Kulak kalıbı kanal uzunluğunun işitme cihazı kazancına etkisi

Turkish Journal of Audiology And Hearing Research Pub Date : 2021-08-01 DOI:10.34034/tjahr.23269

Oğuzhan Yilmaz, Sude Kaymakçı, Furkan Büyükkal, Bahtiyar Çelikgün

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Abstract

ABSTRACT The effect of earmold canal length on hearing aid gain Objective: The aim of this study is to investigate the effect of earmold canal length on gain at all frequencies. Material and Methods: The earmold impressions of 24 participants age range of 18-25 years were taken to extend to the second bend of the external auditory canal. Then, the earmold impressions taken for each participant; We processed it as a standard hard mold with 3 different canal lengths as 2nd bend, 1st to 2nd bend and 1st bend. Thus, real ear measurement is made for each participant with 3 different canal length earmold; Earmolds with short, medium and long canals and hearing aid gains were measured. Results: According to the results of our analysis, earmold with long canal length provided significant gains in all intensities at 500 and 750 Hz, high input sounds at 250 Hz and medium input sounds at 1000 Hz. Conclusion: Increasing the canal length in earmold provides additional gain, especially at low frequencies. Thanks to the additional gain got, it is thought that modifications to be made in the earmold can provide additional gain outside the hearing aid fitting program. Keywords: hearing aid, earmolds, gain, hearing, audiology

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摘要:目的:探讨耳模道长度对助听器增益的影响。材料与方法:选取年龄18-25岁的24例受试者，取耳模印模延伸至外耳道第二弯道。然后是每个参与者的耳模印模;我们把它加工成一个标准的硬模具，有3种不同的管长度作为第二弯，第1到第2弯和第1弯。因此，每位参与者使用3种不同耳道长度的耳模进行真实耳道测量;测量短、中、长耳道耳模和助听器增益。结果:根据我们的分析结果，长耳道长度的耳模在500和750 Hz的所有强度，250 Hz的高输入声音和1000 Hz的中输入声音中都提供了显著的增益。结论:增加耳模内耳道长度可获得额外的增益，特别是在低频时。由于获得了额外的增益，人们认为在耳模中进行的修改可以在助听器安装程序之外提供额外的增益。关键词:助听器，耳模，增益，听力，听力学

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Turkish Journal of Audiology And Hearing Research

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