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Audiol > Volume 11(3); 2015 > Article
Audiology 2015;11(3): 186-195.
Published online: July 31, 2015.
doi: http://dx.doi.org/10.21848/audiol.2015.11.3.186
어음명료지수의 측정과 적용
김건구1, 진인기2
1한림대학교 일반대학원 언어병리청각학과
2한림대학교 자연과학대학 언어청각학부, 청각언어연구소
Measurements and Applications of the Speech Intelligibility Index (SII)
Gun-Gu Kim1, In-Ki Jin2
1Department of Speech Pathology and Audiology, Graduate School, Hallym University, Chuncheon
2Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
Correspondence  In-Ki Jin ,Tel: (033) 248-2221, Fax: (033) 256-3420, Email: inkijin@hallym.ac.kr
Received: April 17, 2015; Revised: May 20, 2015   Accepted: June 24, 2015.  Published online: July 31, 2015.
ABSTRACT
Speech Intelligibility Index (SII) is a model that predicts speech intelligibility based on a person’s hearing thresholds and audible speech cues in given frequency bands. The SII is able to predict how loss of audibility due to hearing loss affects intelligibility of speech. Thus, the SII has been applied clinically in evaluation and fitting for hearing aids to quantify how much audibility is compensated by amplification. Although the SII known as Articulation Index was first introduced during the 20th century, calculation methods and aspects of the SII have been continually refined and developed for clinical use. This article provides (1) a brief history of the SII, (2) a view of components and calculation methods of the SII, (3) a review of applications for clinical use, and (4) a discussion of limitations and aspects that need to be considered for clinical applications in future.
Key Words: Articulation index, Speech intelligibility index (SII), Hearing aids, Band-audibility function (BAF), Band-importance function (BIF)
중심단어: 대역가청함수, 보청기, 어음명료지수, 조음지수, 주파수중요함수
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