Crackling Sound on Lucid - Humble pack

[aka]

I had this crackling sound here too, but I set the sound driver to OSS in the game. And after restarting it, works OK.

I think PulseAudio is the faulty in the background, systemwide.
PulseAudio would be a nice thing, but #&ß!+?=*/@-:÷.$¤×</rage>