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<blockquote data-quote="jazbo8" data-source="post: 377596" data-attributes="member: 88372">I made a little progress today - by switching the audio output rendering device to SoundMax HD instead of the Default DirectSound, I now can get audio. AVIs and MKVs play just fine. But with H.264 1080p material, it is not.The audio quality is very poor - 1) with AC3Filter (I know it is not a part of the SAF, but for S/PDIF, it is pretty good), the sound is out of sync and stutters; 2) with MPA Decoder, it drops out regularly so basically un-listenable. Since I have a old video card that does not support H.264 hardware decoding, my CPU usage is very high, could that have something to do with the stuttering and drop outs? For some reason, the AC3Filter is working better than the MPA Decoder in my present rig, does that provide any clue? Your comments and feedback are much appreciated.Jazp.s. where are the graphedit screenshots stored? Can't seem to locate them after searching my hard drive...</blockquote>

[QUOTE="jazbo8, post: 377596, member: 88372"] I made a little progress today - by switching the audio output rendering device to SoundMax HD instead of the Default DirectSound, I now can get audio. AVIs and MKVs play just fine. But with H.264 1080p material, it is not. The audio quality is very poor - 1) with AC3Filter (I know it is not a part of the SAF, but for S/PDIF, it is pretty good), the sound is out of sync and stutters; 2) with MPA Decoder, it drops out regularly so basically un-listenable. Since I have a old video card that does not support H.264 hardware decoding, my CPU usage is very high, could that have something to do with the stuttering and drop outs? For some reason, the AC3Filter is working better than the MPA Decoder in my present rig, does that provide any clue? Your comments and feedback are much appreciated. Jaz p.s. where are the graphedit screenshots stored? Can't seem to locate them after searching my hard drive... [/QUOTE]

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