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A/81, Direct-To-Home Satellite Broadcast StandardApproved: 30 July 2003

This document describes the emission system for ATSC Direct-to-Home (DTH) Satellite Broadcast System. This specification defines extensions to audio, video, transport, and PSIP subsystems as defined in ATSC Standards A/53 and A/65. The emission system defined in this document includes carriage of data broadcasting as defined in ATSC Standard A/90 without requiring extensions. Furthermore, transmission and conditional access subsystems are not defined, allowing service providers to use existing subsystems.

Download A/81:2003, “Direct-To-Home Satellite Broadcast Standard”, approved 30 July 2003.

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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.

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