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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.
It is also called a hand ocarina or hand whistle. To produce sound, the player creates a chamber of air with their hands, into which they blow air via an opening at the thumbs. There are two common techniques involving the shape of the hand chamber: the "cupped hand" technique and the "interlock" technique. [1]
Whistled languages are linguistic systems that use whistling to emulate speech and facilitate communication between individuals. More than 80 languages have been found to practice various degrees of whistling, most of them in rugged topography or dense forests, where whistling expands the area of communication while movement to carry messages is challenging. [1]
For example, a samba whistle (or apito) is an unpitched percussion instrument, [contradictory] but a whistle in general is not. For brevity, synonyms represented in Wikipedia by redirects to a main article are not listed, but may be mentioned as a note. Only the main article names are listed in these cases.
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]
In 1976, de Hart added a separate whistling competition to the festival; [5] this was the start of the Whistling Contest. [4] [3] Later, the whistling competition was split from the fall folk festival and became an annual spring event. [5] It was the first whistling convention in the world. [6]
The Tusculum whistle is a 14-cm whistle with six finger holes, made of brass or bronze, found with pottery dating to the 14th and 15th centuries; it is currently in the collections of the National Museums Scotland. [7]
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 ...