• 음성과학
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• 제13권2호
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• pp.107-120
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• 2006

The main purpose of this study is to investigate whether Korean learners can use the vowel duration cue to distinguish voicing contrasts in word-final consonants in English. Given that the Korean group's performance on the auditory task was much better than their performance on the identification task or on the production task, we conclude that the AX discrimination task makes contact with a different layer of perception. In particular, the AX discrimination task can be done at the auditory or phonetic level, where differences in vowel length are still encoded in the representation. In contrast, the identification and production tasks are probing the mental representation of vowel length and voicing. It was also founded that Korean speakers stored neither vowel length nor voicing in memorized representations and did not internalize the lengthening of the preceding vowel as a rule to differentiate the voicing contrasts of final consonants, even though they were able to detect the acoustic differences in vowel duration provided that they were tested in an appropriate task.

• 한국콘텐츠학회논문지
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• 제15권2호
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• pp.542-551
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• 2015

본 연구에서는 한국 학생들이 영어 모음들을 어떻게 인지하고 발화하는지 알아보기 위해서, 영어 전공과목을 수강하는 42명의 대학생들을 대상으로 11개의 영어 목표 모음 /i, ɪ, eɪ, ${\varepsilon}$, ${\ae}$, ${\alpha}$, ɔ, oʊ, ʊ, u, ʌ/이 들어간 영어 단어를 가지고 인지와 발화테스트를 사전과 사후 두 차례 실시하였다. 통제집단에 대해서는 영어음성학 전공수업을 통한 이론학습만을 진행하였고, 실험집단에 대해서는 이론학습과 더불어 인지와 발화 훈련을 4주간 실시하였다. 구체적인 연구의 목적은 사전테스트를 실시한 이후 4주간의 훈련과 연습을 통해 사후 인지와 발화 정확도가 얼마나 향상되었는지를 알아보는 것과 두 집단이 보인 인지와 발화의 상관관계가 사전과 사후테스트에서 어떠한지를 살펴보는 것이다. 테스트 결과 사전테스트에서는 통제와 실험 두 집단이 인지와 발화에서 강한 상관성을 보인 반면, 사후테스트에서는 두 집단 모두 인지와 발화 간에 상관성이 없는 것으로 나타났다. 이와 같은 결과는 두 집단의 사후 인지와 발화 정확도의 변화가 주된 요인인 것으로 나타났다. 통제집단은 인지에서 사후 변동 폭이 컸던 반면, 실험집단은 발화의 변동 폭이 더 컸고, 이러한 사후 인지와 발화의 변동이 상관관계에도 영향을 주었다. 이와 같은 실험 결과를 바탕으로 교육적인 함축점도 논의되었다.

• 말소리와 음성과학
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• 제5권4호
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• pp.145-155
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• 2013

This study investigated the articulatory characteristics of Korean singleton and geminate sonorants in the word-medial position, effects of the duration of the sonorant consonant and the preceding vowel on perception, and the difference between native Korean speakers and foreign learners of Korean in perceiving the singleton and geminate consonant contrast. The Korean sonorant consonants(/m, n, l/) are examined from the VCCV, VCV sequences through speech production and perception experiments. The results suggest that the duration of the sonorant consonant is the most important factor for native Korean speakers to recognize whether sonorants are overlapped, and the duration of preceding vowel and other factors affect the recognition of singleton/geminate consonant contrast if the duration is not obvious. A perception experiment showed Chinese Korean language learners did not clearly distinguish singleton consonants from geminate consonants. The results of this study provide basic data for recognition of singleton/geminate consonant contrast in word-medial of Korean language, and can be utilized for teaching Korean pronunciation as a foreign language.

• 말소리와 음성과학
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• 제9권2호
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• pp.53-59
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• 2017

The present study examined if individual listeners' perceptual variations were associated with their cognitive characteristics indexed by the Autistic Spectrum Quotient (AQ). This study first investigated the perception of the lexical pitch accent contrast in the Kyungsang Korean currently undergoing a sound change, and then tested if listeners' perceptual variations were correlated with their AQ scores. Eighteen Kyungsang listeners in their 20s participated in the perception experiment where they identified two contrastive accent words for auditory stimuli systematically varying F0 scaling and timing properties; the participants then completed the AQ questionnaire. In the results, the acoustic parameters reporting reduced phonetic differences across accent contrasts for younger Kyungsang generation played a reliable role in perceiving the HH word from HL, suggesting the discrepancy between the perception and the production in the context of sound change. This study also observed that individuals' perceptual variations were negatively correlated with their AQ sub scores. The present findings suggested that the sound change might appear differently between production and perception with a different time course, and deviant percepts could be explained by individuals' cognitive measure.

• 대한음성학회지:말소리
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• 제55권
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• pp.15-31
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• 2005

This study tests the hypothesis that the voiced-voiceless distinction is influenced by the relationship between acoustics and perception. Production and perception tests are conducted with temporal cues in different environments(CV, VCV, VC). The result showed that acoustic cues indicating significant difference between voiceless/voiced plosives do not behave just as do in perception. The result also showed that there existed an asymmetry between acoustics and perception.