what is sound

description

sound glossary

Absorption The tendency of sound waves to be soaked up by soft surfaces.

Amplitude The strength of sound waves or an electrical signal;determines loudness.

Amplifier Increases the amplitude of a signal.

Attenuate To make weaker.

Conductor element that allows the free transmission of sound.

dB (Decibel) A relative unit of measure between two sound or audio signal levels. A difference 1 dB is considered to be the smallest that can be detected by the human ear.

Dispersion The area throughout which the sound produced is distributed.