Section 2
Sound Intensity and Level
Book
Version 3
By Boundless
By Boundless
Boundless Physics
Physics
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/16474/square/figure-18-03-01ab.jpeg)
Intensity
Sound Intensity is the power per unit area carried by a wave. Power is the rate that energy is transferred by a wave.
![Thumbnail](../../../../../../figures.boundless-cdn.com/16477/square/humanear-grayscale.jpg)
Human Perception of Sound
The study of human perception of sound is called psychoacoustics.
![Thumbnail](../../../../../../figures.boundless-cdn.com/16468/raw/fletchermunson-elc.jpg)
Decibels
The decibel is a logarithmic unit used to quantify sound levels, by comparing a physical quantity to a reference level.