Go to MPAI-OSD V1.5 AI Modules
Function
Ref. Model
I/O Data
SubAIMs
JSON MData
Profiles
Ref. Software
Conformance
Performance
1 Functions
The Basic Audio Scene Description (OSD-BAS) AIM describes the acquired Basic Audio Object as Basic Audio Scene Descriptors. It raises an Alert when what it describes warrants one, without waiting for integration. Spatial Attitude and Basic Environment Descriptors are optional inputs, so that the same AIM serves applications that have something to connect to them and applications that do not.
| Receives | Basic Audio Object | The acquired Basic Audio Object. |
| Spatial Attitude | Spatial Attitude of the application (ego), when it has one. | |
| Basic Environment Descriptors | Descriptors of the environment, when the application has them. | |
| Produces | Basic Audio Scene Descriptors | The description of the Audio scene. |
| Alert | Raised when what is described warrants one. |
2 Reference Model
Figure 1 depicts the Reference Model of the Basic Audio Scene Description (OSD-BAS) AIM.
Figure 1 – Reference Model of the Basic Audio Scene Description (OSD-BAS) AIM
3 I/O Data
Table 1 specifies the Input and Output Data of the Basic Audio Scene Description (OSD-BAS) AIM. Links are to the Data Type specifications.
| Input | Data Type | Description |
|---|---|---|
| Basic Audio Object | Basic Audio Object | The acquired Basic Audio Object. |
| Spatial Attitude | Spatial Attitude (optional) (Port Number 1) | Spatial Attitude of the application (ego), when it has one. |
| Basic Environment Descriptors | Basic Environment Descriptors (optional) (Port Number 1) | Descriptors of the environment, when the application has them. |
| Output | Data Type | Description |
| Basic Audio Scene Descriptors | Basic Audio Scene Descriptors | The description of the Audio scene. |
| Alert | Alert (optional) (Port Number 1) | Raised when what is described warrants one. |
4 SubAIMs
No SubAIMs.
5 JSON Metadata
https://schemas.mpai.community/OSD/V1.5/AIMs/BasicAudioSceneDescription.json
6 Profiles
No Profiles.
7 Reference Software
Not part of this specification.
8 Conformance Testing
Table 2 provides the Conformance Testing Method for the OSD-BAS AIM.
If a schema contains references to other schemas, conformance of data for the primary schema implies that any data referencing a secondary schema shall also validate against the relevant schema, if present, and conform with the Qualifier, if present.
| Receives | Basic Audio Object (Basic Audio Object) | Shall validate against the Basic Audio Object schema. |
| Spatial Attitude (Spatial Attitude) | Shall validate against the Spatial Attitude schema. | |
| Basic Environment Descriptors (Basic Environment Descriptors) | Shall validate against the Basic Environment Descriptors schema. | |
| Produces | Basic Audio Scene Descriptors (Basic Audio Scene Descriptors) | Shall validate against the Basic Audio Scene Descriptors schema. |
| Alert (Alert) | Shall validate against the Alert schema. |
9 Performance Assessment
Not part of this specification.
