Table 1.
Overview of motion specific fields for metadata in *_tracksys-<label>_motion.json file.
| Key name | Requirement level | Data type |
|---|---|---|
| SamplingFrequency | REQUIRED | number |
| ACCELChannelCount | RECOMMENDED | number |
| ANGACCChannelCount | RECOMMENDED | number |
| GYROChannelCount | RECOMMENDED | number |
| JNTANGChannelCount | RECOMMENDED | number |
| LATENCYChannelCount | RECOMMENDED | number |
| MAGNChannelCount | RECOMMENDED | number |
| MISCChannelCount | RECOMMENDED | number |
| MissingValues | RECOMMENDED | string |
| MotionChannelCount | RECOMMENDED | number |
| ORNTChannelCount | RECOMMENDED | number |
| POSChannelCount | RECOMMENDED | number |
| SamplingFrequencyEffective | RECOMMENDED | number |
| SubjectArtefactDescription | RECOMMENDED | string |
| TrackedPointsCount | RECOMMENDED | number |
| VELChannelCount | RECOMMENDED | number |
| TrackingSystemName | OPTIONAL | string |