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LINGUIST List 23.690

Thu Feb 09 2012

Diss: Phonetics/Spanish: Kim: 'The Phonetics of Stress ...'

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        1.     Miran Kim , The Phonetics of Stress Manifestation: Segmental variation, syllable constituency, and rhythm


Message 1: The Phonetics of Stress Manifestation: Segmental variation, syllable constituency, and rhythm
Date: 13-Oct-2011
From: Miran Kim <mi.kimstonybrook.edu>
Subject: The Phonetics of Stress Manifestation: Segmental variation, syllable constituency, and rhythm
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Institution: State University of New York at Stony Brook
Program: Department of Linguistics
Dissertation Status: Completed
Degree Date: 2011

Author: Miran Kim

Dissertation Title: The Phonetics of Stress Manifestation: Segmental variation, syllable constituency, and rhythm

Dissertation URL: http://upload.cos.com/etdadmin/files/287/111541_pdf_104196_E8BA831E-CCD4-11

Linguistic Field(s): General Linguistics
                            Phonetics
                            Phonology
                            Sociolinguistics

Subject Language(s): Spanish (spa)

Dissertation Director:
Marie K. Huffman
Lisa M Lavoie
José Elías-Ulloa
Lori Repetti

Dissertation Abstract:

This dissertation investigates how lexical stress in Spanish is
phonetically manifested within the syllable, and how stress manifestation
interacts with other prosodic effects, such as phrasal accent and initial
word-boundary effects. One of the challenges in the study of prosody is the
fact that multiple prosodic factors induce variation in a limited number of
phonetic dimensions. For this reason, results in the literature have often
been inconclusive or conflicting. The disentanglement of these prosodic
effects will help us understand the complex nature of prosody.

The results of this study show that stress effects can be identified
independently of phrasal level prominence (accent) and prosodic-boundary
effects (position in word). Among the prosodic effects, durational and
spectral properties clearly differentiate stressed onset and vowel from
their unstressed counterparts, but intensity does not. In addition,
similarities between stress and accent effects, grouped as 'prominence
effects', are distinguished from word-level boundary effects that are
conditioned by accent conditions. Finally, the results indicate that
syllable constituency can be involved in prosodic manifestation, possibly
constrained by higher-level prosody, such as isochrony (stress-timed vs.
syllable-timed rhythms). We identified apparent complementarity between
syllable constituents in the stress manifestation of two dialects of
Spanish, which can be attributed to two structural motivations. On the one
hand, syllable constituency is involved in segmental variation at the
lexical-level (stress); and on the other hand, a higher-level prosody
(isochronous rhythm) can play a role as an upper bound in constraining the
variability. A gestural account is provided to accommodate the asymmetric
contribution of syllable constituents to the temporal manifestation of stress.

The investigation of the phonetics of prosody manifestation provides us
insight into interrelations among prosodic factors, and the systematicity
behind the complexity of prosodic effects. It is hoped that this
dissertation contributes to a better understanding of prosody as a
well-structured grammatical component, and its connections to segmental
phenomena in languages.




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