Global ETD Search
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Showing 1 to 13 of 13 for “"acoustic correlates"”.
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Acoustic correlates of nasality in speech
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1996.
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Acoustic Correlates of the Syllable: Evidence From Spanish
The aim of this thesis is to provide phonetic evidence that would support the existence of the constituent syllable in phonological theory. The hypothesis is that syllable structure can be identified by examining the temporal dimension of segments. The central idea of this thesis, following work by …
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Acoustic correlates of word stress in American English
Acoustic parameters that differentiate between primary stress and non-primary full vowels were determined using two-syllable real and novel words and specially constructed novel words with identical syllable compositions. The location of the high focal pitch accent within a declarative carrier …
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ESL speakers' production of English lexical stress: The effect of variation in acoustic correlates on perceived intelligibility and nativeness
… speakers compare in their production of three acoustic correlates of lexical stress in English, namely the relative durations of stressed and unstressed vowels and their relative intensities and fundamental frequency (F0) values. A set of three-syllable words, including cognates and …
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Nasal codas in Standard Chinese : a study in the framework of the distinctive feature theory
… (SC) are compared to distinguish between the acoustic correlates of language-universal distinctive features and language-specific enhancing attributes. The distinctive feature theory and the theory of enhancement provide a framework for quantifying the acoustic and articulatory patterns …
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Optimization of acoustic feature extraction from dysarthric speech
… listener, there must be a set of consistent acoustic cues that the familiar communication partner is able to interpret. While dysarthric speech has been characterized both acoustically and perceptually, most accounts tend to compare dysarthric productions to those of healthy controls rather …
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Tongue Retraction in Arabic: An Ultrasound and Acoustic Study
… in this study was fifteen. The articulatory and acoustic results indicate that tongue retraction exhibited in the Arabic emphatic coronals differs from that of the pharyngeals and the uvulars. While the emphatics are produced with simultaneous raising of the tongue dorsum and retraction of the …
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Dealing with linguistic mismatches for automatic speech recognition
… In the first part, classic theories relevant to acoustics and articulatory phonetics that present capability of being transferred across a dialect continuum from local dialects to another standardized language are re-visited. Experiments demonstrate the potentials that acoustic correlates in the …
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Prosodically Induced Acoustic Variation in English, Korean, and Hindi
… Korean and Hindi that examine factors governing acoustic variation. The focus of this research is the patterns of variation in the acoustic expression of laryngeal phonological contrasts among stop consonants and supralaryngeal contrasts among vowels, and the role of systemic and prosodic factors …
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Intonation in Indian English and Hindi late and simultaneous bilinguals
… experiment show that in Indian English, the main acoustic correlates of focal prominence are a bigger pitch excursion on the focus element and post-focal reduction in duration, RMS amplitude and pitch excursion. Hindi differs in that the main acoustic correlates of focus include increased duration …
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The phonetic correlates of pharyngealization and pharyngealization spread patterns in Cairene Arabic an acoustic and real-time magnetic resonance imaging study
… and domain (distance). The most prominent acoustic consequence of this articulatory configuration is a lowering of the second formant frequency in surrounding vowels. The extent of the modification in the formant frequency is determined by the length and quality of the vowel. This study …
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Speech Production and Developmental Language Disorder in Children
… children with DLD have higher thresholds for the acoustic parameters that yield stress patterns in language, which contribute to rhythmicity. Given the abundance of literature connecting stress and rhythm, I hypothesize here that children with DLD will show difficulties in their abilities to …
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Using articulatory adjustment to compensate for hypernasality - a modeling study based on measures of electromagnetic articulography (EMA)
… speech quality related to excessive emission of acoustic energy through the nose, as caused by failure of velopharyngeal closure. As an attempt to reduce hypernasality and, in turn, improve the quality of VPI-related hypernasal speech, this study is dedicated to developing an approach that uses …