List of ATSC Standards

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/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/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 as of February 2009, though it is known that it will use MPEG-4 instead of MPEG-2.

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