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121
How Nosy Are You?: An Acoustic Analysis of Brazilian Portuguese Nasal Vowels by Native Speakers and Second Language Learners
Abstract: ABSTRACT Although it is acknowledged that Portuguese has a phonemic contrast between oral and nasal vowels, few acoustic studies examine their acoustic traits and differences. Some of these studies include Kelm (1989), which focuses on the difference between oral and nasal /a/ in southern Brazil, Gigliotti de Sousa (1994), which investigates nasal and oral monophthongs in southern Brazil, and Moraes et al. (2002) gives an acoustic description of oral vowels from various regions of Brazil. The present study contributes to the investigation of vowels in Portuguese with an acoustic study of oral and nasal vowels in 6 speakers from various regions of Brazil. In addition, it examines the acoustic realization of oral and nasal vowels in 4 L1 speakers of Spanish learning Portuguese as an L3, on which there are no previous studies. The main objectives are (i) to compare articulatory differences between oral and nasal vowels, such as height, advancement, and duration and (ii) to examine whether L2 Portuguese speakers are able to contrast between oral and nasal vowels in Portuguese. Data was analyzed using Praat (Boesrma and Weenink 2012). Results for vowel duration reveal a significant effect for type of vowel (oral or nasal) for all cases except /a/. The difference between oral and nasal vowels was mediated by the L1 only for /i/. There was also a significantly longer duration within both L1 groups for nasal /i/ when compared to oral /i/. Because the production of nasal vowels includes velic lowering (Kelm 1989), it is expected that nasal vowels differ in height from oral vowels. Analysis of formant frequencies showed a significant height difference for nasal /a/, but not the other vowels examined. Anti-resonance frequencies showed high amounts of variation, which could be due to the small sample size or individual differences in vocal tract size. There were no significant differences due to L1 for nasal murmurs, formants, or anti-resonances, which suggests that the L1 Spanish participants are at a level of competence which allows for inhibition of their L1 and near-native production of vowels in a typologically related language. ; A Thesis submitted to the Department of Modern Languages and Linguistics in partial fulfillment of the requirements for the degree of Master of Arts. ; Summer Semester, 2012. ; June 11, 2012. ; Acquisition of phonology, Linguistics, Phonetics, Phonology, Portuguese, Spanish ; Includes bibliographical references. ; Carolina González, Professor Directing Thesis; Michael Leeser, Committee Member; Gretchen Sunderman, Committee Member.
Keyword: Languages; Linguistics; Modern
URL: http://purl.flvc.org/fsu/fd/FSU_migr_etd-4706
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122
Native and Non-Native Processing of Spanish SE in a Self-Paced Reading Task
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123
When More Is Less: The Effect of a Third Language on a Second Language
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124
Spanish Stop-Rhotic Sequences in Spanish-Basque Bilinguals and Second Language Learners: An Acoustic Study
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125
The Effects of Feedback Type on Classroom Second Language Learning
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126
The Role of Explicit Information and Individual Differences in Processing Russian Sentences
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127
Processing Semantic and Grammatical Gender Agreement in L2 Spanish: A Self-Paced Reading Study
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128
Processing Strategies by Beginning L2 Learners of English and Spanish: A Crosslinguistic Study
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