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논문 기본 정보

자료유형
학술저널
저자정보
Kim Subin (Department of Otolaryngology-Head and Neck Surgery College of Medicine The Catholic University of K) You Sungwha (Division of Speech Pathology and Audiology College of Natural Sciences Hallym University Chuncheon) Sohn Myoung Eun (Department of Otolaryngology-Head and Neck Surgery College of Medicine The Catholic University of K) Han Woojae (Division of Speech Pathology and Audiology College of Natural Sciences Hallym University Chuncheon) 서재현 (가톨릭대학교) Oh Yonghee (Department of Speech Language and Hearing Sciences University of Florida Gainesville FL USA)
저널정보
대한청각학회 Journal of Audiology & Otology Journal of Audiology & Otology Vol.25 No.4
발행연도
2021.10
수록면
171 - 177 (7page)
DOI
10.7874/jao.2021.00045

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Background and Objectives: The purpose of the present study was to validate the performance and diagnostic efficacy of the Korean digits-in-noise (K-DIN) test in comparison to the Korean speech perception-in-noise (K-SPIN) test, which is the representative speech-in-noise test in clinical practice.Subjects and Methods: Twenty-seven subjects (15 normal-hearing and 12 hearing-impaired listeners) participated. The recorded Korean 0-9 digits were used to form quasirandom digit triplets; 50 target digit triplets were presented at the most comfortable level of each subject while presenting speech-shaped background noise at various levels of signal-to-noise ratios (-12.5, -10, -5, or +5 dB). Subjects were then instructed to listen to both target and noise masker unilaterally and bilaterally through a headphone. K-SPIN test was also conducted using the same procedure as the K-DIN. After calculating their percent correct responses, K-DIN and K-SPIN results were compared using a Pearson-correlation test.Results: Results showed a statistically significant correlation between K-DIN and K-SPIN in all hearing conditions (left: r=0.814, p<0.001; right: r=0.788, p<0.001; bilateral: r=0.727, p<0.001). Moreover, the K-DIN test achieved better testing efficacy, shorter average listening time (5 min vs. 30 min), and easier performance of task according to participants’ qualitative reports than the K-SPIN test.Conclusions: In this study, the Korean version of digit triplet test was validated in both normal-hearing and hearing-impaired listeners. The findings suggest that the K-DIN test can be used as a simple and time-efficient hearing-in-noise test in audiology clinics in Korea.

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