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<html lang="en" class="dark">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>DeepFilterNet Pro | Offline Audio Studio</title>
<!-- PWA Setup (Generated Inline) -->
<script>
const manifest = {
name: "DeepFilterNet Pro",
short_name: "DFN Pro",
start_url: ".",
display: "standalone",
background_color: "#0f172a",
theme_color: "#3b82f6",
icons: [{
src: "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233b82f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2a3 3 0 0 0-3 3v7a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3Z'/%3E%3Cpath d='M19 10v2a7 7 0 0 1-14 0v-2'/%3E%3Cline x1='12' x2='12' y1='19' y2='22'/%3E%3C/svg%3E",
sizes: "512x512",
type: "image/svg+xml"
}]
};
const manifestLink = document.createElement('link');
manifestLink.rel = 'manifest';
manifestLink.href = 'data:application/manifest+json;charset=utf-8,' + encodeURIComponent(JSON.stringify(manifest));
document.head.appendChild(manifestLink);
if ('serviceWorker' in navigator) {
const swCode = `
self.addEventListener('install', (e) => self.skipWaiting());
self.addEventListener('activate', (e) => self.clients.claim());
self.addEventListener('fetch', (e) => {});
`;
const blob = new Blob([swCode], { type: 'application/javascript' });
navigator.serviceWorker.register(URL.createObjectURL(blob)).catch(console.error);
}
</script>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://unpkg.com/lucide@latest"></script>
<!-- External Libs for Batching and MP3 Encoding -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lamejs/1.2.1/lame.min.js"></script>
<script>
tailwind.config = {
darkMode: 'class',
theme: {
extend: {
colors: { primary: { 50: '#eff6ff', 100: '#dbeafe', 500: '#3b82f6', 600: '#2563eb', 900: '#1e3a8a' } }
}
}
}
</script>
<style>
.drag-active { border-color: #3b82f6 !important; background-color: rgba(59, 130, 246, 0.1) !important; }
.hidden { display: none !important; }
.spinner { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
/* Custom Scrollbar for Queue */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
.dark ::-webkit-scrollbar-thumb { background: #334155; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }
.dark ::-webkit-scrollbar-thumb:hover { background: #475569; }
</style>
</head>
<body class="bg-slate-50 dark:bg-slate-900 text-slate-800 dark:text-slate-200 min-h-screen font-sans selection:bg-primary-500 selection:text-white pb-12 overflow-x-hidden transition-colors duration-200">
<div class="max-w-7xl mx-auto px-4 pt-8">
<!-- Header -->
<header class="flex flex-col md:flex-row items-center justify-between mb-6 gap-4 pb-4">
<div class="flex items-center gap-4">
<div class="inline-flex items-center justify-center p-3 bg-white dark:bg-primary-900/50 rounded-2xl border border-slate-200 dark:border-primary-500/30 text-primary-600 dark:text-primary-500 shadow-[0_0_15px_rgba(59,130,246,0.2)]">
<i data-lucide="mic" class="w-6 h-6"></i>
<i data-lucide="sparkles" class="w-4 h-4 absolute transform translate-x-3 -translate-y-3 text-yellow-500 dark:text-yellow-400"></i>
</div>
<div>
<h1 class="text-3xl font-bold text-slate-900 dark:text-white tracking-tight">DeepFilterNet Pro</h1>
<p class="text-slate-500 dark:text-slate-400 text-sm flex items-center gap-1">
<i data-lucide="shield-check" class="w-3 h-3 text-emerald-500 dark:text-green-400"></i> Local & Offline processing
</p>
</div>
</div>
<!-- Global Output Settings & Theme -->
<div class="flex items-center gap-4 flex-wrap justify-center">
<label class="flex items-center gap-2 cursor-pointer group bg-white dark:bg-slate-800 px-3 py-1.5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm transition-colors duration-200">
<input type="checkbox" id="normalizeCheck" checked class="w-4 h-4 rounded border-slate-300 dark:border-slate-600 bg-white dark:bg-slate-700 text-primary-500 focus:ring-primary-500 cursor-pointer">
<span class="text-sm font-medium text-slate-600 dark:text-slate-300 group-hover:text-slate-900 dark:group-hover:text-white transition-colors">Auto-Normalize</span>
</label>
<div class="flex items-center bg-slate-100 dark:bg-slate-900 rounded-lg p-1 border border-slate-200 dark:border-slate-700 shadow-sm transition-colors duration-200">
<button id="formatWav" class="px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm">WAV</button>
<button id="formatMp3" class="px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all">MP3</button>
</div>
