[mythtv-users] Video noise or distortion across very top edge of image

Johnny Walker johnnyjboss at gmail.com
Mon Nov 30 18:49:12 UTC 2009

On Mon, Nov 30, 2009 at 12:39 PM, Johnny <jarpublic at gmail.com> wrote:
>> Ah - ok - so maybe I need to increase the resolution beyond what the
>> tv can handle, and it will for it to overscan, and then use the
>> overscan compensation to correct it.
> No, it has nothing to do with resolution. I am not sure what you think
> overscan is. I suggest you read up on it:
> http://en.wikipedia.org/wiki/Overscan. Your TV either overscans or it
> doesn't. Some newer HD sets will have a setting to turn it on or off,
> or may change it depending on the input. Almost all CRT TVs overscan.
> The only difference is by how much.
> I just use mythtv's built in screen size settings or wizard to adjust
> the picture. You can scale the picture in either dimension or you can
> shift it with offsets to move the offending pixels out of the viewable
> area. Again check out the screen size wizard or look at your settings
> menus.

I was told these don't work if you're using VDPAU.

This is all good stuff thanks.

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