SMPTE ST 2020-2:2014
- Vertical Ancillary Data Mapping of Audio Metadata - Method A
- standard by Society of Motion Picture and Television Engineers,
- Category: SMPTE
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This standard defines one of two methods for mapping the serial audio metadata stream related to encodedaudio bitstreams into the 10-bit vertical ancillary (VANC) data space of a standard definition or high definitiondigital component television signal in accordance with SMPTE 291M. This VANC mapping conveys the audiometadata elements and carries information about the location of the embedded audio with which themetadata is associated.
An associated standard 2020-1 defines the DID and SDID values assigned to the VANC packets carrying thismetadata, the location where packets are to be located, the basic structure of the metadata, and theasynchronous serial data transport which is used to convey the metadata from device to device (when notembedded in a video signal).
Note: An associated standard 2020-3 defines an alternate method of mapping the metadata into ancillary data packets.
An associated standard 2020-1 defines the DID and SDID values assigned to the VANC packets carrying thismetadata, the location where packets are to be located, the basic structure of the metadata, and theasynchronous serial data transport which is used to convey the metadata from device to device (when notembedded in a video signal).
Note: An associated standard 2020-3 defines an alternate method of mapping the metadata into ancillary data packets.
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