[mythtv-users] closed caption missing letters

Jason Salerno mrjsin at gmail.com
Tue May 27 22:12:16 UTC 2008

yeah sorry i wasn't clear on DTV thing... i meant by digital tv. i
meant those 40 coupon digital converter (INSIGNIA) stb (which i
haven't succesfully make it work with ir blaster which is for another
time). so it actually converts digital to analog so then my 250 pvr
would be able to capture it.

for DTV the signal is very strong as that i live in the city so
singals are no problem at all.

i am using mythdora 5, i tried ti find out more info about ivtv which
version i was using but wasn't able to. (i am currently at work so
can't check it til i get home)

well i COULD try get astc tuner but since i already have DTV i might
as well as just use DTV converter and 250 MCE instead since as that i
can't afford another tuner card at the moment.


On Tue, May 27, 2008 at 1:49 PM, Dan Ritter <dsr-myth at tao.merseine.nu> wrote:
> On Tue, May 27, 2008 at 11:32:53AM -0700, jason wrote:
>> Hello! I am having problem with my mythtv and pvr mce 250 card closed caption. I'm missing letters in the caption often. And I tested it with cable and broadcast and even digital tv. All turned out same result.
>> Digital tv has closed caption bulit in and their closed caption is perfectly unlike closed caption from mythtv. So I know it is not broadcast issues.
> Your PVR 250 isn't capturing digital TV; it always captures analog
> signals. They might have been digital up to a cable box.
>> so is there any way I could solve the problem? Or even narrow down to source of problem?
> A number of options occur to me:
> - Check signal strength and quality just before your PVR250
> - The IVTV driver might have problems; what revision are you
>  using?
> - Could you get an ATSC tuner and see if that gets the channels
>  you need with adequate quality? ATSC captions seem to be much
>  more reliable than NTSC. (This only applies if you are in the
>  US).
> -dsr-
> --
> http://tao.merseine.nu/~dsr/eula.html is hereby incorporated by reference.
> When freedom gets lots of exercise, it protects itself.
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