Try to updating pulseaudio from ppa:ricotz/unstable. On my system (ASUS UL30A) this action resolve any sound problem (was https://bugs.launchpad.net/pulseaudio/+bug/496616 now all good).
Try to updating pulseaudio from ppa:ricotz/ unstable. On my system (ASUS UL30A) this action resolve any sound problem (was https:/ /bugs.launchpad .net/pulseaudio /+bug/496616 now all good).