This standard defines a method of coding which allows data services to be carried in the vertical ancillary data space of a bit-serial component television signal conforming with SMPTE 292M or ANSI/SMPTE 259M.
ITU-R BT.1619-2003 history
2003ITU-R BT.1619-2003 Vertical ancillary data mapping for serial digital interface Questions ITU-R 42/6 and ITU-R 20/6