无线助听技术对听障患者噪声下言语识别能力的影响

The Improvement of Speech Recognition in Noise with Wireless Technology to the Hearing Impaired

胡晓宇;倪道凤;张华;王梦竹;董燕华;

1:斯达克中国公司

2:中国医学科学院北京协和医院耳鼻咽喉科

3:首都医科大学附属北京同仁医院

4:北京市耳鼻咽喉科研究所

摘要
目的探讨助听器无线技术对听障患者噪声环境下言语识别能力的影响。方法 20例长期佩戴助听器的双侧感音神经性听力损失患者双耳选配具有900Sync无线技术的助听器,在距离扬声器3米和6米位置,分别在仅使用助听器麦克风(HA)、无线音频传输并开启助听器麦克风(900Sync+HA)、仅无线音频传输(900Sync)三种模式下进行普通话快速噪声下言语测试(M-Quick SIN),言语声给声强度为70 dB SPL,竞争声按照-5、0、5、10、15、20 dB的信噪比随机播放,每例受试者共测试六张句表,测试结果以信噪比损失表示;言语测试结束后进行听觉努力(listening effort)自述量表评估。结果 M-Quick SIN测试结果显示,受试者同一位置三种助听模式下的信噪比损失从高到低依次为HA、900Sync+HA、900Sync,两两比较差异均有统计学意义(P<0.05);但在三种助听模式下,3米与6米距离之间的信噪比损失差异无统计学意义(P>0.05)。Listening effort自述评估结果显示,900Sync、900Sync+HA助听模式下的听觉努力程度优于HA(P<0.05),当信噪比≤0 dB时,900Sync助听模式下的听觉努力程度优于900Sync+HA模式(P<0.05)。结论 900Sync无线助听技术能够提高听障患者噪声下的言语识别能力,并改善其听觉努力程度。
关键词
助听器;无线技术;普通话快速噪声下言语测试;听觉努力
基金项目(Foundation):
作者
胡晓宇;倪道凤;张华;王梦竹;董燕华;
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