Sound problem.. please help.

i got some problem with sound.. i'm using realtek ALC889A onboard sound device with 4 channel. and winxp..
when i start to play game, commentary works fine without problem.. when i play little time my games commentary sound comes and goes. i have checked game's sound settings. and all settings at default. but problem continues.. anyone has experienced this problem?

please help me to get rid of this..

BTW sorry for my bad english..

Have you tried updating the drivers?

yep.. i have updated drivers.. but still the same..

I would recommend invetsing in a sound card.

Read this: http://forums.guru3d.com/showthread.php?t=174494

ok bro i'll take your word and keep it in mind.. really i'm looking forward to Asus Xonar card..
BTW bro what is your sound source? onboard or pci card? name it.

J Smoove, there is a way.

You need Realtek High Definiton Audio Driver for Vista. No advertising. I learned it today.