Effects of airflow in constricted vocal tracts on vowel production of the reed-type artificial vocal fold

[摘要] The human voice is produced by self-sustained oscillations of vocal folds and the resulting pulsating jet flow passing through the glottis. To mimic this sound generation mechanism, many vocal fold models have been proposed and developed for many years. The first well-known vocal fold replica, comprised of a reed and its retainer, was proposed by von Kempelen around 1780 for his speaking machine [1]. This reed-type artificial vocal fold has been still used because of its easy fabrication geometry [2]. By fabricating it with the vocal tract model of a simple tube with a cylindrical constriction, formant peaks appear in the spectrum of the generated sound like the human vowel production.

[学科分类] 声学和超声波

[关键词] Speech production;Aeroacoustics;Computational fluid dynamics;Artificial vocal fold;Vocal tract