I have this problem. I just bought a new computer. Dell XPS8300. Sometimes it'll lag really bad for 2 - 4 seconds and during that period, the sound will sound really bad and "pixelated". /watch?v=1jaz44vf8ho (add this to the back of the url of youtube.) You can hear what it sounds like on the youtube video. It's about 2 to 3 times worse normally. Does anybody knows what's going on? Thanks!