<button id="themeToggle" class="p-2 rounded-xl bg-white dark:bg-slate-800 border border-slate-200 dark:border-slate-700 text-slate-500 dark:text-slate-400 hover:text-primary-500 transition-colors shadow-sm">
<i data-lucide="sun" class="w-5 h-5 hidden dark:block text-yellow-400"></i>
<i data-lucide="moon" class="w-5 h-5 block dark:hidden"></i>
</button>
</div>
</header>
<!-- Aesthetic Pro Controls Dashboard -->
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
<!-- Noise Reduction -->
<div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
<div class="flex justify-between items-center">
<label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
<i data-lucide="cpu" class="w-4 h-4 text-primary-500"></i> Noise Reduction
</label>
<span id="noiseLevelValue" class="text-sm text-primary-600 dark:text-primary-400 font-bold bg-primary-50 dark:bg-primary-900/30 px-2 py-0.5 rounded">100%</span>
</div>
<input type="range" id="noiseLevel" min="0" max="100" value="100" class="w-full accent-primary-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
</div>
<!-- Bass -->
<div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
<div class="flex justify-between items-center">
<label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
<i data-lucide="speaker" class="w-4 h-4 text-emerald-500"></i> Bass EQ
</label>
<span id="bassVal" class="text-sm text-emerald-600 dark:text-emerald-400 font-bold bg-emerald-50 dark:bg-emerald-900/30 px-2 py-0.5 rounded">0dB</span>
</div>
<input type="range" id="eqBass" min="-12" max="12" value="0" step="0.5" class="w-full accent-emerald-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
</div>
<!-- Treble -->
<div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
<div class="flex justify-between items-center">
<label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
<i data-lucide="audio-waveform" class="w-4 h-4 text-amber-500"></i> Treble EQ
</label>
<span id="trebleVal" class="text-sm text-amber-600 dark:text-amber-400 font-bold bg-amber-50 dark:bg-amber-900/30 px-2 py-0.5 rounded">0dB</span>
</div>
<input type="range" id="eqTreble" min="-12" max="12" value="0" step="0.5" class="w-full accent-amber-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
</div>
<!-- Gain -->
<div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
<div class="flex justify-between items-center">
<label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
<i data-lucide="volume-2" class="w-4 h-4 text-rose-500"></i> Output Gain
</label>
<span id="gainVal" class="text-sm text-rose-600 dark:text-rose-400 font-bold bg-rose-50 dark:bg-rose-900/30 px-2 py-0.5 rounded">0dB</span>
</div>
<input type="range" id="eqGain" min="-12" max="12" value="0" step="0.5" class="w-full accent-rose-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
</div>
</div>
<main class="grid lg:grid-cols-[300px_1fr] gap-6">
<!-- Sidebar: Upload & Queue -->
<aside class="flex flex-col gap-4">
<div id="dropzone" class="bg-white dark:bg-transparent border-2 border-dashed border-slate-300 dark:border-slate-600 rounded-2xl p-6 text-center cursor-pointer transition-all duration-200 hover:border-primary-500 dark:hover:bg-slate-800/80 group">
<input type="file" id="fileInput" accept="audio/*" multiple class="hidden">
<i data-lucide="file-audio" class="w-8 h-8 mx-auto text-slate-400 group-hover:text-primary-500 transition-colors mb-2"></i>
<h3 class="font-semibold text-slate-700 dark:text-white text-sm">Add Audio Files</h3>
<p class="text-slate-500 text-xs mt-1">Drag & Drop or Click</p>
</div>
<div class="bg-white dark:bg-slate-800 rounded-2xl border border-slate-200 dark:border-slate-700 flex-1 flex flex-col overflow-hidden max-h-[600px] shadow-sm">
<div class="p-4 border-b border-slate-200 dark:border-slate-700 flex justify-between items-center bg-slate-50 dark:bg-slate-800/90">
<h3 class="font-semibold text-slate-800 dark:text-white flex items-center gap-2">
<i data-lucide="list-video" class="w-4 h-4 text-slate-500"></i> Batch Queue
</h3>
<span id="queueCount" class="bg-slate-200 dark:bg-slate-700 text-xs px-2 py-0.5 rounded-full text-slate-600 dark:text-slate-300 font-medium">0 files</span>
</div>
<div id="fileList" class="overflow-y-auto flex-1 p-2 space-y-1">
<!-- Queue items render here -->
<div class="p-4 text-center text-slate-400 dark:text-slate-500 text-sm italic empty-state">Queue is empty.</div>
</div>
<div class="p-4 border-t border-slate-200 dark:border-slate-700 bg-slate-50 dark:bg-slate-800/90 space-y-3">
