This is finally fixed in Jaunty, 25.02.2009 live cd. I can playback and record with compiz enabled without any hearable glitch.
** Changed in: linux (Ubuntu) Status: New => Fix Released -- usb audio output has annoying "clicks" when keyboard/mice/touchpad is used and Desktop Effects turned on https://bugs.launchpad.net/bugs/273560 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs