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The system of English consonants

Articulatory differences between consonants and vowels | Modifications of vowels in speech | Modifications of consonants in speech | The notion of articulatory basis. Its difference in English and Russian. | L.V. Scherba classifies the pronunciation errors as phonological and phonetic. | The physical properties of a sound and their articulatory correlations and acoustic qualities | Classification of articulation transitions from sound to sound | The aspects of a sound | The notion of allophone. Classification | Functions of segmental and suprasegmental phonetic units |


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On the articulatory level every consonant can be characterized by 2 facts: in what articulatory position are organs of speech while pronouncing this consonant;where in the mouth this consonant is formed. consonant is a speech sound that is articulated with complete or partial closure of the vocal tract. Examples are[p], pronounced with the lips; [t], pronounced with the front of the tongue; [k], pronounced with the back of the tongue; [h], pronounced in the throat; [f] and [s], pronounced by forcing air through a narrow channel (fricatives); and [m] and [n], which have air flowing through the nose (nasals).

(I)Each sound is known to have three aspects: articulatory; acoustic and auditory; and therefore can be studied on three levels. the first and basic principle of classification is the degree of noise. It leads to dividing English consonants into two big groups: A - noise consonants- p, b, t, d; B – sonorants-m,n,l. It is easy to see that the term "degree of noise" belongs to auditory level analysis.

(II)The manner of the production of noise and the type of obstruction is another characteristic of English consonants. On this ground three classes of consonants are distinguished: a) occlusive, in the production of which a complete obstruction is formed-p,b.m,n; b) constrictive, in the production of which an incomplete obstruction is formed-v,h,f,s; c) occlusive-constrictive consonants (affricates), in the production of which the obstruction is complete at the beginning of production, then it becomes incomplete.-tʃ,dʒ

(III)The place of articulation is another characteristic of English consonants. According to this principle the English consonants are classed into: 1) labial; 2 ) lingual; 3) glottal [h]. The class of labial consonants is subdivided into: a) bilabial[p,b,m,w]l; b) labiodental[f,v], and among the class of lingual consonants three subclasses are distinguished. They are: a) forelingual [A: According to the position of the tip of the tongue they may be apical -t,d,s,z,n,l; cacuminal -r;B- According to the place of obstruction forelingual consonants may be interdental- Ѳ,ð; alveolar -t,d,s,n,l; post-alveolar -r; palato-alveolar - tʃ,dʒ]; b) mediolingual consonants are produced with the front part of the tongue. They are always palatal. Palatal consonants are articulated with the front part of the tongue raised high to the hard palate /j/. and c) backlingual consonants are also called velar, they are produced with the back part of the tongue raised towards the soft palate “velum” /k, g, ŋ /.

(IV) According to the position of the soft palate all consonants are
subdivided into oral and nasal. When the soft palate is raised oral consonants are
produced- p, t, k, f, v; when the soft palate is lowered nasal consonants are produced-. m, n,ŋ

(V) According to the force of articulation consonants may be fortis-p,t,k,tʃ and lenis-b,d,g,dʒ. This characteristic is connected with the work of the vocal cords: voiceless consonants are strong and voiced are weak.

 

3. The system of English vowels (20 phonemes)

Vowels unlike consonants are produced with no obstruction to the stream of air their integral characteristic is tone.

On their articulatory level vowels can change:


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Phonetics as a branch of linguistics| Stability of articulation.

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