1     Functions

Audio Basic Scene Description (CAE-ABS):

Receives Space-Time
Audio Object
Computes Audio Objects inside the input Audio Object
Audio Basic Scene Geometry
Produces Audio Basic Scene Descriptors

2      Reference Architecture

Figure 1 depicts the Reference Architecture of the Audio Basic Scene Description AIM.

Figure 1 – The Audio Basic Scene Description (CAE-ASD) AIM

3      I/O Data

Table 1 specifies the Input and Output Data of the Audio Basic Scene Description AIM.

Table 1 – I/O Data of the Audio Basic Scene Description (CAE-ASD) AIM

Input Description
Space-Time The Space-Time information of the Audio Basic Scene Descriptors.
Audio Object Input Audio (with Qualifier about Microphone Array info)
Output Description
Audio Basic Scene Descriptors Output Audio Scene Descriptors

4      SubAIMs

Audio Basic Scene Description (CAE-ASD) is a Composite AIM with the structure depicted in Figure 2.

Figure 2 – The The Audio Basic Scene Description Composite (CAE-ASD) AIM

The specifications of the CAE-ASD Basic AIMs are provided at the links of Table 2.

Table 2 – BASIC AIMs of Audio Scene Descriptors

AIMs Names
CAE-AAT Audio Analysis Transform
CAE-ASL Audio Source Localisation
CAE-ASE Audio Separation and Enhancement
CAE-AST Audio Synthesis Transform
CAE-AMX Audio Descriptors Multiplexing

5     JSON Metadata

https://schemas.mpai.community/CAE1/V2.2/AIMs/AudioBasicSceneDescription.json

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