SMPTE ST 2020-1:2014

SMPTE ST 2020-1:2014

Format of Audio Metadata and Description of the Asynchronous Serial Bitstream Transport

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Details

This Standard defines the basic structure and timing requirements of an asynchronous serial audio metadata
stream with respect to an associated video signal. These requirements apply to the serial metadata streams
either present on asynchronous serial data communications links between devices or present in the vertical
ancillary (VANC) data packets transported by the video signal. The Standard also defines the Data ID (DID)
and Secondary Data ID (SDID) values used to identify the VANC packets themselves and to associate the
metadata in VANC packets with specific audio programs.
Associated Standards SMPTE 2020-2 and SMPTE 2020-3 define two methods of mapping the metadata into
ancillary data packets.

Additional Info

Author Society of Motion Picture and Television Engineers
Published by SMPTE
Document type Standard
Theme /subgroups/31880
Number of pages 14
Replace SMPTE 2020-1-2008
Keyword SMPTE ST 2020-1:2014