Definitions for "Sound intensity"
Keywords:  watt, pac, intensity, square, meter
Average rate of sound energy transmitted in a specified direction at a point through a unit area normal to this direction at the point considered. Unit, watt per square meter (W/m2); symbol, I (ANSI S1.1-1994: sound intensity; sound-energy flux density; sound-power density).
A measure of the sound energy propagated in a specific direction. Measured as watts/square meter over an area normal to the direction of propagation. The term is often incorrectly used when sound level, or sound pressure level is really intended.
SeeĀ  intensity of sound.