[mythtv-users] TV out size

[Michael Skaastrup]

tor, 21 02 2008 kl. 13:39 +0000, skrev Tim Phipps:

> Michael Skaastrup wrote:
> > There is some overscan in live tv which I expected but the image is not 
> > perfectly centered and OSD menu is slightly off screen to the left.
> > 
> > Can this be remedied?
> 
> I don't think you can fix the image centering apart from adjusting the
> TV set (don't do it, there's high voltage in there). I think you may be
> able to edit the OSD theme to move it around, but I've not tried it so I
> don't know the details.
> 

When lurking around I found that MythTV can control zoom and move the
image off-center. 

I can adjust the image to make it presentable on different tv types.

So problem solved.


> >>  That's going to have a de-interlacer running even in 720x576Noscale so  
> >>  you might have to live with a bit of smearing with interlaced action.  
> >>  Films might be OK. 
> > 
> > You are rigth on. I get a little smearing or blurriness on action. Can i 
> > solve this by de-interlacing output?
> 
> I doubt it. De-interlacing always compromises the picture quality, doing
> it twice will probably make it worse. Since your TV-out is 50Hz
> interlaced and you TV-set is 100Hz (interlaced?) you will have to have a
> deinterlacer of some sort. I think the only way to not have motion smear
> is to have MythTV use onefield de-interlace. But then you lose half the
> vertical resolution. It won't get any better with LCD/plasma/OLED either
> since they're all progressive technologies and the broadcast stuff looks
> like sticking with interlaced. Anyone know if projectors can do interlaced?


The smearing is just something I will have to get used to. Hopefully
this will go away with digital connections and flat panels.

Thank you for helping me. 

-Michael


> 
> Cheers,
> Tim.
> 
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