Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"coarticulation"”.
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Coarticulation in American Sign Language Fingerspelling
… The present study proposes to examine the coarticulation and feature-spreading characteristics of fingerspelling. A preliminary study identified feature categories to be examined. In keeping with these results and feature categories, three hypotheses were constructed: (1) anticipatory …
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Patterns of anticipatory coarticulation in adults and typically developing children
Coarticulation is the kinematic and spectral overlap between adjacent sounds during speech production. Coarticulation patterns in typical adults have been well established; however, the manner in which coarticulation is developed in children is still unclear. Research has provided conflicting …
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An acoustic study of coarticulation patterns in Turkish and English
… native speakers of these two languages employ coarticulation in production of rounded vowels separated by nonlabial consonants. The motivation for such studies was to determine whether a correlation between coarticulation and the phonetic structure of the language exists. Understanding …
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Improving coarticulation performance of 3D avatar and gaze estimation using RGB webcam
This thesis explores two applications of computer vision in psychology-related studies: enhanced patient portal messages using 3D avatar and gaze estimation using a single RGB camera. The first application aims to help patients, especially those with poor health and low medical literacy, to …
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Temporal and Aerodynamic Aspects of Velopharyngeal Coarticulation: Effects of Age, Gender and Vowel Height
… studies on the normal patterns of velopharyngeal coarticulation did not provide a multidimensional description of the phenomenon. The primary objective of this study was to determine the effects of age, gender and vowel height on the temporal and aerodynamic aspects of nasal airflow segments …
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The acquisition of acoustic and aerodynamic patterns of coarticulation in second and heritage languages
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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A Phonetic Examination of C -to -V Place Assimilation
… examination of lexical stress effects on C-to-V coarticulation indicates that the degree of coarticulation is not significantly different in stressed and unstressed syllables. This provides a theoretical implication that lexical stress will not be a conditioning factor for C-to-V place …
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Modelling the effects of speech rate variation for automatic speech recognition
… as a centralisation effect and an increase in coarticulation. Centralisation means that the formant frequencies of vowels tend to shift towards the vowel space center while increased coarticulation denotes the tendency of the spectral features of a vowel to shift towards those of its phonemic …
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The effects of motor practice on coarticulatory interactions in the speech of children and adults
… examine the notion of a developmental trend of coarticulation in children by verifying whether or not speech production strategies as exhibited by coarticulatory interactions are influenced by a distributed practice schedule. Participants were three-year olds, eight-year olds, and adults who …
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Dynamics of F0 planning and production: contextual and rate effects on Thai tone gestures
… and its consequences for theories of coarticulation and speech production, in physical space and real time through the lens of two production experiments on contextual variation in the production of Thai tones. Experiment 1 presents the results of an acoustic investigation where the …
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An Integrated Framework for Face Modeling, Facial Motion Analysis and Synthesis
… same visual representation; (3) speech-to-facial-coarticulation modeling. The framework provides a guideline for methodically building a face modeling and animation system. The systematicness of the framework is reflected by the links among its components, whose details are presented. Based on …
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Formant Deflection Directions of the Voiced Alveolar Stop Consonant in Different Vowel Contexts
… perceived as /d/'s were analyzed to study the coarticulation between /d/ and different vowel contexts.
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Discovering Dynamic Visemes
… viseme in the sequence. Dynamic visemes model coarticulation and maintain the dynamics of the original speech, so simple blending at the concatenation boundaries ensures a smooth transition. The efficacy of dynamic visemes for computer animation is formally evaluated both objectively and …
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Tone classification of syllable -segmented Thai speech based on multilayer perceptron
… speech which incorporates the effects of tonal coarticulation, stress and intonation was developed. Automatic syllable segmentation, which performs the segmentation on the training and test utterances into syllable units, was also developed. The acoustical features including fundamental …
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A kinematic analysis of sign language
… duration decreased in sentence context due to coarticulation. There was evidence of finger joint and wrist velocity coordination, synchronicity and hand preshaping. Angular velocity maxima and minima indicated differentiation between handshapes. Minima in the wrists' tangential velocity …
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Inter- and Intra-Subject Variability: A Palatometric Study
… of articulation (i.e., place, manner, voicing, coarticulation) were considered. Significant findings for variability were found for place of articulation in the /i/ vowel context and for manner of articulation in the /ɑ/ vowel context. Also in the /a/ vowel context, significant findings were …
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Merging 20th Century Art Music and Pre-recorded Sound: 17 Pieces
… and differences of sets, and Natasha Barrett's coarticulation of sound-objects.
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Spontaneous nasalization: An articulatory investigation of glottal consonants in Thai
… process whereby a vowel is nasalized via coarticulation with a nearby nasal segment; when the language later drops the nasal segment, a nasal vowel remains. Spontaneous vowel nasalization is a rare, peculiar form of nasalization that emerges in contexts that lack an historical etymological …
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The evaluation of second language fluency and foreign accent
… [a] and [ɑ] resulted from the influences of coarticulation effects and transcription confusion. The findings suggested that segmental similarity is not the only factor in predicting L2 sound production. This thesis integrated studies combining perceptual ratings, acoustics and articulation to …
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