Sonogram Demo
by Charlie E.M. Strauss

Requires Igor Pro with the Sound Input XOP, or Igor Pro 3.1

This Demo Contains Two Features:
A Voice Recording Utility 
	which places a recorded sound in a wave. 
An Analysis Function 
	that computes the Sonogram of a waveform.  
Together, they allow you to make a Voice Print.
	Which is an image plot with axes Frequency and Time