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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

Lowering of high vowels by French immersion students in Canada

Vickerman, Alison 06 1900 (has links)
While much research has been dedicated to studying the speech of French immersion students, relatively little is known about their sociolinguistic competence, particularly in the area of phonetics. This study aims to determine the extent to which a group of French immersion students in Ontario, Canada display the native Canadian French phenomenon of lowering the high vowel /i/ to its lax allophone // in the obligatory context of a stressed syllable closed by any consonant other than /v, z, / or //. Results indicate that the majority of the students do not employ the lax vowel, and those students who demonstrate some degree of vowel lowering apply the rule inconsistently. No strong correlation between social or linguistic factors is apparent in the application of the rule, suggesting that more explicit teaching of this phenomenon is necessary in order to make students aware of these kinds of native Canadian French speaker variations.
62

Hur finskspråkiga uppfattar svenskans vokaler : en studie i kontrastiv fonetik med naturligt och syntetiskt tal / : Contrastive studies in the perception of the vowel sounds of Swedish by speakers of Finnish

Määttä, Taisto January 1983 (has links)
The study involves tests on the perception by speakers of Finnish of vowel sounds in natural speech in four important varieties of standard Swedish and as produced by an OVE III synthesizer.The contrastive analysis takes the form of experiments to reveal the divisions of the vowel space in Swedish and Finnish. Perceptually optimal areas and the diffuse zones in the vowel space are contrasted. On the basis of these tests predictions are made concerning second language perceptual problems.The contrastive relations of the vowel sounds in Swedish and Finnish are further illuminated by perceptual tests to study the inherent tendency of speakers of Finnish to confuse certain Swedish vowels. The distribution of the phonemic reactions of speakers of Finnish not knowing Swedish are taken as material for an error analysis relevant to the time of starting to learn Swedish. A number of phonemically long vowel sounds were discovered to cause problems of identification for Finnish listeners. These are / y:/, /in:/, /e:/, / e :/, /#:/, and /o:/. A comparison of the predictions and actual confusions shows a high degree of correlation.Finnish vowel harmony was found to be a factor influencing the responses of Finns to Swedish vowels. The responses to combinations of vowels not complying with the vowel harmony rules contained an increased proportion of confusions leading to harmony-compatible or neutral vowels. Also the vowel qualities which were in an intermediate position in the vowel space in relation to the Finnish vowels tended to be influenced by assimilation or sequential contrast.The perceptual interference properties of the mother tongue in the perception of the vowel qualities as illuminated by the results of the perceptual test are discussed.Certain didactic conclusions are drawn concerning the problems experienced by speakers of Finnish in the identification and also the production of the Swedish vowels. Gestures of lip position and its contrastive perceptual effects are noted to be of especial importance in the learning of the vowel qualities of Swedish by Finns. / digitalisering@umu
63

Local Sociophonetic Knowledge in Speech Perception

January 2011 (has links)
Sociophonetic studies of speech perception have demonstrated that the social identity which listeners attribute to a speaker can lead to predictable biases in the way speech sounds produced by that speaker are linguistically categorized (e.g., Strand & Johnson 1996; Niedzielski 1999; Hay, Warren & Drager 2006). This has been observed where listeners use available social information about a speaker to resolve lexical ambiguity. However, less is known about the role of sociophonetic knowledge in speech perception when listeners are not faced with global linguistic ambiguity. Drawing on Strand's (2000) study of the processing effects of gender typicality, this dissertation investigates whether sociophonetic knowledge can facilitate or inhibit unambiguous spoken word recognition. Based on a survey of sociophonetic variation in the Houston metropolitan area, predictions are formulated for the processing of words containing four vowels: /ei/ and /[varepsilon]/ in the speech of older and younger Anglos, and /α/ and /Λ/ in the speech of young Anglos and young African-Americans. Houston listeners identified words containing variants of these vowels in a congruent condition and in an incongruent condition. In the congruent condition the combination of speaker identity and vowel variant was designed to match the listener's knowledge of local language variation. In the incongruent condition, it was designed to contradict it. A congruency effect was found for some but not all vowels. The results indicate that social information about a speaker can also affect speech perception in the absence of lexical ambiguity, but only where words are at least temporarily ambiguous. Where there is no linguistic ambiguity at all, perception can be unaffected by sociophonetic knowledge. These results are discussed in the context of Luce, McLennan & Charles-Luce's (2003) time course hypothesis and in the context of exemplar-based models of sociophonetic knowledge (Johnson 1997, Pierrehumbert 2001).
64

Measuring phonetic convergence : segmental and suprasegmental speech adaptations during native and non-native talker interactions

