[linux-dvb] closed caption

Philip Prindeville philipp_subx at redfish-solutions.com
Wed Jan 18 02:48:40 CET 2006


Depends on whether you are talking DVB-T, ATSC, or DVB-S...  But in general,
it's its own pid for digital TV, though a lot of ATSC broadcasters will 
also embed
the line-21 signal into the video stream.

-Philip


Alan Fry wrote:

> Is the closed caption information present in a full TS   part of the 
> video PID? or part of the audio PID? or something else....
> Can I extract it at the mplayer / mythtv level, or do I need drivers 
> at the card level?
>
> -alan
>
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