Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Modelling of production of Czech formants by vocal folds model
Přikryl K., Mišun V.
pages 288 - +10p., full text

Acoustic speech output in humans is commonly considered to results from a combination of a source of sound energy (e.g. the larynx) modulated by a transfer (filter) function determined by the shape of the supralaryngeal vocal tract. Finite element (FE) models were used to model vocal tracts. Shapes used in this case were obtained using the magnetic resonance imagine (MRI) technique. Different vocal tract are shown corresponding to the Czech vowels /a/,/iI,/ol,/u/. Acceleration of the air column at the point of the glottis was the source of the motion. The output spectrum is the product of the glotal flow spectrum and frequency response of the vocal tract.

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