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Audiol > Volume 5(1); 2009 > Article
Audiology 2009;5(1): 1-5.
Published online: December 31, 2009.
doi: http://doi.org/10.21848/audiol.2009.5.1.1
청각인지에 영향을 미치는 교실음향 변수
임덕환
한림대 언어청각학부, 청각언어연구소
Parameters of Classroom Acoustics in Auditory Perception
Dukhwan Lim
Division of Audiology & Speech Pathology, Audiology & Speech Pathology Research Institute, Hallym University, Chunchon, Korea
Correspondence  Dukhwan Lim ,Tel: (033) 248-2217, Fax: (02) 6280-9133, Email: dlim@hallym.ac.kr
Received: November 6, 2009;  Accepted: December 2, 2009.  Published online: December 31, 2009.
ABSTRACT
It has been known that the effects of acoustics parameters of the room on auditory perception were diverse and even critical in some population groups. Public regulation on classroom acoustics has emerged as one of the concerned issues in educating children and the hearing impaired. The purpose of this study was to review the effects of acoustic parameters, such as reverberation time, acoustic insulation, and acoustic absorption, on speech perception in classroom. An exemplary regulation suggested from ANSI (S12.60, 2002) and related assessment tools were analyzed as well with special reference to adapting appropriate guidelines to domestic environments. In conclusion, it seemed now imperative that the related authority should establish effective acoustic requirements and guidelines for schools since ample data showed that the young children with hearing problem were prone to be at risk of learning opportunities. The reviewed parameters were dominant physical variables of speech intelligibility in classroom acoustics and this analysis might help to resolve issues on implementing acoustic regulation on classroom acoustics in the future.
Key Words: Classroom acoustics·Reverberation time·Absorption coefficient·Transmission loss·Speech perception.
중심단어: 교실음향· 반향시간· 흡음지수· 차단지수· 언어인지.
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