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A/370, “Conversion of ATSC 3.0 Services for Redistribution”Approved: 17 July 2025

This document provides recommended practices for the conversion of ATSC 3.0 services for redistribution into ATSC 1.0 and other legacy services. Hardware or software products can be built to implement conversions of ATSC 3.0 services and signals to formats suitable for various redistribution systems or over-the-air broadcast translators. Such conversions might require certain methods for physical layer transmission, transport, audio, video, closed captioning, and ancillary data formats.

Download current version: A/370:2025-07, “Conversion of ATSC 3.0 Services for Redistribution”, 17 July 2025.

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/370:2019, “Conversion of ATSC 3.0 Services for Redistribution”, approved 11 December 2019.

Download A/370:2022-03, “Conversion of ATSC 3.0 Services for Redistribution”, 31 March 2022.

Download A/370:2023-03, “Conversion of ATSC 3.0 Services for Redistribution”, 28 March 2023.

Download A/370:2024-04, “Conversion of ATSC 3.0 Services for Redistribution”, 3 April 2024.

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ATSC, the Broadcast Standards Association, is an international, non-profit organization developing voluntary standards and recommended practices for digital terrestrial broadcasting. Serving as an essential force in the broadcasting industry, ATSC guides the seamless integration of broadcast and telecom standards to drive the industry forward. Currently, the ATSC 3.0 Standard is providing the best possible solution for expanding the potential of the broadcast spectrum beyond its traditional application to meet changing needs. From conventional television to innovative digital data services, ATSC has one clear goal: to empower the broadcasting ecosystem like never before.

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