In the natural world, many situations exist in which a percept remains constant in the presence of profound changes in the physical stimulus affecting the sensory receptors. Some of the most ...

The energy of a sound wave is a measure of the amount of sound present. However, in general we are more interested in the rate of energy transfer, instead of the total energy transferred. Therefore we ...

Sound intensity is referred as the sound power per unit area. It illustrates the flow of acoustic energy produced by a sound source. Not like simple microphones and sound level meters, sound intensity ...