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  "sampling_method": "Whole-device memory, GPU utilization and power sampled at a 1-second target interval plus query latency; includes other allocations.",
  "peak_gpu_mib": 11750.0,
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  "output_fps": 25,
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  "preview_sha256": "519c494173031b15ab7d8a4661e0e167c551550721a9c6ec24e10b8aee82431a",
  "screenshots": [
    {
      "file": "comfyui-settings.jpg",
      "alt": "Raw ComfyUI canvas showing the generated Indian female portrait, same Hindi female narration and tested SadTalker settings",
      "caption": "Imported ComfyUI workflow showing the portrait, Hindi audio, node connections and tested settings. Watch the measured output in the demo above."
    }
  ],
  "reproducibility_note": "The workflow JSON sets rendering options but not CPU thread limits. Set OMP_NUM_THREADS, MKL_NUM_THREADS, OPENBLAS_NUM_THREADS and NUMEXPR_NUM_THREADS to 4 for the isolated worker to reproduce this setup.",
  "audio_content_check": {
    "method": "Local faster-whisper small, Hindi language specified; machine transcript checked against intended script",
    "scope": "Recognized the overall narration; spelling and word differences in machine transcription are not treated as measured TTS pronunciation errors. No lip-sync score derived."
  },
  "observations": [
    {
      "title": "Mouth movement and head pose",
      "text": "Frames sampled every two seconds show changing lip openings and visible teeth while the head stays close to the source pose. These frame checks confirm animation, but do not measure the alignment of individual Hindi sounds."
    },
    {
      "title": "Face detail and expression",
      "text": "The face outline and hair remain recognizable in the sampled frames. The eyes appear more open than in the source in several frames, the skin looks smoother, and teeth and inner-mouth shapes change with the expression. Inspect the moving original MP4 at full size for brief artifacts. GFPGAN was enabled; this run does not isolate its effect."
    },
    {
      "title": "Audio and video duration",
      "text": "The MP4 contains both video and audio streams lasting 15.16 seconds. The prepared WAV is 15.189 seconds, a difference of about 29 milliseconds at a 25 fps output cadence. Matching durations is an export check, not a lip-sync accuracy measurement."
    }
  ]
}