Loudness Tool<\/title>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/lamejs@1.2.0\/lame.min.js\"><\/script>\n\n<style>\n *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}\n\n :root{\n --bg:#fafafa;\n --surface:#fff;\n --fg:#111;\n --muted:#6b7280;\n --dim:#9ca3af;\n --border:#e5e7eb;\n --border-2:#d1d5db;\n --brand:#4D00F2;\n --brand-soft:rgba(77,0,242,.07);\n --brand-mid:rgba(77,0,242,.14);\n --green:#059669;\n --green-bg:#ecfdf5;\n --red:#dc2626;\n --red-bg:#fef2f2;\n --orange:#d97706;\n --orange-bg:#fffbeb;\n --blue:#2563eb;\n --blue-bg:#eff6ff;\n --radius:10px;\n --font:system-ui, Arial, sans-serif;\n --mono:ui-monospace, 'SF Mono', 'Consolas', monospace;\n }\n\n body{\n font-family:var(--font);\n background:var(--bg);\n color:var(--fg);\n line-height:1.5;\n -webkit-font-smoothing:antialiased;\n }\n\n #app{\n max-width:680px;\n margin:0 auto;\n padding:32px 24px 32px;\n border:1px solid var(--border);\n border-radius:14px;\n background:var(--surface);\n box-shadow:0 1px 3px rgba(0,0,0,.04);\n }\n\n \/* \u2500\u2500 Header \u2500\u2500 *\/\n .header{\n margin-bottom:36px;\n }\n .header h1{\n font-size:22px;\n font-weight:700;\n letter-spacing:-.02em;\n color:var(--fg);\n }\n .header p{\n font-size:14px;\n color:var(--muted);\n margin-top:4px;\n }\n\n \/* \u2500\u2500 Section \u2500\u2500 *\/\n .section{\n margin-bottom:24px;\n }\n .section-head{\n display:flex;\n align-items:center;\n gap:10px;\n margin-bottom:10px;\n }\n .section-num{\n width:24px;height:24px;\n border-radius:50%;\n background:var(--brand);\n color:#fff;\n font-size:12px;\n font-weight:700;\n display:flex;align-items:center;justify-content:center;\n flex-shrink:0;\n }\n .section-num.done{background:var(--green)}\n .section-title{\n font-size:15px;\n font-weight:650;\n }\n .section-status{\n margin-left:auto;\n font-size:12px;\n font-weight:600;\n color:var(--muted);\n white-space:nowrap;\n display:flex;\n align-items:center;\n gap:6px;\n }\n .section-status.active{color:var(--blue)}\n .section-status.active::before{\n content:'';\n display:inline-block;\n width:7px;height:7px;\n border-radius:50%;\n background:var(--blue);\n animation:pulse 1.2s ease-in-out infinite;\n flex-shrink:0;\n }\n @keyframes pulse{\n 0%,100%{opacity:1;transform:scale(1)}\n 50%{opacity:.35;transform:scale(.75)}\n }\n .section-status.ok{color:var(--green)}\n .section-status.err{color:var(--red)}\n\n .section-body{\n margin-left:34px;\n }\n .section-body.disabled{\n opacity:.45;\n pointer-events:none;\n user-select:none;\n }\n\n \/* \u2500\u2500 Drop Zone \u2500\u2500 *\/\n .dropzone{\n border:1.5px dashed var(--border-2);\n border-radius:var(--radius);\n padding:28px 20px;\n text-align:center;\n cursor:pointer;\n transition:border-color .15s,background .15s;\n position:relative;\n background:var(--surface);\n }\n .dropzone:hover,.dropzone.drag{\n border-color:var(--brand);\n background:var(--brand-soft);\n }\n .dropzone input[type=file]{\n position:absolute;inset:0;opacity:0;cursor:pointer;\n }\n .drop-label{\n font-size:14px;\n color:var(--muted);\n font-weight:500;\n }\n .drop-label strong{color:var(--brand);font-weight:650}\n\n .file-pill{\n display:inline-flex;\n align-items:center;\n gap:8px;\n background:var(--surface);\n border:1px solid var(--border);\n border-radius:12px;\n padding:8px 12px;\n font-size:13px;\n font-weight:600;\n margin-top:8px;\n max-width:100%;\n word-break:break-all;\n }\n .file-pill .fname{\n min-width:0;\n overflow-wrap:break-word;\n }\n .file-pill .x{\n width:22px;height:22px;\n min-width:22px;min-height:22px;\n border-radius:50%;\n border:none;\n background:var(--brand-soft);\n color:var(--brand);\n font-size:14px;\n font-weight:700;\n cursor:pointer;\n display:flex;align-items:center;justify-content:center;\n line-height:1;\n padding:0;\n }\n .file-pill .x:hover{background:var(--brand-mid)}\n\n \/* \u2500\u2500 Buttons \u2500\u2500 *\/\n .btn{\n display:inline-flex;align-items:center;justify-content:center;gap:6px;\n border:1px solid var(--border);\n padding:9px 18px;\n font-size:14px;font-weight:650;\n border-radius:8px;\n cursor:pointer;\n background:var(--surface);\n color:var(--fg);\n font-family:var(--font);\n transition:all .12s ease;\n }\n .btn:hover{border-color:var(--border-2);background:#f9fafb}\n .btn:active{transform:scale(.98)}\n .btn:disabled{opacity:.4;cursor:not-allowed;transform:none}\n .btn.primary{\n background:var(--brand);\n color:#fff;\n border-color:var(--brand);\n }\n .btn.primary:hover{background:#4000d6}\n .btn.primary:disabled{background:var(--brand);opacity:.4}\n .btn.download{\n background:var(--green);\n color:#fff;\n border-color:var(--green);\n }\n .btn.download:hover{background:#047857;border-color:#047857}\n .btn.sm{padding:7px 14px;font-size:13px;border-radius:7px}\n\n \/* \u2500\u2500 Progress \u2500\u2500 *\/\n .progress-row{\n display:flex;align-items:center;gap:10px;\n margin-top:10px;\n }\n .progress-track{\n flex:1;height:4px;\n background:var(--border);\n border-radius:99px;\n overflow:hidden;\n }\n .progress-fill{\n height:100%;width:0%;\n background:var(--brand);\n border-radius:99px;\n transition:width .2s ease;\n }\n .progress-label{\n font-size:12px;\n font-family:var(--mono);\n color:var(--muted);\n min-width:36px;\n text-align:right;\n }\n .progress-note{\n font-size:12px;\n color:var(--muted);\n margin-top:4px;\n }\n\n \/* \u2500\u2500 Results Card \u2500\u2500 *\/\n .result-grid{\n display:grid;\n grid-template-columns:repeat(3,1fr);\n gap:1px;\n background:var(--border);\n border:1px solid var(--border);\n border-radius:var(--radius);\n overflow:hidden;\n margin-top:12px;\n }\n @media(max-width:520px){\n .result-grid{grid-template-columns:1fr}\n }\n .result-cell{\n background:var(--surface);\n padding:14px 16px;\n }\n .result-cell label{\n font-size:11px;\n font-weight:600;\n color:var(--dim);\n text-transform:uppercase;\n letter-spacing:.04em;\n display:block;\n margin-bottom:4px;\n }\n .result-cell .val{\n font-size:20px;\n font-weight:700;\n font-family:var(--mono);\n letter-spacing:-.02em;\n }\n\n \/* \u2500\u2500 Platform List \u2500\u2500 *\/\n .plat-section{margin-top:16px}\n .plat-label{\n font-size:13px;\n font-weight:650;\n color:var(--muted);\n line-height:20px;\n }\n\n .plat-list{\n border:1px solid var(--border);\n border-radius:var(--radius);\n overflow:visible;\n background:var(--surface);\n }\n .plat-row{\n display:flex;\n align-items:center;\n gap:10px;\n padding:10px 14px;\n font-size:13px;\n border-bottom:1px solid var(--border);\n background:var(--surface);\n position:relative;\n }\n .plat-row:first-child{border-radius:var(--radius) var(--radius) 0 0}\n .plat-row:last-child{border-bottom:none;border-radius:0 0 var(--radius) var(--radius)}\n .plat-row:only-child{border-radius:var(--radius)}\n .plat-icon{\n width:8px;height:8px;\n border-radius:50%;\n flex-shrink:0;\n }\n .plat-icon.ok{background:var(--green)}\n .plat-icon.down{background:var(--orange)}\n .plat-icon.warn{background:var(--red)}\n .plat-icon.up{background:var(--blue)}\n .plat-name{font-weight:600;min-width:120px}\n .plat-info{color:var(--muted);flex:1}\n .plat-tag{\n font-size:11px;\n font-weight:600;\n padding:2px 8px;\n border-radius:999px;\n white-space:nowrap;\n position:relative;\n cursor:help;\n }\n .plat-tag.ok{background:var(--green-bg);color:var(--green)}\n .plat-tag.down{background:var(--orange-bg);color:var(--orange)}\n .plat-tag.warn{background:var(--red-bg);color:var(--red)}\n .plat-tag.up{background:var(--blue-bg);color:var(--blue)}\n\n .plat-tag .tag-tip{\n display:none;\n position:absolute;\n bottom:calc(100% + 6px);\n right:0;\n width:220px;\n background:var(--fg);\n color:#fff;\n font-size:11px;\n font-weight:400;\n line-height:1.45;\n padding:8px 10px;\n border-radius:7px;\n z-index:80;\n pointer-events:none;\n white-space:normal;\n }\n .plat-tag .tag-tip::after{\n content:'';\n position:absolute;\n top:100%;\n right:12px;\n border:5px solid transparent;\n border-top-color:var(--fg);\n }\n .plat-tag:hover .tag-tip{display:block}\n @media(max-width:520px){\n .plat-tag .tag-tip{right:-4px;width:200px}\n }\n\n \/* \u2500\u2500 Info Popover \u2500\u2500 *\/\n .plat-header{\n display:flex;\n align-items:center;\n gap:6px;\n margin-bottom:8px;\n line-height:1;\n }\n .info-trigger{\n position:relative;\n display:inline-flex;\n align-items:center;\n justify-content:center;\n width:20px;height:20px;\n min-width:20px;min-height:20px;\n max-width:20px;max-height:20px;\n border-radius:50% !important;\n border:1.5px solid var(--border-2) !important;\n background:var(--surface) !important;\n color:var(--muted);\n font-size:12px;\n font-weight:600;\n cursor:help;\n padding:0 !important;\n margin:0;\n font-family:var(--font);\n line-height:1;\n flex-shrink:0;\n overflow:visible;\n box-sizing:border-box;\n -webkit-appearance:none;\n appearance:none;\n -webkit-tap-highlight-color:transparent;\n }\n .info-trigger:hover{border-color:var(--brand) !important;color:var(--brand)}\n .info-pop{\n display:none;\n position:absolute;\n bottom:calc(100% + 8px);\n left:50%;\n transform:translateX(-50%);\n width:280px;\n background:var(--surface);\n border:1px solid var(--border);\n border-radius:10px;\n box-shadow:0 8px 24px rgba(0,0,0,.1);\n padding:14px;\n z-index:100;\n font-size:12px;\n font-weight:400;\n color:var(--fg);\n line-height:1.5;\n text-align:left;\n cursor:default;\n }\n @media(max-width:520px){\n .info-pop{\n left:auto;right:-10px;\n transform:none;\n }\n .info-pop::after{left:auto;right:16px;transform:none}\n }\n .info-pop::after{\n content:'';\n position:absolute;\n top:100%;\n left:50%;\n transform:translateX(-50%);\n border:6px solid transparent;\n border-top-color:var(--border);\n }\n .info-trigger:hover .info-pop,\n .info-trigger.open .info-pop{\n display:block;\n }\n .info-pop dt{font-weight:700;margin-top:8px}\n .info-pop dt:first-child{margin-top:0}\n .info-pop dd{margin:2px 0 0;color:var(--muted)}\n .info-pop .dot-i{\n display:inline-block;\n width:7px;height:7px;\n border-radius:50%;\n margin-right:4px;\n vertical-align:middle;\n }\n .info-pop .dot-i.c-green{background:var(--green)}\n .info-pop .dot-i.c-orange{background:var(--orange)}\n .info-pop .dot-i.c-blue{background:var(--blue)}\n .info-pop .dot-i.c-red{background:var(--red)}\n\n \/* \u2500\u2500 Controls \u2500\u2500 *\/\n .control-row{\n display:flex;\n flex-wrap:wrap;\n gap:10px;\n align-items:flex-end;\n }\n .field{display:flex;flex-direction:column;gap:4px}\n .field label{\n font-size:12px;\n font-weight:600;\n color:var(--muted);\n }\n .field select,.field input[type=number]{\n -webkit-appearance:none;appearance:none;\n font-family:var(--font);\n font-size:14px;\n padding:8px 12px;\n border:1px solid var(--border);\n border-radius:8px;\n background:var(--surface);\n color:var(--fg);\n outline:none;\n min-width:0;\n }\n .field select:focus,.field input:focus{\n border-color:var(--brand);\n box-shadow:0 0 0 3px var(--brand-soft);\n }\n\n .advanced-toggle{\n font-size:12px;\n color:var(--muted);\n background:none;\n border:none;\n cursor:pointer;\n font-family:var(--font);\n font-weight:600;\n padding:4px 0;\n margin-top:6px;\n outline:none;\n -webkit-tap-highlight-color:transparent;\n text-decoration:none;\n }\n .advanced-toggle:hover,\n .advanced-toggle:focus,\n .advanced-toggle:active{\n color:var(--muted);\n background:none;\n border:none;\n outline:none;\n text-decoration:none;\n transform:none;\n }\n .advanced-fields{\n margin-top:8px;\n padding-top:8px;\n border-top:1px solid var(--border);\n }\n\n \/* \u2500\u2500 Norm result \u2500\u2500 *\/\n .norm-result{\n margin-top:12px;\n padding:12px 16px;\n border-radius:var(--radius);\n border:1px solid var(--border);\n background:var(--surface);\n display:flex;\n align-items:center;\n flex-wrap:wrap;\n gap:16px;\n }\n .norm-stat{\n font-size:13px;\n }\n .norm-stat .lbl{color:var(--muted);font-weight:500}\n .norm-stat .v{font-weight:700;font-family:var(--mono)}\n\n .hidden{display:none!important}\n<\/style>\n<\/head>\n<body>\n<div id=\"app\">\n\n <div class=\"header\">\n <h1>Loudness Tool<\/h1>\n <p>Analyze and normalize your audio files. Everything runs locally in your browser.<\/p>\n <\/div>\n\n \n <div class=\"section\" id=\"s1\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num1\">1<\/div>\n <div class=\"section-title\">Choose file<\/div>\n <div class=\"section-status\" id=\"st1\"><\/div>\n <\/div>\n <div class=\"section-body\" id=\"b1\">\n <div class=\"dropzone\" id=\"dropzone\">\n <div class=\"drop-label\">Drop a file here or <strong>browse<\/strong><\/div>\n <input type=\"file\" id=\"fileInput\" accept=\"audio\/*\">\n <\/div>\n <div id=\"filePill\" class=\"hidden\">\n <div class=\"file-pill\">\n <span class=\"fname\" id=\"fileName\"><\/span>\n <button class=\"x\" id=\"clearBtn\" title=\"Remove\">\u00d7<\/button>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"section\" id=\"s2\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num2\">2<\/div>\n <div class=\"section-title\">Analyze<\/div>\n <div class=\"section-status\" id=\"st2\"><\/div>\n <\/div>\n <div class=\"section-body disabled\" id=\"b2\">\n <div class=\"hint\" id=\"anHint\" style=\"font-size:13px;color:var(--muted);margin-bottom:8px\">Starts automatically after file selection.<\/div>\n\n <div id=\"anResult\" class=\"hidden\">\n <div class=\"result-grid\">\n <div class=\"result-cell\">\n <label>Integrated<\/label>\n <div class=\"val\" id=\"outLUFS\">\u2014<\/div>\n <\/div>\n <div class=\"result-cell\">\n <label>Range<\/label>\n <div class=\"val\" id=\"outLRA\">\u2014<\/div>\n <\/div>\n <div class=\"result-cell\">\n <label>True Peak<\/label>\n <div class=\"val\" id=\"outSP\">\u2014<\/div>\n <\/div>\n <\/div>\n\n <div class=\"plat-section\">\n <div class=\"plat-header\">\n <span class=\"plat-label\">Platform prediction<\/span>\n <button class=\"info-trigger\" id=\"infoTrigger\" aria-label=\"Explanation\">?\n <div class=\"info-pop\" id=\"infoPop\">\n <dl>\n <dt><span class=\"dot-i c-green\"><\/span> match<\/dt>\n <dd>Your file is within the target range. The platform won't change anything.<\/dd>\n <dt><span class=\"dot-i c-orange\"><\/span> quieter<\/dt>\n <dd>Your file is louder than the target. The platform will turn it down during playback.<\/dd>\n <dt><span class=\"dot-i c-blue\"><\/span> louder<\/dt>\n <dd>Your file is quieter than the target. The platform will turn it up during playback.<\/dd>\n <dt><span class=\"dot-i c-red\"><\/span> too quiet<\/dt>\n <dd>This platform only turns down, never up. Your file will stay too quiet \u2014 normalize it first.