How Tone Affects Shape of the Wave

   

   

These four pictures show four notes of the same pitch sung through different vowels.

These two images show the tuning fork being struck first
in the regular way and second being struck in the middle.

This picture shows Dr. Noe's voice, with many overtones.

Now compare these graphs of calculated sound patterns with our pictures!

Fundamental frequency only       Fundamental and one overtone

Fundamental and two overtones       Fundamental and three overtones