Windows Media Player making weird noise?

[Mr.Bon]

What the hell? It only does this on WMP and on certain files/folders, If I open the same file with say, a different player its fine.

Here is a video of the 'noise'
It just started to do this!!!

http://www.youtube.com/watch?v=OUsBKS8ZS7o

 

[Trinitrotoluene]

Sounds like a codec is messed up

http://ac3filter.net/

Try installing that