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  2. RCA Type 77-DX microphone - Wikipedia

    en.wikipedia.org/wiki/RCA_Type_77-DX_microphone

    The directionality of the 77-DX is variable. A rotating backshutter on the acoustic labyrinth, controlled by a screwdriver-operated slot at the rear of the microphone, allows the user to vary the microphone's pattern from omnidirectional in the fully closed position, to cardioid, to figure-8 (bidirectional) in the fully open position.

  3. List of Google April Fools' Day jokes - Wikipedia

    en.wikipedia.org/wiki/List_of_Google_April_Fools...

    The version would be released in NES and Famicom versions (the Famicom version would feature voice input by using the second controller's microphone). In the meantime, Google added a "Quest" [ 127 ] layer to the Maps website, which features 8-bit tile-based graphics and sprites on landmarks, both made by Google and by Square Enix (using the ...

  4. Microphone connector - Wikipedia

    en.wikipedia.org/wiki/Microphone_connector

    Two pins are used for the mono headphone signal and two pins for the unbalanced microphone signal. The 4-pin XLR connector is also commonly used on amateur radio microphones, but transferring unbalanced audio instead, and using the 4th pin (with the common ground) for a push-to-talk (PTT) circuit activated by a button on the microphone.

  5. Roblox - Wikipedia

    en.wikipedia.org/wiki/Roblox

    Roblox occasionally hosts real-life and virtual events. They have in the past hosted events such as BloxCon, which was a convention for ordinary players on the platform. [99] Roblox operates annual Easter egg hunts [100] and also hosts an annual event called the "Bloxy Awards", an awards ceremony that also functions as a fundraiser. The 2020 ...

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  7. 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 ...

  8. Lavalier microphone - Wikipedia

    en.wikipedia.org/wiki/Lavalier_microphone

    The term referred to any small microphone that could be hooked into the buttonhole of the lapel of a coat. The lapel microphone offered freedom of movement. [2] An early use of the microphone supported by a strap around the neck: telephone operator. The term lavalier originally referred to jewelry in the form of a pendant worn around the neck ...

  9. 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 ...