voice production

WordNet

1. give voice to; "He voiced his concern"
2. (linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes
3. a means or agency by which something is expressed or communicated; "the voice of the law"; "the Times is not the voice of New York"; "conservatism has many voices"
4. the distinctive quality or pitch or condition of a persons speech; "A shrill voice sounded behind us"
5. the sound made by the vibration of vocal folds modified by the resonance of the vocal tract; "a singer takes good care of his voice"; "the giraffe cannot make any vocalizations" (同)vocalization, vocalisation, vocalism, phonation, vox
6. (metonymy) a singer; "he wanted to hear trained voices sing it"
7. a sound suggestive of a vocal utterance; "the noisy voice of the waterfall"; "the incessant voices of the artillery"
8. something suggestive of speech in being a medium of expression; "the wee small voice of conscience"; "the voice of experience"; "he said his voices told him to do it"
9. the ability to speak; "he lost his voice"
10. utter with vibrating vocal chords (同)sound, vocalize, vocalise
11. (economics) manufacturing or mining or growing something (usually in large quantities) for sale; "he introduced more efficient methods of production"
12. (law) the act of exhibiting in a court of law; "the appellate court demanded the production of all documents"
13. the act or process of producing something; "Shakespeares production of poetry was enormous"; "the production of white blood cells"
14. the creation of value or wealth by producing goods and services
15. a display that is exaggerated or unduly complicated; "she tends to make a big production out of nothing"
16. a presentation for the stage or screen or radio or television; "have you seen the new production of Hamlet?"
17. produced with vibration of the vocal cords; "a frequently voiced opinion"; "voiced consonants such as `b and `g and `z"; (同)sonant, soft
18. the act of adjusting an organ pipe (or wind instrument) so that it conforms to the standards of tone and pitch and color

PrepTutorEJDIC

1. 〈U〉(人間の)『声』 / 〈U〉声を出す力,物を言う力 / 〈C〉〈U〉声の質,声の状態(調子) / 〈C〉(人の声を思わせる)(…の)音《+of+名》 / 〈C〉(人の声にたとえた)(…の)音《+of+名》 / 〈U〉〈C〉『発言権』,選択権,投票権 / 〈U〉表現,表明;意見 / 〈C〉(声楽の)声 / 〈C〉(文法で)態 / 〈気持ちなど〉‘を'言い表す,口に出す / 〈音〉‘を'有声音で発音する
2. 〈U〉(…を)『生み出すこと』,(…の)『生産』,産出,製造《+『of』+『名』》 / 〈U〉『生産高』,産出額(量) / 〈C〉『産物』,製品 / 〈U〉(…の)提出,提示《+『of』+『名』》 / 〈C〉(劇・映画などの)製作;(文学などの)作品
3. 言い表された,口に出された / 有声音の,有声の

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/12/08 21:31:56」(JST)

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Places of articulation
Labial     Bilabial         Labial–velar         Labial–coronal     Labiodental     Dentolabial Bidental Coronal     Linguolabial     Interdental     Dental     Denti-alveolar     Alveolar     Coronal–velar     Postalveolar         Palato-alveolar         Retroflex Dorsal     Postalveolar         Alveolo-palatal     Palatal         Labial–palatal     Velar     Uvular         Uvular–epiglottal Laryngeal (Guttural)     Pharyngeal/Epiglottal     Glottal Peripheral
Tongue shape
Apical Subapical Laminal Sulcal Domed Lateral Palatal (labio-palatal) Velar (labio-velar) Uvular Pharyngeal

Places of articulation (passive & active):

1. Exo-labial, 2. Endo-labial, 3. Dental, 4. Alveolar, 5. Post-alveolar, 6. Pre-palatal, 7. Palatal, 8. Velar, 9. Uvular, 10. Pharyngeal, 11. Glottal, 12. Epiglottal, 13. Radical, 14. Postero-dorsal, 15. Antero-dorsal, 16. Laminal, 17. Apical, 18. Sub-apical

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Articulation visualized by real-time MRI.

