all sound just stops, happened yesterday, and again today. was just running around when i noticed "hey i lost sound" so i cant provide some specifics. after awile, occasionally all i hear is a mount riding by, nothing else.

world Excalibur
Grendle Giggidy
Playstation 3
8/26/13 and 8/27 (noticed it at 1934 CST on 27th)