[mythtv-users] Slight Distortion on Video

Matt Gibson diwelf at gmail.com
Sun Jan 7 00:43:23 UTC 2007


Hi All,

I'm using an ATI card for TV out. When watching tv, or videos, or
anything else, there's a small distortion on the screen.

It's hard to explain, but basically around all outer edges of the
video being displayed, there's like a .1" black area, and sometimes if
there's lots of white on the screen, it pushes it into overscan, and I
don't see the blackness, othertimes I do see it.

Basically it looks like it's a slight oval shape. I've tried overscan
and all that, but that j ust shifts the entire video.

Could it be signal strength or something? If i bypass the mythbox, and
go directly from my cable box, the video output looks great, and
doesn't have the small black areas around top/bottom/left/right. Once
I go back to mythbox, I see the small black bars.

I'm probably just being anal, but little things like this annoy me.

http://www.flewid.ca/myth/DSCN1247.JPG
http://www.flewid.ca/myth/DSCN1247.JPG
http://www.flewid.ca/myth/DSCN1250.JPG

Above are some pictures. The one with the flash you can't really see
except for on the left side there is a little tiny black bar. On the
flashless pictures, you can really see how it's warped on the right
hand side a little bit. The picture makes it look worse than it
actually is, but it's a good indication of where it's happening.

This happens in the myth menus, and in the watch tv, or whatever. No
matter what, with tvoutput I seem to see these little lines.

Any help would be appreciated.

Lines are connected in this fashion:

tv cable in -> coax -> pvr-150 -> svideo out from Radeon 9600 ->
yamaha receiver -> out svideo to TV.

Thanks,
Matt Gibson


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