Echolocation is the use of

sound In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the ...

as a form of navigation.

Navigation using sound

Acoustic location Acoustic location is the use of sound to determine the distance and direction of its source or reflector. Location can be done actively or passively, and can take place in gases (such as the atmosphere), liquids (such as water), and in solids (s ...

, the general use of sound to locate objects. **

Animal echolocation Echolocation, also called bio sonar, is a biological sonar used by several animal species. Echolocating animals emit calls out to the environment and listen to the echoes of those calls that return from various objects near them. They use these ...

, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate. **

Human echolocation Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds: for example, by tapping their canes, lightly stomping their foot, snapping their fingers, or makin ...

, the use of sound by people to navigate. **

Sonar Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigation, navigate, measure distances (ranging), communicate with or detect o ...

(sound navigation and ranging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines. **

Echo sounding Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water (bathymetry). It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; ...

, listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar. **

Medical ultrasonography Medical ultrasound includes diagnostic techniques (mainly medical imaging, imaging techniques) using ultrasound, as well as therapeutic ultrasound, therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal ...

, the use of ultrasound echoes to look inside the body.

Other

* ''Echolocation'' (album), a 2001 album by Fruit Bats * ''Echolocation'', a 2017 album by

Gone Is Gone Gone Is Gone is an American rock supergroup formed in 2016. The band consists of Troy Sanders, singer and bassist of Mastodon, Troy Van Leeuwen, one of the guitarists of Queens of the Stone Age, Tony Hajjar, drummer of At the Drive-In, and Mik ...

Navigation using sound

Other

See also