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Voice Quality
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 definition used among those who study laryngeal anatomy and physiology and speech production in general. Phoneticians in other subfields, such as linguistic phonetics, call this process '' voicing'', and use the term ''phonation'' to refer to any oscillatory state of any part of the larynx that modifies the airstream, of which voicing is just one example. Voiceless and supra-glottal phonations are included under this definition. Voicing The phonatory process, or voicing, occurs when air is expelled from the lungs through the glottis, creating a pressure drop across the larynx. When this drop becomes sufficiently large, the vocal folds start to oscillate. The minimum pressure drop required to achieve phonation is called the phonation threshol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phonetics
Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. The field of phonetics is traditionally divided into three sub-disciplines based on the research questions involved such as how humans plan and execute movements to produce speech (articulatory phonetics), how various movements affect the properties of the resulting sound (acoustic phonetics), or how humans convert sound waves to linguistic information (auditory phonetics). Traditionally, the minimal linguistic unit of phonetics is the phone—a speech sound in a language which differs from the phonological unit of phoneme; the phoneme is an abstract categorization of phones. Phonetics deals with two aspects of human speech: production—the ways humans make sounds—and perception—the way speech is understood. The communicative moda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 speech or singing, the folds are controlled via the recurrent laryngeal branch of the vagus nerve. They are composed of twin infoldings of mucous membrane stretched horizontally, from back to front, across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation. The 'true vocal cords' are distinguished from the 'false vocal folds', known as vestibular folds or ''ventricular folds'', which sit slightly superior to the more delicate true folds. These have a minimal role in normal phonation, but can produce deep sonorous tones, screams and growls. The length of the vocal fold at birth is approximately six to eight millimeters and grows to its adult length of eight to sixteen millimeters by adolesc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Burmese Language
Burmese ( my, မြန်မာဘာသာ, MLCTS: ''mranmabhasa'', IPA: ) is a Sino-Tibetan language spoken in Myanmar (also known as Burma), where it is an official language, lingua franca, and the native language of the Burmans, the country's principal ethnic group. Burmese is also spoken by the indigenous tribes in Chittagong Hill Tracts (Rangamati, Bandarban, Khagrachari, Cox's Bazar) in Bangladesh, Tripura state in Northeast India. Although the Constitution of Myanmar officially recognizes the English name of the language as the Myanmar language, most English speakers continue to refer to the language as ''Burmese'', after Burma, the country's once previous and currently co-official name. Burmese is the common lingua franca in Myanmar, as the most widely-spoken language in the country. In 2007, it was spoken as a first language by 33 million, primarily the Burman people and related ethnic groups, and as a second language by 10 million, particularly ethnic m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Murmured Voice
Breathy voice (also called murmured voice, whispery voice, soughing and susurration) is a phonation in which the vocal folds vibrate, as they do in normal (modal) voicing, but are adjusted to let more air escape which produces a sighing-like sound. A simple breathy phonation, (not actually a fricative consonant, as a literal reading of the IPA chart would suggest), can sometimes be heard as an allophone of English between vowels, such as in the word ''behind'', for some speakers. In the context of the Indo-Aryan languages like Sanskrit and Hindi and comparative Indo-European studies, breathy consonants are often called ''voiced aspirated'', as in the Hindi and Sanskrit stops normally denoted ''bh, dh, ḍh, jh,'' and ''gh'' and the reconstructed Proto-Indo-European phoneme ''gʷʰ''. , as breathy voice is a different type of phonation from aspiration. However, breathy and aspirated stops are acoustically similar in that in both cases there is a delay in the onset of full vo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gujarati Language
Gujarati (; gu, ગુજરાતી, Gujarātī, translit-std=ISO, label= Gujarati script, ) is an Indo-Aryan language native to the Indian state of Gujarat and spoken predominantly by the Gujarati people. Gujarati is descended from Old Gujarati (). In India, it is one of the 22 scheduled languages of the Union. It is also the official language in the state of Gujarat, as well as an official language in the union territory of Dadra and Nagar Haveli and Daman and Diu. As of 2011, Gujarati is the 6th most widely spoken language in India by number of native speakers, spoken by 55.5 million speakers which amounts to about 4.5% of the total Indian population. It is the 26th most widely spoken language in the world by number of native speakers as of 2007.Mikael Parkvall, "Världens 100 största språk 2007" (The World's 100 Largest Languages in 2007), in '' Nationalencyklopedin''. Asterisks mark th2010 estimatesfor the top dozen languages. Outside of Gujarat, Gujarati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonorant
In phonetics and phonology, a sonorant or resonant is a speech sound that is produced with continuous, non-turbulent airflow in the vocal tract; these are the manners of articulation that are most often voiced in the world's languages. Vowels are sonorants, as are nasals like and , liquids like and , and semivowels like and . This set of sounds contrasts with the obstruents ( stops, affricates and fricatives). For some authors, only the term ''resonant'' is used with this broader meaning, while ''sonorant'' is restricted to consonants, referring to nasals and liquids but not vocoids (vowels and semivowels). Types Whereas obstruents are frequently voiceless, sonorants are almost always voiced. A typical sonorant consonant inventory found in many languages comprises the following: two nasals , two semivowels , and two liquids . In the sonority hierarchy, all sounds higher than fricatives are sonorants. They can therefore form the nucleus of a syllable in languages that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Modal Voice
