助听器数字机和模拟机有哪些区别?

2025年04月07日 07:12
有1个网友回答
网友(1):

首先,是价格上有区别:数字助听器相对价格要贵些,模拟要便宜些。
其次,模拟机使用的是线性放大技术,它是将所有的声音全部放大,小声放大,大声放得更大,就像是把一个扩音的喇叭放在耳边,这样常常会使佩戴者感到太吵。长时间使用还可能对听力造成二次伤害,越带越聋。
专业的助听器多是数字机,采用非线性放大技术,并且有对声音压缩降低噪音的效果,人耳的听力分高频、中频、低频,有的人高频听力损失严重,有的则是低频听力损失严重。针对不同的听力损失情况不能一味的将声音全部放大,而是应该根据听力损失的不同频段进行针对性的调试。数字助听器中的通道,就能针对性的对听力损失不同频段进行补偿,实现声音的自然与清晰,让使用者佩戴舒服。
需要注意的是:助听器并不是一个可以随意购买的“商品”。
由于大众对助听器认知的薄弱,再加上之某宝上价格便宜无需验配的模拟机助听器泛滥,导致大部分人都认为助听器自己随意买一个回来就能戴。 实际上助听器并不是一个可以随意购买的“商品”,而是需要根据本人的听力情况来验配的二类医疗器械。

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