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A comparison of vocal tract perturbation patterns based on statistical and acoustic considerations
Authors:Story Brad H
Institution:Speech Acoustics Laboratory, Department of Speech, Language, and Hearing Sciences, University of Arizona, Tucson, Arizona 85721, USA.
Abstract:The purpose of this study was to investigate the relation between vocal tract deformation patterns obtained from statistical analyses of a set of area functions representative of a vowel repertoire, and the acoustic properties of a neutral vocal tract shape. Acoustic sensitivity functions were calculated for a mean area function based on seven different speakers. Specific linear combinations of the sensitivity functions corresponding to the first two formant frequencies were shown to possess essentially the same amplitude variation along the vocal tract length as the statistically derived deformation patterns reported in previous studies.
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