SMPTE ST 2020-2:2014

SMPTE ST 2020-2:2014

Vertical Ancillary Data Mapping of Audio Metadata - Method A

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Details

This standard defines one of two methods for mapping the serial audio metadata stream related to encoded
audio bitstreams into the 10-bit vertical ancillary (VANC) data space of a standard definition or high definition
digital component television signal in accordance with SMPTE 291M. This VANC mapping conveys the audio
metadata elements and carries information about the location of the embedded audio with which the
metadata is associated.
An associated standard 2020-1 defines the DID and SDID values assigned to the VANC packets carrying this
metadata, the location where packets are to be located, the basic structure of the metadata, and the
asynchronous serial data transport which is used to convey the metadata from device to device (when not
embedded in a video signal).
Note: An associated standard 2020-3 defines an alternate method 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 7
Replace SMPTE 2020-2-2008
Keyword SMPTE ST 2020-2:2014