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About This Item
Full Description
- to support the transcoding of the Teletext data into the Vertical Blanking Interval (VBI) of analogue video. The transcoded signal should be compatible with existing TV receivers with Teletext decoders;
- the maximum data rate for each Teletext service is equivalent to 16 lines per field so that the service is always suitable for transcoding into the VBI;
- the transmission mechanism should be capable of transmitting subtitles with accurate timing with respect to the video (i.e. to within or near frame accuracy).
Document History
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ETSI EN 300 472
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Digital Video Broadcasting (DVB); Specification for conveying ITU-R System B Teletext in DVB bitstreams- Most Recent
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ETSI EN 300 472
Digital Video Broadcasting (DVB); Specification for conveying ITU-R System B Teletext in DVB bitstreams- Historical Version
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ETSI EN 300 472
Digital Video Broadcasting (DVB); Specification for conveying ITU-R System B Teletext in DVB bitstreams- Historical Version