Title :
Numerical determination of the lip impedance and vocal tract area functions
Author :
Wakita, Hisashi ; Gray, Augustine H., Jr.
Author_Institution :
Speech Communications Research Laboratory, Santa Barbara, Calif
fDate :
12/1/1975 12:00:00 AM
Abstract :
Two new methods based on a nonuniform acoustic tube model of the vocal tract are developed: a method for estimating the lip impedance zeros and poles directly from the speech wave and a method for computing the area function noniteratively from given lip impedance singularities.
Keywords :
Acoustic measurements; Acoustic waves; Eigenvalues and eigenfunctions; Frequency; Impedance measurement; Oral communication; Poles and zeros; Predictive models; Shape measurement; Speech;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
DOI :
10.1109/TASSP.1975.1162733
