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1 Parent(s): 9dbb619

Create Df3-aesthetic1

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Here are the key improvements based on your requests:

Aesthetic Big Controls: I created a beautiful, prominent 4-column "Dashboard" row for your AI and Post-Processing controls (Noise Reduction, Bass, Treble, Gain). The sliders are much wider, feature matching icons, and clearly display their specific values in dedicated badges.

Fixed Play/Pause Morph: I corrected a bug with how the SVG icons were rendering. The Play button now properly instantly switches to the Pause icon during playback and seamlessly switches back when paused.

Perfect Waveform Zoom: I altered the zoom engine. By default, the slider snaps to 0 (Fully Zoomed Out), which dynamically calculates your screen width and forces the exact audio duration into the window—guaranteeing no horizontal scrollbars while providing a complete view of the spectrum.

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1
+ <!DOCTYPE html>
2
+ <html lang="en" class="dark">
3
+ <head>
4
+ <meta charset="UTF-8">
5
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
6
+ <title>DeepFilterNet Pro | Offline Audio Studio</title>
7
+
8
+ <!-- PWA Setup (Generated Inline) -->
9
+ <script>
10
+ const manifest = {
11
+ name: "DeepFilterNet Pro",
12
+ short_name: "DFN Pro",
13
+ start_url: ".",
14
+ display: "standalone",
15
+ background_color: "#0f172a",
16
+ theme_color: "#3b82f6",
17
+ icons: [{
18
+ 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",
19
+ sizes: "512x512",
20
+ type: "image/svg+xml"
21
+ }]
22
+ };
23
+ const manifestLink = document.createElement('link');
24
+ manifestLink.rel = 'manifest';
25
+ manifestLink.href = 'data:application/manifest+json;charset=utf-8,' + encodeURIComponent(JSON.stringify(manifest));
26
+ document.head.appendChild(manifestLink);
27
+
28
+ if ('serviceWorker' in navigator) {
29
+ const swCode = `
30
+ self.addEventListener('install', (e) => self.skipWaiting());
31
+ self.addEventListener('activate', (e) => self.clients.claim());
32
+ self.addEventListener('fetch', (e) => {});
33
+ `;
34
+ const blob = new Blob([swCode], { type: 'application/javascript' });
35
+ navigator.serviceWorker.register(URL.createObjectURL(blob)).catch(console.error);
36
+ }
37
+ </script>
38
+
39
+ <script src="https://cdn.tailwindcss.com"></script>
40
+ <script src="https://unpkg.com/lucide@latest"></script>
41
+
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+ <!-- External Libs for Batching and MP3 Encoding -->
43
+ <script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
44
+ <script src="https://cdnjs.cloudflare.com/ajax/libs/lamejs/1.2.1/lame.min.js"></script>
45
+
46
+ <script>
47
+ tailwind.config = {
48
+ darkMode: 'class',
49
+ theme: {
50
+ extend: {
51
+ colors: { primary: { 50: '#eff6ff', 100: '#dbeafe', 500: '#3b82f6', 600: '#2563eb', 900: '#1e3a8a' } }
52
+ }
53
+ }
54
+ }
55
+ </script>
56
+ <style>
57
+ .drag-active { border-color: #3b82f6 !important; background-color: rgba(59, 130, 246, 0.1) !important; }
58
+ .hidden { display: none !important; }
59
+ .spinner { animation: spin 1s linear infinite; }
60
+ @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
61
+ /* Custom Scrollbar for Queue */
62
+ ::-webkit-scrollbar { width: 6px; }
63
+ ::-webkit-scrollbar-track { background: transparent; }
64
+ ::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
65
+ .dark ::-webkit-scrollbar-thumb { background: #334155; }
66
+ ::-webkit-scrollbar-thumb:hover { background: #64748b; }
67
+ .dark ::-webkit-scrollbar-thumb:hover { background: #475569; }
68
+ </style>
69
+ </head>
70
+ <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">
71
+
72
+ <div class="max-w-7xl mx-auto px-4 pt-8">
73
+
74
+ <!-- Header -->
75
+ <header class="flex flex-col md:flex-row items-center justify-between mb-6 gap-4 pb-4">
76
+ <div class="flex items-center gap-4">
77
+ <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)]">
78
+ <i data-lucide="mic" class="w-6 h-6"></i>
79
+ <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>
80
+ </div>
81
+ <div>
82
+ <h1 class="text-3xl font-bold text-slate-900 dark:text-white tracking-tight">DeepFilterNet Pro</h1>
83
+ <p class="text-slate-500 dark:text-slate-400 text-sm flex items-center gap-1">
84
+ <i data-lucide="shield-check" class="w-3 h-3 text-emerald-500 dark:text-green-400"></i> Local & Offline processing
85
+ </p>
