Chucky did you read my previous post abotu problems with sound files?
Here's the repeat;it might help you:
This is how to do (translated by google
)
Typing Start-> Run-> dxdiag
On the Sound tab, the current sound settings are displayed, and you can test DirectSound.
The slider for setting the sound hardware acceleration is used to correct audio glitches that might be caused by some audio drivers. The best way to troubleshoot DirectSound audio problems is to reduce the acceleration by one notch and re-testing the application. Lowering the Hardware Sound Acceleration Level from the default "full acceleration" may lead to non-functioning of advanced audio processing techniques such as 3D spatialization.