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다채널 보청기의 해제시간에 따른 무의미음절인지도와 선호도의 변화
정지행(Ji haeng Jeong),이경원(Kyoung won Lee) 한국청각언어재활학회 2018 Audiology and Speech Research Vol.14 No.4
Purpose: To determine the effective release time (RT) for listening to Korean sounds when wearing hearing aids, we evaluated Korean non-sense syllabic word recognition scores (NSRS) and the clarity of conversation sounds, the size of noise, and the overall preferences as a function of RT. Methods: Twenty adults and elderly people with mild to severe sensorineural hearing loss were participated as subjects. In the quiet and noise environment, NSRS and preferences were evaluated after setting the RT of the multi-channel hearing aids to 70, 200, and 600 ms. Presentation level of non-sense syllabic word was 45 dB HL and signal-to-noise ratio was 6 dB in noise environment. Results: NSRS was not different as a function of RT in quiet, but NSRS of 200 ms was higher than 70 ms and 600 ms in noise environment. However, clarity, loudness of noise, and overall preference did not show a difference in RT in a quiet and noisy environment. Conclusion: Through this study, it was confirmed that Korean NSRS can be affected by RT. Therefore, in order to develop a hearing aid fitting formula that is effective in recognition of Korean speech sound, it is necessary to consider the RT
KCI
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