Scratchy/Broken sound output in Kubuntu 12.04.1

[Guest]

I'm using Kubuntu 12.04.1 LTS. I'm getting a scratchy/broken sound output. Help me.

My audio devive details

srikar@freedom:~$ lspci | grep Audio
00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI Wrestler HDMI Audio [Radeon HD 6250/6310]
00:14.2 Audio device: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) (rev 40)

[Guest]

Can someone help me with this problem.

[whatthefunk]

Maybe its this problem:
http://www.kubuntuforums.net/showthr...lseaudio-sound