助听器的噪音为什么那么大?

2025年04月06日 09:14
有2个网友回答
网友(1):

助听器使用者最常有的抱怨是噪音放大太多、某些声音则太吵让使用者无法忍受。 有些助听器设有感应器可以察觉强度持续的声音,并自行调整这些噪音的增益量。不幸的是由於噪音中含有许多与语音相同的频率,因此只去除噪音却不影响音质是不可能的。 听力学家尝试利用现代科技去测量并控制进入耳朵的最大音量,一但音量持续超过饱和音压(不失真下助听器最大的放大音量)或个人的不舒适音量时将会导致失真及不适。 现代的助听器可以让小声音有足够的放大音量,而背景噪音方面则可经由多重麦克风或方向性麦克风的设计来提升吵杂环境中的听能力,但最精巧复杂的助听器仍无法改变因内耳及中枢听觉系统的扭曲而造成的不清晰。

网友(2):

佩戴助听器需要专业验配,选配适合自己听力情况的助听器。当选配的助听器与自己的听力情况不符的时候有可能会出现这种情况,有时候家人给买回去没有经过专业验配一般都会戴上不舒服,太吵,难受;还有如果是第一次佩戴助听器的话刚开始觉得吵声音大是正常的、因为这些声音对听力障碍的患者以前是听不见的。另外还有就是选择带有降噪功能的助听器也会好一点。希望我的回答对你有所帮助,谢谢

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