86
+ </div>
87
+ </div>
88
+
89
+ <!-- Global Output Settings & Theme -->
90
+ <div class="flex items-center gap-4 flex-wrap justify-center">
91
+ <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">
92
+ <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">
93
+ <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>
94
+ </label>
95
+
96
+ <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">
97
+ <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>
98
+ <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>
99
+ </div>
100
+
101
+ <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">
102
+ <i data-lucide="sun" class="w-5 h-5 hidden dark:block text-yellow-400"></i>
103
+ <i data-lucide="moon" class="w-5 h-5 block dark:hidden"></i>
104
+ </button>
105
+ </div>
106
+ </header>
107
+
108
+ <!-- Aesthetic Pro Controls Dashboard -->
109
+ <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
110
+ <!-- Noise Reduction -->
111
+ <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">
112
+ <div class="flex justify-between items-center">
113
+ <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
114
+ <i data-lucide="cpu" class="w-4 h-4 text-primary-500"></i> Noise Reduction
115
+ </label>
116
+ <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>
117
+ </div>
118
+ <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">
119
+ </div>
120
+
121
+ <!-- Bass -->
122
+ <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">
123
+ <div class="flex justify-between items-center">
124
+ <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
125
+ <i data-lucide="speaker" class="w-4 h-4 text-emerald-500"></i> Bass EQ
126
+ </label>
127
+ <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>
128
+ </div>
129
+ <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">
130
+ </div>
131
+
132
+ <!-- Treble -->
133
+ <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">
134
+ <div class="flex justify-between items-center">
135
+ <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
136
+ <i data-lucide="audio-waveform" class="w-4 h-4 text-amber-500"></i> Treble EQ
137
+ </label>
138
+ <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>
139
+ </div>
140
+ <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">
141
+ </div>
142
+
143
+ <!-- Gain -->
144
+ <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">
145
+ <div class="flex justify-between items-center">
146
+ <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
147
+ <i data-lucide="volume-2" class="w-4 h-4 text-rose-500"></i> Output Gain
148
+ </label>
149
+ <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>
150
+ </div>
151
+ <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">
152
+ </div>
153
+ </div>
154
+
155
+ <main class="grid lg:grid-cols-[300px_1fr] gap-6">
156
+ <!-- Sidebar: Upload & Queue -->
157
+ <aside class="flex flex-col gap-4">
158
+ <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">
159
+ <input type="file" id="fileInput" accept="audio/*" multiple class="hidden">
160
+ <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>
161
+ <h3 class="font-semibold text-slate-700 dark:text-white text-sm">Add Audio Files</h3>
162
+ <p class="text-slate-500 text-xs mt-1">Drag & Drop or Click</p>
163
+ </div>
164
+
165
+ <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">
166
+ <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">
167
+ <h3 class="font-semibold text-slate-800 dark:text-white flex items-center gap-2">
168
+ <i data-lucide="list-video" class="w-4 h-4 text-slate-500"></i> Batch Queue
169
+ </h3>
170
+ <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>
171
+ </div>
172
+ <div id="fileList" class="overflow-y-auto flex-1 p-2 space-y-1">
173
+ <!-- Queue items render here -->
174
+ <div class="p-4 text-center text-slate-400 dark:text-slate-500 text-sm italic empty-state">Queue is empty.</div>
175
+ </div>
176
+
177
+ <div class="p-4 border-t border-slate-200 dark:border-slate-700 bg-slate-50 dark:bg-slate-800/90 space-y-3">
178
+ <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">
179
+ <i data-lucide="cpu" class="w-4 h-4"></i> Start Processing
180
+ </button>
181
+ <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)]">
182
+ <i data-lucide="archive" class="w-4 h-4"></i> Download ZIP
183
+ </button>
184
+ </div>
185
+ </div>
186
+
187
+ <p class="text-[10px] text-center text-slate-400 dark:text-slate-500 font-mono mt-[-5px]">
188
