Definition
Audio Scene Geometry is a Data Type representing the spatial arrangement of the Audio Objects of a Scene.
Syntax
https://schemas.mpai.community/CAE/V2.1/data/AudioSceneGeometry.json
Semantics
Table 1 – Audio Scene Geometry Semantics
Label | Size | Description |
HEADER | 9 Bytes | |
· Standard | 7 Bytes | The string CAE-ASD |
· Version | 1 Byte | Major version |
· Subversion | 1 Byte | Minor version |
ASDID | 16 Bytes | UUID Identifier of Audio Scene Descriptors set. |
Time | 17 Bytes | Collects various data expressed with bits |
· 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 | |
· StartTime | 8 Bytes | Start of current Audio Scene Descriptors (in µs). |
· EndTime | 8 Bytes | End of current Audio Scene Descriptors (in µs). |
AudioObjectCount | 1 Byte | Number of Audio Objects in the Audio Scene. |
AudioObjectsData | N1 Bytes | Data associated to each Audio Object. |
· AudioObjectID | 1 Byte | ID of a specific Audio Object in the Audio Scene. |
· Reserved | 6-7 bits | |
· Spatial Attitude | N2 Bytes | Spatial Attitude of Audio Object. |