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| title: Lyric Sync | |
| emoji: 🎵 | |
| colorFrom: purple | |
| colorTo: blue | |
| sdk: gradio | |
| sdk_version: 5.29.0 | |
| app_file: app.py | |
| pinned: false | |
| license: mit | |
| suggested_hardware: zero-a10g | |
| tags: | |
| - ml-intern | |
| # 🎵 Lyric Sync | |
| Automatic perfect song lyric acquisition and synchronization. | |
| Upload any song and get word-level synchronized lyrics with sub-10ms precision. | |
| ## Pipeline | |
| 1. **Vocal Separation** — Demucs htdemucs_ft (~9.2 dB SDR) | |
| 2. **Transcription** — Whisper large-v3 with word-level timestamps | |
| 3. **Song Identification** — AcoustID fingerprinting or transcript search | |
| 4. **Lyrics Fetching** — LRCLIB (free, no auth, synced LRC) | |
| 5. **Alignment** — Sequence alignment transfers ASR timings to correct lyrics | |
| 6. **Timing Refinement** — Onset/offset detection via librosa (5.8ms resolution) | |