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Vocal tract area functions and formant frequencies in opera tenors' modal and falsetto registers
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH.
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2011 (English)In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 129, no 6, 3955-3963 p.Article in journal (Refereed) Published
Abstract [en]

According to recent model investigations, vocal tract resonance is relevant to vocal registers. However, no experimental corroboration of this claim has been published so far. In the present investigation, ten professional tenors' vocal tract configurations were analyzed using MRI volumetry. All subjects produced a sustained tone on the pitch F4 (349 Hz) on the vowel /a/(1) in modal and (2) in falsetto register. The area functions were estimated from the MRI data and their associated formant frequencies were calculated. In a second condition the same subjects repeated the same tasks in a sound treated room and their formant frequencies were estimated by means of inverse filtering. In both recordings similar formant frequencies were observed. Vocal tract shapes differed between modal and falsetto register. In modal as compared to falsetto the lip opening and the oral cavity were wider and the first formant frequency was higher. In this sense the presented results are in agreement with the claim that the formant frequencies differ between registers.

Place, publisher, year, edition, pages
2011. Vol. 129, no 6, 3955-3963 p.
Keyword [en]
National Category
Musicology Fluid Mechanics and Acoustics
URN: urn:nbn:se:kth:diva-35608DOI: 10.1121/1.3589249ISI: 000291727000063ScopusID: 2-s2.0-79959487544OAI: diva2:429686
QC 20110705Available from: 2011-07-05 Created: 2011-07-04 Last updated: 2011-07-05Bibliographically approved

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Sundberg, Johan
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Speech, Music and Hearing, TMH
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MusicologyFluid Mechanics and Acoustics

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