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  2. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    A microphone, colloquially called ... public address systems for concert halls and public events, motion picture production, ... Speaking of his device, Meucci wrote ...

  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. Stenomask - Wikipedia

    en.wikipedia.org/wiki/Stenomask

    Court reporter tests his stenomask. [1]A stenomask is a hand-held microphone built into a padded, soundproof enclosure that fits over the speaker's mouth or nose and mouth. . Some lightweight versions may be fitted with an elastic neck strap to hold them in place while freeing the user's hands for other tas

  5. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.

  6. Lavalier microphone - Wikipedia

    en.wikipedia.org/wiki/Lavalier_microphone

    A lavalier microphone mounted on a T-shirt. A lavalier microphone or lavalier (also known as a lav, lapel mic, clip mic, body mic, collar mic, neck mic or personal mic) is a small microphone used for television, theater, and public speaking applications to allow hands-free operation.

  7. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    Wireless microphones are widely used in the entertainment industry, television broadcasting, and public speaking to allow public speakers, interviewers, performers, and entertainers to move about freely while using a microphone without requiring a cable attached to the microphone.

  8. Presidential lecterns of the United States - Wikipedia

    en.wikipedia.org/wiki/Presidential_lecterns_of...

    In 1987, President Ronald Reagan used a Blue Goose lectern to give the "Tear down this wall!" speech in West Berlin. Described by Politico as "bulky" and "formal", [4] and named by the United States Secret Service after the color of its top and its gooseneck microphone, [5] the bullet-resistant [2] or bullet-proof [5] Blue Goose lecterns are boxy, with a dark blue desk section and dark panels ...

  9. Public speaking - Wikipedia

    en.wikipedia.org/wiki/Public_speaking

    Public speaking, also called oratory, is the practice of delivering speeches to a live audience. [3] Throughout history, public speaking has held significant cultural, religious, and political importance, emphasizing the necessity of effective rhetorical skills. It allows individuals to connect with a group of people to discuss any topic.

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