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Full Description

1 Scope

1.1 This standard specifies the basic formatting structure of the ancillary data space in digital video data streams in the form of 10 bit words. Application of this standard includes 525 line, 625 line, component or composite, and high definition digital television interfaces (750 and 1125 lines) and D-Cinema applications that provide 8-bit or 10-bit data ancillary data space.

1.2 Space available for ancillary data packets is defined in the document specifying the connecting interface.

1.3 Ancillary data packet payload definitions for a specific application shall be according to a SMPTE standard, a Recommended Practice, an Engineering Guideline or a document generated by another organization. When a payload format is considered a registered format, an application document is required and the ancillary packet is identified by a registered data identification word.
 

Document History

  1. SMPTE ST 291-1:2011


    Ancillary Data Packet and Space Formatting

    • Most Recent
  2. SMPTE ST 291:2011


    Ancillary Data Packet and Space Formatting

    • Historical Version
  3. SMPTE ST 291:2010


    Ancillary Data Packet and Space Formatting

    • Historical Version
  4. SMPTE 291M-2006

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    Television - Ancillary Data Packet and Space Formatting

    • Historical Version
  5. SMPTE 291M-1998


    Television - Ancillary Data Packet and Space Formatting

    • Historical Version