1     Definition 2     Functional Requirements 3     Syntax
4     Semantics 5    Conformance Testing 6     Performance Assessment

1      Definition

An Item including a series of Audio Scene Descriptors for a certain duration.

2      Functional Requirements

Audio Event Descriptors contains Audio Scene Descriptors for a Time.

3      Syntax

https://schemas.mpai.community/OSD/V1.4/data/AudiolEventDescriptors.json

4      Semantics

Label Description
Header Audio Event Descriptors Header
·       Standard The characters “OSD-AUE-V”
·       Version Major version – 1 or 2 characters
·       Dot-separator The character “.”
·       Subversion Minor version – 1 or 2 characters
MInstanceID Identifier of M-Instance.
EventID Identifier of the Event.
EventSpaceTime Data about start and end Space-Time.
SceneDescriptors[] Set of Scene Descriptors
– SceneDescriptors Set of AV Scene Descriptors of IDs.
DescrMetadata Descriptive Metadata

5     Conformance Testing

A Data instance Conforms with MPAI-OSD Audio Event Descriptors (OSD-AUE) if:

  1. The Data validates against the Audio Event Descriptors’ JSON Schema.
  2. All Data in the  Audio Event Descriptors’ JSON Schema
    1. Have the specified type
    2. Validate against their JSON Schemas
    3. Conform with their Data Qualifiers if present.

6     Performance Assessment