I am using Ubuntu 12.04 LTS on my PC and laptop.

My (pc has a keyboard with a volume nob | laptop has a fnc key sequence) that operates correctly while on the desktop.

However when I am in a game like Openarena the sound does not work.
Is there any way to remedy this and have it function?
I do not require the popup notification of sound level, but it would be great to be able to adjust sound on my PC and Laptop while in game.

Thanks in advance!