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EIA-608, also known as "Line 21 captions" and "CEA-608", [1] is a standard for closed captioning for NTSC TV broadcasts in the United States, Canada and Mexico. It was developed by the Electronic Industries Alliance and required by law to be implemented in most television receivers made in the United States.
EIA-608 standard for closed captioning for NTSC TV broadcasts in the United States and Canada; TIA/EIA-634-B MC-BS Interface for Public Wireless Communications Systems; EIA/TIA-662 standard for Personal Wireless Telecommunications (PWT). TIA/EIA-667 Personal Access Communications System Wireless User Premises Equipment (PACS-WUPE) Air Interface ...
CTA-708 caption streams can also encapsulate EIA-608 byte pairs internally, a fairly common usage. [1] CTA-708 captions are used in MPEG-2 video streams in the picture user data. The packets are in picture order and must be rearranged. This is known as the DTVCC Transport Stream.
Extended Data Services (now XDS, previously EDS), is an American standard classified under Electronic Industries Alliance standard EIA-608 for the delivery of any ancillary data to be sent with an analog television program, or any other NTSC video signal.
QuickTime video supports raw EIA-608 caption data via proprietary closed caption track, which are just EIA-608 byte pairs wrapped in a QuickTime packet container with different IDs for both line 21 fields. These captions can be turned on and off and appear in the same style as TV closed captions, with all the standard formatting (pop-on, roll ...
EIA-608, a standard for closed captioning for NTSC TV broadcast, also known as "line 21 captions" Telecommunications. Line 21, a Hungarian telecommunications ...
The transition of shows like Glee from TV3 to Four also lost the NZ On Air funding that is given to TV3 to get EIA-608 captions converted from source masters to the preferred Teletext format by TVNZ's Access Services. As New Zealand broadcasters are completely reliant on this process for program subtitling.
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