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  2. Handel (warning system) - Wikipedia

    en.wikipedia.org/wiki/Handel_(warning_system)

    Fallout expected within the hour High-pitched pip signal followed by the spoken message. For example: "Fallout warning GREY, Canterbury!" Sound siren producing one long note but interrupted in short succession. Can also be given by church bells or word of mouth from the police and civil defence wardens Fell out of use by the late 1960s All clear

  3. Shrillness - Wikipedia

    en.wikipedia.org/wiki/Shrillness

    Shrillness is a word used to describe the quality of sounds that have a high-pitched, strident, raucous, screeching or harsh character, such as those produced by a trumpet or piccolo, but it can also be used to describe a widely recognised and puzzling phenomenon whereby certain sounds are perceived as psychologically painful or aversive to a degree that cannot be accounted for simply in terms ...

  4. Shepard tone - Wikipedia

    en.wikipedia.org/wiki/Shepard_tone

    A Shepard tone, named after Roger Shepard, is a sound consisting of a superposition of sine waves separated by octaves. When played with the bass pitch of the tone moving upward or downward, it is referred to as the Shepard scale.

  5. Boulder border, high pitched sounds used to deter ... - AOL

    www.aol.com/news/boulder-border-high-pitched...

    A cacophony of high pitched beeps and blasting symphony music – emanating from speakers on the building at the street corner – make most passersby not want to stay too long.

  6. Mysterious high-pitched tone keeps Oregon residents up ... - AOL

    www.aol.com/article/2016/02/22/mysterious-high...

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  7. List of onomatopoeias - Wikipedia

    en.wikipedia.org/wiki/List_of_onomatopoeias

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. This is a list of onomatopoeias, i.e. words that imitate, resemble, or suggest the source of the sound that they describe. For more information, see the linked articles. Human vocal sounds Achoo, Atishoo, the sound of a sneeze Ahem, a sound made to clear the throat or to draw attention ...

  8. Ululation - Wikipedia

    en.wikipedia.org/wiki/Ululation

    Ululation (/ ˌ j uː lj ʊ ˈ l eɪ ʃ ən, ˌ ʌ l-/ ⓘ, [1] [2] from Latin ululo), trilling or lele, is a long, wavering, high-pitched vocal sound resembling a howl with a trilling quality. It is produced by emitting a high pitched loud voice accompanied with a rapid back and forth movement of the tongue and the uvula. [3]

  9. Clarion (instrument) - Wikipedia

    en.wikipedia.org/wiki/Clarion_(instrument)

    Clarion is a name for a high-pitched trumpet used in the Middle Ages and the Renaissance. It is also a name for a 4' organ reed stop that produces a high-pitched or clarion-like sound on a pipe organ in the clarion trumpet's range of notes. [1] [2] The word clarion has changed meanings over centuries and across languages.