[mythtv-users] 0.19 Closed Captions and PVR-250
beww at beww.org
Mon Feb 20 21:16:17 UTC 2006
On Feb 20, 2006, at 12:39 PM, Gregorio Gervasio, Jr. wrote:
>>>>>> Dylan Keon writes:
> d> When watching the Olympics with CC1 on I noticed quite a pause
> d> what the announcers were saying and the text that was displayed
> on the
> d> screen. If you're watching with the sound off it would be ok,
> but if
> d> you're using CC1 as a "backup" to help you follow the show (my wife
> d> likes to do this), it's less usable.
> Unless the captioner can watch the show well before broadcast
> (preferably with a script), the captions have to be done in real time
> and are always delayed. Have you watched the Olympics on regular TV
> (no MythTV) to compare the caption delay? How is the delay for
> in commercials?
> (One nice enhancement to MythTV I have considered for a
> long time but haven't been able to try is to compensate for the delay
> in real-time captions by reading them a few seconds ahead of video.)
You're quite correct about the captions, they are usually done by the
same technique as "court stenographers" and are thus somewhat delayed.
I got a catalog the other day selling, among other things, a box
which purported to "censor" your TV audio by monitoring the captions
and muting the audio for certain "key" words.
I concluded it would be ineffective due to the delayed nature of live
captions. I also concluded that some people will apparently buy
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