<button id="processBtn" disabled class="w-full flex items-center justify-center gap-2 bg-primary-600 disabled:bg-slate-200 dark:disabled:bg-slate-700 disabled:text-slate-400 dark:disabled:text-slate-500 hover:bg-primary-500 text-white px-4 py-2.5 rounded-xl font-medium transition-all shadow-sm disabled:shadow-none">
<i data-lucide="cpu" class="w-4 h-4"></i> Start Processing
</button>
<button id="downloadZipBtn" class="hidden w-full flex items-center justify-center gap-2 bg-emerald-600 hover:bg-emerald-500 text-white px-4 py-2.5 rounded-xl font-medium transition-all shadow-[0_0_15px_rgba(16,185,129,0.2)]">
<i data-lucide="archive" class="w-4 h-4"></i> Download ZIP
</button>
</div>
</div>
<p class="text-[10px] text-center text-slate-400 dark:text-slate-500 font-mono mt-[-5px]">
Shortcuts: [Space] Play, [←/→] Seek, [Del] Remove
</p>
</aside>
<!-- Main Workspace -->
<section class="bg-white dark:bg-slate-800 rounded-2xl border border-slate-200 dark:border-slate-700 flex flex-col overflow-hidden min-h-[400px] shadow-sm">
<div id="workspaceEmpty" class="flex-1 flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 p-10">
<i data-lucide="activity" class="w-16 h-16 text-slate-300 dark:text-slate-700 mb-4"></i>
<p class="text-lg text-slate-500 dark:text-slate-400">Select a file from the queue to edit</p>
</div>
<div id="workspaceActive" class="hidden flex-1 flex flex-col">
<!-- File Header -->
<div class="p-5 border-b border-slate-200 dark:border-slate-700 flex justify-between items-center bg-slate-50 dark:bg-slate-900/40">
<h2 id="activeFileName" class="text-xl font-bold text-slate-800 dark:text-white truncate max-w-[60%]">filename.wav</h2>
<!-- A/B Toggle -->
<div id="abToggleContainer" class="hidden bg-slate-200 dark:bg-slate-900 p-1 rounded-lg border border-slate-300 dark:border-slate-700 flex items-center shadow-inner">
<button id="btnOriginal" class="px-4 py-1.5 text-xs font-bold rounded-md bg-white dark:bg-slate-700 text-slate-800 dark:text-white transition-all shadow-sm">Original</button>
<button id="btnCleaned" class="px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all">Cleaned</button>
</div>
</div>
<!-- Waveform Area with Zoom -->
<div class="flex-1 flex flex-col justify-center p-6 bg-slate-50 dark:bg-slate-900/20 relative">
<!-- Zoom Slider -->
<div class="absolute top-4 right-6 flex items-center gap-2 bg-white/90 dark:bg-slate-900/80 px-2 py-1.5 rounded-lg border border-slate-200 dark:border-slate-700 z-10 shadow-sm backdrop-blur">
<i data-lucide="zoom-out" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
<input type="range" id="zoomSlider" min="0" max="200" value="0" title="Adjust Zoom (0 = Fit)" class="w-24 accent-primary-500 h-1 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer">
<i data-lucide="zoom-in" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
</div>
<div id="waveform" class="w-full"></div>
<div id="timeDisplay" class="absolute bottom-4 right-6 text-xs font-mono text-slate-500 dark:text-slate-400 bg-white/90 dark:bg-slate-900/80 px-2 py-1 rounded shadow-sm border border-slate-200 dark:border-slate-700">00:00 / 00:00</div>
</div>
<!-- Trimming & Controls -->
<div class="p-5 border-t border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-800/80">
<div class="flex flex-col md:flex-row gap-6 items-center justify-between">
<!-- Playback -->
<div class="flex items-center gap-3">
<button id="playBtn" class="w-14 h-14 flex items-center justify-center bg-primary-600 hover:bg-primary-500 text-white rounded-full transition-all shadow-lg hover:scale-105">
<span id="iconPlayWrap" class="flex items-center justify-center ml-1"><i data-lucide="play" class="w-6 h-6 fill-current"></i></span>
<span id="iconPauseWrap" class="hidden items-center justify-center"><i data-lucide="pause" class="w-6 h-6 fill-current"></i></span>
</button>
</div>
<!-- Trimming -->
<div class="flex items-center gap-2 flex-1 max-w-xl">
<i data-lucide="scissors" class="w-4 h-4 text-slate-400 dark:text-slate-500"></i>
<div class="flex items-center gap-2 bg-slate-50 dark:bg-slate-900 p-2 rounded-lg border border-slate-200 dark:border-slate-700 flex-1">
<div class="flex-1 flex flex-col">
<label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">Start (sec)</label>
<div class="flex gap-1 mt-0.5">
<input type="number" id="trimStart" step="0.1" min="0" value="0.0" class="w-full bg-white dark:bg-slate-800 text-slate-900 dark:text-white text-sm px-2 py-1 rounded border border-slate-200 dark:border-slate-600 focus:border-primary-500 outline-none font-mono">
