This supplementary standard defines a general purpose method to enable announcement of the technical attributes of program elements that must be supported in a receiving device to render the programming on a particular virtual channel. It is not a replacement for fully-defined and optimized combinations of program elements defined for a particular service type, such as those established by A/53 and A/97.
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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.