scholarly journals Effect of Changing the Vocal Tract Shape on the Sound Production of the Recorder: An Experimental and Theoretical Study

2015 ◽  
Vol 101 (2) ◽  
pp. 317-330 ◽  
Author(s):  
R. Auvray ◽  
A. Ernoult ◽  
S. Terrien ◽  
P. Y. Lagrée ◽  
B. Fabre ◽  
...  
Keyword(s):  
Sound Production ◽  
Theoretical Study ◽  
Vocal Tract ◽  
Vocal Tract Shape

Une nouvelle méthode de mesure de la fonction d'aire du conduit vocal : cas des voyelles

2005 ◽  
Vol 83 (7) ◽  
pp. 721-737
Author(s):  
H Teffahi ◽  
B Guerin ◽  
A Djeradi
Keyword(s):  
Measurement Method ◽  
Cross Correlation ◽  
Sound Production ◽  
Linear Prediction ◽  
Vocal Tract ◽  
Random Sequence ◽  
Speech Sound ◽  
Acoustic Properties ◽  
External Excitation ◽  
White Noise Excitation

Knowledge of vocal tract area functions is important for the understanding of phenomena occurring during speech production. We present here a new measurement method based on the external excitation of the vocal tract with a known pseudo-random sequence, where the area function is obtained by a linear prediction analysis applied to the cross-correlation between the sequence and the signal measured at the lips. The advantages of this method over methods based on sweep-tones or white noise excitation are (1) a much shorter measurement time (about 100 ms) and (2) the possibility of speech sound production during the measurement. This method has been checked against classical methods through systematic comparisons on a small corpus of vowels. Moreover, it has been verified that simultaneous speech sound production does not perturb significantly the measurements. This method should thus be a very helpful tool for the investigation of the acoustic properties of the vocal tract in various cases for vowels.

Adjustment of Vocal Tract Shape via Biofeedback: Influence on Vowels

2020 ◽  
Vol 34 (3) ◽  
pp. 335-345 ◽  
Author(s):  
Simone Graf ◽  
Johannes Schwiebacher ◽  
Lena Richter ◽  
Maria Buchberger ◽  
Seiji Adachi ◽  
...  
Keyword(s):  
Vocal Tract ◽  
Vocal Tract Shape

scholarly journals Vocal tract shape and acoustic adjustments of children during phonation into narrow flow-resistant tubes

2019 ◽  
Vol 146 (1) ◽  
pp. 352-368
Author(s):  
Rita R. Patel ◽  
Steven M. Lulich ◽  
Alessandra Verdi
Keyword(s):  
Vocal Tract ◽  
Vocal Tract Shape
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