{
  "volunteer": "v21",
  "scenario": "s7",
  "common_start": "2025-12-29T17:30:51.155000",
  "common_end": "2025-12-29T17:31:58.995000",
  "duration_sec": 67.84,
  "n_samples": 6785,
  "sampling_rate_hz": 100,
  "detected_modalities": [
    "mocap",
    "mocap_sq",
    "emg",
    "myo_quat",
    "myo_pose",
    "eyetrack",
    "imu"
  ],
  "aligned_modalities": [
    "mocap",
    "emg",
    "myo_quat",
    "myo_pose",
    "eyetrack",
    "imu",
    "mocap_sq"
  ],
  "active_common_modalities": [
    "mocap",
    "mocap_sq",
    "emg",
    "myo_quat",
    "eyetrack",
    "imu"
  ],
  "missing_modalities": [
    "pressure"
  ],
  "warnings": [],
  "videos_trimmed": [
    "v21s7. Recording 20251229 173038_Dikablis Glasses 3_Scene Cam.mp4",
    "v21s7. Recording 20251229 173038_Dikablis Glasses 3_Scene Cam_Original_Eye Tracking Video.mp4"
  ],
  "sq_processed": true,
  "tips_added": true,
  "tip_scale": 0.75,
  "base_times": {
    "mocap": "2025-12-29T17:30:36.835000",
    "eyetrack": "2025-12-29T17:30:38"
  },
  "modalities": {
    "mocap": {
      "start": "2025-12-29T17:30:51.155000",
      "end": "2025-12-29T17:31:58.995000",
      "rows": 6785,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "mocap_sq": {
      "start": "2025-12-29T17:30:51.155000",
      "end": "2025-12-29T17:31:58.995000",
      "rows": 6785,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "emg": {
      "start": "2025-12-29T17:30:46",
      "end": "2025-12-29T17:32:00.118994",
      "rows": 14796,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_quat": {
      "start": "2025-12-29T17:30:46",
      "end": "2025-12-29T17:32:05.533211",
      "rows": 3983,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "myo_pose": {
      "start": "2025-12-29T17:30:46",
      "end": "2025-12-29T17:31:55.704334",
      "rows": 21,
      "path": null,
      "paths": null,
      "include_in_common": false,
      "auxiliary": false,
      "event_stream": true
    },
    "eyetrack": {
      "start": "2025-12-29T17:30:38",
      "end": "2025-12-29T17:32:02.900000",
      "rows": 8491,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": false,
      "event_stream": false
    },
    "imu": {
      "start": "2025-12-29T16:47:46.523000",
      "end": "2025-12-29T17:48:03.970000",
      "rows": 1786684,
      "path": null,
      "paths": null,
      "include_in_common": true,
      "auxiliary": true,
      "event_stream": false
    }
  }
}