+ Shortcuts: [Space] Play, [←/→] Seek, [Del] Remove
189
+ </p>
190
+ </aside>
191
+
192
+ <!-- Main Workspace -->
193
+ <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">
194
+
195
+ <div id="workspaceEmpty" class="flex-1 flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 p-10">
196
+ <i data-lucide="activity" class="w-16 h-16 text-slate-300 dark:text-slate-700 mb-4"></i>
197
+ <p class="text-lg text-slate-500 dark:text-slate-400">Select a file from the queue to edit</p>
198
+ </div>
199
+
200
+ <div id="workspaceActive" class="hidden flex-1 flex flex-col">
201
+ <!-- File Header -->
202
+ <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">
203
+ <h2 id="activeFileName" class="text-xl font-bold text-slate-800 dark:text-white truncate max-w-[60%]">filename.wav</h2>
204
+
205
+ <!-- A/B Toggle -->
206
+ <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">
207
+ <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>
208
+ <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>
209
+ </div>
210
+ </div>
211
+
212
+ <!-- Waveform Area with Zoom -->
213
+ <div class="flex-1 flex flex-col justify-center p-6 bg-slate-50 dark:bg-slate-900/20 relative">
214
+ <!-- Zoom Slider -->
215
+ <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">
216
+ <i data-lucide="zoom-out" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
217
+ <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">
218
+ <i data-lucide="zoom-in" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
219
+ </div>
220
+
221
+ <div id="waveform" class="w-full"></div>
222
+ <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>
223
+ </div>
224
+
225
+ <!-- Trimming & Controls -->
226
+ <div class="p-5 border-t border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-800/80">
227
+ <div class="flex flex-col md:flex-row gap-6 items-center justify-between">
228
+
229
+ <!-- Playback -->
230
+ <div class="flex items-center gap-3">
231
+ <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">
232
+ <span id="iconPlayWrap" class="flex items-center justify-center ml-1"><i data-lucide="play" class="w-6 h-6 fill-current"></i></span>
233
+ <span id="iconPauseWrap" class="hidden items-center justify-center"><i data-lucide="pause" class="w-6 h-6 fill-current"></i></span>
234
+ </button>
235
+ </div>
236
+
237
+ <!-- Trimming -->
238
+ <div class="flex items-center gap-2 flex-1 max-w-xl">
239
+ <i data-lucide="scissors" class="w-4 h-4 text-slate-400 dark:text-slate-500"></i>
240
+ <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">
241
+ <div class="flex-1 flex flex-col">
242
+ <label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">Start (sec)</label>
243
+ <div class="flex gap-1 mt-0.5">
244
+ <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">
245
+ <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>
246
+ </div>
247
+ </div>
248
+ <div class="w-4 border-t border-slate-300 dark:border-slate-600"></div>
249
+ <div class="flex-1 flex flex-col">
250
+ <label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">End (sec)</label>
251
+ <div class="flex gap-1 mt-0.5">
252
+ <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">
253
+ <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>
254
+ </div>
255
+ </div>
256
+ </div>
257
+ </div>
258
+
259
+ <!-- Download Single -->
260
+ <div>
261
+ <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">
262
+ <i data-lucide="download" class="w-4 h-4"></i> Save
263
+ </button>
264
+ </div>
265
+
266
+ </div>
267
+ </div>
268
+ </div>
269
+
270
+ <!-- Global Overlay for App Status -->
271
+ <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">
272
+ <i data-lucide="loader-2" class="w-12 h-12 text-primary-500 spinner mb-4"></i>
273
+ <h3 id="globalStatusTitle" class="text-xl font-bold text-slate-900 dark:text-white mb-2">Initializing AI Engine...</h3>
274
+ <p id="globalStatusDesc" class="text-slate-500 dark:text-slate-400 text-sm max-w-sm text-center">Loading DeepFilterNet WebAssembly core.</p>
275
+
276
+ <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">
277
+ <div id="globalProgressBar" class="bg-primary-500 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
278
+ </div>
279
+ </div>
280
+
281
+ </section>
282
+ </main>
283
+ </div>
284
+
285
+ <script type="module">
286
+ import WaveSurfer from 'https://unpkg.com/wavesurfer.js@7/dist/wavesurfer.esm.js';
287
+
288
+ // --- HUGGING FACE DIRECT FETCH INTERCEPTOR ---
289
