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单词 Deaf aid
释义

Deaf aid

中文百科

助听器 Hearing aid

(重定向自Deaf aid)
耳挂型助听器
Una señal en una estación de tren explica que el sistema de megafonía emplea un bucle de inducción de audición (bucle de inducción de audio). Los usuarios con audífonos preparados pueden ponerlos en modo T para oir las locuciones directamente desde ellos.
In-ear hearing aid
NIH illustration of different hearing aid types.

助听器是听力障碍者使用的辅具,用来补足听力损伤所造成的缺陷。

目前助听器已从传统的模拟式发展至电脑程序化的数字式助听器,可依外型分为下列几类:

英语百科

Hearing aid 助听器

(重定向自Deaf aid)
In-ear hearing aid
NIH illustration of different hearing aid types.
A pair of BTE hearing aids with earmolds.
Illustration of some of the first bulky vacuum tube hearing aids from 1933

A hearing aid or deaf aid is an electroacoustic device which is designed to amplify sound for the wearer, usually with the aim of making speech more intelligible, and to correct impaired hearing as measured by audiometry. In the United States, hearing aids are considered medical devices and are regulated by the Food and Drug Administration (FDA). Ordinary small audio amplifiers or other plain sound reinforcing systems cannot be sold as "hearing aids".

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