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

Psychoacoustic parameters of auto cab from mathematical modelling
Pellant K., Přikryl K., Zvonek M.
pages 246 - +7p., full text

After a short introduction to psychoacoustic parameters evaluation the most common methods of mathematical acoustic modelling - ray tracing and the image source model- are discussed briefly. It is shown how the information contained in an echogram obtained by ray- tracing can be used for the determination of psychoacoustic parameters of an enclosure. The process is applied for the evaluation of the speech intelligibility index in the vehicle cab for different sound sources (radio loudspeakers or passenger). The modelling is performed in system Raynoise and the cab of Skoda Octavia Combi is used as the modelling entity.

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All papers were reviewed by members of the scientific committee.

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