Parabolic microphone
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A parabolic microphone is a microphone that uses a parabolic reflector to collect and focus sound waves onto a transducer, in much the same way that a parabolic antenna does with radio waves. Though t
Parabolic microphone used at an American college football game.
A Sony parabolic reflector, without a microphone. The microphone would face the reflector surface and sound captured by the reflector would bounce towards the microphone.
Acoustic location
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Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases, liquids, and in solids.
Parabolic microphone
…supported by a study comparing parabolic microphones to unaided hearing in detecting and comprehending calling subjects at distances out to 2500 meters. Acoustic location Acoustic mirror…
Pre-World War II photograph of Japanese Emperor Shōwa (Hirohito) inspecting military acoustic locators mounted on 4-wheel carriages
Sound location equipment in Germany, 1939. It consists of four acoustic horns, a horizontal pair and a vertical pair, connected by rubber tubes to stethoscope-type earphones worn by the two technicians left and right. The stereo earphones enabled one technician to determine the direction and the other the elevation of the aircraft.
A three-dimensional echo-sounding representation of a canyon under the Red Sea by survey vessel HMS Enterprise