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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Smart Earbud Volume Controller</title> | |
| <!-- ONNX Runtime Web for running Silero VAD locally in browser --> | |
| <script src="https://cdn.jsdelivr.net/npm/onnxruntime-web/dist/ort.min.js"></script> | |
| <!-- ONNX VAD Helper library --> | |
| <script src="https://cdn.jsdelivr.net/npm/@vapi-ai/vads-web/dist/index.umd.js"></script> | |
| <style> | |
| body { | |
| font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; | |
| background-color: #0f172a; | |
| color: #f8fafc; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| min-height: 100vh; | |
| margin: 0; | |
| } | |
| .card { | |
| background-color: #1e293b; | |
| padding: 2rem; | |
| border-radius: 12px; | |
| box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5); | |
| max-width: 450px; | |
| width: 100%; | |
| text-align: center; | |
| } | |
| button { | |
| background-color: #3b82f6; | |
| color: white; | |
| border: none; | |
| padding: 0.75rem 1.5rem; | |
| font-size: 1rem; | |
| font-weight: 600; | |
| border-radius: 8px; | |
| cursor: pointer; | |
| margin-bottom: 1rem; | |
| transition: background-color 0.2s; | |
| } | |
| button:hover { background-color: #2563eb; } | |
| button:disabled { background-color: #64748b; cursor: not-allowed; } | |
| .status-box { | |
| margin-top: 1.5rem; | |
| padding: 1rem; | |
| border-radius: 8px; | |
| background-color: #334155; | |
| font-weight: 500; | |
| } | |
| .speaking { background-color: #991b1b; color: #fca5a5; } | |
| .silent { background-color: #065f46; color: #a7f3d0; } | |
| audio { width: 100%; margin-top: 1rem; } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="card"> | |
| <h2>Auto-Ducking Earbud Simulator</h2> | |
| <p>Play audio below, then start the microphone. When speech is detected, audio volume will automatically drop.</p> | |
| <audio id="audioPlayer" controls loop src="https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3"></audio> | |
| <br/><br/> | |
| <button id="startBtn">Start Voice Detection</button> | |
| <div id="status" class="status-box silent">Status: Inactive</div> | |
| </div> | |
| <script> | |
| let vad; | |
| const audioPlayer = document.getElementById('audioPlayer'); | |
| const startBtn = document.getElementById('startBtn'); | |
| const statusDiv = document.getElementById('status'); | |
| let restoreTimeout; | |
| startBtn.addEventListener('click', async () => { | |
| try { | |
| startBtn.disabled = true; | |
| startBtn.innerText = "Initializing VAD..."; | |
| // Initialize VAD Engine | |
| vad = await vad.MicVAD.new({ | |
| onSpeechStart: () => { | |
| statusDiv.innerText = "Speech Detected: Lowering Volume"; | |
| statusDiv.className = "status-box speaking"; | |
| audioPlayer.volume = 0.2; // DUCK VOLUME (20%) | |
| if (restoreTimeout) clearTimeout(restoreTimeout); | |
| }, | |
| onSpeechEnd: () => { | |
| statusDiv.innerText = "Silence: Restoring Volume soon..."; | |
| // Hold lower volume for 1.5s after speech stops | |
| restoreTimeout = setTimeout(() => { | |
| audioPlayer.volume = 1.0; // RESTORE VOLUME (100%) | |
| statusDiv.innerText = "Monitoring Environment..."; | |
| statusDiv.className = "status-box silent"; | |
| }, 1500); | |
| } | |
| }); | |
| vad.start(); | |
| startBtn.innerText = "Listening..."; | |
| statusDiv.innerText = "Monitoring Environment..."; | |
| } catch (e) { | |
| console.error(e); | |
| alert("Microphone access denied or error loading model."); | |
| startBtn.disabled = false; | |
| startBtn.innerText = "Start Voice Detection"; | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |