A/342 Part 3, “MPEG-H System”Approved: 3 April 2024

This document standardizes the MPEG-H Audio system for use in the ATSC 3.0 Digital Television System. It describes the characteristics of the MPEG-H Audio system and establishes a set of constraints on MPEG-H Audio for use within ATSC 3.0 broadcast emissions. The ATSC 3.0 audio system provides an enhanced feature set and improves upon the capabilities of past ATSC audio systems. The system provides listeners with both a personalized and an immersive experience. The ATSC 3.0 audio system establishes a common framework for multiple Next Generation Audio (NGA) systems, both current and future. The MPEG-H Audio system is one of the NGA systems standardized in ATSC 3.0.

Download current version: A/342:2024-04 Part 3, “MPEG-H System”, 3 April 2024. This version of the Standard is normatively referenced in A/300:2024-04.

Previous Versions

There are multiple versions of this document. Please be sure to download the desired version. For amendments, the text includes a list of changes, the rationale for the changes, and compatibility considerations.

Download A/342:2017 Part 3, “MPEG-H System”, approved 3 March 2017. This version of the Standard is normatively referenced in A/300:2019 and A/300:2020.

Download A/342:2021 Part 3, “MPEG-H System”, approved 11 March 2021. This version of the Standard is normatively referenced in A/300:2021.

Download A/342:2022-03 Part 3, “MPEG-H System”, 31 March 2022. This version of the Standard is normatively referenced in A/300:2022-04.

Download A/342:2023-03 Part 3, “MPEG-H System”, 28 March 2023. This version of the Standard is normatively referenced in A/300:2023-03.