Re-Enable "Popping" sounds

I want to know why the "popping" sounds were disabled, the ones that sound when I changed the volume, very Mac OSX like.

Is it possible to re-enable them? I'm using Ubuntu 11.10 and I loved those sounds by the way.

Regards

OK, it seems that in it's default configuration 11.10 with compiz doesn't ever play the system alert sound.

To fix this, open /etc/pulse/default.pa:

sudo nano /etc/pulse/default.pa

Around line 158, you should see a line that looks like:

#load-module module-x11-bell sample=bell-windowing-system

Remove the leading "#" so that it reads:

load-module module-x11-bell sample=bell-windowing-system

Save that file, log out and back in, and you should have your alert sounds back.