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<blockquote data-quote="Lotsofjazz" data-source="post: 235210" data-attributes="member: 64243"><p>Could be a codec issue.. Ever considered to install Vista? It solved many of my video problems.</p><p></p><p>If you have installed Mediaportal, and leave the codecs MPV and Descaler checked, I am pretty sure Dscaler is messing up your sound!.. Unregister Descaler, and you are done, because then the proper audio codecs are used.. I had the same problem in XP Pro! Descaler was decoding after AC3filter was done decoding allready.. and no way I tried to set the merits lower, it stubburnly loaded no matter if another codec was doing the work allready (check with graphedit, while playing the movie in Mediaportal, open Graphedit, file>connect to remote application).. So you MUST uninstall the Dscaler codec to get rid of this problem.. dont be afraid you mess up, because you probably have much better codecs installed.</p><p></p><p>download Radlight to manage your codecs, Open radlight, click plus in front of directshow filters, scroll down to the dscaler audio codec, select it and click on the Unregister button below. Restart your computer, play movie.. did it help? Also if you have MPV codecs installed, lower the merits to NORMAL. This also can be done using Radlight.. you must restart your computer to effect the merit changes!!</p><p></p><p>As for codecs if have the following (no guarantee it works for you, because you have a completely different system):</p><p></p><p>For movies in media portal setup: </p><p>Mpeg2 codec: Cyberlink Video decoder/SD PDVD7 (hardware acelleration ON in directshow filters, mediaportal setup), this codec comes with PowerDVD Ultra (you can download a trial)</p><p>Mpeg4/H264 codec: ffdshow (somehow cyberlink H264 codec doesn work properly, lot of stutter and blocking with some movies)</p><p>Audio: MPA audio codec (comes with Mediaportal), somehow with other codecs, they dont get the signal to the SPDIF, with MPA it just works as it should, dont ask me why AC3Filter/ffdshow Audio Codec, doesnt work in Vista anymore (it did in XP Pro), yes I checked to passthrough to SPDIF for AC3 and DTS (DTS worked, AC3 did NOT under Vista!)</p><p></p><p>For TV I have the same, except for H264 I do use the hardware accelleration of the cyberlink H264 codec... here ffdshow doesnt work with live TV and just shows a blank screen.. I think this is because ffdshow builds a buffer before actually showing the picture, and this interferes with the timeshifting function also trying to build a file at the same time. Somehow the Cyberlink H264 does work perfectly with TV, smooth playback of National Geographic HD signal at 1080i/50Hz (PAL) output at 720P/50Hz on HDMI to JVC LT32S60</p><p></p><p>Something else to consider:</p><p></p><p>Make sure your Input TV signal matches the TV refresh rate. If you are in PAL broadcast area(europe) it should be a multitude of 25, otherwise you get the phenomenon called tearing, like a part of the picture is shifted along a line(tear) horizontally more to the right or left then the rest of the picture.</p><p></p><p>Also you should set Vsync to Allways on.. in my display driver setup software this could be found under 3D settings, normally only interesting for gamers, but with (digital) video this is also a very important setting. If you cant find Vsync, try Wait for vertical Refresh, or search on the support website of your graphics card for the term Vsync..</p><p></p><p>At least this helps to smoothen your videoplayback, and with that also the audio playback should improve.</p><p></p><p>One more thing you could try is to install an extra strip of 1Gb memory, 1Gb is a little low for High Def video playback</p><p></p><p>I hope this helps!</p></blockquote><p></p>
[QUOTE="Lotsofjazz, post: 235210, member: 64243"] Could be a codec issue.. Ever considered to install Vista? It solved many of my video problems. If you have installed Mediaportal, and leave the codecs MPV and Descaler checked, I am pretty sure Dscaler is messing up your sound!.. Unregister Descaler, and you are done, because then the proper audio codecs are used.. I had the same problem in XP Pro! Descaler was decoding after AC3filter was done decoding allready.. and no way I tried to set the merits lower, it stubburnly loaded no matter if another codec was doing the work allready (check with graphedit, while playing the movie in Mediaportal, open Graphedit, file>connect to remote application).. So you MUST uninstall the Dscaler codec to get rid of this problem.. dont be afraid you mess up, because you probably have much better codecs installed. download Radlight to manage your codecs, Open radlight, click plus in front of directshow filters, scroll down to the dscaler audio codec, select it and click on the Unregister button below. Restart your computer, play movie.. did it help? Also if you have MPV codecs installed, lower the merits to NORMAL. This also can be done using Radlight.. you must restart your computer to effect the merit changes!! As for codecs if have the following (no guarantee it works for you, because you have a completely different system): For movies in media portal setup: Mpeg2 codec: Cyberlink Video decoder/SD PDVD7 (hardware acelleration ON in directshow filters, mediaportal setup), this codec comes with PowerDVD Ultra (you can download a trial) Mpeg4/H264 codec: ffdshow (somehow cyberlink H264 codec doesn work properly, lot of stutter and blocking with some movies) Audio: MPA audio codec (comes with Mediaportal), somehow with other codecs, they dont get the signal to the SPDIF, with MPA it just works as it should, dont ask me why AC3Filter/ffdshow Audio Codec, doesnt work in Vista anymore (it did in XP Pro), yes I checked to passthrough to SPDIF for AC3 and DTS (DTS worked, AC3 did NOT under Vista!) For TV I have the same, except for H264 I do use the hardware accelleration of the cyberlink H264 codec... here ffdshow doesnt work with live TV and just shows a blank screen.. I think this is because ffdshow builds a buffer before actually showing the picture, and this interferes with the timeshifting function also trying to build a file at the same time. Somehow the Cyberlink H264 does work perfectly with TV, smooth playback of National Geographic HD signal at 1080i/50Hz (PAL) output at 720P/50Hz on HDMI to JVC LT32S60 Something else to consider: Make sure your Input TV signal matches the TV refresh rate. If you are in PAL broadcast area(europe) it should be a multitude of 25, otherwise you get the phenomenon called tearing, like a part of the picture is shifted along a line(tear) horizontally more to the right or left then the rest of the picture. Also you should set Vsync to Allways on.. in my display driver setup software this could be found under 3D settings, normally only interesting for gamers, but with (digital) video this is also a very important setting. If you cant find Vsync, try Wait for vertical Refresh, or search on the support website of your graphics card for the term Vsync.. At least this helps to smoothen your videoplayback, and with that also the audio playback should improve. One more thing you could try is to install an extra strip of 1Gb memory, 1Gb is a little low for High Def video playback I hope this helps! [/QUOTE]
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