- Vanc
VANC stands for Vertical Ancillary Data Space. This is part of the transmission signal for digital video that is not displayed on the screen as video frames. It is available as a means of carrying data other than the image.
It is described in the SMPTE specification SMPTE-334M "Vertical Ancillary Data Mapping for Bit-Serial Interface". In the
PAL andNTSC analog television systems theVertical blanking interval (or VBI) is similarly used to carry non-display data.ee also
Ancillary data
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