Search Site

Advanced Search

Member Links

Member Login

Advanced Search

A/339, “Audio Watermark Modification and Erasure”Approved: 14 April 2026

This document provides recommended practices for methods to be employed in the erasure and modification of VP1 audio watermarks.

Download current version: A/339:2026-04, “Audio Watermark Modification and Erasure”, 14 April 2026.

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. The following are listed by date, with the most recent first.

2025

Download A/339:2025-10, “Audio Watermark Modification and Erasure”, 15 October 2025.

Download A/339:2025-07, “Audio Watermark Modification and Erasure”, 17 July 2025.

2024

Download A/339:2024-04, “Audio Watermark Modification and Erasure”, 3 April 2024.

Download A/339:2024-04 Amendment No. 1″, approved 15 October 2024.

2023

Download A/339:2023-03, “Audio Watermark Modification and Erasure”, 28 March 2023.

2022

Download A/339:2022-03, “Audio Watermark Modification and Erasure”, 31 March 2022.

2017

Download A/339:2017, “Audio Watermark Modification and Erasure”, approved 4 December 2017.

Subscribe to our Newsletter

Subscribe to The Standard, our monthly newsletter, to stay up-to-date with ATSC news and events around the world.

  • This field is for validation purposes and should be left unchanged.

Platinum Sponsors

AT&T Business
Avnaci
Consumer Technology Association
HCL Tech
LG Electronics
Samsung
Sinclair Broadcast Group
Sony
Zenith

Gold Sponsors

Harmonic
Nielsen
Vertical Bridge

Silver Sponsors

American Tower
Castanet
DigiCAP
Dolby
Eon Media
GatesAir
NAB -- National Association of Broadcasters
Resillion
SCTE * ISBE

Bronze Sponsors

ATEME
Digital Alert Systems
DTV Innovations
EiTV
Enensys
Fincons Group
GravTV
HDMI
IEEE -- Broadcast Technology Society
Mirakulo
PBS -- Public Broadcasting Service
Quortex
Rohde & Schwarz
SM Facilities
Titan TV
VBox Communications

Become a Sponsor »

Site Links

Subscribe to Newsletter »

Contact Us

ATSC
1300 I Street NW, Suite 400E
Washington, DC 20005 USA

Do you have questions about ATSC?

Contact Us »

About ATSC

ATSC, The Broadcast Standards Association, is defining the future of broadcast around the world with the Internet Protocol-based ATSC 3.0 next-generation standard. ATSC is an international, non-profit organization developing voluntary multimedia standards. ATSC member organizations represent the broadcast, professional services and equipment, motion picture, consumer technology, computer, cable, satellite, and semiconductor industries.

Become a Member | Member Login

© 2026 ATSC