{
  "volunteer": "v31",
  "scenario": "s1",
  "common_start": "2026-03-28T14:38:18.169000",
  "common_end": "2026-03-28T14:39:02.829000",
  "duration_sec": 44.66,
  "n_samples": 4467,
  "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": [
    "v31s1. Recording 2026328 143805_Dikablis Glasses 3_Scene Cam.mp4",
    "v31s1. Recording 2026328 143805_Dikablis Glasses 3_Scene Cam_Original_Eye Tracking Video.mp4"
  ],
  "sq_processed": true,
  "tips_added": true,
  "tip_scale": 0.75,
  "base_times": {
    "mocap": "2026-03-28T14:38:11.479000",
    "eyetrack": "2026-03-28T14:38:05"
  },
  "modalities": {
    "mocap": {
      "start": "2026-03-28T14:38:18.169000",
      "end": "2026-03-28T14:39:02.829000",
      "rows": 4467,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "mocap_sq": {
      "start": "2026-03-28T14:38:18.169000",
      "end": "2026-03-28T14:39:02.829000",
      "rows": 4467,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "emg": {
      "start": "2026-03-28T14:38:03",
      "end": "2026-03-28T14:39:12.847406",
      "rows": 13906,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_quat": {
      "start": "2026-03-28T14:38:03",
      "end": "2026-03-28T14:39:27.662766",
      "rows": 4229,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_pose": {
      "start": "2026-03-28T14:38:03",
      "end": "2026-03-28T14:38:51.373894",
      "rows": 14,
      "path": null,
      "paths": null,
      "include_in_common": false,
      "auxiliary": false,
      "event_stream": true
    },
    "eyetrack": {
      "start": "2026-03-28T14:38:05.036000",
      "end": "2026-03-28T14:39:07.221000",
      "rows": 7464,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "pressure": {
      "start": "2026-03-28T14:35:09.713000",
      "end": "2026-03-28T14:56:46.686000",
      "rows": 18787,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    },
    "imu": {
      "start": "2026-03-28T14:35:13.916000",
      "end": "2026-03-28T15:49:22.780000",
      "rows": 2189592,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    }
  }
}