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  2. Whistling - Wikipedia

    en.wikipedia.org/wiki/Whistling

    Finger whistling is harder to control but achieves a piercing volume. In Boito's opera Mefistofele the title character uses it to express his defiance of the Almighty. Whistling can also be produced by blowing air through enclosed, cupped hands or through an external instrument , such as a whistle or even a blade of grass or leaf.

  3. International Whistlers Convention - Wikipedia

    en.wikipedia.org/wiki/International_Whistlers...

    In addition to the musical competition, awards were also given for bird calls, animal sources, and the loudest whistle. [4] The grand champion for both years was Tobe Sherrill, a student from Greensboro, North Carolina. [4] In 1983, the NWC expanded from two days to four days. [2] This allowed it to include seminars, a banquet, and exhibitions. [8]

  4. Physics of whistles - Wikipedia

    en.wikipedia.org/wiki/Physics_of_whistles

    A trailing edge tone occurs when an exterior flow passes over a trailing edge. There is a whistle that is a combination of an edge tone and a trailing-edge tone and might be called a wake-edge tone. It occurs in rotating circular saws under idling conditions and may be called the circular-saw whistle. Under load conditions, blade vibration ...

  5. Ophicleide (organ stop) - Wikipedia

    en.wikipedia.org/wiki/Ophicleide_(organ_stop)

    The Grand Ophicleide in the Boardwalk Hall Organ, Atlantic City, New Jersey, is recognized as the loudest organ stop in the world, voiced on 100" wind pressure (0.25 bar). [1] Its tone is described by Guinness World Records as having "a pure trumpet note of ear-splitting volume, more than six times the volume of the loudest locomotive whistle."

  6. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    While the audio profile of Bloop does resemble that of a living creature, [4] the source was a mystery both because it was different from known sounds and because it was several times louder than the loudest recorded animal, the blue whale. [5] The NOAA Vents Program has attributed Bloop to a large icequake. Numerous icequakes share similar ...

  7. Steam whistle - Wikipedia

    en.wikipedia.org/wiki/Steam_whistle

    This whistle is the reason for the typical "long high - short low - short high" signal sound of steam locomotives in Germany. [18] Chime whistle – two or more resonant bells or chambers that sound simultaneously. In America, railway steam whistles were typically compact chime whistles with more than one whistle contained within, creating a chord.

  8. Transcendental whistling - Wikipedia

    en.wikipedia.org/wiki/Transcendental_whistling

    The common "whistle" term hūshào (for which hū can be written 呼 "exhale; shout", 忽 "disdainful; sudden", or 唿 "sad") refers to a type of shrill, forceful finger whistling that is often mentioned in traditional Chinese short stories and novels of the Ming and Qing periods as a kind of remote signaling or calling. [13]

  9. Whistle - Wikipedia

    en.wikipedia.org/wiki/Whistle

    A party whistle A metal pea whistle. A whistle is a musical instrument which produces sound from a stream of gas, most commonly air. It may be mouth-operated, or powered by air pressure, steam, or other means. Whistles vary in size from a small slide whistle or nose flute type to a large multi-piped church organ.

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