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https://hdl.handle.net/2142/82611
Description
Title
Dynamic Acoustic -Articulatory Relations
Author(s)
Iskarous, Khalil Roushdy
Issue Date
2001
Doctoral Committee Chair(s)
Jennifer Cole
Department of Study
Linguistics
Discipline
Linguistics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Speech Communication
Language
eng
Abstract
This dissertation investigates the relationship between tongue movement and dynamic formant patterns. Based on an analysis of tongue edge deformation from Lateral X-Ray Cineflurographic films, I argue that there are only two basic dynamic patterns: the pivot and the arch. These dynamic structures emerge when the analysis focuses on the contribution of tongue movement to area function dynamics, rather than on the movement of individual points of the tongue. Tongue movement is constrained to influence area function change only at locations in the vocal tract where a linguistic task is specified. The patterns are a dynamic expression of this constraint. Simulation of acoustic tube models will then show how the acoustic consequences of area function change at the linguistically specified locations are fused into complex dynamic formant patterns.
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