1 Definition
A Data Type describing the spatial arrangement of the Audio Objects and the Audio Scenes in an Audio Scene valid for a Duration of Time.
2 Functional Requirements
Compared to Audio Basic Scene Descriptors Audio Scene Descriptors includes also the IDs of Audio Objects and Audio Scenes.
3 Syntax
https://schemas.mpai.community/CAE1/V2.2/data/AudioSceneDescriptors.json
4 Semantics
| Label | Size | Description |
| Header | N1 Bytes | |
| · Standard | 9 Bytes | The characters “OSD-ASD-” |
| · 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. |
| AudioSceneDescriptorsID | N5 Bytes | Identifier of the Audio Scene Descriptors. |
| AudioObjectCount | N6 Bytes | # of Audio Objects in Audio Scene |
| Time | N7 Bytes | Data about Time |
| SceneAudioObjects[] | N8 Bytes | Set of Audio Objects in Scene |
| · AudioObjectID | N9 Bytes | ID of Audio Object |
| · AudioObjectSpaceTimeAttributes | N10 Bytes | Object’s Attributes of Space-Time |
| o Space | N11 Bytes | Overrides Audio Object ID Spatial Attitude |
| o Time | N12 Bytes | Attributes of Time |
| · AudioObjectSceneAttributes[] | N13 Bytes | Set of Attributes of Audio Object ID |
| o AudioObjectAttributeID | N14 Bytes | An Attribute ID of Audio Object ID |
| o AudioObjectAttributeLength | N15 Bytes | The length in Bytes of Attribute Data |
| o AudioObjectAttributeURI | N16 Bytes | The URI of Attribute Data |
| DescrMetadata | N17 Bytes | Descriptive Metadata |
