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- 저자 : 오미라(Mira Oh) (검색결과 31 건)
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영어 유성 자음의 경음 차용에 대한 한국어 음운제약 효과
오미라 ( Oh Mira ) 대한언어학회 2017 언어학 Vol.25 No.2
English voiced stops are variably adapted as either Korean tense or lax stops only when they occur in the word-initial prevocalic position in English. I argue that native phonology and phonetic similarity jointly play a role in English voiced stop tensification. Overrepresentation of the tense-tense sequence observed in the Korean lexicon is at work in the adaptation of English voiced stops as the tense stops in Korean. To prove the effect of the preferred tense-tense sequence on the adaptation of English voiced stops into Korean, I conducted a survey experiment where the extent of tense adaptation was measured depending on whether the following consonant is [s] or [s`]. English voiced fricatives are not adapted as tense stops in Korean. That suggests that phonetic similarity between the source and the loan sounds is crucially taken into consideration in loanword adaptation.
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오미라(Oh, Mira) 한국언어학회 2020 언어 Vol.45 No.3
This study investigates the factors which condition the tonal patterns of the IP(Intonational Phrase)-final AP(Accentual Phrase) in Chonnam dialect of Korean. Four main results were found by conducting a production experiment with 25 Chonnam Korean speakers. First, the tonal melodies of IP-final AP in polar questions are variably realized in Chonnam dialect of Korean. Second, the types of questions influence most the types of boundary tones. Third, the AP-initial consonant is the stronger predictor for the types of boundary tones compared to lexical ending forms. Fourth, pitch valley is found before H% boundary tone. Based on the results, I propose that the AP tonal pattern in Chonnam dialect of Korean is T+H L+La rather than T+HLa.
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Oh Mira(오미라) 한국음성학회 2010 말소리와 음성과학 Vol.2 No.3
No systematic study has examined the relationship between acoustic variability and /w/-deletion in Korean. Most previous studies on /w/-deletion have described /w/-variants in categorical terms, i.e., /w/-deletion or a full glide (Silva 1991; Kang 1997; Yun 2005). These studies are based either on impressionistic judgements without a systematic acoustic analysis or on an exclusive examination of internal acoustic variability of /w/ such as F2, without examining the availability of external acoustic cues such as voice onset time (VOT) of a consonant. However, given the important influence of the adjacent sounds for segmental realizations, it is necessary to examine possible acoustic variability in the differentiation of /w/-variants. The present study aims to address this issue by evaluating the acoustic properties of /CwV/, including VOT and formant transitions. In the analysis, 432 tokens in word-initial position (216 /CwV/ words and 216 /CV/ words) were examined. The results indicated that /w/ exhibits four different variants. Firstly, /w/ is realized as a full glide. Such a variant is characterized by a VOT difference and significant differences in F1 and F2 at voicing onset compared with /CwV/ and /CV/. Secondly, /w/ can be maintained but coarticulated with the following vowel. Such a variant is demonstrated by differences in VOT and F2. Thirdly, /w/ is categorically deleted, which is indicated by the absence of any differences in VOT, F1, and F2. Fourthly, /w/ overlaps a consonant. The F2 difference without VOT difference is manifested in the variant. In contrast to VOT, F1, and F2 differences, pitch plays little role in determining /w/-variants in Korean. These findings suggest that allophones can be produced along a gradient continuum of acoustic cues, exhibiting sounds intermediate between the full realization of a given category and its deletion. Furthermore, each variant can be cued by a set of internal and external acoustic cues.
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전남어 화자의 서울어투 억양 동화에 관한 사회 음성학적 연구
오미라(Oh, Mira) 한국언어학회 2021 언어 Vol.46 No.4
This paper provides evidence for intonation accommodation by analyzing the production and perception of speakers from Jeonnam region in Korea. In the production experiment, I examined the f0 patterns of the Accentual Phrases(AP) that vary in syllable numbers and the AP-initial tone types produced by twenty-one speakers from Gwangju and seven from Seoul. Three results were found from the production experiment. First, the acoustic properties used by young Gwangju female speakers are the most similar to those used by Seoul speakers. Second, the degree of AP-final pitch rising and AP-initial pitch rising was found to be greater for Seoul speakers than for Gwangju speakers. Third, intonation accommodation was found to be more difficult for interrogatives than for statements. In the perception experiment, the stimulus materials taken from the production experiment were assessed using a seven-scale forced-choice categorization task by 38 raters. The results from the perception experiment are three-fold. First, the rate of intonation accommodation of the Seoul dialect by Gwangju speakers was higher in the order of young female Gwangju speakers>young male Gwangju speakers>old Gwangju speakers. Second, the AP-final pitch rising is most predictive of intonation accommodation. Third, the AP-initial tone can also influence the perception of intonation accommodation. Findings from this study shed light on the issues related to the development of intonation accommodation among dialects.
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오미라(Oh, Mira) 언어과학회 2016 언어과학연구 Vol.0 No.78
This study investigates how Korean learners of English (KLE) produce English front vowels. The production of eight female KLE was analyzed using Praat and VoiceSauce and was then compared with that of native English speakers. An acoustical analysis of English vowels reveals three findings. First, KLE produced English front vowels differently from native English speakers in the rate of vowel duration according to both the number of syllables and the voicing of the following consonant. Second, KEL neither differentiated between /i/ and /ɪ/, nor /ɛ/ and /æ/. Third, vowel shortening before a voiceless stop in Korean influences the higher rate of vowel shortening before a voiceless stop in English.
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A Perception-based Syntagmatic Account of Consonant Cluster Simplification in Korean
Mira Oh(오미라) 한국언어학회 2018 언어 Vol.43 No.1
This study aims to provide a perceptual account for consonant cluster simplification (CCS) in Korean verb stems. I investigate what motivates the differences between the invariable and variable types of CCS, and I argue that the disparity between the two types in Korean results from the amount of contrast in terms of the distinctive feature specifications between consonants within a cluster. I make five claims by investigating both types of CCS in Korean verb stems. First, CCS in Korean is motivated by the requirement that every segment be perceptually salient. Second, the two types of CCS are determined based on the perceptibility difference among the competing consonants within the cluster. Third, the perceptual account of CCS better explains“the effect of the following consonant”than syllable-based analysis. Fourth, the constraint ranking that utilizes perceptually motivated markedness and faithfulness constraints within the Optimality Theory framework can comprehensively account for the two types of CCS. Fifth, the proposed constraint ranking also explains how to produce truncata that are frequently used in fast speech or casual speech for the purpose of economy. In this study, I show that in contrast to previous studies of CCS in Korean in syllabic terms without reference to context where the consonant cluster appears, syntagmatic context needs to be taken into consideration to comprehensively understand CCS in Korean. This study has a general theoretical implication that phonetic perceptibility can directly influence patterns in a phonological process.
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