CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1  AC-4 digital audio compression standard
 1     Immersive audio
        1.1     Channel-based approach
        1.2     Object-based approach
                  1.2.1     Encoding and decoding (core and full) scenarios for immersive audio
                  1.2.2     Object-based (spatial object groups) immersive
                  1.2.3     Channel-based immersive
 2     Audio personalization
        2.1     Overview of presentation-based approach
        2.2     Multi language application
        2.3     Audio description application
        2.4     Dialogue enhancement application
                  2.4.1     Basic modes for legacy content
                  2.4.2     Separate dialogue mode
 3     Loudness management
        3.1     Intelligent loudness management in cascaded workflows
 4     Dynamic range management
        4.1     Managing dynamic range for different device types
                  4.1.1     Dynamic range control (DRC)
                  4.1.2     Simultaneous outputs
 5     Content replacement and insertion
        5.1     Audio/Video frame alignment
        5.2     Seamless switching
Annex 2  MPEG-H Audio System
 1     Overview of the MPEG-H Audio System
        1.1     Immersive sound
        1.2     Personalization and interactivity
        1.3     Universal delivery
 2     MPEG-H Audio Metadata
        2.1     Metadata structure
        2.2     Metadata example
        2.3     Personalization use case examples
                  2.3.1     Advanced Accessibility
                  2.3.2     Dialogue Enhancement (DE)
                  2.3.3     Multi-language services
                  2.3.4     Personalization for sports programmes
                  2.3.5     Presentation of MPEG-H Audio services
        2.4     Interoperability with the Audio Definition Model
 3     MPEG-H Audio Stream
        3.1     Random Access Points
        3.2     Configuration changes and A/V Alignment
 4     Distributed user interface processing
 5     Multi-stream environment
 6     System sounds and voice assistant sounds
Annex 3  DTS-UHD Audio format
 1     Immersive audio
        1.1     Channel-based Audio
        1.2     Object-based Audio
 2     Stream construction
        2.1     Metadata
        2.2     Audio Objects
 3     Presentations
        3.1     Presentation methodology
 4     Personalization
        4.1     Multi language
        4.2     Sports personalization
        4.3     Accessibility services
                  4.3.1     Dialogue enhancement
                  4.3.2     Audio description
 5     Dynamic management
        5.1     Loudness
        5.2     Dynamic Range Control (DRC)
 6     Multi-stream support