The present document specifies a new VBI standard to be added to MPEG-2 and DVB to handle the transmission ofdata intended to be transcoded into the VBI of MPEG-2 decoded video. The definitions given by the present documentare an extension of the format specified by EN 300 472 [2].
The extensions include Inverted Teletext, VPS (EN 300 231 [4]) and WSS (EN 300 294 [5]) data to be used for625-line systems and Closed-Captioning (EIA-608 Revision A [6]) data to be used for 525-line systems. Also, a genericformat for transmitting luminance-only VBI data is defined to have a means of coping with other standard ornon-standard VBI systems.
The present document allows for conveying VBI data units and EBU Teletext data units using the same elementarystream. Backwards compliance with the EN 300 472 [2] is guaranteed, as the EBU Teletext as specified inEN 300 472 [2] and VBI data as specified in the present document can co-exist in the same service on separate PIDs.To cater for this, some extensions to the SI, EN 300 468 [9] have been defined.
- Edition:
- 1.2.1
- Published:
- 05/01/2005
- Number of Pages:
- 16
- File Size:
- 1 file , 88 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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