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.
Physics Classroom
The Physics Classroom: Intensity and the Decibel Scale
Physics tutorial invites users to learn about sound properties and their perception. Learn more about intensity and the decibel scale, and then take a quiz to check your understanding.
Other
Avatar Consultants, Inc: Definition of Intensity
Power, loudness, and decibel levels of sound waves are described and explained. The relative power output of various musical instruments is given.
Other
Mc Squared: Church Acoustics and Sound Systems
A series of pages written by a sound system design group; the pages provide excellent background information about acoustical topics related to the design and analysis of both sound systems and rooms. Contains a lot of good physics in an...