The effects of cross-generational and cross-dialectal variation on vowel identification and classification.

The Journal of the Acoustical Society of America
Ewa Jacewicz, Robert Allen Fox

Abstract

Cross-generational and cross-dialectal variation in vowels among speakers of American English was examined in terms of vowel identification by listeners and vowel classification using pattern recognition. Listeners from Western North Carolina and Southeastern Wisconsin identified 12 vowel categories produced by 120 speakers stratified by age (old adults, young adults, and children), gender, and dialect. The vowels /ɝ, o, ʊ, u/ were well identified by both groups of listeners. The majority of confusions were for the front /i, ɪ, e, ɛ, æ/, the low back /ɑ, ɔ/ and the monophthongal North Carolina /aɪ/. For selected vowels, generational differences in acoustic vowel characteristics were perceptually salient, suggesting listeners' responsiveness to sound change. Female exemplars and native-dialect variants produced higher identification rates. Linear discriminant analyses which examined dialect and generational classification accuracy showed that sampling the formant pattern at vowel midpoint only is insufficient to separate the vowels. Two sample points near onset and offset provided enough information for successful classification. The models trained on one dialect classified the vowels from the other dialect with much lower accur...Continue Reading

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Citations

Nov 5, 2013·The Journal of the Acoustical Society of America·Steven SandovalAndreas Spanias
Nov 7, 2014·The Journal of the Acoustical Society of America·Daniel Williams, Paola Escudero
Oct 24, 2014·Frontiers in Psychology·Daniel Williams, Paola Escudero
Oct 31, 2016·The Journal of the Acoustical Society of America·Angelos Lengeris
Mar 23, 2017·Language and Speech·Cynthia G Clopper, Abby Walker
Apr 13, 2018·Phonetica·Ewa Jacewicz, Robert Allen Fox
Jan 17, 2019·Clinical Linguistics & Phonetics·Karl VelikRobert Allen Fox
Apr 2, 2014·Journal of Speech, Language, and Hearing Research : JSLHR·Ewa Jacewicz, Robert Allen Fox
Oct 30, 2016·Journal of Speech, Language, and Hearing Research : JSLHR·Gayle Beam LongEwa Jacewicz
Dec 28, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Irina A Shport
Aug 3, 2017·The Journal of the Acoustical Society of America·Cynthia G Clopper
Jun 17, 2020·Language and Speech·Wil Rankinen, Kenneth de Jong
May 4, 2017·The Journal of the Acoustical Society of America·Heike E SchoormannJörg Peters
Feb 3, 2020·The Journal of the Acoustical Society of America·Erik R Thomas
Feb 3, 2020·The Journal of the Acoustical Society of America·Ewa Jacewicz, Robert Allen Fox
Feb 3, 2020·The Journal of the Acoustical Society of America·Youkyung BaeRobert Allen Fox
Jan 4, 2017·Journal of Phonetics·Cynthia G ClopperJanet B Pierrehumbert

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