<button id="setStartBtn" title="Set to current playhead" class="px-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 rounded text-slate-600 dark:text-slate-300 transition-colors"><i data-lucide="map-pin" class="w-3 h-3"></i></button>
</div>
</div>
<div class="w-4 border-t border-slate-300 dark:border-slate-600"></div>
<div class="flex-1 flex flex-col">
<label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">End (sec)</label>
<div class="flex gap-1 mt-0.5">
<input type="number" id="trimEnd" step="0.1" min="0" value="0.0" class="w-full bg-white dark:bg-slate-800 text-slate-900 dark:text-white text-sm px-2 py-1 rounded border border-slate-200 dark:border-slate-600 focus:border-primary-500 outline-none font-mono">
<button id="setEndBtn" title="Set to current playhead" class="px-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 rounded text-slate-600 dark:text-slate-300 transition-colors"><i data-lucide="map-pin" class="w-3 h-3"></i></button>
</div>
</div>
</div>
</div>
<!-- Download Single -->
<div>
<button id="downloadSingleBtn" class="hidden flex items-center gap-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 text-slate-800 dark:text-white px-4 py-3 rounded-lg text-sm font-medium transition-all border border-slate-300 dark:border-transparent">
<i data-lucide="download" class="w-4 h-4"></i> Save
</button>
</div>
</div>
</div>
</div>
<!-- Global Overlay for App Status -->
<div id="globalStatus" class="hidden absolute inset-0 bg-white/90 dark:bg-slate-900/80 backdrop-blur-sm z-50 flex flex-col items-center justify-center rounded-2xl">
<i data-lucide="loader-2" class="w-12 h-12 text-primary-500 spinner mb-4"></i>
<h3 id="globalStatusTitle" class="text-xl font-bold text-slate-900 dark:text-white mb-2">Initializing AI Engine...</h3>
<p id="globalStatusDesc" class="text-slate-500 dark:text-slate-400 text-sm max-w-sm text-center">Loading DeepFilterNet WebAssembly core.</p>
<div class="w-64 bg-slate-200 dark:bg-slate-800 rounded-full h-2 mt-6 overflow-hidden border border-slate-300 dark:border-slate-700">
<div id="globalProgressBar" class="bg-primary-500 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
</div>
</div>
</section>
</main>
</div>
<script type="module">
import WaveSurfer from 'https://unpkg.com/wavesurfer.js@7/dist/wavesurfer.esm.js';
// --- HUGGING FACE DIRECT FETCH INTERCEPTOR ---
if (typeof window.SharedArrayBuffer === 'undefined') { window.SharedArrayBuffer = window.ArrayBuffer; }
const originalFetch = window.fetch;
window.fetch = async function(...args) {
let request = args[0];
let reqUrl = typeof request === 'string' ? request : (request && request.url);
if (reqUrl && typeof reqUrl === 'string') {
let newUrl = null;
if (reqUrl.includes('df_bg.wasm')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/df_bg.wasm';
else if (reqUrl.includes('DeepFilterNet3_onnx.tar.gz')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/DeepFilterNet3_onnx.tar.gz';
if (newUrl) args[0] = request instanceof Request ? new Request(newUrl, request) : newUrl;
}
return originalFetch.apply(this, args);
};
// --- STATE MANAGEMENT ---
const state = {
files: [],
activeId: null,
settings: { format: 'wav', normalize: true, noiseLevel: 100, bass: 0, treble: 0, gain: 0 },
dfNetProc: null,
wavesurfer: null,
playbackMode: 'original'
};
// --- UI BINDINGS ---
lucide.createIcons();
const UI = {
dropzone: document.getElementById('dropzone'), fileInput: document.getElementById('fileInput'),
fileList: document.getElementById('fileList'), queueCount: document.getElementById('queueCount'),
processBtn: document.getElementById('processBtn'), downloadZipBtn: document.getElementById('downloadZipBtn'),
workspaceEmpty: document.getElementById('workspaceEmpty'), workspaceActive: document.getElementById('workspaceActive'),
activeFileName: document.getElementById('activeFileName'), playBtn: document.getElementById('playBtn'),
iconPlayWrap: document.getElementById('iconPlayWrap'), iconPauseWrap: document.getElementById('iconPauseWrap'),
timeDisplay: document.getElementById('timeDisplay'), trimStart: document.getElementById('trimStart'),
trimEnd: document.getElementById('trimEnd'), abToggle: document.getElementById('abToggleContainer'),
btnOriginal: document.getElementById('btnOriginal'), btnCleaned: document.getElementById('btnCleaned'),
downloadSingleBtn: document.getElementById('downloadSingleBtn'), globalStatus: document.getElementById('globalStatus'),