+ if (typeof window.SharedArrayBuffer === 'undefined') { window.SharedArrayBuffer = window.ArrayBuffer; }
290
+ const originalFetch = window.fetch;
291
+ window.fetch = async function(...args) {
292
+ let request = args[0];
293
+ let reqUrl = typeof request === 'string' ? request : (request && request.url);
294
+ if (reqUrl && typeof reqUrl === 'string') {
295
+ let newUrl = null;
296
+ if (reqUrl.includes('df_bg.wasm')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/df_bg.wasm';
297
+ else if (reqUrl.includes('DeepFilterNet3_onnx.tar.gz')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/DeepFilterNet3_onnx.tar.gz';
298
+ if (newUrl) args[0] = request instanceof Request ? new Request(newUrl, request) : newUrl;
299
+ }
300
+ return originalFetch.apply(this, args);
301
+ };
302
+
303
+ // --- STATE MANAGEMENT ---
304
+ const state = {
305
+ files: [],
306
+ activeId: null,
307
+ settings: { format: 'wav', normalize: true, noiseLevel: 100, bass: 0, treble: 0, gain: 0 },
308
+ dfNetProc: null,
309
+ wavesurfer: null,
310
+ playbackMode: 'original'
311
+ };
312
+
313
+ // --- UI BINDINGS ---
314
+ lucide.createIcons();
315
+ const UI = {
316
+ dropzone: document.getElementById('dropzone'), fileInput: document.getElementById('fileInput'),
317
+ fileList: document.getElementById('fileList'), queueCount: document.getElementById('queueCount'),
318
+ processBtn: document.getElementById('processBtn'), downloadZipBtn: document.getElementById('downloadZipBtn'),
319
+ workspaceEmpty: document.getElementById('workspaceEmpty'), workspaceActive: document.getElementById('workspaceActive'),
320
+ activeFileName: document.getElementById('activeFileName'), playBtn: document.getElementById('playBtn'),
321
+ iconPlayWrap: document.getElementById('iconPlayWrap'), iconPauseWrap: document.getElementById('iconPauseWrap'),
322
+ timeDisplay: document.getElementById('timeDisplay'), trimStart: document.getElementById('trimStart'),
323
+ trimEnd: document.getElementById('trimEnd'), abToggle: document.getElementById('abToggleContainer'),
324
+ btnOriginal: document.getElementById('btnOriginal'), btnCleaned: document.getElementById('btnCleaned'),
325
+ downloadSingleBtn: document.getElementById('downloadSingleBtn'), globalStatus: document.getElementById('globalStatus'),
326
+ statusTitle: document.getElementById('globalStatusTitle'), statusDesc: document.getElementById('globalStatusDesc'),
327
+ progressBar: document.getElementById('globalProgressBar'), themeToggle: document.getElementById('themeToggle'),
328
+ zoomSlider: document.getElementById('zoomSlider')
329
+ };
330
+
331
+ // --- THEME & SETTINGS LOGIC ---
332
+ UI.themeToggle.onclick = () => { document.documentElement.classList.toggle('dark'); };
333
+
334
+ document.getElementById('noiseLevel').addEventListener('input', (e) => {
335
+ state.settings.noiseLevel = parseInt(e.target.value, 10);
336
+ document.getElementById('noiseLevelValue').textContent = e.target.value + '%';
337
+ });
338
+ document.getElementById('normalizeCheck').addEventListener('change', (e) => state.settings.normalize = e.target.checked);
339
+
340
+ // EQ Settings
341
+ const updateEqLabel = (id, val) => { const v = parseFloat(val); document.getElementById(id).textContent = (v > 0 ? '+' : '') + v + 'dB'; };
342
+ document.getElementById('eqBass').addEventListener('input', (e) => { state.settings.bass = parseFloat(e.target.value); updateEqLabel('bassVal', e.target.value); });
343
+ document.getElementById('eqTreble').addEventListener('input', (e) => { state.settings.treble = parseFloat(e.target.value); updateEqLabel('trebleVal', e.target.value); });
344
+ document.getElementById('eqGain').addEventListener('input', (e) => { state.settings.gain = parseFloat(e.target.value); updateEqLabel('gainVal', e.target.value); });
345
+
346
+ // Format Toggle
347
+ const formatWav = document.getElementById('formatWav');
348
+ const formatMp3 = document.getElementById('formatMp3');
349
+ 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'; };
350
+ 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'; };
351
+
352
+ // --- DRAG & DROP LOGIC ---
353
+ ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, ev => { ev.preventDefault(); ev.stopPropagation(); }, false));
354
+ ['dragenter', 'dragover'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.add('drag-active'), false));
355
+ ['dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.remove('drag-active'), false));
356
+
357
+ UI.dropzone.addEventListener('drop', (e) => handleFiles(e.dataTransfer.files));
