自适应非线性频率压缩助听器对成人耳聋患者音素感知和助听听阈的影响及验证

The Effects of Adaptive Nonlinear Frequency Compression Hearing Aids on the Phoneme Perception and Aided Hearing of Hearing-Impaired Listeners and Verification

戚爽;陈雪清;徐立;尤妍颜;孟超;郭倩倩;李炀;

1:首都医科大学附属北京同仁医院北京市耳鼻咽喉科研究所耳鼻咽喉头颈科学教育部重点实验室(首都医科大学)

2:School of Rehabilitation and Communication Sciences

3:Ohio University

4:首都医科大学附属北京潞河医院

摘要
目的探讨自适应非线性频率压缩(adaptive nonlinear frequency compression, ANFC)技术助听器对成人耳聋患者音素感知和助听听阈的影响,并使用真耳分析进行验证。方法 20例轻度到极重度感音神经性聋成人患者双耳选配带有ANFC功能的助听器,分别在ANFC功能打开和关闭两种条件下(测试条件顺序随机),分别测试"搭"、"发"、"哈"、"喀"、"妈"、"沙(3 kHz)"、"沙(5 kHz)"、"虾"、"撒(6 kHz)"以及"撒(9 kHz)"10种不同频率的音素感知阈及助听听阈,并通过真耳分析软件获得/s/、/sh/两音的曲线频谱响应。结果在ANFC功能打开和关闭两种条件下,20例患者0.25~4 kHz助听听阈无统计学差异(P>0.05),而ANFC功能打开时6 kHz和8 kHz助听听阈均值分别较ANFC关闭时降低约23和28 dB,差异有统计学意义(P<0.05);音素感知测试结果示,ANFC功能打开时四个高频音阈值"沙(5 kHz)"、"虾"、"撒(6 kHz)"和"撒(9 kHz)"音素感知阈均值较ANFC关闭时分别降低约6、12、15和16 dB,差异有统计学意义(P<0.05),其余6个音"搭"、"发"、"哈"、"喀"、"妈"和"沙(3 kHz)"的音素感知阈ANFC打开或关闭时差异无统计学意义(P>0.05),与真耳分析验证结果一致。结论 ANFC助听器可改善成人耳聋患者5 kHz以上的音素感知阈和助听听阈。
关键词
非线性频率压缩;音素感知;助听听阈;助听器
基金项目(Foundation):
作者
戚爽;陈雪清;徐立;尤妍颜;孟超;郭倩倩;李炀;
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