statusTitle: document.getElementById('globalStatusTitle'), statusDesc: document.getElementById('globalStatusDesc'),
progressBar: document.getElementById('globalProgressBar'), themeToggle: document.getElementById('themeToggle'),
zoomSlider: document.getElementById('zoomSlider')
};
// --- THEME & SETTINGS LOGIC ---
UI.themeToggle.onclick = () => { document.documentElement.classList.toggle('dark'); };
document.getElementById('noiseLevel').addEventListener('input', (e) => {
state.settings.noiseLevel = parseInt(e.target.value, 10);
document.getElementById('noiseLevelValue').textContent = e.target.value + '%';
});
document.getElementById('normalizeCheck').addEventListener('change', (e) => state.settings.normalize = e.target.checked);
// EQ Settings
const updateEqLabel = (id, val) => { const v = parseFloat(val); document.getElementById(id).textContent = (v > 0 ? '+' : '') + v + 'dB'; };
document.getElementById('eqBass').addEventListener('input', (e) => { state.settings.bass = parseFloat(e.target.value); updateEqLabel('bassVal', e.target.value); });
document.getElementById('eqTreble').addEventListener('input', (e) => { state.settings.treble = parseFloat(e.target.value); updateEqLabel('trebleVal', e.target.value); });
document.getElementById('eqGain').addEventListener('input', (e) => { state.settings.gain = parseFloat(e.target.value); updateEqLabel('gainVal', e.target.value); });
// Format Toggle
const formatWav = document.getElementById('formatWav');
const formatMp3 = document.getElementById('formatMp3');
formatWav.onclick = () => { state.settings.format = 'wav'; formatWav.className = 'px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm'; formatMp3.className = 'px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all'; };
formatMp3.onclick = () => { state.settings.format = 'mp3'; formatMp3.className = 'px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm'; formatWav.className = 'px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all'; };
// --- DRAG & DROP LOGIC ---
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, ev => { ev.preventDefault(); ev.stopPropagation(); }, false));
['dragenter', 'dragover'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.add('drag-active'), false));
['dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.remove('drag-active'), false));
UI.dropzone.addEventListener('drop', (e) => handleFiles(e.dataTransfer.files));
UI.dropzone.addEventListener('click', () => UI.fileInput.click());
UI.fileInput.addEventListener('change', (e) => handleFiles(e.target.files));
// --- KEYBOARD SHORTCUTS ---
document.addEventListener('keydown', (e) => {
if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
if (!state.activeId) return;
switch(e.code) {
case 'Space':
e.preventDefault();
if (state.wavesurfer) state.wavesurfer.playPause();
break;
case 'ArrowLeft':
e.preventDefault();
if (state.wavesurfer) state.wavesurfer.skip(-5);
break;
case 'ArrowRight':
e.preventDefault();
if (state.wavesurfer) state.wavesurfer.skip(5);
break;
case 'Delete':
case 'Backspace':
e.preventDefault();
removeFile(state.activeId);
break;
}
});
// --- FILE HANDLING & QUEUE ---
function handleFiles(files) {
let added = false;
for (let f of files) {
if (!f.type.startsWith('audio/')) continue;
const id = 'f_' + Date.now() + Math.random().toString(36).substr(2, 5);
state.files.push({
id, file: f, name: f.name, originalUrl: URL.createObjectURL(f),
cleanedUrl: null, status: 'pending', duration: 0, startTrim: 0, endTrim: 0
});
added = true;
}
if (added) {
renderQueue();
UI.processBtn.disabled = false;
if (!state.activeId && state.files.length > 0) selectFile(state.files[0].id);
}
}
function renderQueue() {
UI.fileList.innerHTML = '';
UI.queueCount.textContent = `${state.files.length} file${state.files.length !== 1 ? 's' : ''}`;
if (state.files.length === 0) {
UI.fileList.innerHTML = '<div class="p-4 text-center text-slate-400 dark:text-slate-500 text-sm italic empty-state">Queue is empty.</div>';
UI.processBtn.disabled = true;
return;
}
state.files.forEach(item => {
const el = document.createElement('div');
const isActive = item.id === state.activeId;
let icon = '<i data-lucide="clock" class="w-4 h-4 text-slate-400"></i>';
if(item.status === 'processing') icon = '<i data-lucide="loader-2" class="w-4 h-4 text-primary-500 spinner"></i>';
if(item.status === 'done') icon = '<i data-lucide="check-circle-2" class="w-4 h-4 text-emerald-500 dark:text-emerald-400"></i>';
