1 Definition | 2 Functional Requirements | 3 Syntax |
4 Semantics | 5 Conformance Testing | 6 Performance Assessment |
1 Definition
An Item represented by a series of Audio-Visual Scene Descriptors for a certain duration (from a start Time to an end 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/AudioVisualEventDescriptors.json
4 Semantics
Label | Size | Description |
Header | N1 Bytes | Audio-Visual Event Descriptors Header |
· 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 |
MInstanceID | N4 Bytes | Identifier of M-Instance. |
AVEventID | N5 Bytes | Identifier of the Event. |
AVEventSpaceTime | 17 Bytes | Data about start and end Space-Time. |
AVSceneDescriptors[] | N6 Bytes | Collection of AV Scene Descriptors in Start Time and End Time |
· AVSceneDescriptors | N7 Bytes | Set of AV Scene Descriptors of IDs. |
DescrMetadata | N8 Bytes | Descriptive Metadata |
5 Conformance Testing
A Data instance Conforms with Audio-Visual Event Descriptors (OSD-AVE) V1.2 if:
- The Data validates against the Audio-Visual Event Descriptors’ JSON Schema.
- All Data in the Audio-Visual Event Descriptors’ JSON Schema
- Have the specified type
- Validate against their JSON Schemas
- Conform with their Data Qualifiers if present.