{
  "scope": "original_tone_fixture_only",
  "contains_speech": false,
  "model_inference": false,
  "sources": [
    {
      "file": "dialogue-person-a-tone.wav",
      "duration_seconds": 0.5,
      "frames": 24000,
      "sample_rate": 48000,
      "channels": 1,
      "frequency_hz": 440,
      "sha256": "81f713ec92d5df84956263a1fcaa5e70b8c8c2ad1d06e4965f7aea4fa0f729c9"
    },
    {
      "file": "dialogue-person-b-tone.wav",
      "duration_seconds": 0.75,
      "frames": 36000,
      "sample_rate": 48000,
      "channels": 1,
      "frequency_hz": 660,
      "sha256": "524af08d423ea28c24e282de56867df700bd3e075eae8c2ef5a106394dff769f"
    }
  ],
  "sequential_exercise": {
    "gap_seconds": 0.25,
    "person_2_start_seconds": 0.75,
    "equal_track_duration_seconds": 1.5,
    "preview_gain_per_person": 0.5
  },
  "unverified": "Speech accuracy, speaker assignment, lip sync, generated video quality and model compatibility"
}