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1. Technical Specification 2. Conformance Testing 3. Performance Assessment

1. Technical Specifications

Table 1 provides the full list of Data Types specified by CAE-6DF V1.0 with links to the pages dedicated to Data Types. Each of these includes Definition, Functional Requirements, Syntax, Semantics, Conformance Testing, and Performance Assessment.

Table 1 – Data Types specified by CAE-6DF V1.0

Acronym Name JSON Acronym Name JSON
CAE-6DF Audio Object (6DF) File CAE-MAI Microphone Array Indices File
CAE-CDD Diffuse Dominant (Compressed) File CAE-SDS Selected Dominant Sparse Plane Wave File
CAE-DRG Direct Gain File CAE-TDD Selected Time Domain Diffuse Dominant File
CAE-SPW Dominant Sparse Plane Wave File CAE-TID Time Domain Interpolated Diffuse Sound Field File
CAE-FID Frequency Domain Interpolated Direct Sound Field File CAE-TIT Time Domain Interpolated Total Sound Field File
CAE-ITC Interpolation Coefficients File CAE-TRT Time Domain Rotated Interpolated Total Sound Field File
CAE-ISP Interpolation Sparse Plane Wave File

2 Conformance testing

The Conformance a Data instance conforms with CAE-6DF V1.0 is expressed by one of the two statements:

  1. “Data conforms with the relevant (Non-MPAI) standard” – for Data.
  2. “Data validates against the Data Type Schema” – for Data Object.

The latter statement implies that:

A Data instance Conforms with CAE-6DF V1.0specified Data Type if:

  1.  Its JSON Object validates against its JSON Schema.
  2. Any included  JSON Object validates against its JSON Schema.
  3. All Data in the JSON Object:
    1. Have the specified Data Types.
    2. Conform with the Qualifiers signaled in their JSON Schemas.

3. Performance Assessment

Performance is an umbrella term used to describe a variety of attributes – some specific of the application domain served by a specific Data Type. Therefore, Performance Assessment Specifications provide methods and procedures to measure how well a Data instance represents an original Data entity. Performance of an Implementation includes methods and procedures for all or a subset of the following characteristics:

  1. Quality– for example, how well a Scene Descriptors instance represent a scene.

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