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<blockquote data-quote="Owlsroost" data-source="post: 523036" data-attributes="member: 83973">1. Stretching/scaling/zooming etc are basically the same thing, in the sense that it's taking an image of size x and mapping it onto a display of (larger/higher resolution) size y. How good this looks depends on the algorithm used (and the source material). Generally 'upscaling' implies some attempt to add synthetic detail derived from, but not actually present in, the source e.g. edge sharpening and smoothing of diagonal edges to reduce 'jaggies'. The problem with this is that with noisy sources it can make the noise look worse so there's a lot of trade-offs to be made....hence the varying opinions....2. The PowerDVD codecs will automatically use DXVA if it's available and the only way I know of to check is by using GraphStudio to 'remote connect' to the filter graph while MP is playing (see the link in my sig below), and looking at the filter properties. With H.264 material you should see a dramatic drop in CPU usage with DXVA in use (the 9600GT has full H.264 hardware decode capability).The latest versions of PowerDVD 8 &amp; 9 don't allow use of their h.264 codecs in other apps, so you are better off with an older version - I use PowerDVD 7 myself. Also take a look at <a href="https://forum.team-mediaportal.com/codecs-external-players-55/saf-v4-00rc1-standalone-filters-dxva-ready-mpeg2-h-264-vc-1-a-44614/" target="_blank">SAF</a>.Tony</blockquote>

[QUOTE="Owlsroost, post: 523036, member: 83973"] 1. Stretching/scaling/zooming etc are basically the same thing, in the sense that it's taking an image of size x and mapping it onto a display of (larger/higher resolution) size y. How good this looks depends on the algorithm used (and the source material). Generally 'upscaling' implies some attempt to add synthetic detail derived from, but not actually present in, the source e.g. edge sharpening and smoothing of diagonal edges to reduce 'jaggies'. The problem with this is that with noisy sources it can make the noise look worse so there's a lot of trade-offs to be made....hence the varying opinions.... 2. The PowerDVD codecs will automatically use DXVA if it's available and the only way I know of to check is by using GraphStudio to 'remote connect' to the filter graph while MP is playing (see the link in my sig below), and looking at the filter properties. With H.264 material you should see a dramatic drop in CPU usage with DXVA in use (the 9600GT has full H.264 hardware decode capability). The latest versions of PowerDVD 8 & 9 don't allow use of their h.264 codecs in other apps, so you are better off with an older version - I use PowerDVD 7 myself. Also take a look at [URL="https://forum.team-mediaportal.com/codecs-external-players-55/saf-v4-00rc1-standalone-filters-dxva-ready-mpeg2-h-264-vc-1-a-44614/"]SAF[/URL]. Tony [/QUOTE]

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