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

0490194 - ÚT 2019 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
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]
Grant CEP: GA ČR(CZ) GA16-01246S
Institucionální podpora: RVO:61388998
Klíčová slova: formant frequencies * modelling of phonation * biomechanics of voice
Obor OECD: 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.
Trvalý link: http://hdl.handle.net/11104/0285134