Assimilation affecting the point of articulation

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Assimilation affecting the point of articulation takes place when the principal (alveolar) variants of the phonemes [t], [d], [n], [l], [s], [z] are replaced by their subsidiary dental variants if they are adjacent to dental consonant phonemes [θ], [р], e.g. tenth [tenθ], in them [in ðem], width [w dq], ɪ read this [ ri:d ð s], ˈ ˎ ɪ wealth [welθ], sixth [s ks ɪ θ], has the [hæz ð ]. ə 46. When does assimilation affect the active speech organs? Give examples. Assimilation affecting the active speech organ and the point of articulation takes place in the following cases. In words with the prefix con -, when it is followed by the consonants [k], [g]: the forelingual alveolar [n] is replaced by the backlin- gual velar [ŋ], if the prefix bears either a primary or a secondary stress, e.g. con- gress ['k ŋgr s], ɒ ə concrete [k n'kri:t]. ə There is no assimilation of the prefix is unstressed congratulation [ken grætju ˌ 'le ∫n]. ɪ The same kind of assimilation takes place when a vowel beetween [n] and [k] in an unstressed syllable is omitted in rapid speech. Cf. bacon [ be k n] → ˈ ɪ ə [be kŋ], ɪ I can go [a ken g u] → [a kŋ g u]. ɪ ˈ ɜ ɪ ɜ ˎ ˎ When [m] occurs immediately before [f] or [v] it is assimilated to them, and its principal bilabial variant is replaced by its subsidiary labio-dental variant 47. When does assimilation affect the manner of noise production? Give examples. When the constrictive noise fricative [v] occurs before the occlusive nasal con- sonant [m] at the word boundary between me and give , let in rapid speech they are likely to be assimilated to [m], e.g. give me [g m m ], ɪ ɪ let me [lem m ]. True, assimilation in this case affects not only the ɪ manner of the production of noise, but also the position of the soft palate. 48. When does assimilation affect the work of the vocal cords? Give examples. A voiceless consonant may be replaced by a voiced one under the influence of the adjacent voiced consonant.
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Thus the voiceless [s] in goose [gu:s] was replaced by the voiced [z] in the com- pound noun gooseberry [ g zb r ] under the influence of the voiced [b] ˈ ə ɪ Ʋ in berry.
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  • Fall '19
  • Phonation, Vowel, International Phonetic Alphabet, Stop consonant, Consonant

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