Coarticulation of Nasality: Evidence from Hindi

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Abstract
The temporal scope of nasal coarticulation and its dependence on segment type, syllable boundary, and word boundary was investigated in Hindi, which, unlike English, has contrastive nasality in vowels as well as consonants. Various words with nasalized and nonnasalized vowels and nasal and nonnasal consonants and with syllable boundary falling at different places were selected and inserted in the meaningful sentences, which provided preceeding and following word boundaries to the inserted words. Electromyograms were recorded together with simultaneous recording from oral and nasal microphones. It was shown that (1) the effect of coarticulatory nasalily stretches beyond two segments on both sides of a nasal—vowel or consonants; (2) the temporal scope of coarticulatory effects was unrestricted by syllable or word boundary; and (3) left-to-right effects were as extensive as right-to-left effects. These results are discussed in relation to results of previous studies. [This work was supported by grants from the National Science Foundation.]

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