A/341, “Video – HEVC”Approved: 3 April 2024

This Standard describes the video coding constraints on ITU-T Rec. H.265 | International Standard ISO/IEC 23008-2 (“HEVC”) when it is used for video compression in the ATSC 3.0 Digital Television System. Any other video coding technologies in the ATSC 3.0 system are documented in their own ATSC Standard(s). A/300 provides references to the various video coding technology document(s) in the ATSC 3.0 system. Signaling of the video compression technology in use is defined A/331.

Download current version: A/341:2024-04, “Video – HEVC”, 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/341:2019, “Video – HEVC”, approved 14 February 2019. This version of the Standard is normatively referenced in A/300:2019 and A/300:2020.

Download A/341:2019 Amendment No. 1, “References”, approved 2 March 2021.

Download A/341:2019 Amendment No. 2, “2094-40”, approved 17 September 2021.

Download A/341:2019, “Video – HEVC, with Amendment No. 1”. This document has Amendment No. 1 integrated into the standard. This version of the Standard is normatively referenced in A/300:2021.

Download A/341:2021, “Video – HEVC”, 17 September 2021. This document is a rollup of Amendments No. 1 and No. 2 to A/341:2019.

Download A/341:2022-03, “Video – HEVC”, 31 March 2022. This version of the Standard is normatively referenced in A/300:2022-04.

Download A/341:2022-03 Amendment No. 1, “Chroma Location / AFD and Bar Data”, approved 7 September 2022.

Download A/341:2022-09, “Video – HEVC”, 7 September 2022.

Download current version: A/341:2023-03, “Video – HEVC”, 28 March 2023. This version of the Standard is normatively referenced in A/300:2023-03.