very wierd problem

[magicalbeef]

hi guys
after sorting my dm600 last nite, i came in this morning, and its all working fine, except all of the sound, and voices are very deep, like they are being played in slow motion! but the pic is fine! anyone ever heard of such an odd problem? its doing my head right in lol

 

[magicalbeef]

sorted peeps, very odd tho lol