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Information about Human Voice

“Voice” redirects here. For other uses, see Voice (disambiguation).
The human voice consists of sound made by a human using the vocal folds for talking, singing, laughing, crying, screaming etc. The vocal folds, in combination with the lips, the tongue, the lower jaw, and the palate, are capable of producing highly intricate arrays of sound.

The tone of voice may be modulated to suggest emotions such as anger, surprise, or happiness.

Singers use the human voice as an instrument for creating music.

Voice types and the cords themselves

Main article: Vocal folds
Men and women have different vocal cord sizes; adult male voices are usually lower-pitched and have larger cords. The male vocal cords (which would be measured vertically in the opposite diagram), are between 17 mm and 25 mm in length.[1]

Matching the female body, which on the whole has less muscle than the male, females have smaller cords. The female vocal cords are between 12.5 mm and 17.5 mm in length.[1]

As seen in the illustration, the cords are located just above the trachea (the windpipe which travels from the lungs). Food and drink does not pass through the cords but is instead taken through the esophagus, an unlinked tube. Both tubes are separated by the epiglottis, a "flap" that covers the opening of the trachea while swallowing. When food goes down through the cords and trachea (usually happens when the person inhales while swallowing) it causes aspiration (choking).

Cords in both sexes are ligaments within the larynx. They are attached at the back (side nearest the spinal cord) to the arytenoid cartilages, and at the front (side under the chin) to the thyroid cartilage. Their outer edges, as shown in the illustration, are attached to muscle in the larynx while their inner edges or "margins" are free (the hole). They are constructed from epithelium, but they have a few muscle fibers on them, namely the vocalis muscle which tightens the front part of the ligament near to the thyroid cartilage. They are flat triangular bands and are pearly white in colour—whiter in females than they are in males. Above both sides of the vocal cord (the hole and the ligament itself) is the vestibular fold or false vocal cord, which has a small sac between its two folds (not illustrated).[1]

The difference in vocal cord size between men and women means that they have differently pitched voices. Additionally, genetics also causes variances amongst the same sex, with men and women's singing voices being categorized into types. For example, among men, there are basses, baritones and tenors, and altos, mezzo-sopranos and sopranos among women. There are additional categories for operatic voices, see voice type.

Vocal registration

Main article: Vocal registration
The human voice is capable in most cases of being a complex instrument. Humans have vocal folds which can loosen or tighten or change their thickness and over which breath can be transferred at varying pressures. The shape of chest and neck, the position of the tongue, and the tightness of otherwise unrelated muscles can be altered. Any one of these actions results in a change in pitch, volume, timbre, or tone of the sound produced.

One important categorization that can be applied to the sounds singers make relates to the register or the "voice" that is used. Singers refer to these registers according to the part of the body in which the sound most generally resonates, and which have correspondingly different tonal qualities. There are widely differing opinions and theories about what a register is, how they are produced and how many there are. The distinct change or break between registers is called a passaggio or a ponticello.[1] The following definitions refer to the different ranges of the voice.

Speaking voice (Chest)

Main articles: Manner of articulation, Chest register, and Belt (music)
The chest voice is the register typically used in everyday speech. The first recorded mention of this register was around the 13th century, when it was distinguished from the throat and the head voice (pectoris, guttoris, capitis -- at this time it is likely head voice referred to the falsetto register, see falsetto article) by the writers Johannes de Garlandia and Jerome of Moravia.[2]

The speaking voice is named as "the chest voice" in the Speech Level Singing method. It is so called because it can produce the sensation of the sound coming from the upper chest. This is because lower frequency sounds have longer wavelengths, and resonate mostly in the larger cavity of the chest. A person uses the chest voice when singing in the majority of his or her lower range.

It was discovered via stroboscope that during ordinary phonation, or speaking in a man that the vocal folds contact with each other completely during each vibration closing the gap between them fully, if just for a small length of time. This closure cuts off the escaping air. When the air pressure in the trachea rises as a result of this closure, the folds are blown apart, while the vocal processes of the arytenoid cartilages remain in apposition. This creates an oval shaped gap between the folds and some air escapes, lowering the pressure inside the trachea. Rhythmic repetition of this movement a certain number of times a second creates a pitched note. This is how the chest voice is created.[2]

The tonal qualities of the chest voice are usually described as being rich or full, but can also be belted or forced to make it sound powerful by shouting or screaming.

