8th International Conference on Spoken Language Processing

Jeju Island, Korea
October 4-8, 2004

Computation of the Acoustic Characteristics of Vocal-Tract Models with Geometrical Perturbation

Kunitoshi Motoki, Hiroki Matsuzaki

Hokkai-Gakuen University, Japan

This paper presents computational results of sound pressure distributions and transfer characteristics for a large number of vocal-tract models which contain geometrical perturbations. A small change of the vocal-tract shape is regarded as a geometrical perturbation of the axis position of each vocal-tract section. Computation of the acoustic field in the models are performed using higher-order modes. The results indicate that acoustic characteristics in the higher frequencies are highly sensitive to the small change of the vocal-tract shape.

Full Paper

Bibliographic reference.  Motoki, Kunitoshi / Matsuzaki, Hiroki (2004): "Computation of the acoustic characteristics of vocal-tract models with geometrical perturbation", In INTERSPEECH-2004, 521-524.