358
+ UI.dropzone.addEventListener('click', () => UI.fileInput.click());
359
+ UI.fileInput.addEventListener('change', (e) => handleFiles(e.target.files));
360
+
361
+ // --- KEYBOARD SHORTCUTS ---
362
+ document.addEventListener('keydown', (e) => {
363
+ if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
364
+ if (!state.activeId) return;
365
+
366
+ switch(e.code) {
367
+ case 'Space':
368
+ e.preventDefault();
369
+ if (state.wavesurfer) state.wavesurfer.playPause();
370
+ break;
371
+ case 'ArrowLeft':
372
+ e.preventDefault();
373
+ if (state.wavesurfer) state.wavesurfer.skip(-5);
374
+ break;
375
+ case 'ArrowRight':
376
+ e.preventDefault();
377
+ if (state.wavesurfer) state.wavesurfer.skip(5);
378
+ break;
379
+ case 'Delete':
380
+ case 'Backspace':
381
+ e.preventDefault();
382
+ removeFile(state.activeId);
383
+ break;
384
+ }
385
+ });
386
+
387
+ // --- FILE HANDLING & QUEUE ---
388
+ function handleFiles(files) {
389
+ let added = false;
390
+ for (let f of files) {
391
+ if (!f.type.startsWith('audio/')) continue;
392
+ const id = 'f_' + Date.now() + Math.random().toString(36).substr(2, 5);
393
+ state.files.push({
394
+ id, file: f, name: f.name, originalUrl: URL.createObjectURL(f),
395
+ cleanedUrl: null, status: 'pending', duration: 0, startTrim: 0, endTrim: 0
396
+ });
397
+ added = true;
398
+ }
399
+ if (added) {
400
+ renderQueue();
401
+ UI.processBtn.disabled = false;
402
+ if (!state.activeId && state.files.length > 0) selectFile(state.files[0].id);
403
+ }
404
+ }
405
+
406
+ function renderQueue() {
407
+ UI.fileList.innerHTML = '';
408
+ UI.queueCount.textContent = `${state.files.length} file${state.files.length !== 1 ? 's' : ''}`;
409
+ if (state.files.length === 0) {
410
+ 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>';
411
+ UI.processBtn.disabled = true;
412
+ return;
413
+ }
414
+
415
+ state.files.forEach(item => {
416
+ const el = document.createElement('div');
417
+ const isActive = item.id === state.activeId;
418
+
419
+ let icon = '<i data-lucide="clock" class="w-4 h-4 text-slate-400"></i>';
420
+ if(item.status === 'processing') icon = '<i data-lucide="loader-2" class="w-4 h-4 text-primary-500 spinner"></i>';
421
+ if(item.status === 'done') icon = '<i data-lucide="check-circle-2" class="w-4 h-4 text-emerald-500 dark:text-emerald-400"></i>';
422
+
423
+ 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'}`;
424
+ el.innerHTML = `
425
+ <div class="flex items-center gap-3 overflow-hidden">
426
+ ${icon}
427
+ <span class="text-sm truncate text-slate-700 dark:text-slate-200 ${isActive ? 'font-semibold' : ''}">${item.name}</span>
428
+ </div>
429
+ <button class="p-1 text-slate-400 hover:text-red-500 dark:hover:text-red-400 remove-btn transition-colors" data-id="${item.id}">
430
+ <i data-lucide="x" class="w-4 h-4"></i>
431
+ </button>
432
+ `;
433
+ el.onclick = (e) => { if(!e.target.closest('.remove-btn')) selectFile(item.id); };
434
+ el.querySelector('.remove-btn').onclick = () => removeFile(item.id);
435
+ UI.fileList.appendChild(el);
436
+ });
437
+ lucide.createIcons();
438
+
439
+ const doneCount = state.files.filter(f => f.status === 'done').length;
440
+ UI.downloadZipBtn.classList.toggle('hidden', doneCount < 1);
441
+ }
442
+
443
+ function removeFile(id) {
444
+ state.files = state.files.filter(f => f.id !== id);
445
+ if (state.activeId === id) {
446
+ state.activeId = null;
447
+ UI.workspaceActive.classList.add('hidden');
448
+ UI.workspaceEmpty.classList.remove('hidden');
449
+ if (state.wavesurfer) state.wavesurfer.destroy();
450
+ state.wavesurfer = null;
451
+ }
452
+ renderQueue();
453
+ }
454
+
455
+ // --- WORKSPACE & WAVESURFER ---
456
+ async function selectFile(id) {
457
+ state.activeId = id;
458
+ renderQueue();
459
+ const item = state.files.find(f => f.id === id);
460
+
461
+ UI.workspaceEmpty.classList.add('hidden');
462
+ UI.workspaceActive.classList.remove('hidden');
463
+ UI.activeFileName.textContent = item.name;
464
+
465
+ if (item.status === 'done') {
466
+ UI.abToggle.classList.remove('hidden');
467
+ UI.downloadSingleBtn.classList.remove('hidden');
468
+ setPlaybackMode('cleaned', item);
469
+ } else {
470
+ UI.abToggle.classList.add('hidden');
471
+ UI.downloadSingleBtn.classList.add('hidden');
472
+ setPlaybackMode('original', item);
473
+ }
474
+
475
+ initWavesurfer(item);
476
+ }
477
+
478
+ function initWavesurfer(item) {
479
+ if (state.wavesurfer) state.wavesurfer.destroy();