Use of overly strong chest voice in the higher registers in an attempt to hit higher notes in the chest can lead to forcing. Forcing can lead consequently to vocal deterioration.[1]

Falsetto

Main article: Falsetto
In falsetto, the vocal folds, or cords when viewed with a stroboscope are seen to be blown apart and a permanent oval orifice is left in the middle between the edges of the two folds through which a certain volume of air escapes continuously as long as the register is engaged (the singer is singing using the voice). The arytenoid cartilages are held in firm apposition in this voice register also. The length or size of the oval orifice or separation between the folds can vary, but it is known to get bigger in size as the pressure of air pushed out is increased.[2]

The folds are made up of elastic and fatty tissue. The folds are covered on the surface by laryngeal mucous membrane which is supported deeper down underneath it by the innermost fibres of the thyro-arytenoid muscle. In falsetto the extreme membranous edges, ie the edges furthest away from the middle of gap between the folds appear to be the only parts vibrating. The mass corresponding to the innermost part of the thyro-arytenoid muscle remains still and motionless.[2]

Some singers feel a sense of muscular relief when they change from chest voice to falsetto.[2]

In women, the falsetto voice refers to the whistle register.

Generally when singers describe their range they exclude the falsetto voice. A classical male singer who routinely sings using the falsetto is called a countertenor. Countertenors tend to count this range. If a singer makes frequent use of their falsetto it may be counted as part of their vocal range.

Head register

Main article: Head register


The head register is used in singing to describe the resonance of singing something feeling to the singer as if it is occurring in their head. It's mentioned in the Speech Level Singing method used in some singing. All voices have a head register, whether bass or soprano.[4] It is not associated with any particular musical pitch, but rather with the resonance of the voice in the head.

Often explanations for the physiological mechanisms behind the head voice alter from voice teacher to voice teacher. This is because, according to Clippinger: "In discussing the head voice it is the purpose to avoid as much as possible the mechanical construction of the instrument".[5]

Influences of the human voice

Main articles: Voice projection and Evolution
The twelve tone musical scale, upon which most of the world's music is based, may have its roots in the sound of the human voice during the course of evolution, according to a study published by the New Scientist. Analysis of recorded speech samples found peaks in acoustic energy that mirrored the distances between notes in the twelve-tone scale.[6]

Voice disorders

Main articles: Vocal loading and Voice disorders


There are many disorders which affect the human voice; these include speech impediments, and growths and lesions on the vocal folds. Talking improperly for long periods of time causes vocal loading which is stress inflicted on the speech organs. When vocal injury is done, often a ENT specialist may be able to help, but the best treatment is the prevention of injuries through good vocal production.

Footnotes

1. ^ Page 15, Yehudi Menuhin Music Guides - Voice, Edited by Sir Keith Falkner, ISBN 0-356-09099-X
2. ^ THE NEW GROVE Dictionary of MUSIC & MUSICIANS. Edited by Stanley Sadie, Volume 6. Edmund to Fryklund. ISBN 1-56159-174-2, Copyright Macmillan 1980.
3. ^ The OXFORD DICTIONARY OF OPERA. JOHN WARRACK AND EWAN WEST, ISBN 0-19-869164-5
4. ^ Clippinger, David A. (1917). The Head Voice and Other Problems: Practical Talks on Singing. Oliver Ditson Company, Page 12. 
5. ^ Clippinger, David A. (1917). The Head Voice and Other Problems: Practical Talks on Singing. Oliver Ditson Company, Page 14. 
6. ^ [1]

Further reading

  • Puts, D. A., Gaulin, S. J. C., & Verdolini, K. (2006). Dominance and the evolution of sexual dimorphism in human voice pitch. Evolution and Human Behavior, 27: 283-296. Full text

See also

External links

Voice may refer to:
  • Human voice
  • Voice control or voice activation
  • Writer's voice
  • Voice acting
  • Voice vote
  • Voice message
  • Voice, a talent used by the Bene Gesserit, a sisterhood in the Dune novels
In music:

