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경수 1번 손상 장애인에게 적용한 보조공학(컴퓨터 및 휠체어) 서비스 사례
임성은(S. E. Lim),임명준(M. J. Lim) 한국재활복지공학회 2011 한국재활복지공학회 학술대회논문집 Vol.2011 No.11
본 사례연구에서는 경수 1번 손상 장애인에게 적용한 보조공학 서비스 사례에 대하여 보고하고자 한다. 대상 장애인에게 보조공학 서비스 중 컴퓨터 적용 및 휠체어 접근을 실시하였다. 그 결과 컴퓨터를 사용에 학업을 지속할 수 있었고, 휠체어를 사용하여 가족과 외출이 가능하게 되었다.
척수성 근위축증 장애인의 컴퓨터 접근을 통한 의사소통 적용 사례
임성은(S. E. Lim),임명준(M. J. Lim),김종배(J. B. Kim) 한국재활복지공학회 2010 한국재활복지공학회 학술대회논문집 Vol.2010 No.11
본 사례연구에서는 척수성 근위축증이 있는 대상자에게 음성합성소프트웨어를 적용하였다. 병변으로 인하여 타인과의 의사소통에 많은 제약을 지니고 있었던 대상자는 보조공학의 적용으로 대중 앞에서 자신의 의견을 스스로 발표를 할 수 있게 되었다.
잠금증후군(locked-in syndrome) 장애인에게 적용한 보완대체의사소통 사례
임명준(M. J. Lim),임성은(S. E. Lim),김경명(K. M. Kim) 한국재활복지공학회 2010 한국재활복지공학회 학술대회논문집 Vol.2010 No.11
본 사례연구에서는 뇌경색으로 인해 잠금증후군을 가지게 되어 의사소통이 불가능한 대상자에게 보완대체의사소통을 적용하였다. 맞춤형 제작된 스위치와 보완대체의사소통 기기를 이용하여 보완대체의사소통 적용 결과, 대상지는 일상생활에 필요한 12개의 메시지를 자발적으로 말할 수 있었다.
표화영,심현섭,송윤경,윤영선,이은경,임성은,하현령,최홍식 한국음성과학회 2002 음성과학 Vol.9 No.2
Our present study was performed to investigate acoustically the Korean normal adults'; voices, with enough large number of subjects to be reliable. 120 Korean normal adults (60 males and 60 females) of the age of 20 to 39 years produced sustained three vowels, /a/, /i/, and /u/ and read a part of 'Taking a Walk' paragraph, and by analyzing them acoustically with MDVP of CSL, we could get the fundamental frequency (F_0), jitter, shimmer and NHR of sustained vowels; speaking fundamental frequency (SF_0), highest speaking frequency (SFhi), lowest speaking frequency (SFIo) of continuous speech. As results, on the average, male voices showed 118.1~122.6 ㎐ in F_0, 0.467~0.659% in jitter, 1.538~2.674% in shimmer, 0.117~0.133 in NHR, 120.8 ㎐ in SF_0, 183.2 ㎐ in SFhi, 82.6 ㎐ in SFIo. And, female voices showed 211.6~220.3 ㎐ in F0, 0.678~0.935% in jitter, 1.478~2.582% in shimmer, 0.098~0.114 in NHR, 217.1 ㎐ in SF_0, 340.9 ㎐ in SFhi, 136.0 ㎐ in SFIo. Among the 7 parameters, every parameters except shimmer showed the significant difference between male and female voices. And, when we compared the three vowels, they showed significant differences one another in shimmer and NHR of both genders, but not in F_0 of males and jitter of females.
동일 후적자가 산출하는 기관식도 발성(PROVOX 발성)과 식도 발성에 대한 음향학적 및 공기역학적 특성 비교
표화영,최홍식,임성은,최성희 한국음성과학회 1999 음성과학 Vol.5 No.1
Our experimental subject was a laryngectomee who had undergone total laryngectomy with PROVOX®insertion, and learned esophageal speech after the surgery, so he could produce both PROVOX® voice and esophageal voice. With this subject's production of PROVOX® and esophageal voice, we are to compare the acoustic and aerodynamic characteristics of the two voices, under the same physical conditions of the same person. As a result, the fundamental frequency of esophageal voice was 137.2 Hz and that of PROVOX® was 97.5 Hz. PROVOX® voice showed lower jitter, shimmer and NHR than esophageal voice, which means that PROVOX® voice showed better voice quality than esophageal voice. In spectrographic analysis, the formation of formants and pseudoformants were more distinct in esophageal voice and several temporal aspects of acoutic features such as VOT and closure duration were more similar with normal voice in PROVOX voice. During the sentence utterance, esophageal voice showed longer pause or silence duration than PROVOX® voice. Maximum phonation time andmean flow rate of PROVOX® voice were much longer and larger than esophageal voice, but mean and range of sound pressure level, subglottic pressure and voice efficiency were similar in the two voice. Glottal resistance of esophageal voice was much larger than PROVOX® voice which showed still larger glottal resistance than normal voice. Keywords : PROVOX® voice, esophageal voice, aerodynamics, laryngectiomee
음성 Sample의 길이 변화에 따른 MDVP 측정치와 GRBAS 척도간의 상관관계 변화 비교
표화영,심현섭,임성은 한국음성과학회 2000 음성과학 Vol.7 No.2
the present study was performed to find efficient and useful length of voice sample for MDVP analysis, by investigating the correlation between perceptual GRBAS scales and objective MDVP measurements, with the five different lengths of voices of 20 patients with vocal vocal polyp: 0.5, 1.0, 1.5, 2.0, 2.5 seconds. The results ae following: (1) 1.5-second sample of MDVP showed the highest correlation between the perceptual judgement and objective measurement, and 1.0-second sample showed the lowest. The difference between the two samples was found in the number of the statitically significant correlated pairs of MDVP parameter-GRBAS scale. (2) The two extreme edges of the lengths, 0.5-second and 2.5 second showed no statistically significant difference. Keywords : MDVP, GRBAS, Correlation, Length of Sample