{
  "id": 12,
  "chinese": "我们今天要讲的。",
  "french": "Nous allons parler aujourd'hui.",
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    "filename": "012.opus"
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    "start": "2025-11-24T09:18:23.302",
    "end": "2025-11-24T09:18:26.456"
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  "processing": {
    "whisper_latency_ms": 1099.0,
    "claude_latency_ms": 2022.9,
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