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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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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.

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