480
+
481
+ state.wavesurfer = WaveSurfer.create({
482
+ container: '#waveform',
483
+ waveColor: '#94a3b8',
484
+ progressColor: '#3b82f6',
485
+ cursorColor: '#60a5fa',
486
+ barWidth: 2,
487
+ barGap: 1,
488
+ barRadius: 2,
489
+ height: 120,
490
+ normalize: true,
491
+ });
492
+
493
+ const loadUrl = state.playbackMode === 'cleaned' ? item.cleanedUrl : item.originalUrl;
494
+ state.wavesurfer.load(loadUrl);
495
+
496
+ // By passing 0 to zoom initially, it defaults to fitting within the container boundary
497
+ UI.zoomSlider.value = 0;
498
+
499
+ state.wavesurfer.on('ready', () => {
500
+ const duration = state.wavesurfer.getDuration();
501
+ if (item.duration === 0) {
502
+ item.duration = duration;
503
+ item.endTrim = duration;
504
+ }
505
+
506
+ UI.trimStart.max = duration;
507
+ UI.trimEnd.max = duration;
508
+ UI.trimStart.value = item.startTrim.toFixed(1);
509
+ UI.trimEnd.value = item.endTrim.toFixed(1);
510
+
511
+ updateTimeDisplay();
512
+
513
+ // Reset Play Icon State
514
+ UI.iconPlayWrap.classList.remove('hidden');
515
+ UI.iconPlayWrap.classList.add('flex');
516
+ UI.iconPauseWrap.classList.add('hidden');
517
+ UI.iconPauseWrap.classList.remove('flex');
518
+ });
519
+
520
+ state.wavesurfer.on('audioprocess', updateTimeDisplay);
521
+ state.wavesurfer.on('seek', updateTimeDisplay);
522
+
523
+ // Morph Play Button accurately without erasing Lucide SVG mappings
524
+ state.wavesurfer.on('play', () => {
525
+ UI.iconPlayWrap.classList.add('hidden');
526
+ UI.iconPlayWrap.classList.remove('flex');
527
+ UI.iconPauseWrap.classList.remove('hidden');
528
+ UI.iconPauseWrap.classList.add('flex');
529
+ });
530
+ state.wavesurfer.on('pause', () => {
531
+ UI.iconPauseWrap.classList.add('hidden');
532
+ UI.iconPauseWrap.classList.remove('flex');
533
+ UI.iconPlayWrap.classList.remove('hidden');
534
+ UI.iconPlayWrap.classList.add('flex');
535
+ });
536
+ }
537
+
538
+ UI.zoomSlider.addEventListener('input', (e) => {
539
+ if (state.wavesurfer) state.wavesurfer.zoom(Number(e.target.value));
540
+ });
541
+
542
+ function updateTimeDisplay() {
543
+ if(!state.wavesurfer) return;
544
+ const cur = state.wavesurfer.getCurrentTime();
545
+ const tot = state.wavesurfer.getDuration() || 0;
546
+ UI.timeDisplay.textContent = `${formatTime(cur)} / ${formatTime(tot)}`;
547
+
548
+ const item = state.files.find(f => f.id === state.activeId);
549
+ if(item && item.status === 'pending') {
550
+ if (cur > item.endTrim && state.wavesurfer.isPlaying()) {
551
+ state.wavesurfer.pause();
552
+ state.wavesurfer.setTime(item.startTrim);
553
+ }
554
+ }
555
+ }
556
+
557
+ function formatTime(sec) {
558
+ const m = Math.floor(sec / 60);
559
+ const s = Math.floor(sec % 60);
560
+ return `${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
561
+ }
562
+
563
+ UI.playBtn.onclick = () => state.wavesurfer && state.wavesurfer.playPause();
564
+
565
+ document.getElementById('setStartBtn').onclick = () => {
566
+ if(!state.wavesurfer) return;
567
+ UI.trimStart.value = state.wavesurfer.getCurrentTime().toFixed(1);
568
+ saveTrim();
569
+ };
570
+ document.getElementById('setEndBtn').onclick = () => {
571
+ if(!state.wavesurfer) return;
572
+ UI.trimEnd.value = state.wavesurfer.getCurrentTime().toFixed(1);
573
+ saveTrim();
574
+ };
575
+ UI.trimStart.onchange = saveTrim;
576
+ UI.trimEnd.onchange = saveTrim;
577
+
578
+ function saveTrim() {
579
+ const item = state.files.find(f => f.id === state.activeId);
580
+ if(!item || item.status !== 'pending') return;
581
+ let start = parseFloat(UI.trimStart.value) || 0;
582
+ let end = parseFloat(UI.trimEnd.value) || item.duration;
583
+ if(start < 0) start = 0;
584
+ if(end > item.duration) end = item.duration;
585
+ if(start >= end) start = end - 0.1;
586
+
587
+ UI.trimStart.value = start.toFixed(1);
588
+ UI.trimEnd.value = end.toFixed(1);
589
+ item.startTrim = start;
590
+ item.endTrim = end;
591
+ }
592
+
593
+ // A/B Toggle Logic
594
+ UI.btnOriginal.onclick = () => setPlaybackMode('original', state.files.find(f=>f.id===state.activeId));
595
+ UI.btnCleaned.onclick = () => setPlaybackMode('cleaned', state.files.find(f=>f.id===state.activeId));
596
+
597
+ function setPlaybackMode(mode, item) {
598
+ if (!item || !state.wavesurfer) return;
599
+ state.playbackMode = mode;
600
+
601
+ if (mode === 'original') {
602
+ 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';
603
+ 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';
