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  2. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

  3. 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 ...

  4. 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.

  5. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    Some microphones use other connectors, such as a 5-pin XLR, or mini XLR for connection to portable equipment. Some lavalier (or "lapel", from the days of attaching the microphone to the news reporter's suit lapel) microphones use a proprietary connector for connection to a wireless transmitter, such as a radio pack. Since 2005, professional ...

  6. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    It consisted of a microphone in one location and a remote listening post with a speaker that could also be recorded using a phonograph. While also marketed as a device that allowed broadcasting of sounds, or dictating text from one room to a typist in another, it was used in several criminal investigations.

  7. Røde Microphones - Wikipedia

    en.wikipedia.org/wiki/Røde_Microphones

    RØDE shotgun microphones are known for their in-built batteries, digital switches, and RF-bias technology, which significantly improves moisture resistance. [50] The NTG5 was the first microphone on the market to utilise circular acoustic perforations on the microphone body in place of the linear slots typically found on shotgun microphones. [51]