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  2. Microphonics - Wikipedia

    en.wikipedia.org/wiki/Microphonics

    A system sufficiently susceptible to microphonics could experience audio feedback, and make noises if jarred or bumped. To minimize these effects, some vacuum tubes were made with thicker internal insulating plates and more supports, [ 4 ] and tube-socket assemblies were sometimes shock-mounted by means of small rubber grommets placed in the ...

  3. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones , hearing aids , public address systems for concert halls and public events, motion picture production, live and recorded audio engineering , sound ...

  4. Noise-canceling microphone - Wikipedia

    en.wikipedia.org/wiki/Noise-canceling_microphone

    Sound that's much closer to the front port than to the rear will make more of a pressure gradient between the front and back of the diaphragm, causing it to move more. The microphone's proximity effect is adjusted so that flat frequency response is achieved for sound sources very close to the front of the mic – typically 1 to 3 cm. Sounds ...

  5. Electret microphone - Wikipedia

    en.wikipedia.org/wiki/Electret_microphone

    Sound waves move the diaphragm, changing the capacitance C, which produces a corresponding voltage change across the capacitor of ΔV = ⁠ Q / ΔC ⁠. [1] The electret's constant charge eliminates the need for the polarizing power supply required for non-electret condenser microphones , though a preamplifier is typically incorporated to boost ...

  6. Microphone practice - Wikipedia

    en.wikipedia.org/wiki/Microphone_practice

    In close miking, a microphone is placed relatively close to an instrument or sound source, within three to twelve inches, producing a dry or non-reverberant sound. [1] This serves to reduce extraneous noise, including room reverberation and is commonly used when attempting to record a number of separate instruments while keeping the signals ...

  7. Electronic voice phenomenon - Wikipedia

    en.wikipedia.org/wiki/Electronic_voice_phenomenon

    The human brain evolved to recognize patterns, and if a person listens to enough noise the brain will detect words, even when there is no intelligent source for them. [48] [49] Expectation also plays an important part in making people believe they are hearing voices in random noise. [50] Apophenia is related to, but distinct from pareidolia. [51]

  8. Electro-Voice RE20 - Wikipedia

    en.wikipedia.org/wiki/Electro-Voice_RE20

    The microphone came with a switch to tailor the mid-bass response, attenuating frequencies below 400 Hz with a mild high-pass filter. Like all premium microphones made by EV, it used EV's 1930s humbucker method of reducing electromagnetic interference by wiring a humbucking coil out of polarity with the microphone element coil.

  9. Pop filter - Wikipedia

    en.wikipedia.org/wiki/Pop_filter

    The position of the pop filter is different in different recording situations, with a further position from the microphone causing fewer pop sounds. More distance means increasing the microphone gain and gaining more room noise. Normally, to get good quality, the pop filter should be placed about 2–6 inches (5–15 cm) away from the ...