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什么叫语频听力损失

更新时间: 2020-09-23 00:00:00     

语频听力损失是指达到相同可懂度所需语言级较正常耳所需语言级高出的分贝数。可懂度常常任意地取为百分之五十。在500、1000、2000赫兹三个频率上的听力损失平均值比较正确的反映语频听力损失。语频听力损失的直接测量可用语言听力计进行,或用改变发音人和受试者的距离的办法进行。

关键词: 什么 听力 损失

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