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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 (e.g. satellite dish) does with radio waves. Though they lack high fidelity, parabolic microphones have great sensitivity to sounds coming from one direction, along the axis of ...
The pipe which held the "collector head" (microphone) can be seen in front of the structure. An acoustic mirror is a passive device used to reflect and focus (concentrate) sound waves. Parabolic acoustic mirrors are widely used in parabolic microphones to pick up sound from great distances, employed in surveillance and reporting of outdoor ...
A boundary microphone (or pressure zone microphone) is one or more small omnidirectional or cardioid condenser mic capsule (s) positioned near or flush with a boundary (surface) such as a floor, table, or wall. The capsule (s) are typically mounted in a flat plate or housing. The arrangement provides a directional half-space pickup pattern ...
The microphone would face the reflector surface and sound captured by the reflector would bounce towards the microphone. A parabolic microphone uses a parabolic reflector to collect and focus sound waves onto a microphone receiver, in much the same way that a parabolic antenna (e.g. satellite dish) does with radio waves.
Parabolic loudspeaker. A parabolic loudspeaker is a loudspeaker which seeks to focus its sound in coherent plane waves either by reflecting sound output from a speaker driver to a parabolic reflector aimed at the target audience, or by arraying drivers on a parabolic surface. The resulting beam of sound travels farther, with less dissipation in ...
Acoustic location. Swedish soldiers operating an acoustic locator in 1940. 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 (such as the atmosphere), liquids (such as water), and in solids (such as in the earth). Location can be done actively or passively:
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