1 Definition
An Object whose rendering is not perceptible by a hearing device.
2 Functional Requirements
An Audio Object includes:
- The ID of a Virtual Space (M-Instance) where it is or will be located.
- The ID of the Audio Object.
- The ID(s) of Parent Object(s) supporting two cases:
- The Parent Object has spawned two (or more) Objects.
- Two (or more) Parent Objects have merged into one.
- The Space-Time info of the Audio Object in the M-Instance.
- The Audio Object-specific Data:
- Audio Object Qualifier (Sub-Type, Format, and Attributes).
- The Audio Object payload:
- The Audio Object length in Bytes.
- The Audio Object Data URI.
3 Syntax
https://schemas.mpai.community/CAE1/V2.2/data/AudioObject.json
4 Semantics
Label | Size | Description |
Header | N1 Bytes | Audio Object Header |
– Standard-AudioObject | 9 Bytes | The characters “CAE-AOB-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. |
AudioObjectID | N5 Bytes | Identifier of the Audio Object. |
ParentAudioObject(s) | N6 Bytes | Identifier(s) of Parent Audio Objects. |
AudioObjectSpaceTime | N7 Bytes | Space-Time info of Audio Object. |
AudioObjectData | N8 Bytes | Data associated to Audio Object. |
– AudioObjectQualifier | N9 Bytes | Audio Object Format Identifier. |
– AudioObjectPayload | N10 Bytes | The Audio Object Payload. |
– AudioObjectLength | N11 Bytes | Number of Bytes in Audio Object. |
– AudioObjectPayloadURI | N12 Bytes | URI of Payload of Audio Object. |
DescrMetadata | N13 Bytes | Descriptive Metadata. |