Rao, Gayatree Nandan 10 February 2014 (has links)
Phonetic convergence (PC) is speech specific accommodation characterized by an increase in similarity in a dyad’s speech patterns due to an interaction. Previous research has demonstrated that PC occurs in dyads during various interactive tasks (e.g. map completion and picture matching) and in cross-linguistic conditions (e.g. dyads who speak the same or different native language) (Pardo, 2006; Kim et al., 2011). Studies suggest that speakers who are closer in linguistic distance (i.e. share the same native language) are more likely to converge than speakers who are far apart (i.e. speak different native languages) (Kim et al, 2011). However, Interdialectal conditions where speakers use different national dialects of the same language have been studied to a far lesser extent (Babel, 2010). Similarly, studies have examined both segmental and suprasegmental features that are susceptible to PC but rhythm has not been studied extensively (Krivokapic, 2013; Rao et al., 2011). Though initial studies postulated that PC is the result of either automatic or social processes, more current research suggests that a combination of both kinds of processes may be better able to account for PC (Goldinger, 1997; Shepard et al., 2001; Babel, 2009a). The current dissertation uses novel measures such as Interlocutor Similarity and EMS + centroid to implicate global properties of vowels and rhythm respectively as acoustic correlates of PC. Moreover, it finds that speakers showed both convergence and divergence in vowels and rhythm as moderated by their language background. Close interactions between native speakers of American English (AE) resulted in convergence whereas interdialectal interactions (between AE and Indian English speakers) and mixed language interactions (between native and non-native speakers of AE who are native speakers of SP) resulted in both convergence and divergence. The results from this study may shed light on how speakers attenuate the highly variable nature of speech by adapting speech patterns to aid intelligibility and information sharing (Shepard et al., 2001) and that this attenuation is moderated by social demands such as identity and cultural distinctiveness. / text
65

Weight and feet in Québécois

Bosworth, Yulia 16 June 2011 (has links)
This dissertation is a proposal for foot structure in Québécois that uniformly accounts for high vowel distribution with respect to tenseness, devoicing and deletion within a single prosodic framework. The complementary distribution of tenseness in the final syllable and the variable realizations in the non-final syllable are shown to be regulated by the proposed foot structure. A grammatical, sonority-based surface weight distinction is assumed for vowels: tense high vowels are associated to a full mora µ, along with non-high vowels, while lax high vowels are associated to a hypomora λ, a weight value less than µ. This grammatical weight is regulated at the level of the minimally monomoraic foot. The final, Head Foot is necessarily monosyllabic. Thus, a final hypomoraic rime is quantitatively insufficient to host a foot projection, resulting in a monomoraic, tense vowel in an open syllable. The foot expands to include an adjacent syllable in words consisting of more than two syllables, following the Trochaic Markedness Hierarchy, based on the following three principles, in the order of priority: 1) quantitative minimum: light and heavy rimes are preferred to superlight (λ) rimes, 2) quantitative evenness: even trochees are preferred to uneven trochees, and 3) quantitative dominance: the left branch that is heavier than the right branch is preferred to the left branch that is lighter. A form like /kamizᴐl/ surfaces with a monomoraic, tense vowel in the left branch of the trochee, (ska. wmi)(szᴐl), given that an even foot (L L) is preferred to an uneven foot with a hypomoraic branch, (L SL). The trochaic instantiation (H) is also better-formed than (L SL), preferring deletion to a hypomoraic rime: (kam)(zᴐl). In the Optimality-theoretic analysis, variation is modeled via the mechanism of a Floating Constraint (Reynolds 1994): a constraint whose ranking status can be varied with respect to a set range of a fixed ranking of constraints, within a single grammar. The variation in question is shown to be largely a function of the floating status of the constraint regulating the grammatical weight association of vowels, (Son-Weight), and its relative ranking with respect to the Trochaic Markedness constraints. / text
66

Six-year-olds' phonological and orthographic representations of vowels : a study of 1st grade Québec-French children

Caravolas, Markéta. January 1996 (has links)
Three studies were conducted in which Quebec French, first grade children's ability to categorize vowels was examined. The children were tested on several aspects of vowel phoneme representation before they had any literacy skills, at the beginning of the school year, and again sis months later, after they had learned all of the spelling-sound correspondences for vowels. In Study 1, the focus was on children's phonemic and orthographic representation of nasal vowels. Performance on an AXB categorization task revealed that six-year-olds have considerable difficulty in discriminating the nasal feature on minimal and near-minimal oral-nasal vowel pairs. This ability did not improve after six months of schooling. In contrast to their performance on AXB, these same children performed very well on nasal vowel spellings. These results suggest that perceptually-based categorization ability and the ability to represent nasal vowels in spelling develop independently of each other. Study 2 examined children's categorization of self-generated productions of front-unrounded, nasal, and, back-nonhigh vowels. The influence of a number of variables on vocalic representation, such as articulatory complexity, spectral proximity, and syllable structure, was also examined. The children's performance on this explicit task varied as a function of the vowel set. Specifically, whereas articulatory complexity did not have a negative effect on categorization ability, spectral proximity of vowels did appear to hinder performance; syllable structure negatively affected oral but not nasal vowel categorization performance. Schooling, and exposure to literacy evidently had a strong impact on this type of phoneme categorization/representation ability as children's overall performance improved significantly from the first to the second testing period. In Study 3, children's ability to categorize vowel allophones which were spoken in two dialects was examined. Again, performance varied by the typ
67

Lowering of high vowels by French immersion students in Canada

Vickerman, Alison Unknown Date
No description available.
68

The development of the back vowel before [a voiced, retroflex, alveolar continuant] in early modern English with allied evidence from selected Shakespearean and Dryden rhymes

Valk, Cynthia Zuvekas January 1980 (has links)
There is no abstract available for this dissertation.
69

Vowel recognition in continuous speech /

Stam, Darrell C. January 1900 (has links)
Thesis (M.S.)--Rochester Institute of Technology, 1989. / Includes bibliographical references (leaves 73-75).
70

Vowel recognition using Kohonen's self-organizing feature maps /

Sundaram, Anand R. K. January 1991 (has links)
Thesis (M.S.)--Rochester Institute of Technology, 1991. / Typescript. Includes bibliographical references.

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