<\/dd>\n <\/dl>\n <\/div>\n <\/button>\n <\/div>\n <div id=\"platList\"><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"section\" id=\"s3\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num3\">3<\/div>\n <div class=\"section-title\">Normalize<\/div>\n <div class=\"section-status\" id=\"st3\"><\/div>\n <\/div>\n <div class=\"section-body disabled\" id=\"b3\">\n <div class=\"control-row\">\n <div class=\"field\" style=\"flex:1;min-width:180px\">\n <label for=\"preset\">Platform \/ Target<\/label>\n <select id=\"preset\">\n <option value=\"yt\">YouTube: -14 LUFS<\/option>\n <option value=\"yts\">YouTube Shorts: -14 LUFS<\/option>\n <option value=\"ig\">Instagram: -14 LUFS<\/option>\n <option value=\"tt\">TikTok: -14 LUFS<\/option>\n <option value=\"spm\">Spotify Music: -14 LUFS<\/option>\n <option value=\"spp\">Spotify Podcasts: -14 LUFS<\/option>\n <option value=\"ap\">Apple Podcasts: -16 LUFS<\/option>\n <option value=\"am\">Apple Music: -16 LUFS<\/option>\n <option value=\"az\">Amazon Music: -14 LUFS<\/option>\n <option value=\"au\">Audible: -18 LUFS<\/option>\n <option value=\"custom\">Custom value<\/option>\n <\/select>\n <\/div>\n <div class=\"field\" style=\"min-width:100px\">\n <label for=\"outFmt\">Format<\/label>\n <select id=\"outFmt\">\n <option value=\"wav\">WAV<\/option>\n <option value=\"mp3\">MP3 320k<\/option>\n <\/select>\n <\/div>\n <button class=\"btn primary\" id=\"normBtn\" disabled>Normalize<\/button>\n <\/div>\n\n <div id=\"customRow\" class=\"hidden\">\n <div class=\"advanced-fields\">\n <div class=\"control-row\">\n <div class=\"field\">\n <label for=\"customLufs\">Target LUFS<\/label>\n <input id=\"customLufs\" type=\"number\" step=\"0.1\" value=\"-16\" style=\"width:100px\">\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <button class=\"advanced-toggle\" id=\"advToggle\">Limiter settings \u25b8<\/button>\n <div id=\"advFields\" class=\"hidden\">\n <div class=\"advanced-fields\">\n <div class=\"control-row\">\n <div class=\"field\">\n <label for=\"ceiling\">Ceiling (dBTP)<\/label>\n <input id=\"ceiling\" type=\"number\" step=\"0.1\" value=\"-1.0\" style=\"width:100px\">\n <\/div>\n <div class=\"field\">\n <label for=\"lookahead\">Lookahead (ms)<\/label>\n <input id=\"lookahead\" type=\"number\" step=\"0.1\" value=\"10\" style=\"width:100px\">\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <div id=\"normProgress\" class=\"hidden\">\n <div class=\"progress-row\">\n <div class=\"progress-track\"><div class=\"progress-fill\" id=\"normBar\"><\/div><\/div>\n <div class=\"progress-label\" id=\"normPct\">0%<\/div>\n <\/div>\n <div class=\"progress-note\" id=\"normNote\"><\/div>\n <\/div>\n\n <div id=\"normResultArea\" class=\"hidden\">\n <div class=\"norm-result\">\n <div class=\"norm-stat\"><span class=\"lbl\">Result: <\/span><span class=\"v\" id=\"resLUFS\"><\/span><\/div>\n <div class=\"norm-stat\"><span class=\"lbl\">True Peak: <\/span><span class=\"v\" id=\"resSP\"><\/span><\/div>\n <div class=\"norm-stat\"><span class=\"lbl\">Status: <\/span><span class=\"v\" id=\"resStatus\" style=\"color:var(--green)\">\u2713 OK<\/span><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n<\/div>\n\n<script>\n(function(){\n const $ = id => document.getElementById(id);\n\n \/* \u2500\u2500 UI refs \u2500\u2500 *\/\n const ui = {\n dropzone:$('dropzone'), fileInput:$('fileInput'), filePill:$('filePill'),\n fileName:$('fileName'), clearBtn:$('clearBtn'),\n num1:$('num1'), num2:$('num2'), num3:$('num3'),\n st1:$('st1'), st2:$('st2'), st3:$('st3'),\n b2:$('b2'), b3:$('b3'),\n anHint:$('anHint'),\n anResult:$('anResult'), outLUFS:$('outLUFS'), outLRA:$('outLRA'), outSP:$('outSP'),\n platList:$('platList'),\n preset:$('preset'), outFmt:$('outFmt'), customLufs:$('customLufs'),\n customRow:$('customRow'),\n ceiling:$('ceiling'), lookahead:$('lookahead'),\n advToggle:$('advToggle'), advFields:$('advFields'),\n normBtn:$('normBtn'),\n normProgress:$('normProgress'), normBar:$('normBar'), normPct:$('normPct'), normNote:$('normNote'),\n normResultArea:$('normResultArea'),\n resLUFS:$('resLUFS'), resSP:$('resSP'), resStatus:$('resStatus'),\n };\n\n let audioBuf=null, decodedFileName='', lastAnalysis=null, pendingNorm=null, lastDownload=null;\n\n \/* \u2500\u2500 Helpers \u2500\u2500 *\/\n function enable(el,on){ el.classList.toggle('disabled',!on) }\n function show(el,on){ el.classList.toggle('hidden',!on) }\n function markNum(el,done){ el.classList.toggle('done',done) }\n\n \/* \u2500\u2500 Worker \u2500\u2500 *\/\n const workerCode = `\nlet lameOk=false;\ntry{importScripts('https:\/\/cdn.jsdelivr.net\/npm\/lamejs@1.2.0\/lame.min.js');lameOk=typeof lamejs!=='undefined'}catch(e){}\n\nfunction avg(a){if(!a.length)return 0;let s=0;for(let v of a)s+=v;return s\/a.length}\nfunction percentile(a,p){\n if(!a.length)return 0;\n const b=a.slice().sort((x,y)=>x-y);\n const pos=(p\/100)*(b.length-1),lo=Math.floor(pos),hi=Math.ceil(pos);\n if(lo===hi)return b[lo];\n return b[lo]+(b[hi]-b[lo])*(pos-lo);\n}\nfunction biquad(x,b0,b1,b2,a1,a2){\n const o=new Float32Array(x.length);let x1=0,x2=0,y1=0,y2=0;\n for(let i=0;i<x.length;i++){const y=b0*x[i]+b1*x1+b2*x2-a1*y1-a2*y2;o[i]=y;x2=x1;x1=x[i];y2=y1;y1=y}\n return o;\n}\nfunction kWeight48k(ch){\n let s=biquad(ch,1.53512485958697,-2.69169618940638,1.19839281085285,-1.69065929318241,0.73248077421585);\n return biquad(s,1,-2,1,-1.99004745483398,0.99007225036621);\n}\nfunction samplePeakLin(chs){let p=0;for(const d of chs)for(let i=0;i<d.length;i++){const v=Math.abs(d[i]);if(v>p)p=v}return p}\nfunction samplePeakDb(chs){return 20*Math.log10(samplePeakLin(chs)+1e-24)}\n\nconst TP_COEFFS=(function(){\n var N=48,L=4,T=12,mid=(N-1)\/2,ph=[];\n for(var p=0;p<L;p++){\n var c=new Float64Array(T);\n for(var k=0;k<T;k++){\n var n=k*L+p, x=(n-mid)\/L;\n var w=0.5*(1-Math.cos(2*Math.PI*n\/(N-1)));\n var s=Math.abs(x)<1e-12?1.0:Math.sin(Math.PI*x)\/(Math.PI*x);\n c[k]=s*w;\n }\n ph.push(c);\n }\n return ph;\n})();\n\nfunction truePeakLin(chs){\n var peak=0;\n for(var ci=0;ci<chs.length;ci++){\n var ch=chs[ci], len=ch.length;\n for(var n=0;n<len;n++){\n for(var p=0;p<4;p++){\n var c=TP_COEFFS[p], sum=0;\n for(var k=0;k<12;k++){\n var idx=n-k;\n if(idx>=0) sum+=ch[idx]*c[k];\n }\n var v=sum<0?-sum:sum;\n if(v>peak) peak=v;\n }\n }\n }\n return peak;\n}\n\nfunction truePeakDb(chs){return 20*Math.log10(truePeakLin(chs)+1e-24)}\n\nfunction buildPrefix(channels,fs){\n if(fs!==48000)throw new Error('48 kHz expected');\n const ch=channels.length,len=channels[0].length;\n const Gi=new Float64Array(ch);\n for(let c=0;c<ch;c++)Gi[c]=(c===3||c===4)?1.41:1.0;\n const p=new Float64Array(len);\n for(let c=0;c<ch;c++){\n const kw=kWeight48k(channels[c]),g=Gi[c];\n for(let i=0;i<len;i++){const v=kw[i];p[i]+=g*v*v}\n }\n const pref=new Float64Array(len+1);\n let acc=0;pref[0]=0;\n for(let i=0;i<len;i++){acc+=p[i];pref[i+1]=acc}\n return {pref,len};\n}\n\nfunction windowMeans(pref,len,win,hop){\n const out=[];\n for(let s=0;s+win<=len;s+=hop)out.push((pref[s+win]-pref[s])\/win);\n return out;\n}\n\nfunction analyze1770(channels,fs,cached){\n const K=-0.691,ABS=-70;\n const sp=truePeakDb(channels);\n const{pref,len}=cached||buildPrefix(channels,fs);\n const w4=Math.round(.4*fs),h1=Math.round(.1*fs);\n const ms4=windowMeans(pref,len,w4,h1);\n const L4=ms4.map(m=>K+10*Math.log10(m+1e-24));\n const k1=ms4.filter((_,i)=>L4[i]>=ABS);\n const Lg=K+10*Math.log10(avg(k1)+1e-24);\n const rg=Math.max(ABS,Lg-10);\n const k2=ms4.filter((_,i)=>L4[i]>=rg);\n const lufs=K+10*Math.log10(avg(k2)+1e-24);\n const w3=Math.round(3*fs),hL=Math.round(.1*fs);\n const ms3=windowMeans(pref,len,w3,hL);\n const L3=ms3.map(m=>K+10*Math.log10(m+1e-24));\n const gL=Math.max(ABS,lufs-20);\n const sg=[];for(let i=0;i<L3.length;i++)if(L3[i]>=gL)sg.push(L3[i]);\n const lra=sg.length?Math.max(0,percentile(sg,95)-percentile(sg,10)):0;\n return {lufs,lra,sp};\n}\n\nfunction limiterFast(channels,fs,ceilDb,lookMs,atkMs,relMs){\n const ch=channels.length,len=channels[0].length;\n const look=Math.max(1,Math.round(lookMs*fs\/1000));\n const atk=Math.max(1,Math.round(atkMs*fs\/1000));\n const rel=Math.max(1,Math.round(relMs*fs\/1000));\n const ceilLin=Math.pow(10,ceilDb\/20);\n const det=new Float32Array(len);\n for(let i=0;i<len;i++){let p=0;for(let c=0;c<ch;c++){const v=Math.abs(channels[c][i]);if(v>p)p=v}det[i]=p}\n const winMax=new Float32Array(len);\n const dq=new Int32Array(look+2);\n let dqH=0,dqT=0;\n for(let i=0;i<len;i++){\n while(dqH<dqT && dq[dqH%dq.length]<i)dqH++;\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i; dqT++;\n }\n dqH=0;dqT=0;\n for(let i=0;i<Math.min(look,len);i++){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i;dqT++;\n }\n for(let n=0;n<len;n++){\n const newIdx=n+look-1;\n if(newIdx<len && newIdx>=look-1){\n if(newIdx>=look){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[newIdx])dqT--;\n dq[dqT%dq.length]=newIdx;dqT++;\n }\n }\n while(dqH<dqT && dq[dqH%dq.length]<n)dqH++;\n winMax[n]=(dqH<dqT)?det[dq[dqH%dq.length]]:0;\n }\n const env=new Float32Array(len);\n let g=1;\n for(let n=0;n<len;n++){\n const need=winMax[n]>0?Math.min(1,ceilLin\/winMax[n]):1;\n if(need<g){g*=Math.pow(need\/g,1\/atk)}\n else{g*=Math.pow(need\/g,1\/rel);if(g>1)g=1}\n env[n]=g;\n }\n const out=channels.map(()=>new Float32Array(len));\n for(let c=0;c<ch;c++){\n const src=channels[c],dst=out[c];\n for(let i=0;i<len;i++){\n const j=i-look;\n dst[i]=(j>=0?src[j]:0)*env[i];\n }\n }\n return out;\n}\n\nfunction applyGain(chs,g){return chs.map(ch=>{const o=new Float32Array(ch.length);for(let i=0;i<ch.length;i++)o[i]=ch[i]*g;return o})}\n\nfunction limiterTruePeak(channels,fs,ceilDb){\n const ch=channels.length,len=channels[0].length;\n const look=Math.max(1,Math.round(0.002*fs));\n const atk=1;\n const rel=Math.max(1,Math.round(0.05*fs));\n const ceilLin=Math.pow(10,(ceilDb-0.05)\/20);\n const det=new Float32Array(len);\n for(var n=0;n<len;n++){\n var maxTP=0;\n for(var c=0;c<ch;c++){\n for(var p=0;p<4;p++){\n var coefs=TP_COEFFS[p],sum=0;\n for(var k=0;k<12;k++){\n var idx=n-k;\n if(idx>=0) sum+=channels[c][idx]*coefs[k];\n }\n var v=sum<0?-sum:sum;\n if(v>maxTP) maxTP=v;\n }\n }\n det[n]=maxTP;\n }\n const winMax=new Float32Array(len);\n const dq=new Int32Array(look+2);\n let dqH=0,dqT=0;\n for(let i=0;i<Math.min(look,len);i++){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i;dqT++;\n }\n for(let n=0;n<len;n++){\n const newIdx=n+look-1;\n if(newIdx<len && newIdx>=look){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[newIdx])dqT--;\n dq[dqT%dq.length]=newIdx;dqT++;\n }\n while(dqH<dqT && dq[dqH%dq.length]<n)dqH++;\n winMax[n]=(dqH<dqT)?det[dq[dqH%dq.length]]:0;\n }\n const env=new Float32Array(len);\n let g=1;\n for(let n=0;n<len;n++){\n const need=winMax[n]>0?Math.min(1,ceilLin\/winMax[n]):1;\n if(need<g){g*=Math.pow(need\/g,1\/atk)}\n else{g*=Math.pow(need\/g,1\/rel);if(g>1)g=1}\n env[n]=g;\n }\n const out=channels.map(()=>new Float32Array(len));\n for(let c=0;c<ch;c++){\n const src=channels[c],dst=out[c];\n for(let i=0;i<len;i++){\n const j=i-look;\n dst[i]=(j>=0?src[j]:0)*env[i];\n }\n }\n return out;\n}\n\nfunction encodeWav(chs,sr){\n const ch=chs.length,len=chs[0].length;\n const inter=new Float32Array(len*ch);\n for(let i=0;i<len;i++)for(let c=0;c<ch;c++)inter[i*ch+c]=chs[c][i];\n const bps=2,ba=ch*bps,ds=inter.length*bps;\n const dv=new DataView(new ArrayBuffer(44+ds));\n const w=(o,s)=>{for(let i=0;i<s.length;i++)dv.setUint8(o+i,s.charCodeAt(i))};\n w(0,'RIFF');dv.setUint32(4,36+ds,true);w(8,'WAVE');w(12,'fmt ');dv.setUint32(16,16,true);\n dv.setUint16(20,1,true);dv.setUint16(22,ch,true);dv.setUint32(24,sr,true);\n dv.setUint32(28,sr*ba,true);dv.setUint16(32,ba,true);dv.setUint16(34,16,true);\n w(36,'data');dv.setUint32(40,ds,true);\n let off=44;\n for(let i=0;i<inter.length;i++,off+=2){let s=Math.max(-1,Math.min(1,inter[i]));dv.setInt16(off,s<0?s*0x8000:s*0x7FFF,true)}\n return new Blob([dv],{type:'audio\/wav'});\n}\n\nfunction encodeMp3(chs,sr){\n if(!lameOk)throw new Error('MP3 encoder not available');\n const ch=chs.length,len=chs[0].length;\n const enc=new lamejs.Mp3Encoder(ch,sr,320);\n const f2i=f=>{const o=new Int16Array(f.length);for(let i=0;i<f.length;i++){let s=Math.max(-1,Math.min(1,f[i]));o[i]=s<0?s*0x8000:s*0x7FFF}return o};\n const out=[],chunk=1152;let last=0;\n for(let i=0;i<len;i+=chunk){\n const e=Math.min(len,i+chunk),L=f2i(chs[0].subarray(i,e));\n let buf;\n if(ch===2){buf=enc.encodeBuffer(L,f2i(chs[1].subarray(i,e)))}else{buf=enc.encodeBuffer(L)}\n if(buf.length>0)out.push(buf);\n const pct=Math.round((i\/len)*100);\n if(pct-last>=5){last=pct;postMessage({type:'encProgress',pct:90+Math.round(pct*.1),note:'Encoding MP3'})}\n }\n const end=enc.flush();if(end.length>0)out.push(end);\n return new Blob(out,{type:'audio\/mpeg'});\n}\n\nonmessage=e=>{\n const msg=e.data;\n try{\n if(msg.type==='analyze'){\n const fs=msg.meta.sampleRate;\n const chs=msg.meta.channels.map(b=>new Float32Array(b));\n const res=analyze1770(chs,fs);\n postMessage({type:'anDone',data:res});\n }\n\n if(msg.type==='normalize'){\n const fs=msg.meta.sampleRate;\n const target=msg.meta.targetLUFS;\n const ceilTP=msg.meta.ceilingDbtp;\n const lookMs=msg.meta.lookMs;\n let work=msg.meta.channels.map(b=>new Float32Array(b));\n\n const softCeil=ceilTP;\n const softCeilLin=Math.pow(10,softCeil\/20);\n const maxIter=10,tol=0.02;\n\n for(let iter=0;iter<maxIter;iter++){\n const pct=10+Math.round((iter\/maxIter)*65);\n postMessage({type:'progress',phase:'norm',pct,note:'Adjusting loudness'});\n const a=analyze1770(work,fs);\n const err=target-a.lufs;\n if(Math.abs(err)<=tol)break;\n const g=Math.pow(10,err\/20);\n work=applyGain(work,g);\n if(samplePeakLin(work)>softCeilLin){\n work=limiterFast(work,fs,softCeil,lookMs,1,120);\n }\n }\n\n postMessage({type:'progress',phase:'norm',pct:80,note:'True peak brickwall limiter'});\n work=limiterTruePeak(work,fs,ceilTP);\n\n postMessage({type:'progress',phase:'norm',pct:88,note:'Measuring result'});\n const fin=analyze1770(work,fs);\n postMessage({type:'progress',phase:'norm',pct:90});\n postMessage({type:'normReady',data:{lufs:fin.lufs,lra:fin.lra,sp:fin.sp,sampleRate:fs,channels:work}});\n }\n\n if(msg.type==='encode'){\n const fs=msg.meta.sampleRate,fmt=msg.meta.fmt;\n const chs=msg.meta.channels.map(b=>new Float32Array(b));\n if(fmt==='wav'){\n postMessage({type:'encProgress',pct:95,note:'Creating WAV'});\n const blob=encodeWav(chs,fs);\n postMessage({type:'encDone',ext:'wav',blob});\n }else{\n const blob=encodeMp3(chs,fs);\n postMessage({type:'encDone',ext:'mp3',blob});\n }\n }\n }catch(err){\n postMessage({type:'error',message:err&&err.message?err.message:String(err)});\n }\n};\n`;\n\n const worker = new Worker(URL.createObjectURL(new Blob([workerCode],{type:'application\/javascript'})));\n\n \/* \u2500\u2500 File handling \u2500\u2500 *\/\n ui.dropzone.addEventListener('dragover',e=>{e.preventDefault();ui.dropzone.classList.add('drag')});\n ui.dropzone.addEventListener('dragleave',()=>ui.dropzone.classList.remove('drag'));\n ui.dropzone.addEventListener('drop',e=>{\n e.preventDefault();ui.dropzone.classList.remove('drag');\n if(e.dataTransfer.files[0])loadFile(e.dataTransfer.files[0]);\n });\n ui.fileInput.addEventListener('change',()=>{if(ui.fileInput.files[0])loadFile(ui.fileInput.files[0])});\n ui.clearBtn.addEventListener('click',resetAll);\n\n async function loadFile(file){\n resetResults();\n ui.st1.textContent='Loading \u2026';ui.st1.className='section-status active';\n decodedFileName=file.name.replace(\/\\.[a-z0-9]+$\/i,'');\n try{\n const ab=await file.arrayBuffer();\n const ctx=new(window.AudioContext||window.webkitAudioContext)({sampleRate:48000});\n audioBuf=await ctx.decodeAudioData(ab.slice(0));\n ctx.close();\n ui.st1.textContent='Loaded';ui.st1.className='section-status ok';\n markNum(ui.num1,true);\n show(ui.dropzone,false);\n show(ui.filePill,true);\n ui.fileName.textContent=file.name;\n enable(ui.b2,true);\n ui.st2.textContent='';ui.st2.className='section-status';\n startAnalysis();\n }catch(err){\n console.error(err);\n ui.st1.textContent='Error';ui.st1.className='section-status err';\n audioBuf=null;\n }\n }\n\n function resetAll(){\n audioBuf=null;lastAnalysis=null;decodedFileName='';pendingNorm=null;\n ui.fileInput.value='';\n show(ui.dropzone,true);show(ui.filePill,false);\n show(ui.anHint,true);\n ui.st1.textContent='';ui.st1.className='section-status';\n markNum(ui.num1,false);markNum(ui.num2,false);markNum(ui.num3,false);\n enable(ui.b2,false);enable(ui.b3,false);\n resetResults();\n }\n\n function resetResults(){\n lastAnalysis=null;\n lastDownload=null;\n show(ui.anResult,false);\n show(ui.normProgress,false);show(ui.normResultArea,false);\n ui.normBar.style.width='0%';ui.normPct.textContent='0%';\n ui.normNote.textContent='';\n ui.st2.textContent='';ui.st2.className='section-status';\n ui.st3.textContent='';ui.st3.className='section-status';\n setNormBtnNormalize();\n ui.normBtn.disabled=true;\n enable(ui.b3,false);\n markNum(ui.num2,false);markNum(ui.num3,false);\n }\n\n \/* \u2500\u2500 Analyze \u2500\u2500 *\/\n function startAnalysis(){\n if(!audioBuf)return;\n resetResults();\n show(ui.anHint,false);\n enable(ui.b2,true);\n ui.st2.textContent='Running \u2026';ui.st2.className='section-status active';\n const chs=[];\n for(let c=0;c<audioBuf.numberOfChannels;c++)chs.push(audioBuf.getChannelData(c).slice(0).buffer);\n worker.postMessage({type:'analyze',meta:{channels:chs,sampleRate:audioBuf.sampleRate}});\n }\n\n \/* \u2500\u2500 Info popover (mobile: click) \u2500\u2500 *\/\n const infoTrigger=$('infoTrigger');\n infoTrigger.addEventListener('click',function(e){\n e.preventDefault();e.stopPropagation();\n this.classList.toggle('open');\n });\n document.addEventListener('click',function(e){\n if(!infoTrigger.contains(e.target))infoTrigger.classList.remove('open');\n });\n\n \/* \u2500\u2500 Preset \u2500\u2500 *\/\n function presetLUFS(v){\n const m={yt:-14,yts:-14,ig:-14,tt:-14,spm:-14,spp:-14,ap:-16,am:-16,az:-14,au:-18};\n return m[v]||NaN;\n }\n function targetLUFS(){\n return ui.preset.value==='custom'?parseFloat(ui.customLufs.value):presetLUFS(ui.preset.value);\n }\n ui.preset.addEventListener('change',()=>{\n show(ui.customRow,ui.preset.value==='custom');\n if(lastAnalysis)ui.normBtn.disabled=false;\n if(lastDownload)setNormBtnNormalize();\n });\n ui.outFmt.addEventListener('change',()=>{\n if(lastDownload)setNormBtnNormalize();\n });\n\n \/* \u2500\u2500 Advanced toggle \u2500\u2500 *\/\n ui.advToggle.addEventListener('click',()=>{\n const open=ui.advFields.classList.contains('hidden');\n show(ui.advFields,open);\n ui.advToggle.textContent=open?'Limiter settings \\u25BE':'Limiter settings \\u25B8';\n });\n\n \/* \u2500\u2500 Normalize \/ Download button \u2500\u2500 *\/\n function