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Audiol > Volume 5(1); 2009 > Article
Audiology 2009;5(1): 60-70.
Published online: December 31, 2009.
doi: http://dx.doi.org/10.21848/audiol.2009.5.1.60
인공와우와 보청기 양이착용이 K-HINT 수행도에 미치는 혜택
허지혜1,2, 이재희3
1한림국제대학원대학교 청각학과전공
2연대세학교 연세의료원 이비인후과학교실
3한림국제대학원대학교 청각학과
Binaural Benefit on K-HINT Score for Adults who Use CI and HA
Ji Hye Heo1,2, Jae Hee Lee3
1Graduate Program in Department of Audiology, Hallym Institute of Advanced International Studies, Seoul, Korea
2Department of Otolaryngology, Yonsei University College of Medicine, Seoul, Korea
3Department of Audiology, Hallym Institute of Advanced International Studies, Seoul, Korea
Correspondence  Jae Hee Lee ,Tel: (02) 2051-4952, Fax: (02) 3453-6618, Email: leejaehee@hallym.ac.kr
Received: October 28, 2009;  Accepted: November 24, 2009.  Published online: December 31, 2009.
ABSTRACT
The present study examined performance of 10 normal-hearing listeners (control group) and 10 cochlear implant (CI) users who had CI on one ear and HA on the opposite ear (CI+HA) in order to investigate the amount of binaural benefit on K-HINT (Korea-Hearing in Noise threshold) test. Additionally, a K-SSQ (SSQ translated in Korean) survey was also conducted to all CI participants in order to evaluate their subjective benefit from the use of CI+HA. Results of the K-HINT test for YNH and CI participants were as follows. For YHN listeners, -7.2 dB SNR, on average, was required to identify K-HINT sentences by 50%. For CI users, 15.32 dB SNR was needed for 50% of K-HINT sentence identification during CI-only listening condition whereas 11.82 dB SNR was required for 50% of K-HINT sentence identification during CI+HA listening condition. CI users’ binaural benefits calculated from K-HINT results were 4.6 dB signal-to-noise ratio (SNR), 3.4 dB SNR, and 3.8 dB SNR for head shadow effect, binaural squelch, binaural summation effects, respectively. Results of K-SSQ survey suggested that the degree of satisfaction was around 62%, regardless of three sections (speech, spatial and quality) in K-SSQ. CI users recieved a significant benefit from binaural use (CI+HA), regardless of the direction of noise.
Key Words: Binaural benefit·CI+HA·K-HINT·K-SSQ.
중심단어: 양이이득· CI+HA· K-HINT· K-SSQ.
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