1 Definition
An Item represented by a series of Audio-Visual Scene Descriptors during a Time.
2 Functional Requirements
Audio-Visual Event Descriptors contains Audio-Visual Scene Descriptors between two Times.
3 Syntax
https://schemas.mpai.community/OSD/V1.1/data/VisualObject.json
4 Semantics
| Label | Size | Description |
| Header | N1 Bytes | |
| · Standard | 9 Bytes | The characters “OSD-AVE-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 |
| M-InstanceID | N4 Bytes | Identifier of M-Instance. |
| AudioVisualEventEventID | N5 Bytes | Identifier of the Event. |
| AudioVisualEventSpaceTime | N6 Bytes | Data about Space and Time |
| AudioVisualEventSceneDescriptors[] | N7 Bytes | |
| · AVSceneDescriptorsID | N8 Bytes | Set of AVSceneDescriptors |
| DescrMetadata | N9 Bytes | Descriptive Metadata |
5 Data Formats
No new Data Formats required.
6 To Respondents
MPAI requests comments on Functional Requirements of Audio-Visual Event Descriptors.
