{
  "volunteer": "v39",
  "scenario": "s2",
  "common_start": "2026-04-17T16:52:42.458000",
  "common_end": "2026-04-17T16:53:31.908000",
  "duration_sec": 49.45,
  "n_samples": 4946,
  "sampling_rate_hz": 100,
  "detected_modalities": [
    "mocap",
    "mocap_sq",
    "emg",
    "myo_quat",
    "myo_pose",
    "eyetrack",
    "pressure",
    "imu"
  ],
  "aligned_modalities": [
    "mocap",
    "emg",
    "myo_quat",
    "myo_pose",
    "eyetrack",
    "pressure",
    "imu",
    "mocap_sq"
  ],
  "active_common_modalities": [
    "mocap",
    "mocap_sq",
    "emg",
    "myo_quat",
    "eyetrack",
    "pressure",
    "imu"
  ],
  "missing_modalities": [],
  "warnings": [],
  "videos_trimmed": [
    "v39s2. Recording 2026417 165231_Dikablis Glasses 3_Scene Cam.mp4",
    "v39s2. Recording 2026417 165231_Dikablis Glasses 3_Scene Cam_Original_Eye Tracking Video.mp4"
  ],
  "sq_processed": true,
  "tips_added": true,
  "tip_scale": 0.75,
  "base_times": {
    "mocap": "2026-04-17T16:52:37.448000",
    "eyetrack": "2026-04-17T16:52:31"
  },
  "modalities": {
    "mocap": {
      "start": "2026-04-17T16:52:42.458000",
      "end": "2026-04-17T16:53:31.908000",
      "rows": 4946,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "mocap_sq": {
      "start": "2026-04-17T16:52:42.458000",
      "end": "2026-04-17T16:53:31.908000",
      "rows": 4946,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "emg": {
      "start": "2026-04-17T16:52:29",
      "end": "2026-04-17T16:53:38.500914",
      "rows": 13506,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_quat": {
      "start": "2026-04-17T16:52:29",
      "end": "2026-04-17T16:53:42.770572",
      "rows": 3607,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_pose": {
      "start": "2026-04-17T16:52:29",
      "end": "2026-04-17T16:53:02.158534",
      "rows": 15,
      "path": null,
      "paths": null,
      "include_in_common": false,
      "auxiliary": false,
      "event_stream": true
    },
    "eyetrack": {
      "start": "2026-04-17T16:52:31.024000",
      "end": "2026-04-17T16:53:34.810000",
      "rows": 7656,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "pressure": {
      "start": "2026-04-17T16:43:03.772000",
      "end": "2026-04-17T17:06:16.535000",
      "rows": 22131,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    },
    "imu": {
      "start": "2026-04-17T16:43:07.520000",
      "end": "2026-04-17T17:50:29.600000",
      "rows": 1941002,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    }
  }
}