training one aural component

ear training

Hey, I now that this does not specifically concern N-track, but I am curious if any of you fine people have used software or other methods to train your ear to hear pitches and identify notes. Thanks for your input.

http://sourceforge.net/projects/solfege/
is a good one, also

http://www.musictheory.net/
see the training section.

There are anothers good ones, but i dont remember the links.
Also give a look to this article:
http://audiominds.com/trust.php

luck!