Graphic Equalizer

I would like to see a system wide graphic equalizer installed to control all computer sounds.

Here is something like I am talking about:

http://jrs-s.net/2011/03/17/graphic-equalizer-treblebass-under-linuxgnome/

and

http://www.webupd8.org/2010/02/pulseaudio-system-wide-equalizer-now.html