Question / Help Microphone quality goes to junk when background audio is happening.

[decimaul]

I have some proof in the video around 40 seconds.
http://www.twitch.tv/decimaul/b/542710528
Audio quality goes to rubbish when I have any sort of background music or noise(Not real life stuff, in-computer noise)
Please help!

 

[dodgepong]

Can you post your log? (Here's how)

 

[decimaul]

Okay here you go!