In articulatory phonetics, the place of articulation (also point of articulation) of a consonant is the point of contact where an obstruction occurs in the vocal tract between an articulatory gesture, an active articulator (typically some part of the tongue), and a passive location (typically some part of the roof of the mouth). Along with the manner of articulation and the phonation, it gives the consonant its distinctive sound.

The terminology in this article has been developed for precisely describing all the consonants in all the world's spoken languages. No known language distinguishes all of the places described here so less precision is needed to distinguish the sounds of a particular language.

Overview

The human voice produces sounds in the following manner:

1. Air pressure from the lungs creates a steady flow of air through the trachea (windpipe), larynx (voice box) and pharynx (back of the throat).
2. The vocal folds in the larynx vibrate, creating fluctuations in air pressure, known as sound waves.
3. Resonances in the vocal tract modify these waves according to the position and shape of the lips, jaw, tongue, soft palate, and other speech organs, creating formant regions and so different qualities of sonorant (voiced) sound.
4. Mouth and nose openings radiate the sound waves into the environment.

The larynx

The larynx or voice box is a cylindrical framework of cartilage that serves to anchor the vocal folds. When the muscles of the vocal folds contract, the airflow from the lungs is impeded until the vocal folds are forced apart again by the increasing air pressure from the lungs. The process continues in a periodic cycle that is felt as a vibration (buzzing). In singing, the vibration frequency of the vocal folds determines the pitch of the sound produced. Voiced phonemes such as the pure vowels are, by definition, distinguished by the buzzing sound of this periodic oscillation of the vocal cords.

The lips of the mouth can be used in a similar way to create a similar sound, as any toddler or trumpeter can demonstrate. A rubber balloon, inflated but not tied off and stretched tightly across the neck produces a squeak or buzz, depending on the tension across the neck and the level of pressure inside the balloon. Similar actions with similar results occur when the vocal cords are contracted or relaxed across the larynx.

Place of articulation (passive)

The passive place of articulation is the place on the more stationary part of the vocal tract where the articulation occurs and can be anywhere from the lips, upper teeth, gums, or roof of the mouth to the back of the throat. Although it is a continuum, there are several contrastive areas so languages may distinguish consonants by articulating them in different areas, but few languages contrast two sounds within the same area unless there is some other feature which contrasts as well. The following areas are contrastive:

• The upper lip (labial)
• The upper teeth, either on the edge of the teeth or inner surface (dental)
• The alveolar ridge, the gum line just behind the teeth (alveolar)
• The back of the alveolar ridge (post-alveolar)
• The hard palate on the roof of the mouth (palatal)
• The soft palate further back on the roof of the mouth (velar)
• The uvula hanging down at the entrance to the throat (uvular)
• The throat itself, AKA the pharynx (pharyngeal)
• The epiglottis at the entrance to the windpipe, above the voice box (epiglottal)

The regions are not strictly separated. For instance, in some sounds in many languages, the surface of the tongue contacts a relatively large area from the back of the upper teeth to the alveolar ridge, which is common enough to have received its own name, denti-alveolar. Likewise, the alveolar and post-alveolar regions merge into each other, as do the hard and soft palate, the soft palate and the uvula, and all adjacent regions. Terms like pre-velar (intermediate between palatal and velar), post-velar (between velar and uvular), and upper vs. lower pharyngeal may be used to specify more precisely where an articulation takes place. However, although a language may contrast pre-velar and post-velar sounds, it does not also contrast them with palatal and uvular sounds (of the same type of consonant) so contrasts are limited to the number above, if not always their exact location.

