[mythtv-users] Fuzz in my video output

[Nathan Smith]

On Mon, 19 Jun 2006, Brian Wood wrote:

>
> On Jun 19, 2006, at 2:01 PM, Nathan Smith wrote:
>
> > Hey list,
> >
> > When I view TV (it is a QAM signal) in MythTV, at the top of the
> > screen
> > there is a thin line of noise (it's about half an inch wide and
> > covers the
> > entire top part of the screen, and it looks almost like a static
> > channel
> > on a TV), and no configuration options that I've tried can get rid
> > of it.
> > If I record shows, the noise even shows up on the recorded version.
> > The
> > rest of the TV signal looks great, and channel browsing works
> > perfectly
> > (the noise also shows up on every channel).
> >
> > I'm using an HD-5500 with the 2.6.16.20 kernel running Ubuntu 6.06/
> > AMD64.
> >
> > Any ideas?
>
> Just guessing, but:
>
> It's probably being transmitted intentionally, it is data, in the
> digital equivalent of the vertical blanking interval.
>
> Usually most TVs overscan just a bit to prevent this showing up in
> the picture.

I'm viewing this on my monitor (Dell 24 inch 2405FPW LCD).. have you heard
of it happening on monitors as well?

Nate