Comment 15 for bug 301174

Fwiw, I see exactly what Scoot sees (err... hears) on Jaunty. A very harsh, loud beep instead of the pleasant sound from the theme:
http://www.alsa-project.org/db/?f=b93fbbb2e5dcf9271d4b078ca1b4abd99b6b854d

However, I can use System/Preferences/Sound and uncheck 'Play alert sound' on the Sounds tab to completely silence it.