Place of articulation (active)

The articulatory gesture of the active place of articulation involves the more mobile part of the vocal tract, typically some part of the tongue or lips. The following areas are known to be contrastive:

• The lower lip (labial)
• Various parts of the front of the tongue (coronal):
  • The tip of the tongue (apical)
  • The upper front surface of the tongue just behind the tip, called the blade of the tongue (laminal)
  • The surface of the tongue under the tip (subapical)
• The body of the tongue (dorsal)
• The base AKA root of the tongue and the throat (pharyngeal)

In bilabial consonants, both lips move so the articulatory gesture brings the lips together, but by convention, the lower lip is said to be active and the upper lip passive. Similarly, in linguolabial consonants the tongue contacts the upper lip with the upper lip actively moving down to meet the tongue; nonetheless, the tongue is conventionally said to be active and the lip passive if for no other reason than that the parts of the mouth below the vocal tract are typically active, and those above the vocal tract are typically passive.

In dorsal gestures, different parts of the body of the tongue contact different parts of the roof of the mouth, but it cannot be independently controlled so they are all subsumed under the term dorsal. That is unlike coronal gestures involving the front of the tongue, which is more flexible.

The epiglottis may be active, contacting the pharynx, or passive, being contacted by the aryepiglottal folds. Distinctions made in these laryngeal areas are very difficult to observe and are the subject of ongoing investigation, and several still-unidentified combinations are thought possible.

The glottis acts upon itself. There is a sometimes fuzzy line between glottal, aryepiglottal, and epiglottal consonants and phonation, which uses these same areas.

Unlike the passive articulation, which is a continuum, there are five discrete active articulators: the lip (labial consonants), the flexible front of the tongue (coronal consonants: laminal, apical, and subapical), the middle–back of the tongue (dorsal consonants), the root of the tongue together with the epiglottis (pharyngeal or radical consonants), and the glottis (glottal consonants). The articulators are discrete in that they can act independently of each other, and two or more may work together in what is called coarticulation (see below). The distinction, however, between the various coronal articulations, laminal, apical, and subapical is a continuum, without clear boundaries.

Table of gestures and passive articulators and resulting places of articulation

The following table shows the possible combinations of active and passive articulators.

The possible locations for sibilants as well as non-sibilants to occur are indicated in dashed red. For sibilants, there are additional complications involving tongue shape; see the article on sibilants for a chart of possible articulations.

	Front/back →	Front				Back
	Major class →	Labial	Coronal			"Guttural"
Acute/grave ↓	Active articulator →	Lower lip (Labial)	Tongue blade (Laminal)	Tongue tip (Apical)	Underside of tongue (Subapical)	Tongue body (Dorsal)	Tongue root (Radical)	Larynx (Laryngeal)
	Passive articulator ↓
Grave	Upper lip	bilabial	linguolabial
	Upper teeth	labiodental
Acute	Upper teeth		interdental	dental
	Upper teeth/alveolar ridge		denti-alveolar
	Alveolar ridge		laminal alveolar	apico-alveolar
	Back of alveolar ridge (postalveolar)		palato-alveolar	apical retroflex		alveolo-palatal
	Hard palate (front)				retroflex	palatal
Grave	Soft palate					velar
	Uvula					uvular
	Pharynx						pharyngeal	epiglotto-pharyngeal
	Epiglottis							(ary-)epiglottal
	Glottis							glottal

A precise vocabulary of compounding the two places of articulation is sometimes seen. However, it is usually reduced to the passive articulation, which is generally sufficient. Thus dorsal–palatal, dorsal–velar, and dorsal–uvular are usually just called "palatal", "velar", and "uvular". If there is ambiguity, additional terms have been invented, so subapical–palatal is more commonly called "retroflex".

NOTE: Additional shades of passive articulation are sometimes specified using pre- or post-, for example prepalatal (near the border between the postalveolar region and the hard palate; prevelar (at the back of the hard palate, also post-palatal or even medio-palatal for the middle of the hard palate); or postvelar (near the border of the soft palate and the uvula). They can be useful in the precise description of sounds that are articulated somewhat farther forward or back than a prototypical consonant; for this purpose, the "fronted" and "retracted" IPA diacritics can be used. However, no additional shade is needed to phonemically distinguish two consonants in a single language.

