{
  "volunteer": "v28",
  "scenario": "s1",
  "common_start": "2026-03-27T10:41:28.692000",
  "common_end": "2026-03-27T10:42:11.392000",
  "duration_sec": 42.7,
  "n_samples": 4271,
  "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": [
    "v28s1. Recording 2026327 104058_Dikablis Glasses 3_Scene Cam.mp4",
    "v28s1. Recording 2026327 104058_Dikablis Glasses 3_Scene Cam_Original_Eye Tracking Video.mp4"
  ],
  "sq_processed": true,
  "tips_added": true,
  "tip_scale": 0.75,
  "base_times": {
    "mocap": "2026-03-27T10:41:04.462000",
    "eyetrack": "2026-03-27T10:40:58"
  },
  "modalities": {
    "mocap": {
      "start": "2026-03-27T10:41:28.692000",
      "end": "2026-03-27T10:42:11.392000",
      "rows": 4271,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "mocap_sq": {
      "start": "2026-03-27T10:41:28.692000",
      "end": "2026-03-27T10:42:11.392000",
      "rows": 4271,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "emg": {
      "start": "2026-03-27T10:41:18",
      "end": "2026-03-27T10:42:23.388889",
      "rows": 11406,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_quat": {
      "start": "2026-03-27T10:41:18",
      "end": "2026-03-27T10:42:31.770494",
      "rows": 3289,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_pose": {
      "start": "2026-03-27T10:41:18",
      "end": "2026-03-27T10:41:49.072441",
      "rows": 12,
      "path": null,
      "paths": null,
      "include_in_common": false,
      "auxiliary": false,
      "event_stream": true
    },
    "eyetrack": {
      "start": "2026-03-27T10:40:58.043000",
      "end": "2026-03-27T10:42:20.044000",
      "rows": 9842,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "pressure": {
      "start": "2026-03-27T10:40:14.147000",
      "end": "2026-03-27T11:21:38.647000",
      "rows": 35636,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    },
    "imu": {
      "start": "2026-03-27T10:40:23.993000",
      "end": "2026-04-13T16:23:32.910000",
      "rows": 4125730,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    }
  }
}