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LINGUIST List 21.2030

Thu Apr 29 2010

Diss: Phonetics: Wood: 'X-ray and Model Studies of Vowel Articulati...'

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        1.    Sidney Wood, X-ray and Model Studies of Vowel Articulation

Message 1: X-ray and Model Studies of Vowel Articulation
Date: 28-Apr-2010
From: Sidney Wood <sw.phontelia.com>
Subject: X-ray and Model Studies of Vowel Articulation
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Institution: Lund University
Program: Linguistics and Phonetics
Dissertation Status: Completed
Degree Date: 1982

Author: Sidney Wood

Dissertation Title: X-ray and Model Studies of Vowel Articulation

Linguistic Field(s): Phonetics

Dissertation Director:
Eva GĂ„rding

Dissertation Abstract:

The thesis consists of five articles that report various aspects of vowel
articulation. Individual manoeuvres are analysed with the help of
cinefluorography and their contributions to spectral contrasts are
estimated in model experiments by reproducing them on midsagittal profiles
and calculating and evaluating the vocal tract resonances for each
configuration. A model is outlined in which physiologically relevant
manoeuvres are coordinated to shape the vocal cavities for the intended
spectral contrast. The physiology of vowel production is discussed.
Manouevres are related back to speech programming and motor control and
forward to the encoding of the speech signal. Papers I and II deal with
constriction locations. Paper III explores the acoustical consequences of
lip, tongue and larynx manouevres in rounded palatal vowels. Paper IV is
concerned with mandibular, lingual and labial articulation in palatal
vowels. Paper V is devoted to tenseness and laxness. With the model as a
starting point various general problems of speech production are discussed:
the quantal nature of speech, articulatory precision and tolerances, motor
control and compensations, the resonance properties of the vocal tract,
phonological implications.

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