Go to MPAI-OSD Data Types

Definition Functional Requirements Syntax Semantics Conformance Testing Performance Assessment

1      Definition

An Item including a series of Ultrasound Scene Descriptors for a duration.

2      Functional Requirements

A Speech Event Descriptors instance must include:

  1. The Speech Event Descriptors Header
  2. The ID of the Speech Event Descriptors.
  3. The IDs or the Speech Scene Descriptors of the Speech Scene Descriptors included in the Speech Event instance.

A Speech Event Descriptors instance may include:

  1. The ID of a Virtual Space (M-Instance) to which it refers.
  2. The ID of a U-Environment to which it refers.
  3. The Space-Time information of the Speech Event instance.
  4. Information about this Speech Event instance.
  5. Descriptive Metadata.

3      Syntax

https://schemas.mpai.community/OSD/V1.5/data/SpeechEventDescriptors.json

4      Semantics

Label Description
Header Speech Event Descriptors Header – Standard “OSD-SED-Vx.y”
MInstanceID Identifier of the M-Instance.
UEnvironment Identifier of the U-Environment.
SpeechEventDescriptorsID ID of this Speech Event Descriptors instance.
SpeechEventDescriptorsTime Space and Time of Speech Event Descriptors.
SpeechEventDescriptorsSpaceTime Space and Time of Speech Event Descriptors.
SpeechSceneDescriptors[] Set of Speech Scene Descriptors in the Speech Event.
– SpeechSceneObjectSpaceTime A set of Speech Scene Descriptors of the Speech Event.
DataXMData Information on this Speech Event Descriptors instance.
DescrMetadata Descriptive Metadata

5     Conformance Testing

A Data instance Conforms with MPAI-OSD Speech Event Descriptors (OSD-SED) if:

  1. The Data validates against the Speech Event Descriptors’ JSON Schema.
  2. All Data in the Speech 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