Homorganic consonants

Consonants that have the same place of articulation, such as the alveolar sounds /n, t, d, s, z, l/ in English, are said to be homorganic. Similarly, labial /p, b, m/ and velar /k, ɡ, ŋ/ are homorganic. A homorganic nasal rule, an instance of assimilation, operates in many languages, where a nasal consonant must be homorganic with a following stop. We see this with English intolerable but implausible; another example is found in Yoruba, where the present tense of ba "hide" is mba "is hiding", while the present of sun "sleep" is nsun "is sleeping".

Central and lateral articulation

Main article: Lateral consonant

The tongue contacts the mouth with a surface that has two dimensions: length and width. So far, only points of articulation along its length have been considered. However, articulation varies along its width as well. When the airstream is directed down the center of the tongue, the consonant is said to be central. If, however, it is deflected off to one side, escaping between the side of the tongue and the side teeth, it is said to be lateral. Nonetheless, for simplicity's sake the place of articulation is assumed to be the point along the length of the tongue, and the consonant may in addition be said to be central or lateral. That is, a consonant may be lateral alveolar, like English /l/ (the tongue contacts the alveolar ridge, but allows air to flow off to the side), or lateral palatal, like Castilian Spanish ll /ʎ/. Some Indigenous Australian languages contrast dental, alveolar, retroflex, and palatal laterals, and many Native American languages have lateral fricatives and affricates as well.

Coarticulation

Some languages have consonants with two simultaneous places of articulation, which is called coarticulation. When these are doubly articulated, the articulators must be independently movable, and therefore there may be only one each from the major categories labial, coronal, dorsal and pharyngeal.

The only common doubly articulated consonants are labial–velar stops like [k͡p], [ɡ͡b] and less commonly [ŋ͡m], which are found throughout Western Africa and Central Africa. Other combinations are rare but include labial–(post)alveolar stops [t͡p d͡b n͡m], found as distinct consonants only in a single language in New Guinea, and a uvular–epiglottal stop, [q͡ʡ], found in Somali.

More commonly, coarticulation involves secondary articulation of an approximantic nature. Then, both articulations can be similar such as labialized labial [mʷ] or palatalized velar [kʲ]. That is the case of English [w], which is a velar consonant with secondary labial articulation.

Common coarticulations include these:

• Labialization, rounding the lips while producing the obstruction, as in [kʷ] and English [w].
• Palatalization, raising the body of the tongue toward the hard palate while producing the obstruction, as in Russian [tʲ] and [ɕ].
• Velarization, raising the back of the tongue toward the soft palate (velum), as in the English dark el, [lˠ] (also transcribed [ɫ]).
• Pharyngealization, constriction of the throat (pharynx), such as Arabic "emphatic" [tˤ].

Production of vowels

A vowel is any phoneme in which airflow is impeded only or mostly by the voicing action of the vocal cords.

The well-defined fundamental frequency provided by the vocal cords in voiced phonemes is only a convenience. It is not a necessity, since a strictly unvoiced whisper is still quite intelligible. Interest is therefore most focused on further modulations of and additions to the fundamental tone by other parts of the vocal apparatus, determined by the variable dimensions of oral, pharyngeal, and even nasal cavities.

Formants

Formants are the resonant frequencies of the vocal tract that emphasize particular voice harmonics near in frequency to the resonance or turbulent non-periodic energy (noise), near the formant frequency in the case of whispered speech. The formants tell a listener what vowel is being spoken.

See also

• Manner of articulation
• Relative articulation
• Tongue shape
• Sibilant
• Index of phonetics articles

Notes

References

• Ladefoged, Peter; Maddieson, Ian (1996). The Sounds of the World's Languages. Oxford: Blackwell. ISBN 0-631-19814-8. 

External links

• Interactive places and manners of articulation

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★リンクテーブル★

リンク元	「発声」
関連記事	「production」「voice」

「発声」

　　[★]

英

phonation, voice production

関

「production」

　　[★]

• n.

• 産生、生成、生産、製作

関

consumption、economics、elaborate、elaboration、fabricate、fabrication、generate、generation、make、manufacture、produce、raise、yield

　 　 　 　 　 　 　

「voice」

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