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  2. Parabolic microphone - Wikipedia

    en.wikipedia.org/wiki/Parabolic_microphone

    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 ...

  3. Raymond A. Litke - Wikipedia

    en.wikipedia.org/wiki/Raymond_A._Litke

    Raymond A. Litke (1920-1986) was an American electronic engineer, the inventor of a practical wireless microphone, and the first to patent the wireless microphone.He was born and raised on a farm near Alma, Kansas, but spent most of his adult life in San Jose, California.

  4. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    Shure Brothers microphone, model 55S, multi-impedance "Small Unidyne" dynamic from 1951. A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal.

  5. Carbon microphone - Wikipedia

    en.wikipedia.org/wiki/Carbon_microphone

    Carbon microphone from Western Electric telephone handset, around 1976. A disassembled Ericsson carbon microphone with carbon particles visible. The carbon microphone, also known as carbon button microphone, button microphone, or carbon transmitter, is a type of microphone, a transducer that converts sound to an electrical audio signal.

  6. ORTF stereo technique - Wikipedia

    en.wikipedia.org/wiki/ORTF_stereo_technique

    ORTF setup. The ORTF stereo technique, also known as side-other-side, is a microphone technique used to record stereo sound.It was devised around 1960 at the now-defunct Office de Radiodiffusion Télévision Française (ORTF).

  7. Soundfield microphone - Wikipedia

    en.wikipedia.org/wiki/Soundfield_microphone

    The Soundfield microphone is an audio microphone composed of four closely spaced subcardioid or cardioid (unidirectional) microphone capsules arranged in a tetrahedron. It was invented by Michael Gerzon and Peter Craven, and is a part of, but not exclusive to, Ambisonics , a surround sound technology.

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