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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
MKP model akustických prostor a analýza lidského vokálního traktu pro normální a zpěvný hlas-předběžná studie
 Vampola, T. ; Horáček, Jaromír ; Krupa, P. ; Švec, J. G. ; Havlík, R. ; Lejska, M.
The contribution deals with the design of the FE models of the human vocal tract for phonation of the vowel /a:/ without and with the singerś formant. Significant changes in the dimensions of the acoustic spaces of the vocal tract and in the basic acoustic frequency-modal characteristics of the models due to the existence of the singerś formant are presented. The models were developed from the MRI measurements of the singer during phonation with and without the singerś formant.
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PIV měření proudových polí v modelu lidského vokálního traktu
 Horáček, Jaromír ; Šidlof, Petr ; Uruba, Václav ; Veselý, Jan ; Radolf, Vojtěch ; Bula, Vítězslav ; Knob, Martin
The contribution describes an especially developed complex physical model of the voice production that consists of simplified models of the trachea, the self-oscillating vocal folds and the vocal tract with acoustical spaces that correspond to the vowel /a:/. The presented measurement set-up enables to use the PIV method for visualization of the airflow-pattern and synchronous vocal fold vibration visualization, acoustic and pressure measurements. Some preliminary results are presented as well.
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