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MediaPortal 1
MediaPortal 1 Talk
Improving Picture Quality in MP
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<blockquote data-quote="jameson_uk" data-source="post: 385105" data-attributes="member: 11220"><p>It is more than likely that the problem you are seeing with the ticker is down to de-interlacing and nothing to do with scaling. The sheer grunt inside a modern GPU makes it a pretty good scaler but not matter how good the scaler you want to try and cut down the amount of times an image is rescaled.</p><p></p><p>Take standard PAL, if you were outputting at 1280x720 then you are scaling the 720x576 picture on the PC to 1280x720 and then your TV is scaling this yet again once it gets to the screen to make it 1366x768. Add onto this that you set might be doing overscan and the picture can end up a little odd as what started off as one pixel in the source has to be split and re-shaped which is where things can look blocky.</p><p></p><p>I have my Panny PZ80 connected up via HDMI but the native res is 1920x1080 so feeding it a 1080p signal means the scaling is only done on the PC. Comparing this to the decent upscaler in my amp (Onkyo 876) or upscaling DVD players produces favourable results.</p><p></p><p>Interlacing is not a problem for me but some cards and codecs are better at it than others.</p><p></p><p>You might be interested in this</p><p><a href="http://www.avforums.com/forums/home-cinema-pcs/944907-sd-interlacing.html" target="_blank">SD Interlacing? - AVForums.com</a></p><p></p><p>I see you have a 780G mobo and I understand that the graphics on this are let down by poor de-interlacing.</p><p></p><p>You might want to consider a new GPU</p></blockquote><p></p>
[QUOTE="jameson_uk, post: 385105, member: 11220"] It is more than likely that the problem you are seeing with the ticker is down to de-interlacing and nothing to do with scaling. The sheer grunt inside a modern GPU makes it a pretty good scaler but not matter how good the scaler you want to try and cut down the amount of times an image is rescaled. Take standard PAL, if you were outputting at 1280x720 then you are scaling the 720x576 picture on the PC to 1280x720 and then your TV is scaling this yet again once it gets to the screen to make it 1366x768. Add onto this that you set might be doing overscan and the picture can end up a little odd as what started off as one pixel in the source has to be split and re-shaped which is where things can look blocky. I have my Panny PZ80 connected up via HDMI but the native res is 1920x1080 so feeding it a 1080p signal means the scaling is only done on the PC. Comparing this to the decent upscaler in my amp (Onkyo 876) or upscaling DVD players produces favourable results. Interlacing is not a problem for me but some cards and codecs are better at it than others. You might be interested in this [url=http://www.avforums.com/forums/home-cinema-pcs/944907-sd-interlacing.html]SD Interlacing? - AVForums.com[/url] I see you have a 780G mobo and I understand that the graphics on this are let down by poor de-interlacing. You might want to consider a new GPU [/QUOTE]
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