el.className = `p-3 rounded-lg flex items-center justify-between cursor-pointer border transition-all ${isActive ? 'bg-primary-50 dark:bg-primary-900/20 border-primary-500/50' : 'bg-white dark:bg-slate-900 border-slate-200 dark:border-slate-700 hover:border-slate-300 dark:hover:border-slate-500'}`;
el.innerHTML = `
<div class="flex items-center gap-3 overflow-hidden">
${icon}
<span class="text-sm truncate text-slate-700 dark:text-slate-200 ${isActive ? 'font-semibold' : ''}">${item.name}</span>
</div>
<button class="p-1 text-slate-400 hover:text-red-500 dark:hover:text-red-400 remove-btn transition-colors" data-id="${item.id}">
<i data-lucide="x" class="w-4 h-4"></i>
</button>
`;
el.onclick = (e) => { if(!e.target.closest('.remove-btn')) selectFile(item.id); };
el.querySelector('.remove-btn').onclick = () => removeFile(item.id);
UI.fileList.appendChild(el);
});
lucide.createIcons();
const doneCount = state.files.filter(f => f.status === 'done').length;
UI.downloadZipBtn.classList.toggle('hidden', doneCount < 1);
}
function removeFile(id) {
state.files = state.files.filter(f => f.id !== id);
if (state.activeId === id) {
state.activeId = null;
UI.workspaceActive.classList.add('hidden');
UI.workspaceEmpty.classList.remove('hidden');
if (state.wavesurfer) state.wavesurfer.destroy();
state.wavesurfer = null;
}
renderQueue();
}
// --- WORKSPACE & WAVESURFER ---
async function selectFile(id) {
state.activeId = id;
renderQueue();
const item = state.files.find(f => f.id === id);
UI.workspaceEmpty.classList.add('hidden');
UI.workspaceActive.classList.remove('hidden');
UI.activeFileName.textContent = item.name;
if (item.status === 'done') {
UI.abToggle.classList.remove('hidden');
UI.downloadSingleBtn.classList.remove('hidden');
setPlaybackMode('cleaned', item);
} else {
UI.abToggle.classList.add('hidden');
UI.downloadSingleBtn.classList.add('hidden');
setPlaybackMode('original', item);
}
initWavesurfer(item);
}
function initWavesurfer(item) {
if (state.wavesurfer) state.wavesurfer.destroy();
state.wavesurfer = WaveSurfer.create({
container: '#waveform',
waveColor: '#94a3b8',
progressColor: '#3b82f6',
cursorColor: '#60a5fa',
barWidth: 2,
barGap: 1,
barRadius: 2,
height: 120,
normalize: true,
});
const loadUrl = state.playbackMode === 'cleaned' ? item.cleanedUrl : item.originalUrl;
state.wavesurfer.load(loadUrl);
// By passing 0 to zoom initially, it defaults to fitting within the container boundary
UI.zoomSlider.value = 0;
state.wavesurfer.on('ready', () => {
const duration = state.wavesurfer.getDuration();
if (item.duration === 0) {
item.duration = duration;
item.endTrim = duration;
}
UI.trimStart.max = duration;
UI.trimEnd.max = duration;
UI.trimStart.value = item.startTrim.toFixed(1);
UI.trimEnd.value = item.endTrim.toFixed(1);
updateTimeDisplay();
// Reset Play Icon State
UI.iconPlayWrap.classList.remove('hidden');
UI.iconPlayWrap.classList.add('flex');
UI.iconPauseWrap.classList.add('hidden');
UI.iconPauseWrap.classList.remove('flex');
});
state.wavesurfer.on('audioprocess', updateTimeDisplay);
state.wavesurfer.on('seek', updateTimeDisplay);
// Morph Play Button accurately without erasing Lucide SVG mappings
state.wavesurfer.on('play', () => {
UI.iconPlayWrap.classList.add('hidden');
UI.iconPlayWrap.classList.remove('flex');
UI.iconPauseWrap.classList.remove('hidden');
UI.iconPauseWrap.classList.add('flex');
});
state.wavesurfer.on('pause', () => {
UI.iconPauseWrap.classList.add('hidden');
UI.iconPauseWrap.classList.remove('flex');
UI.iconPlayWrap.classList.remove('hidden');
UI.iconPlayWrap.classList.add('flex');
});
}
UI.zoomSlider.addEventListener('input', (e) => {
if (state.wavesurfer) state.wavesurfer.zoom(Number(e.target.value));
});
function updateTimeDisplay() {
if(!state.wavesurfer) return;
const cur = state.wavesurfer.getCurrentTime();
const tot = state.wavesurfer.getDuration() || 0;
UI.timeDisplay.textContent = `${formatTime(cur)} / ${formatTime(tot)}`;
const item = state.files.find(f => f.id === state.activeId);
if(item && item.status === 'pending') {
if (cur > item.endTrim && state.wavesurfer.isPlaying()) {
state.wavesurfer.pause();
state.wavesurfer.setTime(item.startTrim);
}
}
}
function formatTime(sec) {
const m = Math.floor(sec / 60);
const s = Math.floor(sec % 60);
return `${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
}
UI.playBtn.onclick = () => state.wavesurfer && state.wavesurfer.playPause();
document.getElementById('setStartBtn').onclick = () => {
if(!state.wavesurfer) return;
UI.trimStart.value = state.wavesurfer.getCurrentTime().toFixed(1);
