The video watermark technology described in this document provides the capability to robustly embed ancillary data in the transmitted pixels of a video signal. It is intended to provide a data path for its ancillary data payload that can readily survive changes in video compression data rate, transcoding to other video compression codecs, and delivery over legacy consumer HDMI interfaces. It is not intended to be a tamper-resistant or indelible watermark, and it may be deliberately obliterated by an intermediary. Emission by a broadcaster of the video watermark is optional.
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/335:2016 “Video Watermark Emission”, approved 20 September 2016. This version is referenced by A/300:2019.
Download A/335:2016 Amendment No. 1, “Additional Video Resolutions”, approved 9 December 2019.
Download A/335:2016, “Video Watermark Emission, with Amendment No. 1”. This document has Amendment No. 1 integrated into the standard. This version is referenced by A/300:2020.
Download A/335:2016 Amendment No. 2, “Expanded Range of Encoding Values”, approved 2 February 2021.
Download A/335:2016, “Video Watermark Emission, with Amendments No. 1 and No. 2”. This document has Amendments No. 1 and No. 2 integrated into the standard. This version is referenced by A/300:2021.
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The Advanced Television Systems Committee, Inc., is an international, non-profit organization developing voluntary standards and recommended practices for digital terrestrial broadcasting. ATSC member organizations represent the broadcast, broadcast equipment, motion picture, consumer electronics, computer, cable, satellite, and semiconductor industries. ATSC also develops digital terrestrial broadcasting implementation strategies and supports educational activities on ATSC standards.