Problems with sound only on video not audio files

Hello
My first post here. I am having some problems with sound on video files. It is almost no sound, and the sound that is there is only crackling noise. I have the Creative X-treme audio soundcard and have installed the Vista codec pack and the K-lite codec pack. I have also updated the soundcard driver. The thing is that these problems only occure on video files, not on audio files such as mp3's. Can anyone help me?

About alsa dmix, and for the record:
On an Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, the following are my finding about
quality/cpu when mixing two streams at 44khz:
a snippet from my .asoundrc
#converter "samplerate_best" # perfect: 16%cpu, maybe overkill
#converter "samplerate_medium" # almost perfect: 6%cpu
#converter "samplerate" # good: 4%cpu, definitely usable
#converter "samplerate_linear" # bad: 2%cpu, way better than default wine resampler
#converter "samplerate_order" # very bad: 2%cpu, like the default wine resampler
Here is the reference topic: https://bbs.archlinux.org/viewtopic.php?pid=942724
I may be wrong, but in an opensource world (code reusing), i really doubt pulseaudio could lead to better quality/cpuuse tradeoff.
Pulseaudio, being just another layer atop of alsa, could only lead to higher cpu usage.
Last edited by kokoko3k (2013-11-11 15:33:41)

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