{
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  "file_path": "video_storage/audio/9bZkp7q19f0.mp3",
  "file_size_mb": 5.77,
  "download_date": "2025-08-27T19:46:43.315192",
  "format": "mp3",
  "quality": "192kbps",
  "transcription_engine": "faster_whisper",
  "model_used": "base",
  "device": "cpu",
  "compute_type": "int8",
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  "quality_score": 1.0,
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  "vad_enabled": true,
  "beam_size": 3,
  "duration_seconds": 252.215,
  "duration_formatted": "4:12",
  "speed_ratio": 11.9,
  "realtime_factor": "11.9x faster than realtime"
}