setNormBtnDownload(url,filename,ext){\n lastDownload={url,filename};\n ui.normBtn.textContent='Download '+ext.toUpperCase();\n ui.normBtn.classList.remove('primary');\n ui.normBtn.classList.add('download');\n ui.normBtn.disabled=false;\n }\n function setNormBtnNormalize(){\n lastDownload=null;\n ui.normBtn.textContent='Normalize';\n ui.normBtn.classList.remove('download');\n ui.normBtn.classList.add('primary');\n }\n\n ui.normBtn.addEventListener('click',()=>{\n \/* Download mode *\/\n if(lastDownload){\n const a=document.createElement('a');\n a.href=lastDownload.url;\n a.download=lastDownload.filename;\n a.click();\n return;\n }\n \/* Normalize mode *\/\n if(!audioBuf||!lastAnalysis)return;\n ui.normBtn.disabled=true;\n show(ui.normProgress,true);show(ui.normResultArea,false);\n ui.normBar.style.width='0%';ui.normPct.textContent='0%';\n ui.st3.textContent='Running \u2026';ui.st3.className='section-status active';\n\n const fmt=ui.outFmt.value;\n const baseCeil=parseFloat(ui.ceiling.value);\n const userCeil=fmt==='mp3'?Math.min(baseCeil,-2):baseCeil;\n\n const chs=[];\n for(let c=0;c<audioBuf.numberOfChannels;c++)chs.push(audioBuf.getChannelData(c).slice(0).buffer);\n worker.postMessage({type:'normalize',meta:{\n channels:chs,sampleRate:audioBuf.sampleRate,\n targetLUFS:targetLUFS(),ceilingDbtp:userCeil,lookMs:parseFloat(ui.lookahead.value)\n }});\n });\n\n \/* \u2500\u2500 Worker messages \u2500\u2500 *\/\n worker.onmessage=e=>{\n const msg=e.data;if(!msg)return;\n\n if(msg.type==='progress'){\n if(msg.phase==='norm'){\n ui.normBar.style.width=msg.pct+'%';ui.normPct.textContent=msg.pct+'%';\n ui.normNote.textContent=msg.note||'';\n }\n }\n\n if(msg.type==='anDone'){\n if(!lastAnalysis){\n lastAnalysis=msg.data;\n ui.outLUFS.textContent=msg.data.lufs.toFixed(1)+' LUFS';\n ui.outLRA.textContent=msg.data.lra.toFixed(1)+' LU';\n ui.outSP.textContent=msg.data.sp.toFixed(1)+' dBTP';\n show(ui.anResult,true);\n ui.st2.textContent='Done';ui.st2.className='section-status ok';\n markNum(ui.num2,true);\n enable(ui.b3,true);\n ui.normBtn.disabled=false;\n buildPlatforms(msg.data.lufs);\n }else{\n ui.resLUFS.textContent=msg.data.lufs.toFixed(1)+' LUFS';\n ui.resSP.textContent=msg.data.sp.toFixed(1)+' dBTP';\n show(ui.normResultArea,true);\n ui.resStatus.textContent='\\u2713 OK';ui.resStatus.style.color='var(--green)';\n ui.st3.textContent='Done';ui.st3.className='section-status ok';\n markNum(ui.num3,true);\n }\n }\n\n if(msg.type==='normReady'){\n ui.normBar.style.width='90%';ui.normPct.textContent='90%';\n ui.normNote.textContent='Creating file';\n pendingNorm={channels:msg.data.channels.map(a=>a.buffer.slice(0)),sampleRate:msg.data.sampleRate};\n worker.postMessage({type:'encode',meta:{channels:pendingNorm.channels,sampleRate:pendingNorm.sampleRate,fmt:ui.outFmt.value}});\n }\n\n if(msg.type==='encProgress'){\n ui.normBar.style.width=msg.pct+'%';ui.normPct.textContent=msg.pct+'%';\n if(msg.note)ui.normNote.textContent=msg.note;\n }\n\n if(msg.type==='encDone'){\n ui.normBar.style.width='100%';ui.normPct.textContent='100%';\n show(ui.normProgress,false);\n const url=URL.createObjectURL(msg.blob);\n const ext=msg.ext||'wav';\n const filename=(decodedFileName||'loudness')+'_normalized.'+ext;\n setNormBtnDownload(url,filename,ext);\n if(pendingNorm)worker.postMessage({type:'analyze',meta:{channels:pendingNorm.channels,sampleRate:pendingNorm.sampleRate}});\n }\n\n if(msg.type==='error'){\n ui.normNote.textContent='Error: '+msg.message;\n ui.st3.textContent='Error';ui.st3.className='section-status err';\n ui.resStatus.textContent='\\u2715 Error';ui.resStatus.style.color='var(--red)';\n show(ui.normResultArea,true);\n }\n };\n\n \/* \u2500\u2500 Platforms \u2500\u2500 *\/\n function buildPlatforms(lufs){\n const targets=[\n {name:'YouTube',t:-14,b:'downOnly'},{name:'YouTube Shorts',t:-14,b:'downOnly'},\n {name:'Instagram',t:-14,b:'range'},{name:'TikTok',t:-14,b:'range'},\n {name:'Spotify Music',t:-14,b:'range'},{name:'Spotify Podcasts',t:-14,b:'range'},\n {name:'Apple Podcasts',t:-16,b:'range'},{name:'Apple Music',t:-16,b:'range'},\n {name:'Amazon Music',t:-14,b:'range'},{name:'Audible',t:-18,b:'range'}\n ];\n const tagTips={\n ok:'Your file is within the platform\\'s target range. Nothing will be changed during playback.',\n down:'Your file is louder than the target. The platform will automatically turn it down during playback.',\n up:'Your file is quieter than the target. The platform will automatically turn it up during playback.',\n warn:'This platform only turns down, never up. Your file will stay too quiet \u2014 normalize it first.'\n };\n const wrap=document.createElement('div');wrap.className='plat-list';\n targets.forEach(p=>{\n const d=p.t-lufs,abs=Math.abs(d).toFixed(1);\n let cls,tag,info;\n if(p.b==='downOnly'){\n if(d<-0.05){cls='down';tag='quieter';info='\\u2212'+abs+' dB adjustment'}\n else if(d>0.05){cls='warn';tag='too quiet';info='+'+abs+' dB missing'}\n else{cls='ok';tag='match';info='Target '+p.t+' LUFS'}\n }else{\n if(d<-0.05){cls='down';tag='quieter';info='\\u2212'+abs+' dB adjustment'}\n else if(d>0.05){cls='up';tag='louder';info='+'+abs+' dB adjustment'}\n else{cls='ok';tag='match';info='Target '+p.t+' LUFS'}\n }\n const row=document.createElement('div');row.className='plat-row';\n row.innerHTML=\n '<div class=\"plat-icon '+cls+'\"><\/div>'+\n '<span class=\"plat-name\">'+p.name+'<\/span>'+\n '<span class=\"plat-info\">'+info+'<\/span>'+\n '<span class=\"plat-tag '+cls+'\">'+tag+'<span class=\"tag-tip\">'+tagTips[cls]+'<\/span><\/span>';\n wrap.appendChild(row);\n });\n ui.platList.innerHTML='';ui.platList.appendChild(wrap);\n }\n})();\n<\/script>\n<\/body>\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70054e92 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"70054e92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-c9654dd elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/author\/fabian-matzen\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"elementor-avatar\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2022\/10\/Fabian-Matzen-soundandgo-about-us-96x96.webp\" alt=\"Picture of Fabian\" loading=\"lazy\" title=\"\">\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t<span class=\"elementor-post-info__item-prefix\">by<\/span>\n\t\t\t\t\t\t\t\t\t\tFabian\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-b8e28dd elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\tlast edited:18.03.2026\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d711205 elementor-widget elementor-widget-n-accordion\" data-id=\"6d711205\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{"default_state":"all_collapsed","max_items_expended":"one","n_accordion_animation_duration":{"unit":"ms","size":400,"sizes":[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1830\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1830\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Troubleshooting <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1830\" class=\"elementor-element elementor-element-6f0fd908 e-con-full e-flex e-con e-child\" data-id=\"6f0fd908\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d5139db elementor-widget elementor-widget-text-editor\" data-id=\"5d5139db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n <li>File is not displayed. Make sure it is a valid audio file and not just a renamed file extension. Supported formats include WAV, MP3, FLAC, AAC, OGG, and M4A.<\/li>\n <li>Multiple files are not accepted. The tool processes one file at a time. If nothing happens, reload the page and try again.<\/li>\n <li>Analysis or normalization does not start. Check whether JavaScript is enabled in your browser. Try using a current browser such as Chrome, Edge, or Safari.<\/li>\n <li>Progress appears to be stuck. All processing runs locally in your browser. For long audio files, this may take some time. Wait until the process is complete.<\/li>\n <li>Processing is complete but download is not working. Check whether your browser is blocking downloads. Disable any popup or download blockers and reload the page.<\/li>\n <li>Very large file. Uncompressed formats like WAV can be very large. For long recordings, normalization may take several minutes. Close other programs to free up memory.<\/li>\n <li>File cannot be decoded. The audio file may be corrupted or contain an unsupported format. Re-export the file as a standard WAV at 16-bit or 24-bit.<\/li>\n <li>Processing stops on mobile devices. The page must remain in the foreground until processing is complete. Switching apps or locking the screen may pause the process.<\/li>\n <li>No download on iPhone or iPad. Long-press the download button and select Save to Files. Downloads may be blocked in private browsing mode.<\/li>\n <li>MP3 output sounds different from WAV. MP3 is a lossy compressed format. For the highest quality, select MP3 320k in the format options.<\/li>\n <li>Browser becomes slow or unresponsive. Large audio files require significant memory. Use a desktop browser for long recordings when possible.<\/li>\n <li>Normalized file does not appear. Reload the page and add the file again. Make sure the file has fully loaded before starting normalization.<\/li>\n<\/ul>\nIf problems persist, try a different up-to-date browser or reduce the file size by splitting the audio into shorter segments.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da2c40b elementor-widget elementor-widget-global elementor-global-17897 elementor-widget-template\" data-id=\"da2c40b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"17894\" class=\"elementor elementor-17894\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1dddbc46 e-flex e-con-boxed e-con e-child\" data-id=\"1dddbc46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e13578b elementor-align-center elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2e13578b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hand-holding-heart\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Use our affiliate links and support our work.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403ca943 elementor-widget elementor-widget-text-editor\" data-id=\"403ca943\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our website is <strong>free of external advertising banners<\/strong> <strong>and fake download buttons<\/strong>. By purchasing from our <strong>affiliate partners<\/strong> <a href=\"https:\/\/amzn.to\/4qKJuU2\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Amazon<\/strong><\/a>* or <a href=\"https:\/\/www.thomannmusic.com\/?offid=1&affid=2950\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Thomann<\/strong><\/a>*, you <strong>don’t pay more<\/strong> and <strong>support us<\/strong> at the same time. Thank you!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37e33623 elementor-widget elementor-widget-text-editor\" data-id=\"37e33623\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Want to <strong>check the loudness of an audio file<\/strong>? And if it’s off, normalize it to the correct level.<br \/>With our <strong>Loudness Analyzer and Normalizer<\/strong> you can do that without any downloads. All processing runs directly in your browser. Your audio data never leaves your device.<\/p>\n<p>Ideal for music productions, podcasts, voice recordings, or broadcast content where you need to adjust loudness.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35c6b5d9 elementor-widget elementor-widget-heading\" data-id=\"35c6b5d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analyzing and Normalizing Loudness: Here's How It Works<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f2ece73 elementor-widget elementor-widget-text-editor\" data-id=\"7f2ece73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur browser-based <b>Loudness Analyzer and Normalizer<\/b> not only analyzes the loudness of your audio file, it can also adjust it directly. <b>This analysis and processing runs without any upload<\/b>. Your data is processed using built-in browser features. No audio information is sent to our server. Your audio data stays on your device at all times. <b>The tool is 100% free<\/b>. There are <b>no upload or conversion limits<\/b>.\nIdeal for music, podcasts, voice recordings, or audio tracks from videos or broadcast content.\n<strong>How our Loudness Analyzer and Normalizer works<\/strong>:\n<ol>\n <li>Select an audio file<\/li>\n <li>The analysis starts automatically<\/li>\n <li>Review the current loudness values<\/li>\n <li>Adjust the loudness if needed.<\/li>\n<\/ol>\n<strong>No registration.<\/strong>\n<strong>No file size limit.<\/strong>\n<strong>No installation.<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-252ffed1 elementor-widget elementor-widget-heading\" data-id=\"252ffed1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Which loudness should you choose?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53a17cf2 elementor-widget elementor-widget-text-editor\" data-id=\"53a17cf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The optimal loudness depends on the use case and platform. Target values for platforms and broadcast are:<\/p>\n<p><strong>YouTube:<\/strong> \u221214 LUFS<\/p>\n<p><strong>YouTube Shorts:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Instagram:<\/strong> \u221214 LUFS<\/p>\n<p><strong>TikTok:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Spotify Music:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Spotify Podcasts:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Apple Music:<\/strong> \u221216 LUFS<\/p>\n<p><strong>Apple Podcasts:<\/strong> \u221216 LUFS<\/p>\n<p><strong>Amazon Music:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Audible:<\/strong> \u221218 LUFS<\/p>\n<p><strong>Broadcast \/ TV per EBU R128:<\/strong> \u221223 LUFS<\/p>\n<p>Streaming platforms frequently normalize audio automatically. If your file is significantly louder or quieter than the target, this can lead to unexpected level changes. Proper normalization ensures consistent loudness.<\/p>\n<p><strong>Note:<\/strong> <strong>YouTube does not normalize audio louder!<\/strong> If your audio is too quiet, YouTube will <strong>not<\/strong> adjust it automatically. If it is too loud, it will be turned down to the target level.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e31c571 elementor-widget elementor-widget-html\" data-id=\"1e31c571\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table lang=\"en\"\n class=\"sag-table lufs-platform-compare\"\n style=\"width:100%; max-width:100%; table-layout:fixed; border-collapse:collapse; font-size:12px;\">\n <colgroup>\n <col style=\"width:33.33%;\">\n <col style=\"width:33.33%;\">\n <col style=\"width:33.33%;\">\n <\/colgroup>\n <thead>\n <tr>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Platform\n <\/th>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Target Loudness\n <\/th>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Typical Use\n <\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">YouTube<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Videos and music content<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">YouTube Shorts<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Short-form videos<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Instagram<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Reels and social media videos<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">TikTok<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Short-form videos and social media content<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Spotify Music<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Spotify Podcasts<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Podcast streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Apple Podcasts<\/th>\n <td>\u221216 LUFS<\/td>\n <td>Podcast platform<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Apple Music<\/th>\n <td>\u221216 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Amazon Music<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Audible<\/th>\n <td>\u221218 LUFS<\/td>\n <td>Audiobooks and spoken word<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d080415 elementor-widget elementor-widget-heading\" data-id=\"d080415\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why you should use our web app for your conversion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e8f747f elementor-widget elementor-widget-text-editor\" data-id=\"1e8f747f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur tool uses modern browser technologies. All processing happens <strong>directly in your browser<\/strong>. This means:\n<ul>\n <li><strong>No upload to external servers<\/strong><\/li>\n <li><strong>No storage of your files<\/strong><\/li>\n <li><strong>No sharing of audio data<\/strong><\/li>\n <li><strong>Full control over your content<\/strong><\/li>\n<\/ul>\nThis is a key advantage, especially for sensitive voice recordings or unreleased music projects.