1 Definition
A Data Type including the Objects of an Audio-Visual Scene and their arrangement in the Scene.
2 Functional Requirements
Audio-Visual Basic Scene Descriptors includes:
- The ID of a Virtual Space where the Audio-Visual Basic Scene are is or is intended to be located.
- The ID of the Audio-Visual Basic Scene Descriptors.
- The number of
- Audio Objects in the Audio-Visual Basic Scene.
- Visual Objects in the Audio-Visual Basic Scene.
- Audio-Visual Objects in the Audio-Visual Basic Scene.
- The Audio-Visual Basic Scene Space-Time info.
- The Audio Objects including, for each Audio Object:
- The Audio Object Space-Time.
- The Audio Object.
- The Visual Objects including, for each Visual Object:
- The Visual Object Space-Time.
- The Visual Object.
- The Audio-Visual Objects including, for each Audio-Visual Object:
- The Audio-Visual Object Space-Time.
- The Audio-Visual Object.
3 Syntax
https://schemas.mpai.community/OSD/V1.1/data/AudioVisualBasicSceneDescriptors.json
4 Semantics
Label | Size | Description |
Header | N1 Bytes | Audio-Visual Scene Descriptors Header |
– Standard-AVScene | 9 Bytes | The characters “OSD-AVB-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. |
AVBasicSceneDescriptorsID | N5 Bytes | Identifier of the AV Object. |
ObjectCount | N6 Bytes | Number of Objects in Scene |
AVBasicSceneDescriptorsSpaceTime | N7 Bytes | Data about Space and Time |
AudioObjectsData[] | N8 Bytes | Set of Audio Objects |
– AudioObject | N9 Bytes | Audio Object |
– AudioObjectSpaceTime | N10 Bytes | ID of Space-Time of Audio Object |
VisualObjectsData[] | N13 Bytes | Set of Visual Objects |
– VisualObject | N14 Bytes | Visual Object |
– VisualObjectSpaceTime | N15 Bytes | Space-Time of Visual Object |
AudioVisualObjectsData[] | N18 Bytes | Set of Audio-Visual Objects |
– AudioVisualObjectID | N19 Bytes | ID of Audio-Visual Object |
– AudioObjectSpaceTime | N20 Bytes | ID of Space-Time of Audio-Visual Object |
DescrMetadata | N23 Bytes | Descriptive Metadata |