Gnaural (http://gnaural.sourceforge.net/)

Holophonics - (http://en.wikipedia.org/wiki/Holophonics)

http://www.ambiophonics.org/

Binaural Beats - Wiki (http://en.wikipedia.org/wiki/Binaural_beats#Brain_waves)

http://www.auditory.org/recorders.html

http://git.or.cz/

Ah... Statistics.

http://www.techthrob.com/tech/preload.php

Check out... www.moillusions.com, www.grand-illusions.com

Learning is fabulous!