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b3bceac elementor-widget elementor-widget-heading\" data-id=\"3b3bceac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is loudness? And what is the difference to volume?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60f4952 elementor-widget elementor-widget-text-editor\" data-id=\"60f4952\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Volume<\/strong> usually describes the momentary level of a signal, for example in dBFS. It is a purely technical value.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Loudness\" target=\"_blank\" rel=\"noopener\"><strong>Loudness<\/strong><\/a> describes <strong>how loud a signal is perceived<\/strong> over its entire duration.<\/p>\n<p>This is why a file with lower peaks can still sound louder than another. Similarly, some files require volume adjustments because the loudness fluctuates. Commercials often sound louder because their loudness is higher.<\/p>\n<p><strong>Common measurements in loudness analysis<\/strong>:<\/p>\n<p><strong>Integrated LUFS<\/strong><br \/>Average loudness over the entire file.<\/p>\n<p><strong>Short Term LUFS<\/strong><br \/>Loudness over short time windows (3 seconds).<\/p>\n<p><strong>True Peak<\/strong><br \/>Highest actual peak level after D\/A reconstruction.<\/p>\n<p><strong>Loudness Range<\/strong><br \/>A measure of dynamics \u2014 the difference between the loudest and quietest parts of the audio file.<\/p>\n<p>These values help master audio consistently and in line with platform requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bf47351 elementor-widget elementor-widget-heading\" data-id=\"6bf47351\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why loudness normalization is important<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd9f3d8 elementor-widget elementor-widget-text-editor\" data-id=\"dd9f3d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Without loudness normalization, audio content can have widely varying levels. This leads to a poor listening experience.<\/p><p><strong>Common problems:<\/strong><\/p><ul><li>Podcasts are too quiet (e.g. on YouTube)<\/li><li>Processing (e.g. limiting) affects quality and tone<\/li><li>Music is automatically turned down by platforms, which can alter the sound<\/li><li>Voice recordings have significant loudness fluctuations<\/li><\/ul><p>Proper normalization ensures:<\/p><ul><li>Consistent loudness<\/li><li>Better intelligibility<\/li><li>Platform-compliant audio levels<\/li><li>Professional sounding productions<\/li><\/ul><p>Most importantly, it means you can be confident that the platform won’t reprocess your file, and you retain full control over the sound. Every additional processing step means a loss of control.<\/p><p>If your song is too loud, the platform will turn it down and you lose dynamics in your mix. If it’s too quiet, some platforms won’t compensate. On YouTube for example, it simply stays too quiet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58201de elementor-widget elementor-widget-heading\" data-id=\"58201de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Do you need to submit files in other formats?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7968e577 elementor-widget elementor-widget-text-editor\" data-id=\"7968e577\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Then check out our <a href=\"https:\/\/soundandgo.com\/en\/audio-converter\/\"><strong>audio converter<\/strong><\/a>. You can use it to convert many other audio formats. It\u2019s also free, ad-free, and has no data limits.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d6b164c elementor-widget elementor-widget-heading\" data-id=\"6d6b164c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions About the Loudness Analyzer and Normalizer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79aaf1c9 elementor-widget elementor-widget-n-accordion\" data-id=\"79aaf1c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{"default_state":"expanded","max_items_expended":"one","n_accordion_animation_duration":{"unit":"ms","size":400,"sizes":[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2040\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2040\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is LUFS? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2040\" class=\"elementor-element elementor-element-48690cee e-con-full e-flex e-con e-child\" data-id=\"48690cee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-278f7628 elementor-widget elementor-widget-text-editor\" data-id=\"278f7628\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLUFS is a metric for the perceived loudness of an audio signal and is used in modern broadcast and streaming standards.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2041\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2041\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the loudness target for YouTube? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2041\" class=\"elementor-element elementor-element-1360d0fd e-con-full e-flex e-con e-child\" data-id=\"1360d0fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11308b85 elementor-widget elementor-widget-text-editor\" data-id=\"11308b85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>YouTube normalizes audio to \u221214 LUFS. If your audio is significantly louder than that, it will be automatically lowered. If it’s too quiet, YouTube won’t enhance it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2042\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2042\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the loudness target for Social Media? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2042\" class=\"elementor-element elementor-element-582e8917 e-con-full e-flex e-con e-child\" data-id=\"582e8917\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2289564b elementor-widget elementor-widget-text-editor\" data-id=\"2289564b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>All social media platforms typically normalize audio to around \u221214 LUFS. If your audio is significantly louder than that, it will be automatically lowered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2043\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2043\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Will my files be uploaded? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2043\" class=\"elementor-element elementor-element-76da3565 e-con-full e-flex e-con e-child\" data-id=\"76da3565\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4555ea96 elementor-widget elementor-widget-text-editor\" data-id=\"4555ea96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>No. All analysis and processing takes place locally in your browser. Your files never leave your device.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2044\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2044\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Is there a file size limit? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2044\" class=\"elementor-element elementor-element-43851a15 e-con-full e-flex e-con e-child\" data-id=\"43851a15\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3777da elementor-widget elementor-widget-text-editor\" data-id=\"a3777da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Since no servers are involved, there is no traditional upload limit. The maximum file size depends on your device’s capabilities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2045\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2045\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Does the Loudness Analyzer work on smartphones? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2045\" class=\"elementor-element elementor-element-5319be8 e-con-full e-flex e-con e-child\" data-id=\"5319be8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c3e4e7e elementor-widget elementor-widget-text-editor\" data-id=\"2c3e4e7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes. The tool works on modern browsers on Windows, macOS, Linux, iOS, and Android.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2046\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2046\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Does normalization affect audio quality? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2046\" class=\"elementor-element elementor-element-75355901 e-con-full e-flex e-con e-child\" data-id=\"75355901\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20b2c8d2 elementor-widget elementor-widget-text-editor\" data-id=\"20b2c8d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Loudness normalization simply adjusts the volume level. If volume spikes occur during normalization, a limiter kicks in to ensure the target levels are met and prevent clipping. The audio quality is preserved as much as possible. You can adjust the limiter settings<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17ce84cd e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"17ce84cd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"sticky":"top","sticky_parent":"yes","sticky_on":["desktop","tablet","mobile"],"sticky_offset":0,"sticky_effects_offset":0,"sticky_anchor_link_offset":0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2563b4d3 elementor-widget elementor-widget-heading\" data-id=\"2563b4d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">This might be interesting for you:<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<a class=\"elementor-element elementor-element-22785a40 e-con-full e-flex e-con e-child\" data-id=\"22785a40\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"background_background":"classic"}\" href=\"https:\/\/soundandgo.com\/so-findest-du-das-beste-usb-mikrofon-usb-mikrofone\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43bce1f4 elementor-widget elementor-widget-image\" data-id=\"43bce1f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1024x576.webp\" class=\"attachment-large size-large wp-image-13027\" alt=\"\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d977930 elementor-widget elementor-widget-heading\" data-id=\"5d977930\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best USB Microphones<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<a class=\"elementor-element elementor-element-4ccb81c4 e-con-full e-flex e-con e-child\" data-id=\"4ccb81c4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"background_background":"classic"}\" href=\"https:\/\/soundandgo.com\/die-besten-studio-kopfhoerer-vergleich\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20854270 elementor-widget elementor-widget-image\" data-id=\"20854270\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp\" class=\"attachment-large size-large wp-image-9563\" alt=\"The best studio headphones - Studio headphones in comparison\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-600x338.webp 600w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dfbff47 elementor-widget elementor-widget-heading\" data-id=\"2dfbff47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best Studio Headphones<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-653e003 e-flex e-con-boxed e-con e-parent\" data-id=\"653e003\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7aec8c elementor-widget elementor-widget-global elementor-global-11602 elementor-widget-template\" data-id=\"a7aec8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"11596\" class=\"elementor elementor-11596\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31254b35 e-flex e-con-boxed e-con e-parent\" data-id=\"31254b35\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-33380e84 e-flex e-con-boxed e-con e-child\" data-id=\"33380e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570e3785 elementor-widget elementor-widget-text-editor\" data-id=\"570e3785\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Links marked with * are affiliate links. There are no additional costs for you, some of these links are with an automatic discount for you. We mark these links for transparency and would never recommend bad products. Find out more here: <a href=\"https:\/\/soundandgo.com\/en\/our-partners\/\"><b>Our partners<\/b><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-776583f9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"776583f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b86bab7 elementor-widget elementor-widget-heading\" data-id=\"6b86bab7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Our Services<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5282592a e-flex e-con-boxed e-con e-child\" data-id=\"5282592a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6c3c3271 e-con-full e-flex e-con e-child\" data-id=\"6c3c3271\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17964777 elementor-widget elementor-widget-heading\" data-id=\"17964777\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Podcast Intro<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-452e84 e-flex e-con-boxed e-con e-child\" data-id=\"452e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-670e50e2 elementor-widget elementor-widget-heading\" data-id=\"670e50e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-702b69a elementor-widget elementor-widget-image\" data-id=\"702b69a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp\" class=\"attachment-full size-full wp-image-14681\" alt=\"Podcast Intro erstellen - create podcast intro agency podcast intro erstellung\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp 1200w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-300x300.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-1024x1024.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-150x150.webp 150w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-768x768.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7094acf0 elementor-widget elementor-widget-heading\" data-id=\"7094acf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">From 149$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a995fb7 elementor-widget elementor-widget-heading\" data-id=\"a995fb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d906945 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d906945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f5ef12f e-con-full e-flex e-con e-child\" data-id=\"5f5ef12f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6afa204c elementor-widget elementor-widget-heading\" data-id=\"6afa204c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Podcast Editing<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4c91b874 e-flex e-con-boxed e-con e-child\" data-id=\"4c91b874\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22394ba7 elementor-widget elementor-widget-heading\" data-id=\"22394ba7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d6d074e elementor-widget elementor-widget-image\" data-id=\"1d6d074e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2023\/06\/Podcast-schneiden-lassen-Podcast-Schnitt.webp\" title=\"\" alt=\"Podcast schneiden lassen Podcast Schnitt sound and go soundandgo\" loading=\"lazy\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63c3e39b elementor-widget elementor-widget-heading\" data-id=\"63c3e39b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">From 95$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a6e24b2 elementor-widget elementor-widget-heading\" data-id=\"2a6e24b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24e7337c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"24e7337c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home Loudness Analyzer and LUFS Normalizer online 100% Locally in browser No Uploads No Storing No Ads Loudness Tool Loudness Tool Analyze and normalize your audio files. Everything runs locally in your browser. 1 Choose file Drop a file here or browse \u00d7 2 Analyze Starts automatically after file selection. 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[…]<\/p>\n","protected":false},"author":5,"featured_media":18149,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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\n\t\t\t\t