604
+ state.wavesurfer.setOptions({ waveColor: '#94a3b8', progressColor: '#cbd5e1' });
605
+ } else {
606
+ UI.btnCleaned.className = 'px-4 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm';
607
+ 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';
608
+ state.wavesurfer.setOptions({ waveColor: '#1e3a8a', progressColor: '#3b82f6' });
609
+ }
610
+
611
+ const curTime = state.wavesurfer.getCurrentTime();
612
+ const wasPlaying = state.wavesurfer.isPlaying();
613
+
614
+ state.wavesurfer.load(mode === 'cleaned' ? item.cleanedUrl : item.originalUrl).then(() => {
615
+ state.wavesurfer.setTime(curTime);
616
+ if(wasPlaying) state.wavesurfer.play();
617
+ });
618
+ }
619
+
620
+ // --- PROCESSING ENGINE (THE HEAVY LIFTING) ---
621
+ function setGlobalStatus(show, title='', desc='', progress=0) {
622
+ if (!show) { UI.globalStatus.classList.add('hidden'); return; }
623
+ UI.globalStatus.classList.remove('hidden');
624
+ UI.statusTitle.textContent = title;
625
+ UI.statusDesc.textContent = desc;
626
+ UI.progressBar.style.width = `${progress}%`;
627
+ }
628
+
629
+ UI.processBtn.onclick = async () => {
630
+ const pending = state.files.filter(f => f.status === 'pending');
631
+ if (pending.length === 0) return;
632
+
633
+ setGlobalStatus(true, "Initializing AI Engine...", "Loading DeepFilterNet WebAssembly core.", 10);
634
+
635
+ try {
636
+ if (!state.dfNetProc) {
637
+ const dfModule = await import('https://esm.sh/deepfilternet3-noise-filter@1.2.1');
638
+ const ProcessorClass = dfModule.DeepFilterNet3Core || dfModule.DeepFilterNoiseFilterProcessor;
639
+
640
+ state.dfNetProc = new ProcessorClass({
641
+ sampleRate: 48000,
642
+ noiseReductionLevel: state.settings.noiseLevel,
643
+ assetConfig: { cdnUrl: 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main' }
644
+ });
645
+ await state.dfNetProc.initialize();
646
+ } else {
647
+ state.dfNetProc.noiseReductionLevel = state.settings.noiseLevel;
648
+ }
649
+
650
+ const audioCtx = new (window.AudioContext || window.webkitAudioContext)({ sampleRate: 48000 });
651
+
652
+ for (let i = 0; i < pending.length; i++) {
653
+ const item = pending[i];
654
+ item.status = 'processing';
655
+ renderQueue();
656
+
657
+ const p = 10 + Math.floor((i / pending.length) * 90);
658
+ setGlobalStatus(true, `Processing File ${i+1} of ${pending.length}`, `Cleaning: ${item.name}`, p);
659
+
660
+ const arrayBuffer = await item.file.arrayBuffer();
661
+ let decodedBuffer = await audioCtx.decodeAudioData(arrayBuffer);
662
+
663
+ if (item.endTrim > 0 && (item.startTrim > 0 || item.endTrim < decodedBuffer.duration)) {
664
+ const startSample = Math.floor(item.startTrim * 48000);
665
+ let endSample = Math.floor(item.endTrim * 48000);
666
+ if (endSample > decodedBuffer.length) endSample = decodedBuffer.length;
667
+
668
+ const len = endSample - startSample;
669
+ const trimmed = new AudioContext({sampleRate:48000}).createBuffer(decodedBuffer.numberOfChannels, len, 48000);
670
+ for(let c=0; c<decodedBuffer.numberOfChannels; c++){
671
+ trimmed.copyToChannel(decodedBuffer.getChannelData(c).subarray(startSample, endSample), c);
672
+ }
673
+ decodedBuffer = trimmed;
674
+ }
675
+
676
+ const offlineCtx = new OfflineAudioContext(1, decodedBuffer.length, 48000);
677
+ const sourceNode = offlineCtx.createBufferSource();
678
+
679
+ if (decodedBuffer.numberOfChannels > 1) {
680
+ const mono = offlineCtx.createBuffer(1, decodedBuffer.length, 48000);
681
+ const data = mono.getChannelData(0), left = decodedBuffer.getChannelData(0), right = decodedBuffer.getChannelData(1);
682
+ for (let j = 0; j < decodedBuffer.length; j++) data[j] = (left[j] + right[j]) / 2;
683
+ sourceNode.buffer = mono;
684
+ } else {
685
+ sourceNode.buffer = decodedBuffer;
686
+ }
687
+
688
+ // Audio Pipeline: Source -> DeepFilterNet -> Bass -> Treble -> Gain -> Destination
689
+ const dfNode = await state.dfNetProc.createAudioWorkletNode(offlineCtx);
690
+
691
+ const bassEq = offlineCtx.createBiquadFilter();
692
+ bassEq.type = 'lowshelf';
693
+ bassEq.frequency.value = 250;
694
+ bassEq.gain.value = state.settings.bass;
695
+
696
+ const trebleEq = offlineCtx.createBiquadFilter();
697
+ trebleEq.type = 'highshelf';
698
+ trebleEq.frequency.value = 4000;
699
+ trebleEq.gain.value = state.settings.treble;
700
+
701
+ const gainNode = offlineCtx.createGain();
702
+ gainNode.gain.value = Math.pow(10, state.settings.gain / 20);
703
+
704
+ sourceNode.connect(dfNode);
