Echolocation

Echolocation is the use of sound as a form of navigation.

Navigation using sound

 * Acoustic location, the general use of sound to locate objects.
 * Animal echolocation, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate.
 * Human echolocation, the use of sound by people to navigate.
 * Sonar (sound navigation and ranging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines.
 * Echo sounding, listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar.
 * Medical ultrasonography, 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