This document specifies the VP1 audio watermark for use with systems conforming to the ATSC 3.0 family of specifications. The document specifies the format in which the audio watermark resides in a PCM audio signal. Emission by a broadcaster of the audio watermark is optional.
Download current version: A/334:2022-03, “Audio Watermark Emission”, published 31 March 2022. This version of the Standard is normatively referenced in A/300:2022-04.
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/334:2016, “Audio Watermark Emission”, approved 19 September 2016. This version is referenced by A/330:2019, A/300:2020, and A/300:2021.
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