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        한국어 "ㅅ" 연장음에 대한 대학생의 지각 연구

        박진(제1저자) ( Jin Park ),전제표 ( Je Pyo Jun ),정인기(교신저자) ( In Kie Chung ) 서강대학교 언어정보연구소 2016 언어와 정보 사회 Vol.27 No.-

        This study aims to examine whether listeners perceive gradually-increasing durations of a Korean fricative /s/ categorically (i.e., ‘fluent’ vs. ‘abnormally disfluent or stuttered’) or continuously (i.e., gradient perception from fluent to stuttered). Gender differences are also investigated. Fifty participants (25 males and 25 females) have been asked to rate the duration of the /s/ in the word san ‘mountain’ produced by a normally fluent Korean speaker. The target word has been embedded in the middle of an experimental phrase, and the initial /s/ sound has been manipulated to create a range of prolonged sounds (i.e., 0 ms to 400 ms by 20-ms increments). The result suggests that listeners perceive the range of sounds continuously, rather than categorically, but this interpretation is not so definite. Also, a significant gender difference is found only for the sound of 265ms (i.e., a sound elongated by 60ms from the original, unaltered sound), which suggests that over all there is little gender difference in perception of prolonged sounds.

      • KCI등재

        ‘ㅅ’ 연장음에 대한 일반인과 언어재활사 간의 지각 비교

        박진(Jin Park),전제표(Je-Pyo Jun),정인기(Inkie Chung) 한국청각언어재활학회 2018 Audiology and Speech Research Vol.14 No.3

        Purpose: This study examines 1) whether two groups of Korean listeners (i.e., average adult listeners and speech-language pathologists) show any difference(s) in the minimal duration of the prolonged Korean fricative /s/ perceived as ‘abnormal’ and 2) whether the two groups perceive the prolonged sound ‘categorically’ or ‘continuously.’ Methods: Fifty participants (25 average adult listeners and 25 speech-language pathologists) have been asked to identify whether each version of the plain voiceless fricative /s/ in the word san ‘mountain’produced by a normally fluent Korean speaker and manipulated to create a range of prolonged sounds (i.e., from 0 ms to 380 ms by 20-ms increments) is normal (0) or abnormal (1), and to rate each version of the fricative based on a rating of normal to abnormal or stuttered) (1 to 100). Results: Results show that the minimal threshold for the prolonged sound perceived as ‘abnormal’ is 375 ms for average adult listeners and 355 ms for speech-language pathologists. In addition, both groups perceive the range of sounds more continuously than categorically. Also, a significant group difference exists in that speech-language pathologists rate disfluent sounds more strictly (or higher) than average adult listeners. Conclusion: Speech-language pathologists are more sensitive than average adult listeners. The implications of these results are further discussed.

      • KCI등재

        배경소음상황에 따른 성인 말더듬화자의 발화 관련 변수 비교

        박진(Park, Jin),오선영(Oh, Sunyoung),전제표(Jun, Je-Pyo),강진석(Kang, Jin Seok) 한국음성학회 2015 말소리와 음성과학 Vol.7 No.1

        This study was mainly aimed at investigating on the effects of background noises (i.e., white noise, multi-speaker conversational babble) on stuttering rate and other speech-related measures (i.e., articulation rate, speech effort). Nine Korean-speaking adults who stutter participated in the study. Each of the participants was asked to read a series of passages under each of four experimental conditions (i.e., typical solo reading (TR), choral reading (CR), reading under white noise presented (WR), reading with multi-speaker conversational babble presented (BR). Stuttering rate was computed based on a percentage of syllables stuttered (%SS) and articulation rate was also assessed as another speech-related measure under each of the experimental conditions. To examine the amount of physical effort needed to read, the speech effort was measured by using the 9-point Speech Effort Self Rating Scale originally employed by Ingham et al. (2006). Study results showed that there were no significant differences among each of the passage reading conditions in terms of stuttering rate, articulation rate, and speech effort. In conclusion, it can be argued that the two different types of background noises (i.e., white noise and multi-speaker conversational babble) are not different in the extent to which each of them enhances fluency of adults who stutter. Self ratings of speech effort may be also useful in measuring speech-related variables associated with vocal changes induced under each of the fluency enhancing conditions.

      • 승객감성을 고려한 도어트림 쿠션부의 안락감 향상 최적화 연구

        장경순(Jang, Kyung Soon),조의찬(Jo, Eui chan),정재혁(Cheong, Jae Hyuk),전제형(Jun, Jae Hyung),이운(Lee, Un Pyo),김민정(Kim, Min Jung),김의배(Kim, Eui Bae),이인석(Lee, In Seok),정명철(Jung, Myung Chu) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11

        This paper studies comfort improvement of door trim cushion parts for the emotional passengers - Subjective evaluation : Analysis of comfort preference - Quantitative evaluation :Manufacture evalution equiment and establish evalution standards through pressure analysis, Determination of load-displacement curves. - Standards establishment : Optimize function through the analysis of subjective and quantitative evaluation results. - Optimum structure : suggest optimum structure of cushion parts by using DFSS

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