scope:

The present document specifies a new VBI standard to be added to MPEG-2 and DVB to handle the transmission of data intended to be transcoded into the VBI of MPEG-2 decoded video. The definitions given by the present document are an extension of the format specified by ETSI EN 300 472 [2]. The extensions include inverted teletext, VPS (ETSI ETS 300 231 [4]) and WSS (ETSI EN 300 294 [5]) data to be used for 625-line systems and Closed-Captioning (EIA-608 Revision A [6]) data to be used for 525-line systems. Also, a generic format for transmitting luminance-only VBI data is defined to have a means of coping with other standard or non-standard VBI systems.