Static Problem

[Helpmeplz]

Well the thing is when i start playing, the games sound little by little goes turning into static till i cant hear a thing. What can i do about it?
TS sounds satys in perfect condition but u cant hear the bullets passing by... :D

What can i do?

[guldi]

onboard sound chip ? they're well known for bad quality
what you can try:

- update all sound drivers / directx
- try wave or direct sound in TS
- onboard chip: try a "real" sound card