Georgia State University
Georgia State University: Hyper Physics: The Place Theory
An indexing page for an elaborate and in-depth hyper-textbook on various physics topics. This page indexes several others which pertain to human ability to perceive sound and recognize pitch. Introduces and explains Place Theory.
Georgia State University
Georgia State University: Hyper Physics: Sound Level Measurement
Home page for a hypertext physics course. Users can access subjects ranging from the sound wave parameters that effect hearing and communication to OSHA worplace standards.
Other
Science Frontiers Online: Throat Singing
This site has an interesting discussion of how humans shape their voice to produce a variety of sounds. Discussion focuses upon the technique of "throat-singing," a method of creating vocal sounds unlike any other.