Mathematical Modelling of the Sensitivity of Acoustic Resonance Properties to a Change in Volume of Lateral Cavities of the Human Vocal Tract

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F15%3A00444095" target="_blank" >RIV/61388998:_____/15:00444095 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Mathematical Modelling of the Sensitivity of Acoustic Resonance Properties to a Change in Volume of Lateral Cavities of the Human Vocal Tract

Popis výsledku v původním jazyce

An analysis of acoustic resonant properties of the human vocal tract including piriform sinuses (PS) was done using 1D mathematical model. New pair of resonances around 5 kHz followed by an antiresonance frequency were detected in the results. The formant frequencies lying below the first new resonance of PS lowered with increasing PS volume, whereas the others increased. Although the simplified 1D model cannot capture higher-frequency transversal mode shapes, the resulted changes caused by PS correspond qualitatively to recent findings of 3D computational models.

Název v anglickém jazyce

Mathematical Modelling of the Sensitivity of Acoustic Resonance Properties to a Change in Volume of Lateral Cavities of the Human Vocal Tract

Popis výsledku anglicky

An analysis of acoustic resonant properties of the human vocal tract including piriform sinuses (PS) was done using 1D mathematical model. New pair of resonances around 5 kHz followed by an antiresonance frequency were detected in the results. The formant frequencies lying below the first new resonance of PS lowered with increasing PS volume, whereas the others increased. Although the simplified 1D model cannot capture higher-frequency transversal mode shapes, the resulted changes caused by PS correspond qualitatively to recent findings of 3D computational models.

Druh

O - Ostatní výsledky

CEP obor

BI - Akustika a kmity

OECD FORD obor

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Projekt

<a href="/cs/project/GPP101%2F12%2FP579" target="_blank" >GPP101/12/P579: Akustické rezonanční vlastnosti vokálních dutin - přímá a iverzní úloha</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů