Human-Skills Graded Scenario Q&A

{
  "clip_id": "PD-025-000412",
  "duration_s": 184.6,
  "sample_rate_hz": 44100,
  "channels": 2,
  "channel_roles": [
    "speaker_1",
    "speaker_2"
  ],
  "language": "en",
  "speech_onset_s": [
    0.42,
    1.98
  ],
  "overlap_ratio": 0.071
}

The record above is synthetic: the field list and types are the real delivery schema, the values are not from the set. Full field documentation, including every optional column, ships with the pilot batch so you can write the loader before the data lands.