705
+ dfNode.connect(bassEq);
706
+ bassEq.connect(trebleEq);
707
+ trebleEq.connect(gainNode);
708
+ gainNode.connect(offlineCtx.destination);
709
+
710
+ sourceNode.start(0);
711
+
712
+ const renderedBuffer = await offlineCtx.startRendering();
713
+
714
+ if (state.settings.normalize) {
715
+ const dat = renderedBuffer.getChannelData(0);
716
+ let max = 0;
717
+ for(let j=0; j<dat.length; j++) { if(Math.abs(dat[j]) > max) max = Math.abs(dat[j]); }
718
+ if (max > 0) {
719
+ const multiplier = 0.95 / max;
720
+ for(let j=0; j<dat.length; j++) dat[j] *= multiplier;
721
+ }
722
+ }
723
+
724
+ let outBlob;
725
+ if (state.settings.format === 'mp3') {
726
+ setGlobalStatus(true, `Encoding MP3...`, `Compressing: ${item.name}`, p+5);
727
+ outBlob = encodeToMP3(renderedBuffer);
728
+ } else {
729
+ outBlob = audioBufferToWav(renderedBuffer);
730
+ }
731
+
732
+ item.cleanedUrl = URL.createObjectURL(outBlob);
733
+ item.blob = outBlob;
734
+ item.status = 'done';
735
+ decodedBuffer = null;
736
+ }
737
+
738
+ setGlobalStatus(false);
739
+ renderQueue();
740
+ if(state.activeId) selectFile(state.activeId);
741
+
742
+ } catch (err) {
743
+ console.error(err);
744
+ alert("An error occurred during processing. Check console.");
745
+ setGlobalStatus(false);
746
+ }
747
+ };
748
+
749
+ // --- ENCODERS ---
750
+ function audioBufferToWav(buffer) {
751
+ const numOfChan = buffer.numberOfChannels, len = buffer.length * numOfChan * 2 + 44;
752
+ const view = new DataView(new ArrayBuffer(len)), channels = [];
753
+ let offset = 0, pos = 0;
754
+ const setU16 = d => { view.setUint16(offset, d, true); offset += 2; };
755
+ const setU32 = d => { view.setUint32(offset, d, true); offset += 4; };
756
+
757
+ setU32(0x46464952); setU32(len - 8); setU32(0x45564157); setU32(0x20746d66); setU32(16); setU16(1); setU16(numOfChan);
758
+ setU32(buffer.sampleRate); setU32(buffer.sampleRate * 2 * numOfChan); setU16(numOfChan * 2); setU16(16); setU32(0x61746164); setU32(len - pos - 4);
759
+
760
+ for(let i=0; i<numOfChan; i++) channels.push(buffer.getChannelData(i));
761
+
762
+ while(pos < buffer.length) {
763
+ for(let i=0; i<numOfChan; i++) {
764
+ let s = Math.max(-1, Math.min(1, channels[i][pos]));
765
+ setU16(s < 0 ? s * 0x8000 : s * 0x7FFF);
766
+ }
767
+ pos++;
768
+ }
769
+ return new Blob([view.buffer], { type: "audio/wav" });
770
+ }
771
+
772
+ function encodeToMP3(audioBuffer) {
773
+ const encoder = new lamejs.Mp3Encoder(1, audioBuffer.sampleRate, 192);
774
+ const samples = audioBuffer.getChannelData(0);
775
+ const mp3Data = [];
776
+ const blockSize = 1152;
777
+ const int16Samples = new Int16Array(samples.length);
778
+
779
+ for (let i = 0; i < samples.length; i++) {
780
+ let s = Math.max(-1, Math.min(1, samples[i]));
781
+ int16Samples[i] = s < 0 ? s * 0x8000 : s * 0x7FFF;
782
+ }
783
+
784
+ for (let i = 0; i < int16Samples.length; i += blockSize) {
785
+ const chunk = int16Samples.subarray(i, i + blockSize);
786
+ const buf = encoder.encodeBuffer(chunk);
787
+ if (buf.length > 0) mp3Data.push(buf);
788
+ }
789
+
790
+ const flush = encoder.flush();
791
+ if (flush.length > 0) mp3Data.push(flush);
792
+ return new Blob(mp3Data, { type: 'audio/mp3' });
793
+ }
794
+
795
+ // --- DOWNLOAD ACTIONS ---
796
+ UI.downloadSingleBtn.onclick = () => {
797
+ const item = state.files.find(f => f.id === state.activeId);
798
+ if(!item || !item.cleanedUrl) return;
799
+ const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
800
+ const a = document.createElement('a');
801
+ a.href = item.cleanedUrl;
802
+ a.download = `Cleaned_${item.name.replace(/\.[^/.]+$/, "")}${ext}`;
803
+ a.click();
804
+ };
805
+
806
+ UI.downloadZipBtn.onclick = async () => {
807
+ const doneFiles = state.files.filter(f => f.status === 'done');
808
+ if(doneFiles.length === 0) return;
809
+
810
+ const zip = new JSZip();
811
+ const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
812
+
813
+ doneFiles.forEach(f => {
814
+ const safeName = `Cleaned_${f.name.replace(/\.[^/.]+$/, "")}${ext}`;
815
+ zip.file(safeName, f.blob);
816
+ });
817
+
818
+ setGlobalStatus(true, "Zipping files...", "Compressing your audio batch");
819
+ const content = await zip.generateAsync({type:"blob"});
820
+ setGlobalStatus(false);
821
+
822
+ const a = document.createElement('a');
823
+ a.href = URL.createObjectURL(content);
824
+ a.download = "DeepFilterNet_Batch.zip";
825
+ a.click();
826
+ };
827
+ </script>
828
+ </body>
829
+ </html>