• Acoustic location
  Acoustic location
  Acoustic location is the science of using sound to determine the distance and direction of something. Location can be done actively or passively, and can take place in gases , liquids , and in solids .* Active acoustic location involves the creation of sound in order to produce an echo, which is...
  
  , the general use of sound to locate objects
• Animal echolocation
  Animal echolocation
  Echolocation, also called biosonar, is the biological sonar used by several kinds of animals.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 echoes to locate and identify the objects...
  
  , non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate
• Human echolocation
  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 or making clicking noises with their mouths – people trained to orientate with...
  
  , the use of sound by people to navigate
• Sonar
  Sonar
  Sonar is a technique that uses sound propagation to navigate, communicate with or detect other vessels...
  
   (sound navigation and ranging), the use of sound to navigate or to locate other watercraft, usually by submarines
• Echo sounding
  Echo sounding
  Echo sounding is the technique of using sound pulses directed from the surface or from a submarine vertically down to measure the distance to the bottom by means of sound waves. This information is then typically used for navigation purposes or in order to obtain depths for charting purposes...
  
  , 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 ultrasonography
  Diagnostic sonography is an ultrasound-based diagnostic imaging technique used for visualizing subcutaneous body structures including tendons, muscles, joints, vessels and internal organs for possible pathology or lesions...
  
  , the use of ultrasound echos to look inside the body
• Echolocation (album)
  Echolocation (album)
  Echolocation is the debut album by American folk-rock band Fruit Bats, released in 2001.-Track listing:All songs by Eric D. Johnson.#"The Old Black Hole" – 5:04#"Glass in Your Feet" – 3:52#"Buffalo and Deer" – 5:14#"Need It Just a Little" – 4:57...
  
  , a 2001 album by Fruit Bats

See also

• Radar
  Radar
  Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...
  
  , locating objects by detecting the echo of emitted radio waves
• Time to Echolocate
  Time to Echolocate
  Time to Echolocate is the debut album by American indie-rock band The Ebb and Flow, released in 2005....
  
  , a 2005 album by The Ebb and Flow