saveTrim();
};
document.getElementById('setEndBtn').onclick = () => {
if(!state.wavesurfer) return;
UI.trimEnd.value = state.wavesurfer.getCurrentTime().toFixed(1);
saveTrim();
};
UI.trimStart.onchange = saveTrim;
UI.trimEnd.onchange = saveTrim;
function saveTrim() {
const item = state.files.find(f => f.id === state.activeId);
if(!item || item.status !== 'pending') return;
let start = parseFloat(UI.trimStart.value) || 0;
let end = parseFloat(UI.trimEnd.value) || item.duration;
if(start < 0) start = 0;
if(end > item.duration) end = item.duration;
if(start >= end) start = end - 0.1;
UI.trimStart.value = start.toFixed(1);
UI.trimEnd.value = end.toFixed(1);
item.startTrim = start;
item.endTrim = end;
}
// A/B Toggle Logic
UI.btnOriginal.onclick = () => setPlaybackMode('original', state.files.find(f=>f.id===state.activeId));
UI.btnCleaned.onclick = () => setPlaybackMode('cleaned', state.files.find(f=>f.id===state.activeId));
function setPlaybackMode(mode, item) {
if (!item || !state.wavesurfer) return;
state.playbackMode = mode;
if (mode === 'original') {
UI.btnOriginal.className = 'px-4 py-1.5 text-xs font-bold rounded-md bg-white dark:bg-slate-700 text-slate-800 dark:text-white transition-all shadow-sm';
UI.btnCleaned.className = 'px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all';
state.wavesurfer.setOptions({ waveColor: '#94a3b8', progressColor: '#cbd5e1' });
} else {
UI.btnCleaned.className = 'px-4 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm';
UI.btnOriginal.className = 'px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all';
state.wavesurfer.setOptions({ waveColor: '#1e3a8a', progressColor: '#3b82f6' });
}
const curTime = state.wavesurfer.getCurrentTime();
const wasPlaying = state.wavesurfer.isPlaying();
state.wavesurfer.load(mode === 'cleaned' ? item.cleanedUrl : item.originalUrl).then(() => {
state.wavesurfer.setTime(curTime);
if(wasPlaying) state.wavesurfer.play();
});
}
// --- PROCESSING ENGINE (THE HEAVY LIFTING) ---
function setGlobalStatus(show, title='', desc='', progress=0) {
if (!show) { UI.globalStatus.classList.add('hidden'); return; }
UI.globalStatus.classList.remove('hidden');
UI.statusTitle.textContent = title;
UI.statusDesc.textContent = desc;
UI.progressBar.style.width = `${progress}%`;
}
UI.processBtn.onclick = async () => {
const pending = state.files.filter(f => f.status === 'pending');
if (pending.length === 0) return;
setGlobalStatus(true, "Initializing AI Engine...", "Loading DeepFilterNet WebAssembly core.", 10);
try {
if (!state.dfNetProc) {
const dfModule = await import('https://esm.sh/deepfilternet3-noise-filter@1.2.1');
const ProcessorClass = dfModule.DeepFilterNet3Core || dfModule.DeepFilterNoiseFilterProcessor;
state.dfNetProc = new ProcessorClass({
sampleRate: 48000,
noiseReductionLevel: state.settings.noiseLevel,
assetConfig: { cdnUrl: 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main' }
});
await state.dfNetProc.initialize();
} else {
state.dfNetProc.noiseReductionLevel = state.settings.noiseLevel;
}
const audioCtx = new (window.AudioContext || window.webkitAudioContext)({ sampleRate: 48000 });
for (let i = 0; i < pending.length; i++) {
const item = pending[i];
item.status = 'processing';
renderQueue();
const p = 10 + Math.floor((i / pending.length) * 90);
setGlobalStatus(true, `Processing File ${i+1} of ${pending.length}`, `Cleaning: ${item.name}`, p);
const arrayBuffer = await item.file.arrayBuffer();
let decodedBuffer = await audioCtx.decodeAudioData(arrayBuffer);
if (item.endTrim > 0 && (item.startTrim > 0 || item.endTrim < decodedBuffer.duration)) {
const startSample = Math.floor(item.startTrim * 48000);
let endSample = Math.floor(item.endTrim * 48000);
if (endSample > decodedBuffer.length) endSample = decodedBuffer.length;
const len = endSample - startSample;
const trimmed = new AudioContext({sampleRate:48000}).createBuffer(decodedBuffer.numberOfChannels, len, 48000);
for(let c=0; c<decodedBuffer.numberOfChannels; c++){
trimmed.copyToChannel(decodedBuffer.getChannelData(c).subarray(startSample, endSample), c);
}
decodedBuffer = trimmed;
}
const offlineCtx = new OfflineAudioContext(1, decodedBuffer.length, 48000);
const sourceNode = offlineCtx.createBufferSource();
if (decodedBuffer.numberOfChannels > 1) {
const mono = offlineCtx.createBuffer(1, decodedBuffer.length, 48000);
const data = mono.getChannelData(0), left = decodedBuffer.getChannelData(0), right = decodedBuffer.getChannelData(1);
