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  2. Mic Check - Wikipedia

    en.wikipedia.org/wiki/Mic_Check

    Mic Check is a phrase used by human microphones. It may also refer to: a soundcheck "Mic Check" (Hadouken! song), a song by Hadouken! "Mic Check" (Juelz Santana song), a song by Juelz Santana "Mic Check", a recording on the B-side of Imogen Heap's single "Headlock" "Mic Check", a song by the Italian rapper Noyz Narcos featuring Salmo

  3. Human microphone - Wikipedia

    en.wikipedia.org/wiki/Human_microphone

    A crowd of protesters engaging in the "human microphone" on 30 September 2011, at Occupy Wall Street. A human microphone, also known as the people's microphone, is a means for delivering a speech to a large group of people, wherein persons gathered around the speaker repeat what the speaker says, thus "amplifying" the voice of the speaker without the need for amplification equipment.

  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. Harvard sentences - Wikipedia

    en.wikipedia.org/wiki/Harvard_sentences

    The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems.

  6. Binaural recording - Wikipedia

    en.wikipedia.org/wiki/Binaural_recording

    The binaural head, or microphone, is therefore theoretically making a recording of how humans will hear multi-channel content. The soundtrack to a film, for example, will be recorded by the binaural microphone with all the environmental cues of the given location, as well as reverberations, including those commonly created by the human torso ...

  7. Contact microphone - Wikipedia

    en.wikipedia.org/wiki/Contact_microphone

    A contact microphone is a form of microphone that senses audio vibrations through contact with solid objects. [1] Unlike normal air microphones, contact microphones are almost completely insensitive to air vibrations but transduce only structure-borne sound.

  8. Message authentication code - Wikipedia

    en.wikipedia.org/wiki/Message_authentication_code

    The message and the MAC tag are then sent to the receiver. The receiver in turn runs the message portion of the transmission through the same MAC algorithm using the same key, producing a second MAC data tag. The receiver then compares the first MAC tag received in the transmission to the second generated MAC tag.

  9. Measurement microphone calibration - Wikipedia

    en.wikipedia.org/wiki/Measurement_microphone...

    A microphone’s sensitivity varies with frequency (as well as with other factors such as environmental conditions) and is therefore normally recorded as several sensitivity values, each for a specific frequency band (see frequency spectrum). A microphone’s sensitivity can also depend on the nature of the sound field it is exposed to.