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Acoustic correlates of stress in central Catalan and Castilian Spanish

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dc.contributor.author Ortega-Llebaria, Marta
dc.contributor.author Prieto Vives, Pilar, 1965-
dc.date.accessioned 2017-01-16T17:02:33Z
dc.date.available 2017-01-16T17:02:33Z
dc.date.issued 2011
dc.identifier.citation Ortega-Llebaria M, Prieto P. Acoustic correlates of stress in central Catalan and Castilian Spanish. Lang Speech. 2011 March 1;54(1):73-97. DOI: 10.1177/0023830910388014
dc.identifier.issn 0023-8309
dc.identifier.uri http://hdl.handle.net/10230/27911
dc.description.abstract The general literature on the phonetic correlates of stress agrees that duration, and in stress accent languages, F0 are consistent correlates of stress. However, the role of amplitude changes in the speech signal is more controversial. In particular, the conflicting results of spectral tilt as a correlate of stress have been attributed to the effects of vowel reduction. We examined the stress correlates of duration, overall intensity and spectral tilt in Catalan and Spanish in both accented and unaccented contexts while controlling for formant frequency differences between morphologically corresponding vowels in stressed and unstressed environments by comparing vowels that maintain the same quality across stress contexts with those that do not. Duration was a consistent stress correlate in all vowels in both languages, regardless of their formant frequency differences across stress contexts and of the absence of pitch accents. In fact, stressrelated formant frequency differences between corresponding vowels amplify the duration cues to the stress contrast. On the other hand, the use speakers made of intensity was not as pervasive as that of duration. Specifically, changes in spectral tilt were significant only in Catalan and in those vowels that alternate a more open and peripheral realization in stressed syllables with a mid-central realization in unstressed syllables, indicating that spectral tilt is related to the formant frequency differences linked to the centralization processes rather than to the stress contrast.
dc.description.sponsorship We would like to thank the audience at the 2005 PaPI Conference, and also Barbara Bullock, Megan Crowhurst, Sónia Frota, José Ignacio Hualde, Scott Myers, Jacqueline Toribio, Daniel Recasens, and Marina Vigário for very useful feedback. We are also grateful to the 20 informants who kindly participated in the production experiment. Thanks to Tim Mills who kindly sent us the script that measures spectral tilt. Special thanks to John Coleman and two anonymous reviewers, whose insightful comments greatly improved the quality of this article. This research has been funded by grant 2005SGR-00753, awarded by the Generalitat de Catalunya, and by grants HUM2006-01758/FILO “Estructura prosódica y adquisición de la prosodia en catalán y español”, CONSOLIDER-INGENIO 2010 “Bilingüismo y Neurociencia Cognitiva CSD2007-00012” awarded by the Spanish Ministerio de Educación y Ciencia, and URA Program awarded by the College of Liberal Arts, University of Texas.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher SAGE Publications
dc.relation.ispartof Language and speech. 2011 March 1; 54(1): 73-97
dc.rights © The final definitive version of this paper has been published in Language and Speech, 54/1, March/2011 by SAGE Publications Ltd. All rights reserved.
dc.title Acoustic correlates of stress in central Catalan and Castilian Spanish
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://dx.doi.org/10.1177/0023830910388014
dc.subject.keyword Accent
dc.subject.keyword Catalan
dc.subject.keyword Prosody
dc.subject.keyword Spanish
dc.subject.keyword Stress
dc.relation.projectID info:eu-repo/grantAgreement/ES/2PN/HUM2006-01758
dc.relation.projectID info:eu-repo/grantAgreement/ES/2PN/CSD2007-00012
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/acceptedVersion

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