\n\t\t\t\t\t\n\n\n\n\nLoudness Tool<\/title>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/lamejs@1.2.0\/lame.min.js\"><\/script>\n\n<style>\n *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}\n\n :root{\n --bg:#fafafa;\n --surface:#fff;\n --fg:#111;\n --muted:#6b7280;\n --dim:#9ca3af;\n --border:#e5e7eb;\n --border-2:#d1d5db;\n --brand:#4D00F2;\n --brand-soft:rgba(77,0,242,.07);\n --brand-mid:rgba(77,0,242,.14);\n --green:#059669;\n --green-bg:#ecfdf5;\n --red:#dc2626;\n --red-bg:#fef2f2;\n --orange:#d97706;\n --orange-bg:#fffbeb;\n --blue:#2563eb;\n --blue-bg:#eff6ff;\n --radius:10px;\n --font:system-ui, Arial, sans-serif;\n --mono:ui-monospace, 'SF Mono', 'Consolas', monospace;\n }\n\n body{\n font-family:var(--font);\n background:var(--bg);\n color:var(--fg);\n line-height:1.5;\n -webkit-font-smoothing:antialiased;\n }\n\n #app{\n max-width:680px;\n margin:0 auto;\n padding:32px 24px 32px;\n border:1px solid var(--border);\n border-radius:14px;\n background:var(--surface);\n box-shadow:0 1px 3px rgba(0,0,0,.04);\n }\n\n \/* \u2500\u2500 Header \u2500\u2500 *\/\n .header{\n margin-bottom:36px;\n }\n .header h1{\n font-size:22px;\n font-weight:700;\n letter-spacing:-.02em;\n color:var(--fg);\n }\n .header p{\n font-size:14px;\n color:var(--muted);\n margin-top:4px;\n }\n\n \/* \u2500\u2500 Section \u2500\u2500 *\/\n .section{\n margin-bottom:24px;\n }\n .section-head{\n display:flex;\n align-items:center;\n gap:10px;\n margin-bottom:10px;\n }\n .section-num{\n width:24px;height:24px;\n border-radius:50%;\n background:var(--brand);\n color:#fff;\n font-size:12px;\n font-weight:700;\n display:flex;align-items:center;justify-content:center;\n flex-shrink:0;\n }\n .section-num.done{background:var(--green)}\n .section-title{\n font-size:15px;\n font-weight:650;\n }\n .section-status{\n margin-left:auto;\n font-size:12px;\n font-weight:600;\n color:var(--muted);\n white-space:nowrap;\n display:flex;\n align-items:center;\n gap:6px;\n }\n .section-status.active{color:var(--blue)}\n .section-status.active::before{\n content:'';\n display:inline-block;\n width:7px;height:7px;\n border-radius:50%;\n background:var(--blue);\n animation:pulse 1.2s ease-in-out infinite;\n flex-shrink:0;\n }\n @keyframes pulse{\n 0%,100%{opacity:1;transform:scale(1)}\n 50%{opacity:.35;transform:scale(.75)}\n }\n .section-status.ok{color:var(--green)}\n .section-status.err{color:var(--red)}\n\n .section-body{\n margin-left:34px;\n }\n .section-body.disabled{\n opacity:.45;\n pointer-events:none;\n user-select:none;\n }\n\n \/* \u2500\u2500 Drop Zone \u2500\u2500 *\/\n .dropzone{\n border:1.5px dashed var(--border-2);\n border-radius:var(--radius);\n padding:28px 20px;\n text-align:center;\n cursor:pointer;\n transition:border-color .15s,background .15s;\n position:relative;\n background:var(--surface);\n }\n .dropzone:hover,.dropzone.drag{\n border-color:var(--brand);\n background:var(--brand-soft);\n }\n .dropzone input[type=file]{\n position:absolute;inset:0;opacity:0;cursor:pointer;\n }\n .drop-label{\n font-size:14px;\n color:var(--muted);\n font-weight:500;\n }\n .drop-label strong{color:var(--brand);font-weight:650}\n\n .file-pill{\n display:inline-flex;\n align-items:center;\n gap:8px;\n background:var(--surface);\n border:1px solid var(--border);\n border-radius:12px;\n padding:8px 12px;\n font-size:13px;\n font-weight:600;\n margin-top:8px;\n max-width:100%;\n word-break:break-all;\n }\n .file-pill .fname{\n min-width:0;\n overflow-wrap:break-word;\n }\n .file-pill .x{\n width:22px;height:22px;\n min-width:22px;min-height:22px;\n border-radius:50%;\n border:none;\n background:var(--brand-soft);\n color:var(--brand);\n font-size:14px;\n font-weight:700;\n cursor:pointer;\n display:flex;align-items:center;justify-content:center;\n line-height:1;\n padding:0;\n }\n .file-pill .x:hover{background:var(--brand-mid)}\n\n \/* \u2500\u2500 Buttons \u2500\u2500 *\/\n .btn{\n display:inline-flex;align-items:center;justify-content:center;gap:6px;\n border:1px solid var(--border);\n padding:9px 18px;\n font-size:14px;font-weight:650;\n border-radius:8px;\n cursor:pointer;\n background:var(--surface);\n color:var(--fg);\n font-family:var(--font);\n transition:all .12s ease;\n }\n .btn:hover{border-color:var(--border-2);background:#f9fafb}\n .btn:active{transform:scale(.98)}\n .btn:disabled{opacity:.4;cursor:not-allowed;transform:none}\n .btn.primary{\n background:var(--brand);\n color:#fff;\n border-color:var(--brand);\n }\n .btn.primary:hover{background:#4000d6}\n .btn.primary:disabled{background:var(--brand);opacity:.4}\n .btn.download{\n background:var(--green);\n color:#fff;\n border-color:var(--green);\n }\n .btn.download:hover{background:#047857;border-color:#047857}\n .btn.sm{padding:7px 14px;font-size:13px;border-radius:7px}\n\n \/* \u2500\u2500 Progress \u2500\u2500 *\/\n .progress-row{\n display:flex;align-items:center;gap:10px;\n margin-top:10px;\n }\n .progress-track{\n flex:1;height:4px;\n background:var(--border);\n border-radius:99px;\n overflow:hidden;\n }\n .progress-fill{\n height:100%;width:0%;\n background:var(--brand);\n border-radius:99px;\n transition:width .2s ease;\n }\n .progress-label{\n font-size:12px;\n font-family:var(--mono);\n color:var(--muted);\n min-width:36px;\n text-align:right;\n }\n .progress-note{\n font-size:12px;\n color:var(--muted);\n margin-top:4px;\n }\n\n \/* \u2500\u2500 Results Card \u2500\u2500 *\/\n .result-grid{\n display:grid;\n grid-template-columns:repeat(3,1fr);\n gap:1px;\n background:var(--border);\n border:1px solid var(--border);\n border-radius:var(--radius);\n overflow:hidden;\n margin-top:12px;\n }\n @media(max-width:520px){\n .result-grid{grid-template-columns:1fr}\n }\n .result-cell{\n background:var(--surface);\n padding:14px 16px;\n }\n .result-cell label{\n font-size:11px;\n font-weight:600;\n color:var(--dim);\n text-transform:uppercase;\n letter-spacing:.04em;\n display:block;\n margin-bottom:4px;\n }\n .result-cell .val{\n font-size:20px;\n font-weight:700;\n font-family:var(--mono);\n letter-spacing:-.02em;\n }\n\n \/* \u2500\u2500 Platform List \u2500\u2500 *\/\n .plat-section{margin-top:16px}\n .plat-label{\n font-size:13px;\n font-weight:650;\n color:var(--muted);\n line-height:20px;\n }\n\n .plat-list{\n border:1px solid var(--border);\n border-radius:var(--radius);\n overflow:visible;\n background:var(--surface);\n }\n .plat-row{\n display:flex;\n align-items:center;\n gap:10px;\n padding:10px 14px;\n font-size:13px;\n border-bottom:1px solid var(--border);\n background:var(--surface);\n position:relative;\n }\n .plat-row:first-child{border-radius:var(--radius) var(--radius) 0 0}\n .plat-row:last-child{border-bottom:none;border-radius:0 0 var(--radius) var(--radius)}\n .plat-row:only-child{border-radius:var(--radius)}\n .plat-icon{\n width:8px;height:8px;\n border-radius:50%;\n flex-shrink:0;\n }\n .plat-icon.ok{background:var(--green)}\n .plat-icon.down{background:var(--orange)}\n .plat-icon.warn{background:var(--red)}\n .plat-icon.up{background:var(--blue)}\n .plat-name{font-weight:600;min-width:120px}\n .plat-info{color:var(--muted);flex:1}\n .plat-tag{\n font-size:11px;\n font-weight:600;\n padding:2px 8px;\n border-radius:999px;\n white-space:nowrap;\n position:relative;\n cursor:help;\n }\n .plat-tag.ok{background:var(--green-bg);color:var(--green)}\n .plat-tag.down{background:var(--orange-bg);color:var(--orange)}\n .plat-tag.warn{background:var(--red-bg);color:var(--red)}\n .plat-tag.up{background:var(--blue-bg);color:var(--blue)}\n\n .plat-tag .tag-tip{\n display:none;\n position:absolute;\n bottom:calc(100% + 6px);\n right:0;\n width:220px;\n background:var(--fg);\n color:#fff;\n font-size:11px;\n font-weight:400;\n line-height:1.45;\n padding:8px 10px;\n border-radius:7px;\n z-index:80;\n pointer-events:none;\n white-space:normal;\n }\n .plat-tag .tag-tip::after{\n content:'';\n position:absolute;\n top:100%;\n right:12px;\n border:5px solid transparent;\n border-top-color:var(--fg);\n }\n .plat-tag:hover .tag-tip{display:block}\n @media(max-width:520px){\n .plat-tag .tag-tip{right:-4px;width:200px}\n }\n\n \/* \u2500\u2500 Info Popover \u2500\u2500 *\/\n .plat-header{\n display:flex;\n align-items:center;\n gap:6px;\n margin-bottom:8px;\n line-height:1;\n }\n .info-trigger{\n position:relative;\n display:inline-flex;\n align-items:center;\n justify-content:center;\n width:20px;height:20px;\n min-width:20px;min-height:20px;\n max-width:20px;max-height:20px;\n border-radius:50% !important;\n border:1.5px solid var(--border-2) !important;\n background:var(--surface) !important;\n color:var(--muted);\n font-size:12px;\n font-weight:600;\n cursor:help;\n padding:0 !important;\n margin:0;\n font-family:var(--font);\n line-height:1;\n flex-shrink:0;\n overflow:visible;\n box-sizing:border-box;\n -webkit-appearance:none;\n appearance:none;\n -webkit-tap-highlight-color:transparent;\n }\n .info-trigger:hover{border-color:var(--brand) !important;color:var(--brand)}\n .info-pop{\n display:none;\n position:absolute;\n bottom:calc(100% + 8px);\n left:50%;\n transform:translateX(-50%);\n width:280px;\n background:var(--surface);\n border:1px solid var(--border);\n border-radius:10px;\n box-shadow:0 8px 24px rgba(0,0,0,.1);\n padding:14px;\n z-index:100;\n font-size:12px;\n font-weight:400;\n color:var(--fg);\n line-height:1.5;\n text-align:left;\n cursor:default;\n }\n @media(max-width:520px){\n .info-pop{\n left:auto;right:-10px;\n transform:none;\n }\n .info-pop::after{left:auto;right:16px;transform:none}\n }\n .info-pop::after{\n content:'';\n position:absolute;\n top:100%;\n left:50%;\n transform:translateX(-50%);\n border:6px solid transparent;\n border-top-color:var(--border);\n }\n .info-trigger:hover .info-pop,\n .info-trigger.open .info-pop{\n display:block;\n }\n .info-pop dt{font-weight:700;margin-top:8px}\n .info-pop dt:first-child{margin-top:0}\n .info-pop dd{margin:2px 0 0;color:var(--muted)}\n .info-pop .dot-i{\n display:inline-block;\n width:7px;height:7px;\n border-radius:50%;\n margin-right:4px;\n vertical-align:middle;\n }\n .info-pop .dot-i.c-green{background:var(--green)}\n .info-pop .dot-i.c-orange{background:var(--orange)}\n .info-pop .dot-i.c-blue{background:var(--blue)}\n .info-pop .dot-i.c-red{background:var(--red)}\n\n \/* \u2500\u2500 Controls \u2500\u2500 *\/\n .control-row{\n display:flex;\n flex-wrap:wrap;\n gap:10px;\n align-items:flex-end;\n }\n .field{display:flex;flex-direction:column;gap:4px}\n .field label{\n font-size:12px;\n font-weight:600;\n color:var(--muted);\n }\n .field select,.field input[type=number]{\n -webkit-appearance:none;appearance:none;\n font-family:var(--font);\n font-size:14px;\n padding:8px 12px;\n border:1px solid var(--border);\n border-radius:8px;\n background:var(--surface);\n color:var(--fg);\n outline:none;\n min-width:0;\n }\n .field select:focus,.field input:focus{\n border-color:var(--brand);\n box-shadow:0 0 0 3px var(--brand-soft);\n }\n\n .advanced-toggle{\n font-size:12px;\n color:var(--muted);\n background:none;\n border:none;\n cursor:pointer;\n font-family:var(--font);\n font-weight:600;\n padding:4px 0;\n margin-top:6px;\n outline:none;\n -webkit-tap-highlight-color:transparent;\n text-decoration:none;\n }\n .advanced-toggle:hover,\n .advanced-toggle:focus,\n .advanced-toggle:active{\n color:var(--muted);\n background:none;\n border:none;\n outline:none;\n text-decoration:none;\n transform:none;\n }\n .advanced-fields{\n margin-top:8px;\n padding-top:8px;\n border-top:1px solid var(--border);\n }\n\n \/* \u2500\u2500 Norm result \u2500\u2500 *\/\n .norm-result{\n margin-top:12px;\n padding:12px 16px;\n border-radius:var(--radius);\n border:1px solid var(--border);\n background:var(--surface);\n display:flex;\n align-items:center;\n flex-wrap:wrap;\n gap:16px;\n }\n .norm-stat{\n font-size:13px;\n }\n .norm-stat .lbl{color:var(--muted);font-weight:500}\n .norm-stat .v{font-weight:700;font-family:var(--mono)}\n\n .hidden{display:none!important}\n<\/style>\n<\/head>\n<body>\n<div id=\"app\">\n\n <div class=\"header\">\n <h1>Loudness Tool<\/h1>\n <p>Analyze and normalize your audio files. Everything runs locally in your browser.<\/p>\n <\/div>\n\n \n <div class=\"section\" id=\"s1\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num1\">1<\/div>\n <div class=\"section-title\">Choose file<\/div>\n <div class=\"section-status\" id=\"st1\"><\/div>\n <\/div>\n <div class=\"section-body\" id=\"b1\">\n <div class=\"dropzone\" id=\"dropzone\">\n <div class=\"drop-label\">Drop a file here or <strong>browse<\/strong><\/div>\n <input type=\"file\" id=\"fileInput\" accept=\"audio\/*\">\n <\/div>\n <div id=\"filePill\" class=\"hidden\">\n <div class=\"file-pill\">\n <span class=\"fname\" id=\"fileName\"><\/span>\n <button class=\"x\" id=\"clearBtn\" title=\"Remove\">\u00d7<\/button>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"section\" id=\"s2\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num2\">2<\/div>\n <div class=\"section-title\">Analyze<\/div>\n <div class=\"section-status\" id=\"st2\"><\/div>\n <\/div>\n <div class=\"section-body disabled\" id=\"b2\">\n <div class=\"hint\" id=\"anHint\" style=\"font-size:13px;color:var(--muted);margin-bottom:8px\">Starts automatically after file selection.<\/div>\n\n <div id=\"anResult\" class=\"hidden\">\n <div class=\"result-grid\">\n <div class=\"result-cell\">\n <label>Integrated<\/label>\n <div class=\"val\" id=\"outLUFS\">\u2014<\/div>\n <\/div>\n <div class=\"result-cell\">\n <label>Range<\/label>\n <div class=\"val\" id=\"outLRA\">\u2014<\/div>\n <\/div>\n <div class=\"result-cell\">\n <label>True Peak<\/label>\n <div class=\"val\" id=\"outSP\">\u2014<\/div>\n <\/div>\n <\/div>\n\n <div class=\"plat-section\">\n <div class=\"plat-header\">\n <span class=\"plat-label\">Platform prediction<\/span>\n <button class=\"info-trigger\" id=\"infoTrigger\" aria-label=\"Explanation\">?\n <div class=\"info-pop\" id=\"infoPop\">\n <dl>\n <dt><span class=\"dot-i c-green\"><\/span> match<\/dt>\n <dd>Your file is within the target range. The platform won't change anything.<\/dd>\n <dt><span class=\"dot-i c-orange\"><\/span> quieter<\/dt>\n <dd>Your file is louder than the target. The platform will turn it down during playback.<\/dd>\n <dt><span class=\"dot-i c-blue\"><\/span> louder<\/dt>\n <dd>Your file is quieter than the target. The platform will turn it up during playback.<\/dd>\n <dt><span class=\"dot-i c-red\"><\/span> too quiet<\/dt>\n <dd>This platform only turns down, never up. Your file will stay too quiet \u2014 normalize it first.