See https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1774904/comments/4. gnome-control-center should rather add libcanberra-pulse to depends rather than just recommends.
See https:/ /bugs.launchpad .net/ubuntu/ +source/ pulseaudio/ +bug/1774904/ comments/ 4. gnome-control- center should rather add libcanberra-pulse to depends rather than just recommends.