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听觉的声学现象和原理(2)
作者:网站采编关键词:
摘要:当前市场上出售的助听器普遍反映不好用,笔者认为,听力障碍者特别是老年人,他们的听力减退因人而异,不同频率衰退程度不同,必须在他们需要补偿
当前市场上出售的助听器普遍反映不好用,笔者认为,听力障碍者特别是老年人,他们的听力减退因人而异,不同频率衰退程度不同,必须在他们需要补偿的频率给予较为精确的补偿。而普通助听器只是粗略的在某些频段增强,由此,因为共振峰不准确而使佩戴者很难听清正确的语音,当然更谈不上理解语义了。为此,建议建立一套精确测试听力障碍者听力损失的规范标准,并利用现有的电声技术给予精确听觉补偿,以达到“精准助听”的目的。
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