<\/dd>\n <\/dl>\n <\/div>\n <\/button>\n <\/div>\n <div id=\"platList\"><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"section\" id=\"s3\">\n <div class=\"section-head\">\n <div class=\"section-num\" id=\"num3\">3<\/div>\n <div class=\"section-title\">Normalize<\/div>\n <div class=\"section-status\" id=\"st3\"><\/div>\n <\/div>\n <div class=\"section-body disabled\" id=\"b3\">\n <div class=\"control-row\">\n <div class=\"field\" style=\"flex:1;min-width:180px\">\n <label for=\"preset\">Platform \/ Target<\/label>\n <select id=\"preset\">\n <option value=\"yt\">YouTube: -14 LUFS<\/option>\n <option value=\"yts\">YouTube Shorts: -14 LUFS<\/option>\n <option value=\"ig\">Instagram: -14 LUFS<\/option>\n <option value=\"tt\">TikTok: -14 LUFS<\/option>\n <option value=\"spm\">Spotify Music: -14 LUFS<\/option>\n <option value=\"spp\">Spotify Podcasts: -14 LUFS<\/option>\n <option value=\"ap\">Apple Podcasts: -16 LUFS<\/option>\n <option value=\"am\">Apple Music: -16 LUFS<\/option>\n <option value=\"az\">Amazon Music: -14 LUFS<\/option>\n <option value=\"au\">Audible: -18 LUFS<\/option>\n <option value=\"custom\">Custom value<\/option>\n <\/select>\n <\/div>\n <div class=\"field\" style=\"min-width:100px\">\n <label for=\"outFmt\">Format<\/label>\n <select id=\"outFmt\">\n <option value=\"wav\">WAV<\/option>\n <option value=\"mp3\">MP3 320k<\/option>\n <\/select>\n <\/div>\n <button class=\"btn primary\" id=\"normBtn\" disabled>Normalize<\/button>\n <\/div>\n\n <div id=\"customRow\" class=\"hidden\">\n <div class=\"advanced-fields\">\n <div class=\"control-row\">\n <div class=\"field\">\n <label for=\"customLufs\">Target LUFS<\/label>\n <input id=\"customLufs\" type=\"number\" step=\"0.1\" value=\"-16\" style=\"width:100px\">\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <button class=\"advanced-toggle\" id=\"advToggle\">Limiter settings \u25b8<\/button>\n <div id=\"advFields\" class=\"hidden\">\n <div class=\"advanced-fields\">\n <div class=\"control-row\">\n <div class=\"field\">\n <label for=\"ceiling\">Ceiling (dBTP)<\/label>\n <input id=\"ceiling\" type=\"number\" step=\"0.1\" value=\"-1.0\" style=\"width:100px\">\n <\/div>\n <div class=\"field\">\n <label for=\"lookahead\">Lookahead (ms)<\/label>\n <input id=\"lookahead\" type=\"number\" step=\"0.1\" value=\"10\" style=\"width:100px\">\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <div id=\"normProgress\" class=\"hidden\">\n <div class=\"progress-row\">\n <div class=\"progress-track\"><div class=\"progress-fill\" id=\"normBar\"><\/div><\/div>\n <div class=\"progress-label\" id=\"normPct\">0%<\/div>\n <\/div>\n <div class=\"progress-note\" id=\"normNote\"><\/div>\n <\/div>\n\n <div id=\"normResultArea\" class=\"hidden\">\n <div class=\"norm-result\">\n <div class=\"norm-stat\"><span class=\"lbl\">Result: <\/span><span class=\"v\" id=\"resLUFS\"><\/span><\/div>\n <div class=\"norm-stat\"><span class=\"lbl\">True Peak: <\/span><span class=\"v\" id=\"resSP\"><\/span><\/div>\n <div class=\"norm-stat\"><span class=\"lbl\">Status: <\/span><span class=\"v\" id=\"resStatus\" style=\"color:var(--green)\">\u2713 OK<\/span><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n<\/div>\n\n<script>\n(function(){\n const $ = id => document.getElementById(id);\n\n \/* \u2500\u2500 UI refs \u2500\u2500 *\/\n const ui = {\n dropzone:$('dropzone'), fileInput:$('fileInput'), filePill:$('filePill'),\n fileName:$('fileName'), clearBtn:$('clearBtn'),\n num1:$('num1'), num2:$('num2'), num3:$('num3'),\n st1:$('st1'), st2:$('st2'), st3:$('st3'),\n b2:$('b2'), b3:$('b3'),\n anHint:$('anHint'),\n anResult:$('anResult'), outLUFS:$('outLUFS'), outLRA:$('outLRA'), outSP:$('outSP'),\n platList:$('platList'),\n preset:$('preset'), outFmt:$('outFmt'), customLufs:$('customLufs'),\n customRow:$('customRow'),\n ceiling:$('ceiling'), lookahead:$('lookahead'),\n advToggle:$('advToggle'), advFields:$('advFields'),\n normBtn:$('normBtn'),\n normProgress:$('normProgress'), normBar:$('normBar'), normPct:$('normPct'), normNote:$('normNote'),\n normResultArea:$('normResultArea'),\n resLUFS:$('resLUFS'), resSP:$('resSP'), resStatus:$('resStatus'),\n };\n\n let audioBuf=null, decodedFileName='', lastAnalysis=null, pendingNorm=null, lastDownload=null;\n\n \/* \u2500\u2500 Helpers \u2500\u2500 *\/\n function enable(el,on){ el.classList.toggle('disabled',!on) }\n function show(el,on){ el.classList.toggle('hidden',!on) }\n function markNum(el,done){ el.classList.toggle('done',done) }\n\n \/* \u2500\u2500 Worker \u2500\u2500 *\/\n const workerCode = `\nlet lameOk=false;\ntry{importScripts('https:\/\/cdn.jsdelivr.net\/npm\/lamejs@1.2.0\/lame.min.js');lameOk=typeof lamejs!=='undefined'}catch(e){}\n\nfunction avg(a){if(!a.length)return 0;let s=0;for(let v of a)s+=v;return s\/a.length}\nfunction percentile(a,p){\n if(!a.length)return 0;\n const b=a.slice().sort((x,y)=>x-y);\n const pos=(p\/100)*(b.length-1),lo=Math.floor(pos),hi=Math.ceil(pos);\n if(lo===hi)return b[lo];\n return b[lo]+(b[hi]-b[lo])*(pos-lo);\n}\nfunction biquad(x,b0,b1,b2,a1,a2){\n const o=new Float32Array(x.length);let x1=0,x2=0,y1=0,y2=0;\n for(let i=0;i<x.length;i++){const y=b0*x[i]+b1*x1+b2*x2-a1*y1-a2*y2;o[i]=y;x2=x1;x1=x[i];y2=y1;y1=y}\n return o;\n}\nfunction kWeight48k(ch){\n let s=biquad(ch,1.53512485958697,-2.69169618940638,1.19839281085285,-1.69065929318241,0.73248077421585);\n return biquad(s,1,-2,1,-1.99004745483398,0.99007225036621);\n}\nfunction samplePeakLin(chs){let p=0;for(const d of chs)for(let i=0;i<d.length;i++){const v=Math.abs(d[i]);if(v>p)p=v}return p}\nfunction samplePeakDb(chs){return 20*Math.log10(samplePeakLin(chs)+1e-24)}\n\nconst TP_COEFFS=(function(){\n var N=48,L=4,T=12,mid=(N-1)\/2,ph=[];\n for(var p=0;p<L;p++){\n var c=new Float64Array(T);\n for(var k=0;k<T;k++){\n var n=k*L+p, x=(n-mid)\/L;\n var w=0.5*(1-Math.cos(2*Math.PI*n\/(N-1)));\n var s=Math.abs(x)<1e-12?1.0:Math.sin(Math.PI*x)\/(Math.PI*x);\n c[k]=s*w;\n }\n ph.push(c);\n }\n return ph;\n})();\n\nfunction truePeakLin(chs){\n var peak=0;\n for(var ci=0;ci<chs.length;ci++){\n var ch=chs[ci], len=ch.length;\n for(var n=0;n<len;n++){\n for(var p=0;p<4;p++){\n var c=TP_COEFFS[p], sum=0;\n for(var k=0;k<12;k++){\n var idx=n-k;\n if(idx>=0) sum+=ch[idx]*c[k];\n }\n var v=sum<0?-sum:sum;\n if(v>peak) peak=v;\n }\n }\n }\n return peak;\n}\n\nfunction truePeakDb(chs){return 20*Math.log10(truePeakLin(chs)+1e-24)}\n\nfunction buildPrefix(channels,fs){\n if(fs!==48000)throw new Error('48 kHz expected');\n const ch=channels.length,len=channels[0].length;\n const Gi=new Float64Array(ch);\n for(let c=0;c<ch;c++)Gi[c]=(c===3||c===4)?1.41:1.0;\n const p=new Float64Array(len);\n for(let c=0;c<ch;c++){\n const kw=kWeight48k(channels[c]),g=Gi[c];\n for(let i=0;i<len;i++){const v=kw[i];p[i]+=g*v*v}\n }\n const pref=new Float64Array(len+1);\n let acc=0;pref[0]=0;\n for(let i=0;i<len;i++){acc+=p[i];pref[i+1]=acc}\n return {pref,len};\n}\n\nfunction windowMeans(pref,len,win,hop){\n const out=[];\n for(let s=0;s+win<=len;s+=hop)out.push((pref[s+win]-pref[s])\/win);\n return out;\n}\n\nfunction analyze1770(channels,fs,cached){\n const K=-0.691,ABS=-70;\n const sp=truePeakDb(channels);\n const{pref,len}=cached||buildPrefix(channels,fs);\n const w4=Math.round(.4*fs),h1=Math.round(.1*fs);\n const ms4=windowMeans(pref,len,w4,h1);\n const L4=ms4.map(m=>K+10*Math.log10(m+1e-24));\n const k1=ms4.filter((_,i)=>L4[i]>=ABS);\n const Lg=K+10*Math.log10(avg(k1)+1e-24);\n const rg=Math.max(ABS,Lg-10);\n const k2=ms4.filter((_,i)=>L4[i]>=rg);\n const lufs=K+10*Math.log10(avg(k2)+1e-24);\n const w3=Math.round(3*fs),hL=Math.round(.1*fs);\n const ms3=windowMeans(pref,len,w3,hL);\n const L3=ms3.map(m=>K+10*Math.log10(m+1e-24));\n const gL=Math.max(ABS,lufs-20);\n const sg=[];for(let i=0;i<L3.length;i++)if(L3[i]>=gL)sg.push(L3[i]);\n const lra=sg.length?Math.max(0,percentile(sg,95)-percentile(sg,10)):0;\n return {lufs,lra,sp};\n}\n\nfunction limiterFast(channels,fs,ceilDb,lookMs,atkMs,relMs){\n const ch=channels.length,len=channels[0].length;\n const look=Math.max(1,Math.round(lookMs*fs\/1000));\n const atk=Math.max(1,Math.round(atkMs*fs\/1000));\n const rel=Math.max(1,Math.round(relMs*fs\/1000));\n const ceilLin=Math.pow(10,ceilDb\/20);\n const det=new Float32Array(len);\n for(let i=0;i<len;i++){let p=0;for(let c=0;c<ch;c++){const v=Math.abs(channels[c][i]);if(v>p)p=v}det[i]=p}\n const winMax=new Float32Array(len);\n const dq=new Int32Array(look+2);\n let dqH=0,dqT=0;\n for(let i=0;i<len;i++){\n while(dqH<dqT && dq[dqH%dq.length]<i)dqH++;\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i; dqT++;\n }\n dqH=0;dqT=0;\n for(let i=0;i<Math.min(look,len);i++){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i;dqT++;\n }\n for(let n=0;n<len;n++){\n const newIdx=n+look-1;\n if(newIdx<len && newIdx>=look-1){\n if(newIdx>=look){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[newIdx])dqT--;\n dq[dqT%dq.length]=newIdx;dqT++;\n }\n }\n while(dqH<dqT && dq[dqH%dq.length]<n)dqH++;\n winMax[n]=(dqH<dqT)?det[dq[dqH%dq.length]]:0;\n }\n const env=new Float32Array(len);\n let g=1;\n for(let n=0;n<len;n++){\n const need=winMax[n]>0?Math.min(1,ceilLin\/winMax[n]):1;\n if(need<g){g*=Math.pow(need\/g,1\/atk)}\n else{g*=Math.pow(need\/g,1\/rel);if(g>1)g=1}\n env[n]=g;\n }\n const out=channels.map(()=>new Float32Array(len));\n for(let c=0;c<ch;c++){\n const src=channels[c],dst=out[c];\n for(let i=0;i<len;i++){\n const j=i-look;\n dst[i]=(j>=0?src[j]:0)*env[i];\n }\n }\n return out;\n}\n\nfunction applyGain(chs,g){return chs.map(ch=>{const o=new Float32Array(ch.length);for(let i=0;i<ch.length;i++)o[i]=ch[i]*g;return o})}\n\nfunction limiterTruePeak(channels,fs,ceilDb){\n const ch=channels.length,len=channels[0].length;\n const look=Math.max(1,Math.round(0.002*fs));\n const atk=1;\n const rel=Math.max(1,Math.round(0.05*fs));\n const ceilLin=Math.pow(10,(ceilDb-0.05)\/20);\n const det=new Float32Array(len);\n for(var n=0;n<len;n++){\n var maxTP=0;\n for(var c=0;c<ch;c++){\n for(var p=0;p<4;p++){\n var coefs=TP_COEFFS[p],sum=0;\n for(var k=0;k<12;k++){\n var idx=n-k;\n if(idx>=0) sum+=channels[c][idx]*coefs[k];\n }\n var v=sum<0?-sum:sum;\n if(v>maxTP) maxTP=v;\n }\n }\n det[n]=maxTP;\n }\n const winMax=new Float32Array(len);\n const dq=new Int32Array(look+2);\n let dqH=0,dqT=0;\n for(let i=0;i<Math.min(look,len);i++){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[i])dqT--;\n dq[dqT%dq.length]=i;dqT++;\n }\n for(let n=0;n<len;n++){\n const newIdx=n+look-1;\n if(newIdx<len && newIdx>=look){\n while(dqH<dqT && det[dq[(dqT-1)%dq.length]]<=det[newIdx])dqT--;\n dq[dqT%dq.length]=newIdx;dqT++;\n }\n while(dqH<dqT && dq[dqH%dq.length]<n)dqH++;\n winMax[n]=(dqH<dqT)?det[dq[dqH%dq.length]]:0;\n }\n const env=new Float32Array(len);\n let g=1;\n for(let n=0;n<len;n++){\n const need=winMax[n]>0?Math.min(1,ceilLin\/winMax[n]):1;\n if(need<g){g*=Math.pow(need\/g,1\/atk)}\n else{g*=Math.pow(need\/g,1\/rel);if(g>1)g=1}\n env[n]=g;\n }\n const out=channels.map(()=>new Float32Array(len));\n for(let c=0;c<ch;c++){\n const src=channels[c],dst=out[c];\n for(let i=0;i<len;i++){\n const j=i-look;\n dst[i]=(j>=0?src[j]:0)*env[i];\n }\n }\n return out;\n}\n\nfunction encodeWav(chs,sr){\n const ch=chs.length,len=chs[0].length;\n const inter=new Float32Array(len*ch);\n for(let i=0;i<len;i++)for(let c=0;c<ch;c++)inter[i*ch+c]=chs[c][i];\n const bps=2,ba=ch*bps,ds=inter.length*bps;\n const dv=new DataView(new ArrayBuffer(44+ds));\n const w=(o,s)=>{for(let i=0;i<s.length;i++)dv.setUint8(o+i,s.charCodeAt(i))};\n w(0,'RIFF');dv.setUint32(4,36+ds,true);w(8,'WAVE');w(12,'fmt ');dv.setUint32(16,16,true);\n dv.setUint16(20,1,true);dv.setUint16(22,ch,true);dv.setUint32(24,sr,true);\n dv.setUint32(28,sr*ba,true);dv.setUint16(32,ba,true);dv.setUint16(34,16,true);\n w(36,'data');dv.setUint32(40,ds,true);\n let off=44;\n for(let i=0;i<inter.length;i++,off+=2){let s=Math.max(-1,Math.min(1,inter[i]));dv.setInt16(off,s<0?s*0x8000:s*0x7FFF,true)}\n return new Blob([dv],{type:'audio\/wav'});\n}\n\nfunction encodeMp3(chs,sr){\n if(!lameOk)throw new Error('MP3 encoder not available');\n const ch=chs.length,len=chs[0].length;\n const enc=new lamejs.Mp3Encoder(ch,sr,320);\n const f2i=f=>{const o=new Int16Array(f.length);for(let i=0;i<f.length;i++){let s=Math.max(-1,Math.min(1,f[i]));o[i]=s<0?s*0x8000:s*0x7FFF}return o};\n const out=[],chunk=1152;let last=0;\n for(let i=0;i<len;i+=chunk){\n const e=Math.min(len,i+chunk),L=f2i(chs[0].subarray(i,e));\n let buf;\n if(ch===2){buf=enc.encodeBuffer(L,f2i(chs[1].subarray(i,e)))}else{buf=enc.encodeBuffer(L)}\n if(buf.length>0)out.push(buf);\n const pct=Math.round((i\/len)*100);\n if(pct-last>=5){last=pct;postMessage({type:'encProgress',pct:90+Math.round(pct*.1),note:'Encoding MP3'})}\n }\n const end=enc.flush();if(end.length>0)out.push(end);\n return new Blob(out,{type:'audio\/mpeg'});\n}\n\nonmessage=e=>{\n const msg=e.data;\n try{\n if(msg.type==='analyze'){\n const fs=msg.meta.sampleRate;\n const chs=msg.meta.channels.map(b=>new Float32Array(b));\n const res=analyze1770(chs,fs);\n postMessage({type:'anDone',data:res});\n }\n\n if(msg.type==='normalize'){\n const fs=msg.meta.sampleRate;\n const target=msg.meta.targetLUFS;\n const ceilTP=msg.meta.ceilingDbtp;\n const lookMs=msg.meta.lookMs;\n let work=msg.meta.channels.map(b=>new Float32Array(b));\n\n const softCeil=ceilTP;\n const softCeilLin=Math.pow(10,softCeil\/20);\n const maxIter=10,tol=0.02;\n\n for(let iter=0;iter<maxIter;iter++){\n const pct=10+Math.round((iter\/maxIter)*65);\n postMessage({type:'progress',phase:'norm',pct,note:'Adjusting loudness'});\n const a=analyze1770(work,fs);\n const err=target-a.lufs;\n if(Math.abs(err)<=tol)break;\n const g=Math.pow(10,err\/20);\n work=applyGain(work,g);\n if(samplePeakLin(work)>softCeilLin){\n work=limiterFast(work,fs,softCeil,lookMs,1,120);\n }\n }\n\n postMessage({type:'progress',phase:'norm',pct:80,note:'True peak brickwall limiter'});\n work=limiterTruePeak(work,fs,ceilTP);\n\n postMessage({type:'progress',phase:'norm',pct:88,note:'Measuring result'});\n const fin=analyze1770(work,fs);\n postMessage({type:'progress',phase:'norm',pct:90});\n postMessage({type:'normReady',data:{lufs:fin.lufs,lra:fin.lra,sp:fin.sp,sampleRate:fs,channels:work}});\n }\n\n if(msg.type==='encode'){\n const fs=msg.meta.sampleRate,fmt=msg.meta.fmt;\n const chs=msg.meta.channels.map(b=>new Float32Array(b));\n if(fmt==='wav'){\n postMessage({type:'encProgress',pct:95,note:'Creating WAV'});\n const blob=encodeWav(chs,fs);\n postMessage({type:'encDone',ext:'wav',blob});\n }else{\n const blob=encodeMp3(chs,fs);\n postMessage({type:'encDone',ext:'mp3',blob});\n }\n }\n }catch(err){\n postMessage({type:'error',message:err&&err.message?err.message:String(err)});\n }\n};\n`;\n\n const worker = new Worker(URL.createObjectURL(new Blob([workerCode],{type:'application\/javascript'})));\n\n \/* \u2500\u2500 File handling \u2500\u2500 *\/\n ui.dropzone.addEventListener('dragover',e=>{e.preventDefault();ui.dropzone.classList.add('drag')});\n ui.dropzone.addEventListener('dragleave',()=>ui.dropzone.classList.remove('drag'));\n ui.dropzone.addEventListener('drop',e=>{\n e.preventDefault();ui.dropzone.classList.remove('drag');\n if(e.dataTransfer.files[0])loadFile(e.dataTransfer.files[0]);\n });\n ui.fileInput.addEventListener('change',()=>{if(ui.fileInput.files[0])loadFile(ui.fileInput.files[0])});\n ui.clearBtn.addEventListener('click',resetAll);\n\n async function loadFile(file){\n resetResults();\n ui.st1.textContent='Loading \u2026';ui.st1.className='section-status active';\n decodedFileName=file.name.replace(\/\\.[a-z0-9]+$\/i,'');\n try{\n const ab=await file.arrayBuffer();\n const ctx=new(window.AudioContext||window.webkitAudioContext)({sampleRate:48000});\n audioBuf=await ctx.decodeAudioData(ab.slice(0));\n ctx.close();\n ui.st1.textContent='Loaded';ui.st1.className='section-status ok';\n markNum(ui.num1,true);\n show(ui.dropzone,false);\n show(ui.filePill,true);\n ui.fileName.textContent=file.name;\n enable(ui.b2,true);\n ui.st2.textContent='';ui.st2.className='section-status';\n startAnalysis();\n }catch(err){\n console.error(err);\n ui.st1.textContent='Error';ui.st1.className='section-status err';\n audioBuf=null;\n }\n }\n\n function resetAll(){\n audioBuf=null;lastAnalysis=null;decodedFileName='';pendingNorm=null;\n ui.fileInput.value='';\n show(ui.dropzone,true);show(ui.filePill,false);\n show(ui.anHint,true);\n ui.st1.textContent='';ui.st1.className='section-status';\n markNum(ui.num1,false);markNum(ui.num2,false);markNum(ui.num3,false);\n enable(ui.b2,false);enable(ui.b3,false);\n resetResults();\n }\n\n function resetResults(){\n lastAnalysis=null;\n lastDownload=null;\n show(ui.anResult,false);\n show(ui.normProgress,false);show(ui.normResultArea,false);\n ui.normBar.style.width='0%';ui.normPct.textContent='0%';\n ui.normNote.textContent='';\n ui.st2.textContent='';ui.st2.className='section-status';\n ui.st3.textContent='';ui.st3.className='section-status';\n setNormBtnNormalize();\n ui.normBtn.disabled=true;\n enable(ui.b3,false);\n markNum(ui.num2,false);markNum(ui.num3,false);\n }\n\n \/* \u2500\u2500 Analyze \u2500\u2500 *\/\n function startAnalysis(){\n if(!audioBuf)return;\n resetResults();\n show(ui.anHint,false);\n enable(ui.b2,true);\n ui.st2.textContent='Running \u2026';ui.st2.className='section-status active';\n const chs=[];\n for(let c=0;c<audioBuf.numberOfChannels;c++)chs.push(audioBuf.getChannelData(c).slice(0).buffer);\n worker.postMessage({type:'analyze',meta:{channels:chs,sampleRate:audioBuf.sampleRate}});\n }\n\n \/* \u2500\u2500 Info popover (mobile: click) \u2500\u2500 *\/\n const infoTrigger=$('infoTrigger');\n infoTrigger.addEventListener('click',function(e){\n e.preventDefault();e.stopPropagation();\n this.classList.toggle('open');\n });\n document.addEventListener('click',function(e){\n if(!infoTrigger.contains(e.target))infoTrigger.classList.remove('open');\n });\n\n \/* \u2500\u2500 Preset \u2500\u2500 *\/\n function presetLUFS(v){\n const m={yt:-14,yts:-14,ig:-14,tt:-14,spm:-14,spp:-14,ap:-16,am:-16,az:-14,au:-18};\n return m[v]||NaN;\n }\n function targetLUFS(){\n return ui.preset.value==='custom'?parseFloat(ui.customLufs.value):presetLUFS(ui.preset.value);\n }\n ui.preset.addEventListener('change',()=>{\n show(ui.customRow,ui.preset.value==='custom');\n if(lastAnalysis)ui.normBtn.disabled=false;\n if(lastDownload)setNormBtnNormalize();\n });\n ui.outFmt.addEventListener('change',()=>{\n if(lastDownload)setNormBtnNormalize();\n });\n\n \/* \u2500\u2500 Advanced toggle \u2500\u2500 *\/\n ui.advToggle.addEventListener('click',()=>{\n const open=ui.advFields.classList.contains('hidden');\n show(ui.advFields,open);\n ui.advToggle.textContent=open?'Limiter settings \\u25BE':'Limiter settings \\u25B8';\n });\n\n \/* \u2500\u2500 Normalize \/ Download button \u2500\u2500 *\/\n function setNormBtnDownload(url,filename,ext){\n