1 Definition
A Data Type describing the Audio Objects and their spatial arrangement in an Audio Scene.
2 Functional Requirements
Audio Basic Scene Descriptors includes:
- The ID of a Virtual Space where they are or will be located.
- The ID of the Audio Scene Descriptors.
- The number of Audio Objects in the Scene.
- The Audio Scene Space-Time info.
- The Audio Objects including, for each Audio Object:
- The Audio Object Space-Time.
- The Audio Object Data.
3 Syntax
https://schemas.mpai.community/CAE1/V2.2/data/AudioBasicSceneDescriptors.json
4 Semantics
Label | Size | Description |
Header | N1 Bytes | Audio Basic Scene Descriptors Header |
– Standard-Audio Basic Scene | 9 Bytes | The characters “OSD-ABS-V” |
– Version | N2 Bytes | Major version – 1 or 2 characters |
– Dot-separator | 1 Byte | The character “.” |
– Subversion | N3 Bytes | Minor version – 1 or 2 characters |
MInstanceID | N4 Bytes | Identifier of M-Instance. |
AudioBasicSceneDescriptorsID | N5 Bytes | Identifier of the AV Object. |
AudioObjectCount | N6 Bytes | Number of Objects in Scene. |
AudioBasicSceneSpaceTime | N7 Bytes | Data about the Audio Scene’s Space-Time. |
AudioBasicSceneDescriptorsData[] | N8 Bytes | Set of Audio Objects. |
– AudioObjectSpaceTime | N9 Bytes | Space-Time info of Audio Object. |
– AudioObjectData | N10 Bytes | Audio Object Data. |
DescrMetadata | N11 Bytes | Descriptive Metadata. |