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 229 for “"vowels"”.
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On the spectral information content of vowels
This thesis explores the human perception of vowels in a consonant-vowel (CV) context by examining the data of two experiments. The first experi- ment, CV06-SWN, examines the effects of speech-weighted noise (SWN) on vowel perception. The vowels examined are /A/, /o/, /u/, /U/, /E/, /æ/, /3~/, and …
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An acoustic sociophonetic study of three London vowels
… of the acoustics of the three short vowels in the DRESS, TRAP and STRUT lexical sets (Wells 1982) in London. The vowels have been reported by a number of phoneticians and variationists to have shifted in particular directions in Received Pronunciatioin (RP) and London English during …
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Recognition of English vowels using top-down method
Many recognizers use bottom-up methods for recognizing each phoneme or feature, and use the cues and the context to find the most appropriate words or sentences. But humans recognize words not just through bottom-up processing, but also top-down. In many cases of listening, one can usually predict …
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Fricative Vowels in Changzhou Wu: An Acoustic and Articulatory Study
Fricative vowels have been recognized as sounds with both vowel-like and consonant-like features, highlighting their typological scarcity. Taking Changzhou Wu as a case study, this thesis investigates the phonetic and phonological aspects of fricative vowels, particularly coronal fricative vowels. …
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Auditory pathway responses to parametrized vowels in autism spectrum disorders
Autism spectrum disorder (ASD) is characterized by many behavioral symptoms, including delays in social and communicative development. A cluster of symptoms concentrate on speech and language development, especially manipulation of non-verbal information conveyed in prosody. It is largely unknown …
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Investigating the differing role of consonants and vowels in word processing
… there is an asymmetry between consonants and vowels in language processing, with consonants being more involved at the lexical level, and vowels serving as preferential cues for grammar and prosody. The privileged role of consonants during lexical access has been demonstrated in adults across …
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Children's Perception of Conversational and Clear American-English Vowels in Noise
… comprehension, no study has focused on whether vowels uttered in clear speech aid intelligibility for children listeners. In the present study, American-English (AE) speaking children repeated the AE vowels /ε, æ, ɑ, ʌ/ in the nonsense word /gəbVpə/ in phrases produced in conversational and …
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Cross-Language Perception of German Vowels by Speakers of American English
… on how the cross-language perception of German vowels by native speakers of North American English differs based on various levels of classroom instruction and experience in a German-speaking country. Of special interest is whether more advanced students and those with target country experience …
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Quantitative phonetic and frequency domain characterization of vocal blend for sung vowels
… choral backgrounds were collected. They sung vowels [i], [u], [el, [o], and [[alpha]] together on a D4 (293 Hz), transitioning from unblended to blended tones, and data were analyzed using frequency domain techniques. For a musical pitch, the presence of higher harmonics amplifies dissonant …
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Focusing and diffusion in 'Cape Flats English': a sociophonetic study of three vowels
This research contributes to the wider fields of sociophonetics and the social dialectology of English in South Africa. The study looks at three vowel sets; GOOSE, BATH and KIT taken from Wells (1982). The study was designed to identify and attempt to explain potential differences in pronunciation …
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The Perception and Production of Portuguese Mid-Vowels by Native Speakers of American English
… perceiving and producing the Portuguese mid-vowels {o} and {e}. The beginning learners were enrolled in their second semester of Portuguese and had rudimentary knowledge of Portuguese. The advanced learners had all lived in Brazil for nearly two years and were enrolled in a more advanced …
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The production of Arabic vowels by English L2 learners and heritage speakers of Arabic
Made available in DSpace on 2011-05-25T15:01:57Z (GMT). No. of bitstreams: 2 Saadah_Eman.pdf: 767898 bytes, checksum: aad04d7686a4362cc1fe5791d2fcc963 (MD5) license.txt: 4061 bytes, checksum: d86f1e2a4f872c40775d0c14a91b172f (MD5)
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A study of vowels /ɛ/ and /ɪ/ in African American English and standard American English
<p>This study examines the vowels /ɪ/ as in tin and /ɛ/ as in ten in African American English (AAE) and Standard American English (SAE) spoken in the Detroit, Michigan area. I first analyzed the acoustic properties of a number of speech samples to determine vowel quality and duration measurements. …
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When nasal is more than nasal: the oral articulation of nasal vowels in two dialects of French
… I expected to find evidence that all nasal vowels are produced with at least some change in lingual and labial articulatory configuration compared to their oral vowel counterparts in both dialects. By studying the position and movement of the tongue and lips during the production of target …
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Adaptive auditory-motor control of the time-varying formant trajectories in vowels and its patterns of generalization
… trained on the triphthong /iau/ to other vowels with different spatial and temporal characteristics in the same language. A broad but weak and decaying pattern of generalization was observed under the F1 perturbation; the strength of the generalization diminished with increasing …
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A variationist multilocality study of unstressed vowels and verbal -s marking in the peripheral dialect of east Suffolk
This thesis presents a variationist analysis of two linguistic variables among 72 speakers in three Suffolk communities. It is chiefly inspired by the Labovian sociolinguistic methodology, and the work of Trudgill (e.g. 1974, 1988) in another East Anglian locality, Norwich. It broadly speaking …
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An acoustic and perceptual analysis of vowels preceding final /-s/ deletion in the speech of Granada, Spain and Cartagena, Colombia
… been claimed that in this variety of Spanish, vowels preceding deletion of post-nuclear /s/ undergo an open-closed vowel alternation. As a result, this vocalic alternation may serve as a functional marker distinguishing singular from plural in nouns and person-number in certain verbal forms …
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The perception, production and the effect of explicit instruction in L2 English and Spanish vowels in foreign language (FL) adult learners
… and production link in the acquisition of vowels of an L2 in a foreign language context and does explicit classroom instruction aid adult learners in the development of perceptual and production skills? For that, it investigates the differences in the perception and production between the …
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The Production and Perception of Vowel Height and Duration
High vowels are generally shorter than low vowels: there is a positive correlation between F1 and duration in English and cross-linguistically (Heffner 1937; Elert 1964; Äimä, 1918). This paper argues that the cross-linguistic height/duration correlation might be explained perceptually: high vowels …
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