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Audiol > Volume 6(1); 2010 > Article
Audiology 2010;6(1): 19-24.
Published online: June 30, 2010.
doi: http://doi.org/10.21848/audiol.2010.6.1.19
화자변수가 건청성인의 어음청각검사 인지도에 미치는 영향
진인기1, 이재희2
1콜로라도 주립대학-보울더, 언어청각학과
2한림국제대학원대학교 청각학과
Effects of Talker Variability on Speech Recognition of Normal-Hearing Listeners for Korean Speech Audiometry
In-Ki Jin1, Jae-Hee Lee2
1Department of Speech Language And Hearing Sciences, University of Colorado at Boulder, Colorado, USA
2Department of Audiology, Hallym Institute of Advanced International Studies, Seoul, Korea
Correspondence  Jae-Hee Lee ,Tel: (02) 3453-9333, Fax: (02) 3453-6618, Email: leejaehee@hallym.ac.kr
Received: April 30, 2010; Revised: May 31, 2010   Accepted: June 7, 2010.  Published online: June 30, 2010.
The purpose of this study was to examine effects of talker variability manipulated by the number of target talkers (two- versus multitalker) on the speech recognition results of Korean Speech Audiometry. Korean Speech Audiometry (KSA, www.kops.co.kr) included three types of the speech test materials (one-, two-syllable words, and sentences), and was recorded digitally in CDs by either a male or female talker. Given that some researchers have reported a significant effect of talker variability on speech recognition accuracy, we recorded all the speech materials in CDs by 20 talkers (10 male and 10 female). The effect of talker variability was then determined by comparing speech recognition performances of 5 young normal-hearing listeners by two-talker (in KSA CD) versus 20-talker conditions from -5 to 40 dB HL in 5 dB steps. The results showed that speech recognition accuracy of young normal-hearing listeners did not significantly differ in conditions for each of the three speech materials at each presentation level. This indicated important clinical implications of CD materials in KSA for the speech audiometric tests.
Key Words: Korean speech audiometry·Speech recognition·Talker variability.
중심단어: 어음인지· 어음청각검사· 화자변수.
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