{
  "lab": "index-tts-vs-voxcpm",
  "level": "L0",
  "updated": "2026-09-05",
  "ref_voice_id": "01-neutral",
  "verdict": "index_tts_not_deployed",
  "last_job": "index-tts-l0-20260905-073307",
  "voxcpm_clone_ok": 3,
  "index_tts_ok": 0,
  "note": "IndexTTS 欄 = edge_tts fallback（INDEX_TTS_URL 未設）；VoxCPM 三句 clone 全過；見 lowcost-qa-run-20260905.md",
  "ref_audio": "light-anchor-head10s.wav",
  "pairs": [
    { "id": "s1-neutral", "label": "中性 · 天氣播報" },
    { "id": "s2-story", "label": "敘事 · 童話語氣" },
    { "id": "s3-urgent", "label": "嚴肅 · 緊急提醒" }
  ]
}