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Below are the published ATSC standards for ATSC digital television service, issued by the Advanced Television Systems Committee. *A/52B: audio data compression (Dolby AC-3 and E-AC-3) *A/53E: "ATSC Digital Television Standard" (the primary document governing the standard) *A/55: "Program Guide for Digital Television" (now deprecated in favor of A/65 PSIP) *A/57A: "Content Identification and Labeling for ATSC Transport" (for assigning a unique digital number to each episode of each TV show, to assist DVRs) *A/63: "Standard for Coding 25/50 Hz Video" (for use with PAL and SECAM-originated programming) *A/64A "Transmission Measurement and Compliance for Digital Television" *A/65C: "Program and System Information Protocol for Terrestrial Broadcast and Cable" (PSIP includes virtual channels, electronic program guides, and content ratings) *A/68: "PSIP Standard for Taiwan" (defines use of Chinese characters via Unicode 3.0) *A/69: recommended practices for implementing PSIP at a TV station *A/70A: "Conditional Access System for Terrestrial Broadcast" *A/72: "Video System Characteristics of AVC in the ATSC Digital Television System" (implementing H.264/MPEG-4 as well as MVC for 3D television) *A/76: "Programming Metadata Communication Protocol" (XML-based PMCP maintains PSIP metadata though a TV station's airchain) *A/79: "Conversion of ATSC Signals for Distribution to NTSC Viewers" (recommended practice, issued February 2009) *A/80: "Modulation and Coding Requirements for Digital TV (DTV) Applications Over Satellite" (ATSC-S) *A/81: "Direct-to-Home Satellite Broadcast Standard" (not yet implemented by any services) *A/85: *Techniques for establishing and maintaining audio loudness for digital television *A/90: "Data Broadcast Standard" (for datacasting) *A/92: "Delivery of IP Multicast Sessions over Data Broadcast Standard" (for IP multicasting) *A/93: "Synchronized/Asynchronous Trigger Standard" *A/94: "ATSC Data Application Reference Model" *A/95: "Transport Stream File System Standard" (TSFS is a special file system for downloading computer files) *A/96: "ATSC Interaction Channel Protocols" (interactive TV) *A/97: "Software Data Download Service" (used by UpdateTV for upgrades and software patches in ATSC tuners) *A/100: "DTV Application Software Environment - Level 1" (DASE-1) *A/101: "Advanced Common Application Platform" (ACAP) *A/110A: "Synchronization Standard for Distributed Transmission" (single-frequency networks) *A/112: E-VSB Recently amended standards: * the main ATSC standard has been recently amended to support Enhanced ATSC; this transmission mode is backwardly compatible, but provides much better error correction. ATSC-M/H for mobile TV is still pending , though it is known that it will use MPEG-4 instead of MPEG-2. ==External links== *(ATSC standards ) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「List of ATSC standards」の詳細全文を読む スポンサード リンク
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