Original title: Influence of the nasal cavities to human voice quality
Authors: Vampola, T. ; Horáček, Jaromír
Document type: Papers
Conference/Event: Engineering Mechanics,23rd International conference May 15-18 2017. Svratka, Czech Republic, Svratka (CZ), 20170515
Year: 2017
Language: eng
Abstract: Nasal cavities (NC) form the side branches of the human vocal tract and exhibit antiresonance and resonance properties which influence the produced voice quality. This study investigates the possibility of these resonances to contribute to the speaker's or singer's formant cluster around 3 - 5 kHz. A reduced finite element (FE) model was created which allows numerical simulation of the effects of changing the volumes of NC on the acoustic resonance and antiresonance characteristics of the vocal tract. This model, created from an accurate three-dimensional (3D) FE model of the human vocal tract for vowel [a:] and [i:] is computationally-effective and allows parametric changes of the volume connecting the nasal tract with the human vocal tract. Developed FE models of acoustic spaces of nasal and vocal tract for vowels /a:/ and /i:/ are used to study the influence of (NC) on phonation of these vowels. Acoustics frequency-modal characteristics are studied by modal analysis and numerical simulation of acoustic signals in time domain is performed by transient analysis of the FE models.
Keywords: human vocal tract; human voice quality; nasal cavities
Project no.: GA16-01246S (CEP)
Funding provider: GA ČR
Host item entry: Engineering Mechanics 2017, ISBN 978-80-214-5497-2, ISSN 1805-8248

Institution: Institute of Thermomechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0279654

Permalink: http://www.nusl.cz/ntk/nusl-371018

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Research > Institutes ASCR > Institute of Thermomechanics
Conference materials > Papers
 Record created 2018-01-11, last modified 2020-03-27

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