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논문 기본 정보

자료유형
학술저널
저자정보
Hyeryeong Jo (Department of Audiology and Speech-Language Pathology Hallym University of Graduate Studies) Hyekyung Kong (Division of Speech Pathology and Audiology College of Natural Sciences Hallym University) Suyeon Shin (One Hearing & Speech Care Center) Mikyung Lee (HUGS Center for Hearing and Speech Research) Kwangjae Kim (Hearing Hub) Hyungoo Lee (Widex Seocho) Soohyun Ahn (Department of Audiology and Speech-Language Pathology Hallym University of Graduate Studies) Kyoungwon Lee (Department of Audiology and Speech-Language Pathology Hallym University of Graduate Studies)
저널정보
한국청각언어재활학회 Audiology and Speech Research Audiology and Speech Research 제17권 제2호
발행연도
2021.1
수록면
180 - 186 (7page)

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Purpose: To calculate the real-ear insertion gain (REIG) according to the types of hearing aids, we evaluated the preferred REIGs of Korean hearing-impaired listeners and psychoacoustic differences between open-canal fitting (OF) and closed-canal fitting (CF). Methods: The subjects with sensorineural hearing loss were divided into OF group (4 monaural fittings, 15 binaural fittings with 34 ears), and CF group (8 monaural fittings, 13 binaural fittings with 34 ears). There were no statistical differences in hearing threshold level (HTL) at each octave frequencies, word recognition score (WRS) and Korean Adaptation of the International Outcome Inventory for Hearing Aids (K-IOI-HA) between the two groups. When there was no need for further electroacoustic adjustment of the hearing aid, sharpness and occlusion of amplified sound, clarity of sentence, and loudness of noise were evaluated based on the everyday experience. And REIGs with international speech test signal and WRSin sound-treated room were measured. Results: Preferred REIG for HTL was low for OF compared to CF in 0.5 kHz and 0.75 kHz at input SPL of 55 dB, 0.5 kHz at 60 dB SPL, 0.25 kHz and 0.5 kHz at 80 dB SPL. However, there were no differences in aided WRS and psychoacoustics between the two groups. Conclusion: In this study, the preferred REIG of OF and CF groups showed a difference under 0.75 kHz although there were no psychoacoustic differences between the two groups. Therefore, the results of this study should be considered when formulating Korean-type hearing aid fitting formula.

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