[mythtv-users] Little band of distortion on top of some SD LiveTV playback

[Devin Heitmueller]

On Fri, May 28, 2010 at 6:05 PM,  <mythtv at derdev.com> wrote:
> Cable Converter -> PVR 250
>
> *Some* SD stations on LiveTV have band of static/distortion at the top of
> the screen - a few pixels in height.
> Most other SD stations and all HDHR-feeds do not display this during
> LiveTV playback.
>
> What is this phenomenon called so that I can figure out how to make it
> stop... it's friggin annoying.  I thought it was "tearing" but that's not
> this issue.
>
> Apologies that I don't know the technical term for this, which is what
> I'll use to google for the answer... THANKS!

It's VBI data (typically containing line 23 closed captioning info).

Cheers,

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com