The radiated sound pressure level (SPL) during phonation is known to be mainly regulated by lung pressure and glottal resistance (adduction), at the glottal level. Few re [...]

Abstract: The paper deals with increasing the efficiency of material disintegration process by the action of – non abrasive waterjet. The greater efficiency of this pro [...]

Linear two degrees of freedom aero-elastic system for modelling vibrations of human vocal folds was originally developed by which the physiological conditions for so-call [...]

The impact effects in gear mesh represent specific phenomena in the dynamic investigation of highspeed light transmission systems with kinematic couplings. They are cause [...]

Impedance and wall absorption are important characteristics of acoustical systems. Unlike the electrical case, no convenient commercial system is available for acoustical [...]

The paper deals with simulation of an electromagnetic vibration power generator. The vibration power generator harvests electrical energy from ambient energy of the mecha [...]

A 3D finite element model of the human larynx including the vocal folds was developed. The model enables to take into account phonation position (tension and adduction) o [...]

Abstrakt:

Velopharyngeal insufficiency is modeled in frequency domain by the transfer matrix method in connection with conical acoustical elements. The vocal tract is considered as [...]

The model of the human vocal fold is created with transfer matrix method. The model is made from 32 cylindric or conic elements for Czech vowel /u/. The calculation is ca [...]

The study presents three-dimensional finite element (FE) model of flow induced oscillations of the human vocal folds in interaction with acoustic processes in the simplif [...]

The aim of this study was to compare the approximate finite element model of acoustic spaces corresponding to the human adult male vocal tract and nasal cavity with the i [...]

The Source-filter theory does not take into account many important circumstances for generating of vowels, e.g. the effects of source on filter. One of these effects is i [...]

Results of a voice numerical simulation using finite element (FE) model of acoustic spaces corresponding to the human vocal tract for English vowel / a / are presented. T [...]

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) funct [...]

1D and 3D finite element models of supraglottal tract designed for Czech vowel / a / are analyzed. Performed modal analysis is focused on investigation of the influence o [...]

Inverse method was used for numerical simulation of acoustic characteristics of a professional musical actor before and after vocal exercises. The geometrical data for a [...]

The paper deals with optimization process finding such geometrical form of acoustical cavities of the human supraglottal spaces which leads to excitation of predefined ac [...]