setting frequency using CoreAudio (like iTunes - Equalizer )

FROM : Rajeswar Rao
DATE : Thu May 08 08:44:58 2008

Hi,


I am trying to implement iTunes-Equalizer kind of functionality to my 
mp3 playback.
Can any body direct me how to do this.

I started looking into CoreAudio frameworks.
So far I couldn't get how to set the frequency to the Audio.

Any help.

thanks in Advance
raj