[mythtv-users] improve upscaling quality?

[Ma Begaj]

2009/4/11 Glenn Sommer <glemsom at gmail.com>:
> Hi
>
> Personally I see the vdpau patches working WONDERS when using => 720p !
>
> But for SD content over DVB-C, my crappy DVB-C receiver I got from my
> provider gives a lot better picture/motion quality. (It can upscale to
> 1080i).
> Though, when comparing HD channels I see very little difference...
> MythTV with VDPAU does quite a good job here!
>
> So, guess the solution is to get ALL channels to do HD :P hehe
>
>
> 2009/4/11 Jean-Yves Avenard <jyavenard at gmail.com>:
>> Hi
>>
>> 2009/4/11 Gordon McLellan <gordonthree at gmail.com>:
>>> I've tried using the custom resolution feature under myth, but it is
>>> unable to change resolutions, it tries, because the TV shuts down for
>>> a few seconds and then comes back on, but it alway comes back on at
>>> 1920x1080 at 60hz.
>>
>> I found that by default, you can't get any other refresh rate with
>> nvidia cards but 60Hz , unless you disable the GPU scaling in
>> nvidia-settings.
>>
>> It is surprising that you don't get good result with VDPAU, I found
>> their deinterlacer / upscaling really good. Almost as good as my Sony
>> TV

Not other ideas on this subject? There are probably many of us with
the same problem.
My receiver also upscales SD great comparing to mythtv.