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MediaPortal 1
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SAF v4.00 ''stable'' (StandAlone Filters) - DXVA ready (H.264 and VC-1).
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<blockquote data-quote="kiwijunglist" data-source="post: 526680" data-attributes="member: 76888"><p><strong>@bart0190</strong></p><p></p><p>The stuttering full HD video panning landscapes you describe may relate to 24fps judder which is inherient with 24fps material (24fps is not a very fast frame rate). Or it may relate to your screen refresh rate =/= fps of source material. It is not necessarily related to your video card being maxed out. The fact that you have low judder and 0 dropped frames suggests that it is not your video card that is causing the problem, i imagine it is probably either refresh rate or just the fact that the original video does have slight jerking related to 24fps. However if you want your onboard HD3200 to run faster, changing the FSB (HT freq) has a much greater effect than changing VGA core. I used to overclock my HD3200 HT to 1375Mhz and it was fine.</p><p></p><p><a href="http://www.overclock.net/htpc/313038-overclocking-780g-hd3200.html" target="_blank">Overclocking the 780G/HD3200 - Overclock.net - Overclocking.net</a></p><p><a href="http://www.gpforums.co.nz/showthread.php?s=&postid=6095153" target="_blank">GP Forums - Increasing HT frequency for 780G</a></p><p></p><p>In the end best overclock settings for me were:</p><p>[collapse]FSB = 275Mhz (This gives HT 1375Mhz)</p><p>CPU multiplier = (Drop this to keep your CPU running at same speed, CPU Speed = FSB (Increased) x Multiplier (Decrease)</p><p>RAM = Auto, may need to increase the voltage by +0.1 to +0.2 volts</p><p>Northbridge = may need to increase voltage by +0.1 to +0.2 volts</p><p>HD3200 shared memory = 512mb (Don't use auto)</p><p>VGA Core = 600 Mhz[/collapse]</p><p></p><p>This is an interesting read -> <a href="http://www.projectorcentral.com/judder_24p.htm" target="_blank">The Big Judder Problem and the Overhyping of 24p</a></p><p></p><p>[collapse]... motion judder, an extremely annoying artifact that derives from the fact that movies are filmed at 24 frames per second (fps). The 24 fps sampling rate was adopted as a de facto standard in 1926 when the budding film industry recognized they needed a sampling rate fast enough to support a coherent audio track ... The industry standard 24 fps film rate is an albatross that we've been stuck with ever since. As it turns out, it is way too slow to resolve camera panning motion cleanly. So when a movie camera pans at an unfortunate speed, you get motion judder. Sometimes you get it in spades ...</p><p></p><p>... The sad fact is, your high resolution 1080p/24 system is simply showing you the picture as encoded on the Blu-ray disc in its authentic naked form ... in a commercial movie theater the double shuttering action of the movie theater's projection system reduces the experience of judder and flicker. You can see some judder in the movie theater, but it is not as pronounced as it is on a digital home theater projector playing Blu-ray or HD DVD at 24p ...</p><p></p><p>... Professional cinematographers are acutely aware of the limitations of 24 fps capture rates. They go to great lengths to control the camera in such a way that juddering effects are minimized, because directors don't like it any more than we do. One common technique is to put the camera on a track and move the camera at the same pace as a moving subject, so that the subject remains stationary in the frame. If the subject does not move across the screen, the subject does not judder. However, if the background is moving behind the subject, the background will indeed judder ...[/collapse]</p></blockquote><p></p>
[QUOTE="kiwijunglist, post: 526680, member: 76888"] [B]@bart0190[/B] The stuttering full HD video panning landscapes you describe may relate to 24fps judder which is inherient with 24fps material (24fps is not a very fast frame rate). Or it may relate to your screen refresh rate =/= fps of source material. It is not necessarily related to your video card being maxed out. The fact that you have low judder and 0 dropped frames suggests that it is not your video card that is causing the problem, i imagine it is probably either refresh rate or just the fact that the original video does have slight jerking related to 24fps. However if you want your onboard HD3200 to run faster, changing the FSB (HT freq) has a much greater effect than changing VGA core. I used to overclock my HD3200 HT to 1375Mhz and it was fine. [url=http://www.overclock.net/htpc/313038-overclocking-780g-hd3200.html]Overclocking the 780G/HD3200 - Overclock.net - Overclocking.net[/url] [url=http://www.gpforums.co.nz/showthread.php?s=&postid=6095153]GP Forums - Increasing HT frequency for 780G[/url] In the end best overclock settings for me were: [collapse]FSB = 275Mhz (This gives HT 1375Mhz) CPU multiplier = (Drop this to keep your CPU running at same speed, CPU Speed = FSB (Increased) x Multiplier (Decrease) RAM = Auto, may need to increase the voltage by +0.1 to +0.2 volts Northbridge = may need to increase voltage by +0.1 to +0.2 volts HD3200 shared memory = 512mb (Don't use auto) VGA Core = 600 Mhz[/collapse] This is an interesting read -> [url=http://www.projectorcentral.com/judder_24p.htm]The Big Judder Problem and the Overhyping of 24p[/url] [collapse]... motion judder, an extremely annoying artifact that derives from the fact that movies are filmed at 24 frames per second (fps). The 24 fps sampling rate was adopted as a de facto standard in 1926 when the budding film industry recognized they needed a sampling rate fast enough to support a coherent audio track ... The industry standard 24 fps film rate is an albatross that we've been stuck with ever since. As it turns out, it is way too slow to resolve camera panning motion cleanly. So when a movie camera pans at an unfortunate speed, you get motion judder. Sometimes you get it in spades ... ... The sad fact is, your high resolution 1080p/24 system is simply showing you the picture as encoded on the Blu-ray disc in its authentic naked form ... in a commercial movie theater the double shuttering action of the movie theater's projection system reduces the experience of judder and flicker. You can see some judder in the movie theater, but it is not as pronounced as it is on a digital home theater projector playing Blu-ray or HD DVD at 24p ... ... Professional cinematographers are acutely aware of the limitations of 24 fps capture rates. They go to great lengths to control the camera in such a way that juddering effects are minimized, because directors don't like it any more than we do. One common technique is to put the camera on a track and move the camera at the same pace as a moving subject, so that the subject remains stationary in the frame. If the subject does not move across the screen, the subject does not judder. However, if the background is moving behind the subject, the background will indeed judder ...[/collapse] [/QUOTE]
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