imported>Boardman7: Undid revision 1293223427 by 187.255.194.6 (talk) Get rid of latin and giraffe part because doesn't make sense

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Undid revision 1293223427 by 187.255.194.6 (talk) Get rid of latin and giraffe part because doesn't make sense

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{{Short description|Wordless tone with closed mouth}}
{{Other uses}}
{{More citations needed|date=December 2009}}
{{Listen
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| title = A man producing a long monotone hum
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| description =
| filename2 = Woman humming a nondescript tune.wav
| title2 = A woman humming a tune
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A '''hum''' ([[Help:IPA/English|/hʌm/]] {{Audio|En-us-hum.ogg|}}) is a [[sound]] made by producing a wordless tone with the mouth closed, forcing the sound to emerge from the [[nose]]. To '''hum''' is to produce such a sound, often with a [[melody]]. It is also associated with [[Speech disfluency#Thoughtful absorption|thoughtful absorption]], [[Speech disfluency#"Hmm"|'hmm']].

A hum has a particular [[timbre]] (or sound quality), usually a [[Monophony|monotone]] or with slightly varying [[frequency|tones]]. There are other similar sounds not produced by human singing that are also called hums, as the sound produced by [[machinery]] in operation, such as a [[Microwave oven|microwave]], or by an [[insect]] in flight. The [[hummingbird]] was named for the sound that bird makes in flight which sounds like a hum.

==Mechanics==
[[File:Ramphodon naevius with flower.jpg|thumb|right|220px|A [[Saw-billed Hermit|hummingbird]] with flower]]
A 'hum' or 'humming' by humans is created by the resonance of air in various parts of passages in the head and throat, in the act of breathing. The 'hum' that a hummingbird creates is also created by resonance: in this case by air resistance against wings in the actions of flying, especially of hovering.

==Humming in human evolution==
[[Joseph Jordania]] suggested that humming could have played an important role in the early human (hominid) evolution as [[contact calls]].<ref>Jordania, J. (2009). Times to Fight and Times to Relax Singing and Humming at the Beginnings of Human Evolutionary History. Kadmos, 1, 272–277</ref> Many social animals produce seemingly haphazard and indistinct sounds (like chicken cluck) when they are going about their everyday business (foraging, feeding). These sounds let group members know that they are among kin and there is no danger. In the case of the appearance of any signs of danger (such as suspicious sounds or movements in a forest), the animal that notices danger first, stops moving, stops producing sounds, remains silent and looks in the direction of the danger sign. Other animals quickly follow suit and very soon all the group is silent and is scanning the environment for possible danger.

[[Charles Darwin]] was the first to notice this phenomenon on the example of the wild horses and the cattle.<ref>Darwin, Charles. (1871). Descent of Men. 2004:123</ref> [[Joseph Jordania]] suggested that for humans, as for many social animals, silence can be a sign of danger, and that's why gentle humming and musical sounds relax humans (see the use of gentle music in [[music therapy]], [[lullaby|lullabies]]).<ref>[http://symposium.polyphony.ge/wp-content/uploads/2016/04/02.Joseph-Jordania.eng_.pdf Jordania, Joseph (2010). ''Music and Emotions: humming in Human Prehistory'' (proceedings of the International Symposium on Traditional Polyphony, held in Tbilisi, Georgia in 2008]</ref>

==Humming in language==
In [[Pirahã language|Pirahã]], the only surviving dialect of the [[Mura language]], there is a special register of speech which uses solely humming, with [[no audible release]].<ref>{{Cite journal|url=https://benjamins.com/catalog/prag.24.2.08nei|title=Humming, whistling, singing, and yelling in Pirahã context and channels of communication in FDG|year=2015 |doi=10.1075/prag.24.2.08nei |last1=o'Neill |first1=Gareth |journal=Pragmatics. Quarterly Publication of the International Pragmatics Association |volume=24 |issue=2 |pages=349–375 |doi-access=free }}</ref>

== Music ==
{{Main|Singing}}
Humming is often used in music of genres, from classical (for example, the famous chorus at the end of Act 2 of [[Giacomo Puccini]]'s ''[[Madama Butterfly]]'') to jazz to R&B.

Another form of music derived from basic humming is the [[humwhistle]]. Folk art, also known as "whistle-hum," produces a high pitch and low pitch simultaneously. The two-tone sound is related to [[field holler]], [[overtone singing]], and [[yodeling]] the music.

==See also==
* [[Kazoo]]
* [[The Hum]] – an apparently widespread phenomenon involving a low-frequency hum of unknown origin, inaudible to most people
* [[Mains hum]] – an electric or electromagnetic phenomenon that causes a low frequency (50 or 60 Hz) audible signal

==References==
{{Reflist}}

==External links==
* {{Wiktionary-inline|hum}}

{{Authority control}}

[[Category:Sound]]
[[Category:Singing techniques]]
[[Category:Sounds by type]]

Humming - Revision history

imported>Boardman7: Undid revision 1293223427 by 187.255.194.6 (talk) Get rid of latin and giraffe part because doesn't make sense