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역경사형 청력손실자의 보청기적합 사례

Hearing Aid Fitting for People with Reverse-Sloping Sensorineural Hearing Loss：Two Case Reports

장현숙|이경원
한국청각언어재활학회 (Korean Academy of Audiology)|2009.12|Audiology and Speech Research|제5권 제1호|pp. 80-85

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참고문헌

키워드

역경사형·보청기적합·보청기처방법·이득.Reverse-sloping·Hearing aid fitting·Hearing aid prescription method·Gain.

초록

Abstract

A reverse-sloping sensorineural hearing loss is one of the difficult cases to obtain satisfaction with amplification. This type of hearing loss typically involves greater 2-cc coupler gain for the high frequencies than for the low frequencies based on the hearing aid prescription methods. However, too much gain in the low frequencies would cause many problems including occlusion problems, amplification of background noise, and decrease in speech intelligibility. We tested two individuals with reverse-sloping hearing losses who preferred much less gain in the low frequencies than in the high frequencies. The subjects preferred less gain at low frequency than gain measured by NAL-NL1 method. Based on the setting above, improving tonal quality and speech discrimination was achieved for a reverse- sloping sensosineural hearing loss.

참고문헌 (28)

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