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The voicing contrast in Vietnamese English
Tranová, Lenka ; Skarnitzl, Radek (advisor) ; Tichý, Ondřej (referee)
This thesis deals with the voicing contrast in Vietnamese accented English. The theoretical part introduces the generally accepted phenomena of voicing contrast, and several theories aiming at generalizing the main tendencies in acquiring a second language. The final part of the theoretical background is devoted to Vietnamese and Vietnamese English where we addressed the initial consonants. The methodological section provides information about the informants, recording, and data processing prior to the analysis itself. Furthermore, graphs and tables illustrate the statistical calculations using ANOVA and Tukey's post-hoc tests that identify the aggregate and concrete relations among the measured units. The results of the analysis show that Vietnamese-accented English maintains comparable voicing contrast in its initial stressed plosives as a native English accent does. The average Voice Onset Times values of the lenis stops without prevoicing shows to be slightly higher, while the average values of voiced initial stops prove to be similar or close to similar those produced by American English (AmE) speakers, which we assign to the fact that pre-voicing in Vietnamese exhibits strikingly similar values. The values for fortis initial plosives showed to be higher due to such quality typical for Vietnamese...
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The voicing contrast in Vietnamese English
Tranová, Lenka ; Skarnitzl, Radek (advisor) ; Tichý, Ondřej (referee)
This thesis deals with the voicing contrast in Vietnamese-accented English. The theoretical part introduces the generally accepted phenomenon of voicing contrast and several theories aimed at generalization of the main tendencies in second language acquisition. The final part of the theoretical background addresses initial consonants in Vietnamese and Vietnamese English. The methodological section provides information about the informants, the recording, and data processing prior to the analysis itself. I also present graphs and tables illustrating the statistical calculations - using ANOVA and Tukey's post-hoc tests - that identify the relations among the measured units. The results of this analysis show that in its initial stressed plosives, Vietnamese-accented English maintains a voicing contrast similar to that of a native English accent. The average Voice Onset Time values of lenis stops without prevoicing are slightly higher than those produced by American English (AmE) speakers, while the average values of voiced initial stops prove to be fairly close to their AmE equivalents. This affinity is attributed to the fact that prevoicing in Vietnamese exhibits strikingly similar values to AmE. The values for fortis initial plosives are shown to be higher in VE than AmE, due to the fact that in...
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Rhythmic differences between Vietnamese English and the British standard
Slówik, Ondřej ; Volín, Jan (advisor) ; Klégr, Aleš (referee)
This thesis deals with rhythmic differences between Vietnamese English and the British Standard. As all the recorded speakers were originally from Northern Vietnam or lived there for an extensive period of time, it should be noted that the subject of analysis was in fact North Vietnamese English. The theoretical part describes the concept of rhythm in general and modern approaches to its analysing and measuring. Furthermore, the theoretical chapter describes the basics of phonetic characteristics of the Vietnamese language and the British standard of English. The last chapter of the theoretical part constitutes a bridge between theory and analysis as it explains selected features of Vietnamese English concerning mainly the realization of vowels and consonants. The next part is dedicated to methodology and it informs the reader about the criteria for selection of speakers and the means of gathering and processing material. At the end, a number of hypotheses regarding Vietnamese English are presented. In the analysis, values for rhythm metrics for Vietnamese English (%V, ΔV, ΔC, varcoV, varcoC, rPVI-V, rPVI-C, nPVI-V, nPVI-C) are calculated, compared to the rhythm metrics for British English and further evaluated in relation to gender, speakers and prosodic compactness. The results of the analysis...
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