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Sound is a disturbance of mechanical energy that propagates through matter as a wave (through fluids as a compression wave, and through solids as both compression and shear waves).
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The voice organ is the part of the human body responsible for the generation of sound, usually in the form of speech or singing. It comprises the larynx and the vocal tract.
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The vocal folds, also known popularly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.
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Speech communication refers to the processes associated with the production and perception of sounds used in spoken language. A number of academic disciplines study speech and speech sounds, including acoustics, psychology, speech pathology, linguistics, and computer science.
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Singing is the act of producing musical sounds with the voice, which is often contrasted with speech. Contrary to common thought, air is not expelled with the diaphragm, but is inhaled using the diaphragm and exhaled or expelled, using the abdominal and lower pelvic muscles, as
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original research or unverifiable claims.
* It is missing citations and/or footnotes. Please help improve this article by adding inline citations.
* Its tone or style may not be appropriate for Wikipedia.
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Crying may refer to:
  • Tears
  • Sadness
  • Crying The Neck a harvest festival.
Songs:
  • Crying (song), sung by Roy Orbison
  • Cryin', recorded by Aerosmith

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A scream is a loud exclamation of extreme emotion, usually horror or excitement, or pain. The word may also refer to:

In video

  • Scream (trilogy) - A series of slasher movies satirising the horror film genre, directed by Wes Craven.

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emotion is a "complex reaction pattern, involving experiential, behavioral, and physiological elements, by which the individual attempts to deal with a personally significant matter of event.
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original research or unverifiable claims.
* It is in need of attention from an expert on the subject. may be able to help recruit one.
* It may require general cleanup to meet Wikipedia's quality standards.
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Surprise may refer to:
  • Surprise (emotion)
  • Surprise party, a party of which the honored person is not told of beforehand.
  • Surprise factor, the fundamental element in humor that puts a twist on familiar subjects

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42 (1), 43-55. doi: 10.1111/1468-5906.t01-1-00160
18. ^ Moreira-Almeida Alexander, Lotufo Neto Francisco, Koenig Harold G. "Religiousness and mental health: a review" . Rev. Bras. Psiquiatr. [serial on the Internet]. 2006 September, cited 2007 June 21, 2007 ; 28(3): 242-250.
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A singer is a musician who uses their voice to produce music. Often the singer is accompanied by musicians and instruments. While many people sing for pleasure, vocal skill is usually a combination of innate talent and professional training.
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Vocal music is music performed by one or more singers, with or without non-vocal instrumental accompaniment, in which singing provides the main focus of the piece. Music which employs singing but does not feature it prominently is generally considered instrumental music (e.g.
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The vocal folds, also known popularly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.
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trachea, or windpipe, is a tube that has an inner diameter of about 20-25 mm and a length of about 10-16cm. It extends from the larynx to the primary (main) bronchi in mammals, and from the pharynx to the syrinx in birds, allowing the passage of air to the lungs.
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The esophagus (also spelled oesophagus/œsophagus, Greek οἰσοφάγος), or gullet
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The epiglottis is a lid-like flap of elastic cartilage tissue covered with a mucus membrane, attached to the root of the tongue. It projects obliquely upwards behind the tongue and the hyoid bone.
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Aspiration may refer to:
  • Aspiration (phonetics), the release of a strong burst of air after some obstruents
  • Engine aspiration method:

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Choking
Classification & external resources

ICD-10 F41.0, R06.8, T17, W78-W80
ICD-9 784.9 , 933.1

For choking meaning compression of the neck, see Strangling. For other usage of choking, see choke.

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In anatomy, the term ligament is used to denote three different types of structures:[1]
  1. Fibrous tissue that connects bones to other bones. They are sometimes called "articular ligaments"[2], "fibrous ligaments", or "true ligaments".

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The larynx (plural larynges), colloquially known as the voicebox, is an organ in the neck of mammals involved in protection of the trachea and sound production.
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Arytenoid can refer to:
  • Arytenoid cartilage
  • Arytenoid muscle

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Cartilage is a type of dense connective tissue. It is composed of collagen fibers and/or elastin fibers, and can supply smooth surfaces for the movement of articulating bones.
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For other uses, see Thyroid cartilage.


The thyroid is one of the largest endocrine glands in the body. This gland is found in the neck just below the laryngeal prominence.
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epithelium is a tissue composed of a layer of cells. Epithelium lines both the outside (skin) and the inside cavities and lumen of bodies. The outermost layer of our skin is composed of dead stratified squamous, keratinized epithelial cells.
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The Thyroarytenoid is a broad, thin, muscle which lies parallel with and lateral to the vocal fold, and supports the wall of the ventricle and its appendix.

Origin and insertion


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