How mp3 works & tone deafness

This is pretty interesting
http://www.tektronix.com/Measurement/cgi-bin/framed.pl?Document=/Measurement/App_Notes/mpegfund/sect3.html&FrameSet=television

as is this
http://ccrma-www.stanford.edu/~levitin/TD_casys.html

--
John Starrett
"We have nothing to fear but the scary stuff."
http:\www-math.cudenver.edu/~jstarret/microtone.html