Clement, do you have working sound if you downgrade all pulseaudio related packages to the ubuntu3 version? You can do this by using apt-get --reinstall install packagename=version, for pulseaudio, libpulsedsp, libpulse-mainloop-glib0, pulseaudio-utils, pulseaudio-module-x11, pulseaudio-module-bluetooth and libpulse0, I think thats all of them. :)
Clement, do you have working sound if you downgrade all pulseaudio related packages to the ubuntu3 version? You can do this by using apt-get --reinstall install packagename= version, for pulseaudio, libpulsedsp, libpulse- mainloop- glib0, pulseaudio-utils, pulseaudio- module- x11, pulseaudio- module- bluetooth and libpulse0, I think thats all of them. :)