A/336 establishes entity_string() and Server Code namespaces for use by broadcasters who want to incorporate ATSC-specified video and audio watermarks into their services. Use of A/336 requires registration of values within those namespaces prior to their use. The following organization is authorized to issue entity_string() and Server Code registrations: Verance
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ATSC is a membership organization with both voting and observer categories. Voting members include corporations, nonprofit organizations, and government entities, and they participate actively in the work of ATSC. Observers are individuals or entities not eligible to be a voting member.
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Advanced Television Systems Committee, Inc.
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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.