This document defines the Conditional Access system for ATSC Terrestrial Broadcasting. The necessary building blocks are called out that will enable broadcasters to fully exploit the capabilities of digital broadcasting using ATSC. This standard is based, whenever possible, on existing open standards.
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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.