AC97 sound shutters( stammer)

[ytan18]

Hi
i dont much bout audio stuff
i hav a acer laptop tat has AC97 installed on it
the sound shutters (stammer)
i tried updating my sound driver but it dont seems to help
here is some of my audio info:
audio driver version:5.10.0.5950
directx version: 9.0c
audio controller: intel(ich6)
ac97 codec:alc250