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Audiol > Volume 3(2); 2007 > Article
Audiology 2007;3(2): 154-157.
Published online: December 31, 2007.
doi: http://doi.org/10.21848/audiol.2007.3.2.154
잡음대역과 SNR 변화조건에서 Binaural Masking Level Difference가 “곰/공”변별에 미치는 효과 분석
구성민1, 김은옥2, 정두환3, 임덕환4
1한림대학교 대학원 청각학과
2중앙대학교 교양학부
3복음보청기
4한림대학교 언어청각학부 청각학과, 청각언어연구소
Effects of Binaural Masking Level Difference on Discrimination “Gom” and “Gong” Under Various Filtered Noises and SNRs
Sungmin Koo1, Eunok Kim2, Doohwan Chung3, Dukhwan Lim4
1Graduate School, Hallym University, Chuncheon, Korea
2Division of General Studies, Choongang University, Seoul, Korea
3Bokeum Hearing Aids, Seoul, Korea
4Section of Audiology, Audiology & Speech Pathology Research Institute, Hallym University, Chuncheon, Korea
Correspondence  Dukhwan Lim ,Tel: (033) 248-2217, Fax: (02) 6280-9133, Email: dlim@hallym.ac.kr
Received: June 30, 2007;  Accepted: October 26, 2007.  Published online: December 31, 2007.
ABSTRACT
The purpose of this study was to investigate the effects of filtered noises in discriminating “Gom /Gong” under the given SNR conditions and to identify the contributions from BMLD with various phase conditions trough the revised analysis on the current data set. The results showed that the effects of the low pass filtered noise at 1 kHz cutoff frequency on word discrimination was statistically significant at the SNR level of -10 dB (paired-t test, df=9, t=2.168, 1-tailed, p<0.05). Further studies should focus on detailed mechanisms of filtered noises and BMLD in word discrimination to provide useful information in developing speech signal processing of assistive listening devices.
Key Words: BMLD·Filtered noise·SNR.
중심단어: BMLD· 대역소음· 신호대잡음비.
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Effects of Noise Parameters on Discriminating “Gom” and “Gong” Under Binaural Condition  2006 June;2(1)
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