user_data for closecaption (1 Viewer)

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steve_lee

Thread Starter
New Member
May 29, 2006
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I'm designing a CloseCaption SW decoder,and I'm facing a problem now.
My CC decoder is conformed with ATSC stardard on user data catching .(picture user data begin with ATSC_identifier ,that is 32bit-0x47413934).
But the picture user data on KUIL on AMC-4 have an unrecognized identifier than ATSC_identifier. It has data format that I don't know.

So , does anybody know what is the user_data orgnization standard of US satellite on earth? Thanks!
 

123tim

SatelliteGuys Pro
Oct 22, 2005
355
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Pennsylvania
Steve,

Sorry, I don't understand close captioning, but I can tell you that my Fortec NA doesn't pass a lot of captioning that is supposed to be there. Maybe there isn't a standard for this type of satellite transmission?

Good luck.
 

jayelem

SatelliteGuys Pro
Jan 5, 2006
1,305
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Chicago suburbs.
It does help to have close caption settings correct on your TV, if not you wont get close caption using your FTA receiver.

I had Close Caption ( On ) my Receiver, never saw the text.

Went to menu on my TV and set it to CC , all of a sudden I was getting Close Caption on many channels, of course this works only where available.
 
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