Effects of higher order propagation modes in vocal tract like geometries

Rémi Blandin, Marc Arnela, Rafael Laboissière, Xavier Pelorson, Oriol Guasch, Annemie Van Hirtum, Xavier Laval

Producció científica: Article en revista indexadaArticleAvaluat per experts

51 Cites (Scopus)


In this paper, a multimodal theory accounting for higher order acoustical propagation modes is presented as an extension to the classical plane wave theory. This theoretical development is validated against experiments on vocal tract replicas, obtained using a 3D printer and finite element simulations. Simplified vocal tract geometries of increasing complexity are used to investigate the influence of some geometrical parameters on the acoustical properties of the vocal tract. It is shown that the higher order modes can produce additional resonances and anti-resonances and can also strongly affect the radiated sound. These effects appear to be dependent on the eccentricity and the cross-sectional shape of the geometries. Finally, the comparison between the simulations and the experiments points out the importance of taking visco-thermal losses into account to increase the accuracy of the resonance bandwidths prediction.

Idioma originalAnglès
Pàgines (de-a)832-843
Nombre de pàgines12
RevistaJournal of the Acoustical Society of America
Estat de la publicacióPublicada - 1 de febr. 2015


Navegar pels temes de recerca de 'Effects of higher order propagation modes in vocal tract like geometries'. Junts formen un fingerprint únic.

Com citar-ho