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Numerical investigation of acoustic characteristics of 3D human vocal tract model with nasal cavities

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    0490194 - ÚT 2019 RIV CZ eng C - Conference Paper (international conference)
    Vampola, T. - Štorkán, J. - Horáček, Jaromír - Radolf, Vojtěch
    Numerical investigation of acoustic characteristics of 3D human vocal tract model with nasal cavities.
    Engineering mechanics 2018. Book of full texts. Prague: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, 2018 - (Fischer, C.; Náprstek, J.), s. 893-896, č. článku 304. ISBN 978-80-86246-88-8. ISSN 1805-8248.
    [Engineering mechanics 2018 /24./. Svratka (CZ), 14.05.2018-17.05.2018]
    R&D Projects: GA ČR(CZ) GA16-01246S
    Institutional support: RVO:61388998
    Keywords : formant frequencies * modelling of phonation * biomechanics of voice
    OECD category: Acoustics

    Acoustic resonance characteristics of 3D human vocal tract model without and with nasal and
    paranasal cavities were computed. Nasal cavities (NC) form the side branches of the human vocal tract and exhibit antiresonance and resonance properties which influence the produced voice quality. Developed FE models of acoustic spaces of nasal and vocal tract for vowel /a:/ are used to study the influence of (NC) on phonation. 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.
    Permanent Link: http://hdl.handle.net/11104/0285134

     
     
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