A comparison of vocal tract perturbation patterns based on statistical and acoustic considerations | Zendy

Brad H. Story | Zendy

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A comparison of vocal tract perturbation patterns based on statistical and acoustic considerations

Author(s) -

Brad H. Story

Publication year - 2007

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2771369

Subject(s) - vocal tract , formant , acoustics , vowel , amplitude , perturbation (astronomy) , statistical analysis , mathematics , sensitivity (control systems) , physics , speech recognition , computer science , statistics , optics , quantum mechanics , electronic engineering , engineering

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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