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Vowel variability in elicited versus spontaneous speech: Evidence from Mixtec

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dc.contributor.author DiCanio, Christian en
dc.contributor.author Nam, Hosung en
dc.contributor.author Amith, Jonathan D. en
dc.contributor.author García, Rey Castillo en
dc.contributor.author Whalen, D. H. en
dc.date.accessioned 2015-04-20T15:16:04Z
dc.date.available 2015-04-20T15:16:04Z
dc.date.issued 2015
dc.identifier.citation DiCanio, Christian, Nam, Hosung, Amith, Jonathan D., García, Rey Castillo, and Whalen, D. H. 2015. "Vowel variability in elicited versus spontaneous speech: Evidence from Mixtec." <em>Journal of Phonetics</em>. 48:45&ndash;59. <a href="https://doi.org/10.1016/j.wocn.2014.10.003">https://doi.org/10.1016/j.wocn.2014.10.003</a> en
dc.identifier.issn 0095-4470
dc.identifier.uri http://hdl.handle.net/10088/25777
dc.description.abstract This study investigates the influence of speech style, duration, contextual factors, and sex on vowel dispersion and variability in Yoloxóchitl Mixtec, an endangered language spoken in Mexico. Oral vowels were examined from recordings of elicited citation words and spontaneous narrative speech matched across seven speakers. Results show spontaneous speech to contain shorter vowel durations and stronger effects of contextual assimilation than elicited speech. The vowel space is less disperse and there is greater intra-vowel variability in spontaneous speech than in elicited speech. Furthermore, male speakers show smaller differences in vowel dispersion and duration across styles than female speakers do. These phonetic differences across speech styles are not entirely reducible to durational differences; rather, speakers also seem to adjust their articulatory/acoustic precision in accordance with style. Despite the stylistic differences, we find robust acoustic differences between vowels in spontaneous speech, maintaining the overall vowel space pattern. While style and durational changes produce noticeable differences in vowel acoustics, one can closely approximate the phonetics of a vowel system of an endangered language from narrative speech. Elicited speech is likelier to give the most extreme formants used by the language than is spontaneous speech, but the usefulness of phonetic data from spontaneous speech has still been demonstrated. en
dc.relation.ispartof Journal of Phonetics en
dc.title Vowel variability in elicited versus spontaneous speech: Evidence from Mixtec en
dc.type Journal Article en
dc.identifier.srbnumber 133119
dc.identifier.doi 10.1016/j.wocn.2014.10.003
rft.jtitle Journal of Phonetics
rft.volume 48
rft.spage 45
rft.epage 59
dc.description.SIUnit NH-Anthropology en
dc.description.SIUnit NMNH en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 45
dc.citation.epage 59

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