Modal voice is the vocal register used most frequently in speech and singing in most languages. It is also the term used in linguistics for the most common phonation of vowels. The term "modal" refers to the resonant mode of vocal folds; that is, the optimal combination of airflow and glottal tension that yields maximum vibration. In linguistics, modal voice is the only phonation found in the vowels and other sonorants (consonants such as ''m, n, l,'' and ''r)'' of most of the languages of the world, but a significant minority contrasts modal voice with other phonations. Among obstruents (consonants such as ''k, g, t͡ʃ/ch, d͡ʒ/j, s,'' and ''z),'' it is very common for languages to contrast modal voice with voicelessness, but in English, many supposedly-voiced obstruents do not usually have modal voice. In speech pathology, the modal register is one of the four identifiable registers within the human voice. It is above the vocal fry register and overlapping the lower part o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glottal Stop
The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents this sound is . As a result of the obstruction of the airflow in the glottis, the glottal vibration either stops or becomes irregular with a low rate and sudden drop in intensity. Features Features of the glottal stop: * It has no phonation, as there is no airflow through the glottis. It is voiceless, however, in the sense that it is produced without vibration of the vocal cords. Writing In the traditional Romanization of many languages, such as Arabic, the glottal stop is transcribed with the apostrophe or the symbol ʾ, which is the source of the IPA character . In many Polynesian languages that use the Latin alphabet, however, the glottal stop is written with a rotated apostrophe, (called '' ‘okina'' in Hawaiian and Sa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obstruent
An obstruent () is a speech sound such as , , or that is formed by ''obstructing'' airflow. Obstruents contrast with sonorants, which have no such obstruction and so resonate. All obstruents are consonants, but sonorants include vowels as well as consonants. Subclasses Obstruents are subdivided into plosives (oral stops), such as , with complete occlusion of the vocal tract, often followed by a release burst; fricatives, such as , with limited closure, not stopping airflow but making it turbulent; and affricates, which begin with complete occlusion but then release into a fricative-like release, such as .Zsiga, Elizabeth. ''The Sounds of Language: An Introduction to Phonetics and Phonology''. Wiley-Blackwell, 2013. Voicing Obstruents are often prototypically voiceless In linguistics, voicelessness is the property of sounds being pronounced without the larynx vibrating. Phonologically, it is a type of phonation, which contrasts with other states of the larynx, but some o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 cartilages allow for movement of the vocal cords by articulating with the cricoid cartilage. It may be affected by arthritis, dislocations, or sclerosis. Structure The arytenoid cartilages are part of the posterior part of the larynx. Surfaces The posterior surface is triangular, smooth, concave, and gives attachment to the arytenoid muscle and transversus. The antero-lateral surface is somewhat convex and rough. On it, near the apex of the cartilage, is a rounded elevation (colliculus) from which a ridge (crista arcuata) curves at first backward and then downward and forward to the vocal process. The lower part of this crest intervenes between two depressions or foveæ, an upper, triangular, and a lower oblong in shape; the latt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peter Ladefoged
Peter Nielsen Ladefoged ( , ; 17 September 1925 – 24 January 2006) was a British linguist and phonetician. He was Professor of Phonetics at University of California, Los Angeles (UCLA), where he taught from 1962 to 1991. His book '' A Course in Phonetics'' is a common introductory text in phonetics, and ''The Sounds of the World's Languages'' (co-authored with Ian Maddieson) is widely regarded as a standard phonetics reference. Ladefoged also wrote several books on the phonetics of African languages. Prior to UCLA, he was a lecturer at the universities of Edinburgh, Scotland (1953–59, 1960–1) and Ibadan, Nigeria (1959–60). Early life Peter Ladefoged was born on 17 September 1925, in Sutton (then in Surrey, now in Greater London), England. He attended Haileybury College from 1938 to 1943, and Gonville and Caius College, Cambridge, Cambridge University from 1943 to 1944. He received an MA (1951) and a PhD (1959) in Phonetics from the University of Edinburgh in 1959. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chronaxie
Chronaxie is the minimum time required for an electric current double the strength of the rheobase to stimulate a muscle or a neuron. Rheobase is the lowest intensity with indefinite pulse duration which just stimulated muscles or nerves. Chronaxie is dependent on the density of voltage-gated sodium channels in the cell, which affect that cell’s excitability. Chronaxie varies across different types of tissue: fast-twitch muscles have a lower chronaxie, slow-twitch muscles have a higher one. Chronaxie is the tissue-excitability parameter that permits choice of the optimum stimulus pulse duration for stimulation of any excitable tissue. Chronaxie (c) is the Lapicque descriptor of the stimulus pulse duration for a current of twice rheobasic (b) strength, which is the threshold current for an infinitely long-duration stimulus pulse. Lapicque showed that these two quantities (c,b) define the strength-duration curve for current: I = b(1+c/d), where d is the pulse duration. However, t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
