
Digital Video Broadcasting (DVB); Specification for conveying ITU-R System B Teletext in DVB bitstreams
出版:European Telecommunications Standards Institute

专家解读视频
Means of carrying ITU-R System B Teletext (World System Teletext [WST] - should satisfy the following requirements - Support transcoding of Teletext data into the Vertical Blanking interval of analogue video, compatible with existing TV receivers with Teletext decoders: Maximum data rate for each teletext service is equal to 16 lines per field : Transmission mechanism capable of transmitting subtitles with accurate timing regarding the video (within or near frame accuracy).
SS ETS 300 472 Ed. 2 (1996) - Identical
PN ETS 300 472:2005 - Identical
NBN ETS 300 472:1999 - Identical
DIN ETS 300472 (1997-08) - Identical