Strident vowels (also called sphincteric vowels) are strongly

pharyngealized Pharyngealization is a secondary articulation of consonants or vowels by which the pharynx or epiglottis is constricted during the articulation of the sound. IPA symbols In the International Phonetic Alphabet, pharyngealization can be indic ...

vowel A vowel is a syllabic speech sound pronounced without any stricture in the vocal tract. Vowels are one of the two principal classes of speech sounds, the other being the consonant. Vowels vary in quality, in loudness and also in quantity (len ...

s accompanied by an (ary)epiglottal trill, with the

larynx The larynx (), commonly called the voice box, is an organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration. The opening of larynx into pharynx known as the laryngeal inlet is about ...

being raised and the

pharynx The pharynx (plural: pharynges) is the part of the throat behind the mouth and nasal cavity, and above the oesophagus and trachea (the tubes going down to the stomach and the lungs). It is found in vertebrates and invertebrates, though its st ...

constricted. Either the

epiglottis The epiglottis is a leaf-shaped flap in the throat that prevents food and water from entering the trachea and the lungs. It stays open during breathing, allowing air into the larynx. During swallowing, it closes to prevent aspiration of food in ...

or the

arytenoid cartilage The arytenoid cartilages () are a pair of small three-sided pyramids which form part of the larynx. They are the site of attachment of the vocal cords. Each is pyramidal or ladle-shaped and has three surfaces, a base, and an apex. The arytenoid ...

s thus vibrate instead of the

vocal cords In humans, vocal cords, also known as vocal folds or voice reeds, are folds of throat tissues that are key in creating sounds through vocalization. The size of vocal cords affects the pitch of voice. Open when breathing and vibrating for speec ...

. That is, the epiglottal trill is the voice source for such sounds. Strident vowels are fairly common in

Khoisan languages The Khoisan languages (; also Khoesan or Khoesaan) are a group of African languages originally classified together by Joseph Greenberg. Khoisan languages share click consonants and do not belong to other African language families. For much of ...

, which contrast them with simple pharyngealized vowels. Stridency is used in

onomatopoeia Onomatopoeia is the process of creating a word that phonetically imitates, resembles, or suggests the sound that it describes. Such a word itself is also called an onomatopoeia. Common onomatopoeias include animal noises such as ''oink'', ''m ...

in Zulu and Lamba. Stridency may be a type of

phonation The term phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, ''phonation'' is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the defin ...

called

harsh voice Harsh voice, also called ventricular voice or (in some high-tone registers) pressed voice, is the production of speech sounds (typically vowels) with a constricted laryngeal cavity, which generally involves epiglottal co-articulation. Harsh voic ...

. A similar phonation, without the trill, is called ''ventricular voice''; both have been called ''pressed voice''. Bai, of southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

, has a

register Register or registration may refer to: Arts entertainment, and media Music * Register (music), the relative "height" or range of a note, melody, part, instrument, etc. * ''Register'', a 2017 album by Travis Miller * Registration (organ), th ...

system that has

allophonic In phonology, an allophone (; from the Greek , , 'other' and , , 'voice, sound') is a set of multiple possible spoken soundsor ''phones''or signs used to pronounce a single phoneme in a particular language. For example, in English, (as in ' ...

strident and pressed vowels. There is no official symbol for stridency in the

IPA IPA commonly refers to: * India pale ale, a style of beer * International Phonetic Alphabet, a system of phonetic notation * Isopropyl alcohol, a chemical compound IPA may also refer to: Organizations International * Insolvency Practitioners A ...

, but a superscript (for a

voiced epiglottal trill The voiced epiglottal or pharyngeal trill, or voiced epiglottal fricative,John Esling (2010) "Phonetic Notation", in Hardcastle, Laver & Gibbon (eds) ''The Handbook of Phonetic Sciences'', 2nd ed., p 695. is a type of consonantal sound, used in ...

) is often used. In some literature, a subscript double tilde (≈) is sometimes used, as seen here on the letter (): It has been accepted into

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, ...

, at code point U+1DFD.

Languages

These languages use phonemic strident vowels: * Tuu languages ** Taa (See Taa vowels) ** ǃKwi (ǃUi) *** Nǁng (a dialect cluster; moribund) *** ǀXam (a dialect cluster, including Nǀuusaa) †

References

Sources

* Phonation {{phonetics-stub br:Vogalenn skiltr

Languages

See also

References

Sources