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真耳测量和助听器选配 被引量:1

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摘要 真耳测量208耳,外耳共振峰值为2765±419Hz,20.3±3.6dB,3-10岁儿童的外耳共振频率(2943±642Hz)明显高于成人(2583±323Hz)。其振幅值男性(20.8±3.7dB)高于女性(19.8±3.5dB)。共振峰值形态多为单峰型(48%)和宽顶型(43.8%),也有少数为双峰型(8.2%)。个体间的外耳共振有较大差异,即使在同一个体比较左右耳,有38.4%呈现不一致现象,真耳测量检测41耳原使用耳背式助听器的情况,仅24.4%(10/41)选配合适,29.3%(12/41)患者使用的竟是有明显声学故障的助听器。对21耳新配助听器者应用真耳测量技术选配最佳助听器,取得满意结果。
出处 《听力学及言语疾病杂志》 CAS CSCD 1993年第2期21-24,共4页 Journal of Audiology and Speech Pathology
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