A form of energy that creates a wave that can be detected by our ears.
An oscilation of air pressure. One wave is measured from the point of null (average room) pressure past both points of greatest (crest) and least (trough) pressure to the point of normal pressure. The length of the wave is measured in feet. The frequency is measured in Hertz (when time is factored in).
The pattern of the changes in air pressure through time that results in the percept of a sound. go to glossary index
alternating low and high pressure areas, moving through the air which are interpreted as sound when collected in the ear.
(acoustics) a wave that transmits sound
a classic example of a longitudinal wave
a compressional disturbance in a medium (air, water, etc
a compressional disturbance that will propagate in most materials
a compression or increase in pressure for the first half of the cycle, followed by a decrease in pressure for the second half
a compression wave
a longitudinal wave because the thing that is "waving," the molecules of air, are moving in the same direction as the wave itself
a mechanical wave moving through a compressible medium such as air
a mechanical wave that results from the vibration of molecules (which are larger than atoms)
a moving series of compressions (high pressure) and rarefactions (low pressure)
an example of a mechanical wave
a pressure disturbance which travels through a medium by means of particle interaction
a pressure wave alternating between high and low pressure areas
a series of traveling pressure changes in the air
a traveling pattern in which the air pressure increases and decreases rapidly with time
A pressure fluctuation that propagates in air, or any other elastic medium. See: Compression, Rarefaction.
Short for Sound Pressure Wave (a wave of pressure changes moving away from something that is vibrating between 20 times a second and 20,000 times a second).
Continuous audio frequency signal taking the form of a wavy line similar to waves on the water with frequency determining the length of the waves and amplitude or volume determining the height of the waves.
Alternating high and low pressure areas, moving through air or any other medium such as water or bone. Perceived as sound when cochlear stimulation occurs.
Pressure wave set in motion by any event that generates energy. This pressure wave is detected by the hearing mechanism as sound.
Pressure waves propagated through air or other plastic media. Sound waves are generally audible to the human ear if the frequency is between approximately 20 and 20,000 vibrations per second. (hertz)