for (let j = 0; j < decodedBuffer.length; j++) data[j] = (left[j] + right[j]) / 2;
sourceNode.buffer = mono;
} else {
sourceNode.buffer = decodedBuffer;
}
// Audio Pipeline: Source -> DeepFilterNet -> Bass -> Treble -> Gain -> Destination
const dfNode = await state.dfNetProc.createAudioWorkletNode(offlineCtx);
const bassEq = offlineCtx.createBiquadFilter();
bassEq.type = 'lowshelf';
bassEq.frequency.value = 250;
bassEq.gain.value = state.settings.bass;
const trebleEq = offlineCtx.createBiquadFilter();
trebleEq.type = 'highshelf';
trebleEq.frequency.value = 4000;
trebleEq.gain.value = state.settings.treble;
const gainNode = offlineCtx.createGain();
gainNode.gain.value = Math.pow(10, state.settings.gain / 20);
sourceNode.connect(dfNode);
dfNode.connect(bassEq);
bassEq.connect(trebleEq);
trebleEq.connect(gainNode);
gainNode.connect(offlineCtx.destination);
sourceNode.start(0);
const renderedBuffer = await offlineCtx.startRendering();
if (state.settings.normalize) {
const dat = renderedBuffer.getChannelData(0);
let max = 0;
for(let j=0; j<dat.length; j++) { if(Math.abs(dat[j]) > max) max = Math.abs(dat[j]); }
if (max > 0) {
const multiplier = 0.95 / max;
for(let j=0; j<dat.length; j++) dat[j] *= multiplier;
}
}
let outBlob;
if (state.settings.format === 'mp3') {
setGlobalStatus(true, `Encoding MP3...`, `Compressing: ${item.name}`, p+5);
outBlob = encodeToMP3(renderedBuffer);
} else {
outBlob = audioBufferToWav(renderedBuffer);
}
item.cleanedUrl = URL.createObjectURL(outBlob);
item.blob = outBlob;
item.status = 'done';
decodedBuffer = null;
}
setGlobalStatus(false);
renderQueue();
if(state.activeId) selectFile(state.activeId);
} catch (err) {
console.error(err);
alert("An error occurred during processing. Check console.");
setGlobalStatus(false);
}
};
// --- ENCODERS ---
function audioBufferToWav(buffer) {
const numOfChan = buffer.numberOfChannels, len = buffer.length * numOfChan * 2 + 44;
const view = new DataView(new ArrayBuffer(len)), channels = [];
let offset = 0, pos = 0;
const setU16 = d => { view.setUint16(offset, d, true); offset += 2; };
const setU32 = d => { view.setUint32(offset, d, true); offset += 4; };
setU32(0x46464952); setU32(len - 8); setU32(0x45564157); setU32(0x20746d66); setU32(16); setU16(1); setU16(numOfChan);
setU32(buffer.sampleRate); setU32(buffer.sampleRate * 2 * numOfChan); setU16(numOfChan * 2); setU16(16); setU32(0x61746164); setU32(len - pos - 4);
for(let i=0; i<numOfChan; i++) channels.push(buffer.getChannelData(i));
while(pos < buffer.length) {
for(let i=0; i<numOfChan; i++) {
let s = Math.max(-1, Math.min(1, channels[i][pos]));
setU16(s < 0 ? s * 0x8000 : s * 0x7FFF);
}
pos++;
}
return new Blob([view.buffer], { type: "audio/wav" });
}
function encodeToMP3(audioBuffer) {
const encoder = new lamejs.Mp3Encoder(1, audioBuffer.sampleRate, 192);
const samples = audioBuffer.getChannelData(0);
const mp3Data = [];
const blockSize = 1152;
const int16Samples = new Int16Array(samples.length);
for (let i = 0; i < samples.length; i++) {
let s = Math.max(-1, Math.min(1, samples[i]));
int16Samples[i] = s < 0 ? s * 0x8000 : s * 0x7FFF;
}
for (let i = 0; i < int16Samples.length; i += blockSize) {
const chunk = int16Samples.subarray(i, i + blockSize);
const buf = encoder.encodeBuffer(chunk);
if (buf.length > 0) mp3Data.push(buf);
}
const flush = encoder.flush();
if (flush.length > 0) mp3Data.push(flush);
return new Blob(mp3Data, { type: 'audio/mp3' });
}
// --- DOWNLOAD ACTIONS ---
UI.downloadSingleBtn.onclick = () => {
const item = state.files.find(f => f.id === state.activeId);
if(!item || !item.cleanedUrl) return;
const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
const a = document.createElement('a');
a.href = item.cleanedUrl;
a.download = `Cleaned_${item.name.replace(/\.[^/.]+$/, "")}${ext}`;
a.click();
};
UI.downloadZipBtn.onclick = async () => {
const doneFiles = state.files.filter(f => f.status === 'done');
if(doneFiles.length === 0) return;
const zip = new JSZip();
const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
doneFiles.forEach(f => {
const safeName = `Cleaned_${f.name.replace(/\.[^/.]+$/, "")}${ext}`;
zip.file(safeName, f.blob);
});
setGlobalStatus(true, "Zipping files...", "Compressing your audio batch");
const content = await zip.generateAsync({type:"blob"});
setGlobalStatus(false);
const a = document.createElement('a');
a.href = URL.createObjectURL(content);
a.download = "DeepFilterNet_Batch.zip";
a.click();
};
</script>
</body>
</html> |