lastDownload={url,filename};\n ui.normBtn.textContent='Download '+ext.toUpperCase();\n ui.normBtn.classList.remove('primary');\n ui.normBtn.classList.add('download');\n ui.normBtn.disabled=false;\n }\n function setNormBtnNormalize(){\n lastDownload=null;\n ui.normBtn.textContent='Normalize';\n ui.normBtn.classList.remove('download');\n ui.normBtn.classList.add('primary');\n }\n\n ui.normBtn.addEventListener('click',()=>{\n \/* Download mode *\/\n if(lastDownload){\n const a=document.createElement('a');\n a.href=lastDownload.url;\n a.download=lastDownload.filename;\n a.click();\n return;\n }\n \/* Normalize mode *\/\n if(!audioBuf||!lastAnalysis)return;\n ui.normBtn.disabled=true;\n show(ui.normProgress,true);show(ui.normResultArea,false);\n ui.normBar.style.width='0%';ui.normPct.textContent='0%';\n ui.st3.textContent='Running \u2026';ui.st3.className='section-status active';\n\n const fmt=ui.outFmt.value;\n const baseCeil=parseFloat(ui.ceiling.value);\n const userCeil=fmt==='mp3'?Math.min(baseCeil,-2):baseCeil;\n\n const chs=[];\n for(let c=0;c<audioBuf.numberOfChannels;c++)chs.push(audioBuf.getChannelData(c).slice(0).buffer);\n worker.postMessage({type:'normalize',meta:{\n channels:chs,sampleRate:audioBuf.sampleRate,\n targetLUFS:targetLUFS(),ceilingDbtp:userCeil,lookMs:parseFloat(ui.lookahead.value)\n }});\n });\n\n \/* \u2500\u2500 Worker messages \u2500\u2500 *\/\n worker.onmessage=e=>{\n const msg=e.data;if(!msg)return;\n\n if(msg.type==='progress'){\n if(msg.phase==='norm'){\n ui.normBar.style.width=msg.pct+'%';ui.normPct.textContent=msg.pct+'%';\n ui.normNote.textContent=msg.note||'';\n }\n }\n\n if(msg.type==='anDone'){\n if(!lastAnalysis){\n lastAnalysis=msg.data;\n ui.outLUFS.textContent=msg.data.lufs.toFixed(1)+' LUFS';\n ui.outLRA.textContent=msg.data.lra.toFixed(1)+' LU';\n ui.outSP.textContent=msg.data.sp.toFixed(1)+' dBTP';\n show(ui.anResult,true);\n ui.st2.textContent='Done';ui.st2.className='section-status ok';\n markNum(ui.num2,true);\n enable(ui.b3,true);\n ui.normBtn.disabled=false;\n buildPlatforms(msg.data.lufs);\n }else{\n ui.resLUFS.textContent=msg.data.lufs.toFixed(1)+' LUFS';\n ui.resSP.textContent=msg.data.sp.toFixed(1)+' dBTP';\n show(ui.normResultArea,true);\n ui.resStatus.textContent='\\u2713 OK';ui.resStatus.style.color='var(--green)';\n ui.st3.textContent='Done';ui.st3.className='section-status ok';\n markNum(ui.num3,true);\n }\n }\n\n if(msg.type==='normReady'){\n ui.normBar.style.width='90%';ui.normPct.textContent='90%';\n ui.normNote.textContent='Creating file';\n pendingNorm={channels:msg.data.channels.map(a=>a.buffer.slice(0)),sampleRate:msg.data.sampleRate};\n worker.postMessage({type:'encode',meta:{channels:pendingNorm.channels,sampleRate:pendingNorm.sampleRate,fmt:ui.outFmt.value}});\n }\n\n if(msg.type==='encProgress'){\n ui.normBar.style.width=msg.pct+'%';ui.normPct.textContent=msg.pct+'%';\n if(msg.note)ui.normNote.textContent=msg.note;\n }\n\n if(msg.type==='encDone'){\n ui.normBar.style.width='100%';ui.normPct.textContent='100%';\n show(ui.normProgress,false);\n const url=URL.createObjectURL(msg.blob);\n const ext=msg.ext||'wav';\n const filename=(decodedFileName||'loudness')+'_normalized.'+ext;\n setNormBtnDownload(url,filename,ext);\n if(pendingNorm)worker.postMessage({type:'analyze',meta:{channels:pendingNorm.channels,sampleRate:pendingNorm.sampleRate}});\n }\n\n if(msg.type==='error'){\n ui.normNote.textContent='Error: '+msg.message;\n ui.st3.textContent='Error';ui.st3.className='section-status err';\n ui.resStatus.textContent='\\u2715 Error';ui.resStatus.style.color='var(--red)';\n show(ui.normResultArea,true);\n }\n };\n\n \/* \u2500\u2500 Platforms \u2500\u2500 *\/\n function buildPlatforms(lufs){\n const targets=[\n {name:'YouTube',t:-14,b:'downOnly'},{name:'YouTube Shorts',t:-14,b:'downOnly'},\n {name:'Instagram',t:-14,b:'range'},{name:'TikTok',t:-14,b:'range'},\n {name:'Spotify Music',t:-14,b:'range'},{name:'Spotify Podcasts',t:-14,b:'range'},\n {name:'Apple Podcasts',t:-16,b:'range'},{name:'Apple Music',t:-16,b:'range'},\n {name:'Amazon Music',t:-14,b:'range'},{name:'Audible',t:-18,b:'range'}\n ];\n const tagTips={\n ok:'Your file is within the platform\\'s target range. Nothing will be changed during playback.',\n down:'Your file is louder than the target. The platform will automatically turn it down during playback.',\n up:'Your file is quieter than the target. The platform will automatically turn it up during playback.',\n warn:'This platform only turns down, never up. Your file will stay too quiet \u2014 normalize it first.'\n };\n const wrap=document.createElement('div');wrap.className='plat-list';\n targets.forEach(p=>{\n const d=p.t-lufs,abs=Math.abs(d).toFixed(1);\n let cls,tag,info;\n if(p.b==='downOnly'){\n if(d<-0.05){cls='down';tag='quieter';info='\\u2212'+abs+' dB adjustment'}\n else if(d>0.05){cls='warn';tag='too quiet';info='+'+abs+' dB missing'}\n else{cls='ok';tag='match';info='Target '+p.t+' LUFS'}\n }else{\n if(d<-0.05){cls='down';tag='quieter';info='\\u2212'+abs+' dB adjustment'}\n else if(d>0.05){cls='up';tag='louder';info='+'+abs+' dB adjustment'}\n else{cls='ok';tag='match';info='Target '+p.t+' LUFS'}\n }\n const row=document.createElement('div');row.className='plat-row';\n row.innerHTML=\n '<div class=\"plat-icon '+cls+'\"><\/div>'+\n '<span class=\"plat-name\">'+p.name+'<\/span>'+\n '<span class=\"plat-info\">'+info+'<\/span>'+\n '<span class=\"plat-tag '+cls+'\">'+tag+'<span class=\"tag-tip\">'+tagTips[cls]+'<\/span><\/span>';\n wrap.appendChild(row);\n });\n ui.platList.innerHTML='';ui.platList.appendChild(wrap);\n }\n})();\n<\/script>\n<\/body>\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70054e92 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"70054e92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-c9654dd elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/author\/fabian-matzen\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"elementor-avatar\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2022\/10\/Fabian-Matzen-soundandgo-about-us-96x96.webp\" alt=\"Picture of Fabian\" loading=\"lazy\" title=\"\">\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t<span class=\"elementor-post-info__item-prefix\">by<\/span>\n\t\t\t\t\t\t\t\t\t\tFabian\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-b8e28dd elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\tlast edited:18.03.2026\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d711205 elementor-widget elementor-widget-n-accordion\" data-id=\"6d711205\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{"default_state":"all_collapsed","max_items_expended":"one","n_accordion_animation_duration":{"unit":"ms","size":400,"sizes":[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1830\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1830\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Troubleshooting <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1830\" class=\"elementor-element elementor-element-6f0fd908 e-con-full e-flex e-con e-child\" data-id=\"6f0fd908\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d5139db elementor-widget elementor-widget-text-editor\" data-id=\"5d5139db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n <li>File is not displayed. Make sure it is a valid audio file and not just a renamed file extension. Supported formats include WAV, MP3, FLAC, AAC, OGG, and M4A.<\/li>\n <li>Multiple files are not accepted. The tool processes one file at a time. If nothing happens, reload the page and try again.<\/li>\n <li>Analysis or normalization does not start. Check whether JavaScript is enabled in your browser. Try using a current browser such as Chrome, Edge, or Safari.<\/li>\n <li>Progress appears to be stuck. All processing runs locally in your browser. For long audio files, this may take some time. Wait until the process is complete.<\/li>\n <li>Processing is complete but download is not working. Check whether your browser is blocking downloads. Disable any popup or download blockers and reload the page.<\/li>\n <li>Very large file. Uncompressed formats like WAV can be very large. For long recordings, normalization may take several minutes. Close other programs to free up memory.<\/li>\n <li>File cannot be decoded. The audio file may be corrupted or contain an unsupported format. Re-export the file as a standard WAV at 16-bit or 24-bit.<\/li>\n <li>Processing stops on mobile devices. The page must remain in the foreground until processing is complete. Switching apps or locking the screen may pause the process.<\/li>\n <li>No download on iPhone or iPad. Long-press the download button and select Save to Files. Downloads may be blocked in private browsing mode.<\/li>\n <li>MP3 output sounds different from WAV. MP3 is a lossy compressed format. For the highest quality, select MP3 320k in the format options.<\/li>\n <li>Browser becomes slow or unresponsive. Large audio files require significant memory. Use a desktop browser for long recordings when possible.<\/li>\n <li>Normalized file does not appear. Reload the page and add the file again. Make sure the file has fully loaded before starting normalization.<\/li>\n<\/ul>\nIf problems persist, try a different up-to-date browser or reduce the file size by splitting the audio into shorter segments.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da2c40b elementor-widget elementor-widget-global elementor-global-17897 elementor-widget-template\" data-id=\"da2c40b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"17894\" class=\"elementor elementor-17894\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1dddbc46 e-flex e-con-boxed e-con e-child\" data-id=\"1dddbc46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e13578b elementor-align-center elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2e13578b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hand-holding-heart\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Use our affiliate links and support our work.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403ca943 elementor-widget elementor-widget-text-editor\" data-id=\"403ca943\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our website is <strong>free of external advertising banners<\/strong> <strong>and fake download buttons<\/strong>. By purchasing from our <strong>affiliate partners<\/strong> <a href=\"https:\/\/amzn.to\/4qKJuU2\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Amazon<\/strong><\/a>* or <a href=\"https:\/\/www.thomannmusic.com\/?offid=1&affid=2950\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Thomann<\/strong><\/a>*, you <strong>don’t pay more<\/strong> and <strong>support us<\/strong> at the same time. Thank you!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37e33623 elementor-widget elementor-widget-text-editor\" data-id=\"37e33623\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Want to <strong>check the loudness of an audio file<\/strong>? And if it’s off, normalize it to the correct level.<br \/>With our <strong>Loudness Analyzer and Normalizer<\/strong> you can do that without any downloads. All processing runs directly in your browser. Your audio data never leaves your device.<\/p>\n<p>Ideal for music productions, podcasts, voice recordings, or broadcast content where you need to adjust loudness.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35c6b5d9 elementor-widget elementor-widget-heading\" data-id=\"35c6b5d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analyzing and Normalizing Loudness: Here's How It Works<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f2ece73 elementor-widget elementor-widget-text-editor\" data-id=\"7f2ece73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur browser-based <b>Loudness Analyzer and Normalizer<\/b> not only analyzes the loudness of your audio file, it can also adjust it directly. <b>This analysis and processing runs without any upload<\/b>. Your data is processed using built-in browser features. No audio information is sent to our server. Your audio data stays on your device at all times. <b>The tool is 100% free<\/b>. There are <b>no upload or conversion limits<\/b>.\nIdeal for music, podcasts, voice recordings, or audio tracks from videos or broadcast content.\n<strong>How our Loudness Analyzer and Normalizer works<\/strong>:\n<ol>\n <li>Select an audio file<\/li>\n <li>The analysis starts automatically<\/li>\n <li>Review the current loudness values<\/li>\n <li>Adjust the loudness if needed.<\/li>\n<\/ol>\n<strong>No registration.<\/strong>\n<strong>No file size limit.<\/strong>\n<strong>No installation.<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-252ffed1 elementor-widget elementor-widget-heading\" data-id=\"252ffed1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Which loudness should you choose?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53a17cf2 elementor-widget elementor-widget-text-editor\" data-id=\"53a17cf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The optimal loudness depends on the use case and platform. Target values for platforms and broadcast are:<\/p>\n<p><strong>YouTube:<\/strong> \u221214 LUFS<\/p>\n<p><strong>YouTube Shorts:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Instagram:<\/strong> \u221214 LUFS<\/p>\n<p><strong>TikTok:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Spotify Music:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Spotify Podcasts:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Apple Music:<\/strong> \u221216 LUFS<\/p>\n<p><strong>Apple Podcasts:<\/strong> \u221216 LUFS<\/p>\n<p><strong>Amazon Music:<\/strong> \u221214 LUFS<\/p>\n<p><strong>Audible:<\/strong> \u221218 LUFS<\/p>\n<p><strong>Broadcast \/ TV per EBU R128:<\/strong> \u221223 LUFS<\/p>\n<p>Streaming platforms frequently normalize audio automatically. If your file is significantly louder or quieter than the target, this can lead to unexpected level changes. Proper normalization ensures consistent loudness.<\/p>\n<p><strong>Note:<\/strong> <strong>YouTube does not normalize audio louder!<\/strong> If your audio is too quiet, YouTube will <strong>not<\/strong> adjust it automatically. If it is too loud, it will be turned down to the target level.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e31c571 elementor-widget elementor-widget-html\" data-id=\"1e31c571\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table lang=\"en\"\n class=\"sag-table lufs-platform-compare\"\n style=\"width:100%; max-width:100%; table-layout:fixed; border-collapse:collapse; font-size:12px;\">\n <colgroup>\n <col style=\"width:33.33%;\">\n <col style=\"width:33.33%;\">\n <col style=\"width:33.33%;\">\n <\/colgroup>\n <thead>\n <tr>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Platform\n <\/th>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Target Loudness\n <\/th>\n <th scope=\"col\" style=\"text-align:left; white-space:normal; overflow-wrap:normal; word-break:normal; hyphens:auto;\">\n Typical Use\n <\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">YouTube<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Videos and music content<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">YouTube Shorts<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Short-form videos<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Instagram<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Reels and social media videos<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">TikTok<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Short-form videos and social media content<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Spotify Music<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Spotify Podcasts<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Podcast streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Apple Podcasts<\/th>\n <td>\u221216 LUFS<\/td>\n <td>Podcast platform<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Apple Music<\/th>\n <td>\u221216 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Amazon Music<\/th>\n <td>\u221214 LUFS<\/td>\n <td>Music streaming<\/td>\n <\/tr>\n <tr>\n <th scope=\"row\" style=\"text-align:left;\">Audible<\/th>\n <td>\u221218 LUFS<\/td>\n <td>Audiobooks and spoken word<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d080415 elementor-widget elementor-widget-heading\" data-id=\"d080415\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why you should use our web app for your conversion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e8f747f elementor-widget elementor-widget-text-editor\" data-id=\"1e8f747f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur tool uses modern browser technologies. All processing happens <strong>directly in your browser<\/strong>. This means:\n<ul>\n <li><strong>No upload to external servers<\/strong><\/li>\n <li><strong>No storage of your files<\/strong><\/li>\n <li><strong>No sharing of audio data<\/strong><\/li>\n <li><strong>Full control over your content<\/strong><\/li>\n<\/ul>\nThis is a key advantage, especially for sensitive voice recordings or unreleased music projects.