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- 저자 : 구희산(Koo Hee San) (검색결과 27 건)
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구희산,Koo, Hee-San 한국음성학회 2006 음성과학 Vol.13 No.4
The aim of this study was to identify pronunciation difficulties of Korean learners of English in their articulation of English sibilants /dg, g, z/. Forty-five syllables were produced five times by twelve college students. Test scores were measured from the score board made by FluSpeak, a speech training software program, which was designed for English pronunciation practice and improvement. Results show that 1) the subjects had lower scores in producing /g/ than /dg/ and /z/ from all positions, and 2) subjects had lower scores in inter-vocalic position than in pre-vocalic position and in post-vocalic position when they produced /dg/, /g/, and /z/. The results suggest that on the whole Korean learners have much difficulty in producing /g/, and they also have more auditory and articulatory problems in intervocalic than in the other positions when they produce these sibilants.
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구희산,Koo, Hee-San 한국음성학회 2005 음성과학 Vol.12 No.2
The purpose, this experimental study was to identify pronunciation difficulties between male and female Korean speakers in their articulation of English vowels. Ten English mono-syllabic words were spoken six times by six male and six female college students. Formant frequencies were measured from sound spectrograms made by Pitch Works. Results show that Korean female speakers uttered English vowels more similar to those uttered by English native speakers than did Korean male speakers. While Korean male speakers could not readily distinguish between /i/ and /I/, /u/ and /v/, and /$\epsilon$/ and /ae/, respectively, Korean female speakers had difficulty only with /$\epsilon$/ and /ae/. The tentative results suggests that on the whole Korean speakers have difficulty in discriminating tense vowels from lax vowels, and they also have articulatory problems pronouncing low and back vowels such as /ae/. /a/ and /c/.
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구희산,Koo, Hee-San 한국음성학회 2001 음성과학 Vol.8 No.4
The purpose of this experimental study was to investigate characteristics of English vowels uttered by Korean regional dialect speakers. Ten English mono-syllabic words, and eight Korean mono-syllabic words, were uttered six times by nine female graduate students from three areas: Seoul, Yongnam and Honam. Formant frequencies were measured from sound spectrograms made by the PC Quirer. Results showed that Seoul dialect speakers uttered English vowels more similar to those uttered by English native speakers than did the other dialect speakers. In particular, Yongnam dialect speakers have articulatory problems pronouncing the back vowels(/u/, /$\upsilon$/, /c/), while Honam dialect speakers have problems pronouncing the front vowels(/i/. /I/, /$\varepsilon$/, /$\ae$/). Even though each group has different problems pronouncing English vowels, Korean speakers generally have difficulty in discriminating tense vowels(/i/ and /u/) from the lax vowels(/I/ and /$\upsilon$/). It appears that the width of Korean speakers' articulatory movements is comparatively narrower than those of native English speakers.
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구희산(Hee-San Koo) 중앙대학교 한국교육문제연구소 2012 한국교육문제연구 Vol.30 No.2
본 연구의 목적은 한국인 영어학습자들이 /l/과 /r/ 음소 발성의 능력을 평가하고자 하였다. 실험 자료는 영어 유음 /l/과 /r/이며, 이 두 가지 음소와 다섯 가지 모음 /a, e, i o, u/를 세 가지 음절 유형(CV, VC, VCV)에 맞추어 총 30개 무의미 음절을 임의로 구성하여 실험 자료로 활용하였다. 본 실험에 영어교육과에 재직 중인 학부학생들 중에서 여학생 9명이 참가하였다. 음소별로 발성 점수를 기준으로 살펴보면 /l/의 발성 평균 점수가 /r/보다 조금 더 높아 발성하기 더 쉬운 것으로 나타났지만 위치에 따라 차이가 났고, 무의미 음절을 사용한 실험에서 위치에 따른 /l/ 발성의 난이도는 VC에서 가장 발성하기 쉬웠으며, 다음으로 VCV, CV 순이었다. 이 연구 결과에 따라 영어 학습자의 유음 발음 문제를 파악할 수 있었고, 이 결과를 기초로 제한적이긴 하지만 영어 발음 지도 방법을 제시할 수 있을 것으로 본다. The aim of this study was to identify production ability of Korean learners of English in their articulation of English liquid /l, r/. Thirty non-sense syllables and six words were produced three times by nine undergraduate girl students. Test scores were measured from the score board made by FluSpeak, a speech training software program, which was designed for English pronunciation practice and improvement. Results show that 1) the subjects had higher scores in producing /l/ than /r/ in general and 2) subjects had lower scores in initial(pre-vocalic) position than in medial(inter-vocalic) position and in final(post-vocalic) position when they produced /l/. The results suggest that on the whole Korean learners have more articulatory problems in initial(pre-vocalic) position than in the other positions when they produce /l/ phoneme.
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구희산(Hee-San Koo) 한국음성학회 2008 음성과학 Vol.15 No.3
The aim of this study was to find how English vowels affect the pronunciation of English sibilants /?, ?, z/ by Korean learners of English. Fifteen nonsense syllables composed by five vowels /a, e, i, o, u/ were pronounced six times by twelve Korean learners of English. Test scores were measured from the scoreboard made by a speech training software program, which was designed for English pronunciation practice and improvement. Results show that 1) the subjects had the lowest scores in /a_a/ position, and 2) subjects had lower scores in the /i_i/ position than in /e_e/, /o_o/ and /u_u/ positions when they pronounced /?/, /?/, and /z/ in their respective inter-vocalic position. This study found that for the group studied Korean learners of English have more difficulty in pronouncing sibilants in /a_a/ and /i_i/ positions than in the other positions.
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영어학습자의 순음 /p, b, f, v/ 발성에 미치는 모음의 영향 연구
구희산(Koo Hee-San) 한국음성학회 2010 말소리와 음성과학 Vol.2 No.3
The purpose of this study was to find how English vowels /a, e, i, o, u/ affect the production of English labials /p, b, f, v/by Korean learners of English. Sixty syllables were composed by five vowels and four labials in the syllable types CV, VC, and VCV. The nonsense syllables were produced three times by nine subjects. The major results show that (1) in inter-vocalic position, the subjects had higher scores in producing /v/ composed with /a, e, o/ and /u/, while subjects had lower scores in producing /p/ with /i/ and /o/, (2) in post-vocalic position, the subjects had higher scores in producing /v/ and /f/ with /a, e/, and /o/, while subjects had lower scores in producing /b/ with /e/ and /i/, and (3) in pre-vocalic position, the subjects had higher scores in producing /v/ with /e, o, u/ and /f/ with /u/, while subjects had lower scores in producing /b/ with /e/, /i/ and /u/. The results suggest that on the whole, Korean learners of English have much difficulty in producing /p/ with /i/ in inter-vocalic condition and /b/ with /i, /e/ in pre-vocalic position.
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