sound

a tough memrane about 1 mm thick

spiral shaped structure that is filled with liquid and contains tiny hair cells

amount of energy that flows through a specific area in a specific amount of time

the human perception of sound intensity

each unit on the scale for sound intensity

how high or low a sound seems to be

sound frequencies above 20,000 Hz

the change in pitch or wave frequency due to a moving wave source

sounds that are deliberately used in a regular pattern

differences among sounds of the same pitch and loudness

a vibration whose frequency is a multiple of the fundamental frequency

a hollow chamber filled with air that amplifies sound when the air inside of it vibrates

the study of sound

the process  of locating objects by emitting sounds and interpreting the sound waves that are reflected back

a system that uses underwater sound waves to detect objects