[mythtv-users] HDTV Setup Question

David K dkickham at gmail.com
Tue Nov 27 01:12:12 UTC 2007

Thanks Ben, that got rid of the overscan.

As for the recording playback, I think that I have may have narrowed it down
a little.  I've turned on "Deinterlace Playback" under the MythTV TV
Settings.  This got rid of the jaggedness of the image, but it is still very
blurry.  I've tried all four of the de-interlacing algorithms, and none of
them got rid of the blurriness.

Anyone have an idea how to get rid of the blurriness now?



On Nov 26, 2007 4:34 PM, Ben Kevan <ben.kevan at gmail.com> wrote:

> On Monday 26 November 2007 02:15:11 pm David K wrote:
> > I've just upgraded from an old CRT to a Panasonic TH-42PZ77U.  I am
> > connected to my box (M2NPV-VM running Ubuntu) using DVI->HDMI, and I
> just
> > can't get the display to work right.  The TV's manual says it has a
> native
> > resolution of 1920x1080, so I tried both Mode "1920x1080_60" and Mode
> > "1080p" in my xorg.conf.  There are two problems: 1) normal display and
> 2)
> > watching recordings (live tv).
> >
> > 1) Normal Display
> > There is a good bit of overscan on screen.  A bunch of the desktop is
> > cropped off of the TV.  Should I set the overscan in xorg.conf?  I
> didn't
> > think this would be necessary for a non-CRT TV.
> >
> > 2) Watching Recordings
> > I'm still capturing video with a PVR-150 (my HDHomerun is on order).  On
> my
> > CRT the video looked just fine.  Now with the HDTV everything is jagged.
> > It looks like the horizontal lines aren't aligned or something.  I've
> tried
> > changing the aspect ratio, but that didn't help the picture.
> >
> > Does anyone have any ideas?  Or if anyone has a similar setup, what did
> you
> > put in your xorg.conf?  I can attach mine when I get home tonight if
> that
> > helps.
> >
> > Thanks in advance,
> >
> > David
> Answer for 1:
> Go into your Picture settings and change the HD Settings to 2 instead of 1
> That will give you native 1:1 pixel mapping.
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