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随着电子工业的迅速发展,助听器技术也有了日新月异地进展,助听器由体携式转向耳背式、眼镜式和耳内式等,这些性能既好、又美观的微型助听器给聋人带来了极大的方便。一、助听器种类1.体携式助听器(称盒式助听器)其优点是:功率大、频响宽、易固定。缺点为:带挂线、不美观。衣服与助听器摩擦可产生噪音,且由于衣服遮盖助听器可使高频声音受抑。但它较适合于老人及儿童应用。2.耳级型助听器它包括耳背式、眼镜式和耳内式助听器。它们都戴于耳后或耳内,
With the rapid development of the electronics industry, hearing aid technology has also progressed with the rapid progress made. Hearing aids have shifted from body-portable to ear-back, eyeglasses and ear-cap types. These miniature hearing aids that are both good in performance and attractive in appearance bring deaf Big convenience. First, the type of hearing aids 1. Body-mounted hearing aids (box hearing aids) its advantages are: power, wide frequency response, easy to fix. Disadvantages: with hanging line, not beautiful. Friction between clothes and hearing aids can produce noise, and high-frequency sound can be suppressed due to clothes covering the hearing aid. But it is more suitable for the elderly and children’s applications. 2. Ear-type hearing aids It includes backs, glasses and in-ear hearing aids. They are worn behind the ears or ears,