Definition
Audio-Visual Scene Geometry is a digital representation of the spatial arrangement of the Objects of the Visual Scene.
Syntax
https://schemas.mpai.community/OSD/V1.0/data/AudioVisualSceneGeometry.json
Semantics
| Label | Size | Description |
| HEADER | 9 Bytes | |
| · Standard | 7 Bytes | The string OSD-VSD |
| · Version | 1 Byte | Major version |
| · Subversion | 1 Byte | Minor |
| AVGID | 16 Bytes | UUID Identifier of the total set of Audio-Visual Scene Geometries. |
| Time | 17 Bytes | Collects various time-related data. |
| · TimeType | 0 bit | 0=Relative: time starts at 0000/00/00T00:00
1=Absolute: time starts at 1970/01/01T00:00. |
| · Reserved | 1-7 bits | reserved |
| · StartTime | 8 Bytes | Start time of current Audio-Visual Scene Descriptors (in microseconds). |
| · EndTime | 8 Bytes | End time of current Audio-Visual Scene Descriptors (in microseconds). |
| AVObjectCount | 1 Byte | Number of Objects in Scene. |
| AVObjectData | N1 Bytes | Data associated to each Object. |
| · SpatialAttitude | N2 Bytes | N2=N1-N3(or N4)-3 |