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b3bceac elementor-widget elementor-widget-heading\" data-id=\"3b3bceac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is loudness? And what is the difference to volume?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60f4952 elementor-widget elementor-widget-text-editor\" data-id=\"60f4952\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Volume<\/strong> usually describes the momentary level of a signal, for example in dBFS. It is a purely technical value.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Loudness\" target=\"_blank\" rel=\"noopener\"><strong>Loudness<\/strong><\/a> describes <strong>how loud a signal is perceived<\/strong> over its entire duration.<\/p>\n<p>This is why a file with lower peaks can still sound louder than another. Similarly, some files require volume adjustments because the loudness fluctuates. Commercials often sound louder because their loudness is higher.<\/p>\n<p><strong>Common measurements in loudness analysis<\/strong>:<\/p>\n<p><strong>Integrated LUFS<\/strong><br \/>Average loudness over the entire file.<\/p>\n<p><strong>Short Term LUFS<\/strong><br \/>Loudness over short time windows (3 seconds).<\/p>\n<p><strong>True Peak<\/strong><br \/>Highest actual peak level after D\/A reconstruction.<\/p>\n<p><strong>Loudness Range<\/strong><br \/>A measure of dynamics \u2014 the difference between the loudest and quietest parts of the audio file.<\/p>\n<p>These values help master audio consistently and in line with platform requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bf47351 elementor-widget elementor-widget-heading\" data-id=\"6bf47351\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why loudness normalization is important<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd9f3d8 elementor-widget elementor-widget-text-editor\" data-id=\"dd9f3d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Without loudness normalization, audio content can have widely varying levels. This leads to a poor listening experience.<\/p><p><strong>Common problems:<\/strong><\/p><ul><li>Podcasts are too quiet (e.g. on YouTube)<\/li><li>Processing (e.g. limiting) affects quality and tone<\/li><li>Music is automatically turned down by platforms, which can alter the sound<\/li><li>Voice recordings have significant loudness fluctuations<\/li><\/ul><p>Proper normalization ensures:<\/p><ul><li>Consistent loudness<\/li><li>Better intelligibility<\/li><li>Platform-compliant audio levels<\/li><li>Professional sounding productions<\/li><\/ul><p>Most importantly, it means you can be confident that the platform won’t reprocess your file, and you retain full control over the sound. Every additional processing step means a loss of control.<\/p><p>If your song is too loud, the platform will turn it down and you lose dynamics in your mix. If it’s too quiet, some platforms won’t compensate. On YouTube for example, it simply stays too quiet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58201de elementor-widget elementor-widget-heading\" data-id=\"58201de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Do you need to submit files in other formats?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7968e577 elementor-widget elementor-widget-text-editor\" data-id=\"7968e577\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Then check out our <a href=\"https:\/\/soundandgo.com\/en\/audio-converter\/\"><strong>audio converter<\/strong><\/a>. You can use it to convert many other audio formats. It\u2019s also free, ad-free, and has no data limits.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d6b164c elementor-widget elementor-widget-heading\" data-id=\"6d6b164c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions About the Loudness Analyzer and Normalizer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79aaf1c9 elementor-widget elementor-widget-n-accordion\" data-id=\"79aaf1c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{"default_state":"expanded","max_items_expended":"one","n_accordion_animation_duration":{"unit":"ms","size":400,"sizes":[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2040\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2040\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is LUFS? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2040\" class=\"elementor-element elementor-element-48690cee e-con-full e-flex e-con e-child\" data-id=\"48690cee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-278f7628 elementor-widget elementor-widget-text-editor\" data-id=\"278f7628\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLUFS is a metric for the perceived loudness of an audio signal and is used in modern broadcast and streaming standards.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2041\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2041\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the loudness target for YouTube? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2041\" class=\"elementor-element elementor-element-1360d0fd e-con-full e-flex e-con e-child\" data-id=\"1360d0fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11308b85 elementor-widget elementor-widget-text-editor\" data-id=\"11308b85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>YouTube normalizes audio to \u221214 LUFS. If your audio is significantly louder than that, it will be automatically lowered. If it’s too quiet, YouTube won’t enhance it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2042\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2042\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the loudness target for Social Media? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2042\" class=\"elementor-element elementor-element-582e8917 e-con-full e-flex e-con e-child\" data-id=\"582e8917\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2289564b elementor-widget elementor-widget-text-editor\" data-id=\"2289564b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>All social media platforms typically normalize audio to around \u221214 LUFS. If your audio is significantly louder than that, it will be automatically lowered.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2043\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2043\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Will my files be uploaded? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2043\" class=\"elementor-element elementor-element-76da3565 e-con-full e-flex e-con e-child\" data-id=\"76da3565\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4555ea96 elementor-widget elementor-widget-text-editor\" data-id=\"4555ea96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>No. All analysis and processing takes place locally in your browser. Your files never leave your device.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2044\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2044\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Is there a file size limit? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2044\" class=\"elementor-element elementor-element-43851a15 e-con-full e-flex e-con e-child\" data-id=\"43851a15\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3777da elementor-widget elementor-widget-text-editor\" data-id=\"a3777da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Since no servers are involved, there is no traditional upload limit. The maximum file size depends on your device’s capabilities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2045\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2045\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Does the Loudness Analyzer work on smartphones? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2045\" class=\"elementor-element elementor-element-5319be8 e-con-full e-flex e-con e-child\" data-id=\"5319be8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c3e4e7e elementor-widget elementor-widget-text-editor\" data-id=\"2c3e4e7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes. The tool works on modern browsers on Windows, macOS, Linux, iOS, and Android.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2046\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2046\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Does normalization affect audio quality? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2046\" class=\"elementor-element elementor-element-75355901 e-con-full e-flex e-con e-child\" data-id=\"75355901\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20b2c8d2 elementor-widget elementor-widget-text-editor\" data-id=\"20b2c8d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Loudness normalization simply adjusts the volume level. If volume spikes occur during normalization, a limiter kicks in to ensure the target levels are met and prevent clipping. The audio quality is preserved as much as possible. You can adjust the limiter settings<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17ce84cd e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"17ce84cd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"sticky":"top","sticky_parent":"yes","sticky_on":["desktop","tablet","mobile"],"sticky_offset":0,"sticky_effects_offset":0,"sticky_anchor_link_offset":0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2563b4d3 elementor-widget elementor-widget-heading\" data-id=\"2563b4d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">This might be interesting for you:<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<a class=\"elementor-element elementor-element-22785a40 e-con-full e-flex e-con e-child\" data-id=\"22785a40\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"background_background":"classic"}\" href=\"https:\/\/soundandgo.com\/so-findest-du-das-beste-usb-mikrofon-usb-mikrofone\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43bce1f4 elementor-widget elementor-widget-image\" data-id=\"43bce1f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1024x576.webp\" class=\"attachment-large size-large wp-image-13027\" alt=\"\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/04\/How-to-find-the-best-USB-microphone-for-you-Our-2024-recommendations-for-USB-microphones.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d977930 elementor-widget elementor-widget-heading\" data-id=\"5d977930\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best USB Microphones<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<a class=\"elementor-element elementor-element-4ccb81c4 e-con-full e-flex e-con e-child\" data-id=\"4ccb81c4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{"background_background":"classic"}\" href=\"https:\/\/soundandgo.com\/die-besten-studio-kopfhoerer-vergleich\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20854270 elementor-widget elementor-widget-image\" data-id=\"20854270\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp\" class=\"attachment-large size-large wp-image-9563\" alt=\"The best studio headphones - Studio headphones in comparison\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-600x338.webp 600w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dfbff47 elementor-widget elementor-widget-heading\" data-id=\"2dfbff47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best Studio Headphones<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-653e003 e-flex e-con-boxed e-con e-parent\" data-id=\"653e003\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7aec8c elementor-widget elementor-widget-global elementor-global-11602 elementor-widget-template\" data-id=\"a7aec8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"11596\" class=\"elementor elementor-11596\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31254b35 e-flex e-con-boxed e-con e-parent\" data-id=\"31254b35\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-33380e84 e-flex e-con-boxed e-con e-child\" data-id=\"33380e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570e3785 elementor-widget elementor-widget-text-editor\" data-id=\"570e3785\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Links marked with * are affiliate links. There are no additional costs for you, some of these links are with an automatic discount for you. We mark these links for transparency and would never recommend bad products. Find out more here: <a href=\"https:\/\/soundandgo.com\/en\/our-partners\/\"><b>Our partners<\/b><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-776583f9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"776583f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b86bab7 elementor-widget elementor-widget-heading\" data-id=\"6b86bab7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Our Services<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5282592a e-flex e-con-boxed e-con e-child\" data-id=\"5282592a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6c3c3271 e-con-full e-flex e-con e-child\" data-id=\"6c3c3271\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17964777 elementor-widget elementor-widget-heading\" data-id=\"17964777\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Podcast Intro<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-452e84 e-flex e-con-boxed e-con e-child\" data-id=\"452e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-670e50e2 elementor-widget elementor-widget-heading\" data-id=\"670e50e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-702b69a elementor-widget elementor-widget-image\" data-id=\"702b69a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp\" class=\"attachment-full size-full wp-image-14681\" alt=\"Podcast Intro erstellen - create podcast intro agency podcast intro erstellung\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp 1200w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-300x300.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-1024x1024.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-150x150.webp 150w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-768x768.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7094acf0 elementor-widget elementor-widget-heading\" data-id=\"7094acf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">From 149$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a995fb7 elementor-widget elementor-widget-heading\" data-id=\"a995fb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d906945 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d906945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f5ef12f e-con-full e-flex e-con e-child\" data-id=\"5f5ef12f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6afa204c elementor-widget elementor-widget-heading\" data-id=\"6afa204c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Podcast Editing<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4c91b874 e-flex e-con-boxed e-con e-child\" data-id=\"4c91b874\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22394ba7 elementor-widget elementor-widget-heading\" data-id=\"22394ba7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d6d074e elementor-widget elementor-widget-image\" data-id=\"1d6d074e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2023\/06\/Podcast-schneiden-lassen-Podcast-Schnitt.webp\" title=\"\" alt=\"Podcast schneiden lassen Podcast Schnitt sound and go soundandgo\" loading=\"lazy\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63c3e39b elementor-widget elementor-widget-heading\" data-id=\"63c3e39b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">From 95$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a6e24b2 elementor-widget elementor-widget-heading\" data-id=\"2a6e24b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24e7337c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"24e7337c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home Loudness Analyzer and LUFS Normalizer online 100% Locally in browser No Uploads No Storing No Ads Loudness Tool Loudness Tool Analyze and normalize your audio files. Everything runs locally in your browser. 1 Choose file Drop a file here or browse \u00d7 2 Analyze Starts automatically after file selection. Integrated \u2014 Range \u2014 True 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