[mythtv-users] unclear when to be satisfied with tv out quality

DanM dan at milkcarton.com
Sun Nov 2 17:55:09 EST 2003


dan at orca1.com wrote:

>  Hi,
>
>  I've set up mythtv using a pvr250 and the S-video tv-out of a
>  GeForce4 MX440. I think the picture quality is pretty good when I'm
>  watching tv (once I set the de-interlace playback option). However,
>  on some screens such as "Play Music", which has long horizontal
>  lines, the lines appear to slightly bounce.
>
>  My (limited) understanding is that I'm seeing interline-flicker (or
>  line twitter), which are interlace artifacts. My question, though, is
Dan, I ended up changing to a theme without a lot of lines.  visor works 
pretty good.
-dan
>  whether I should just accept what I'm seeing as good enough. Are
>  there XFree86 settings or nvidia driver settings to get rid of the
>  bouncy lines? I'm assuming that if people are viewing web browsers on
>  their tvs that they must not see these bouncy lines. Bringing up a
>  web browser causes much more bounciness for me than any of the mythtv
>  screens.
>
>  So, basically I'm asking: 1) Are these bouncy lines unavoidable? If
>  so, does everyone just learn to ignore them? If not, is there
>  something I can do to fix it? 2) Would a better graphics card/tv
>  out/VGA to TV converter fix the problem?
>
>  I'll reiterate, though, that the tv playback looks good, as does the
>  image viewer, and the music visualizations. It's just when there are
>  long horizontal lines, they seem to bounce slightly.
>
>  Thanks for any help,
>
>  Dan.
>
>
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