How to select suitable hearing aids style

According to the shape and position of hearing aids, the common rehabilitation methods of hearing aids can be divided into box type (analog signal), spectacle type, ear back type (ordinary type, open type), customized type (cavity type, inner type, ear canal type, deep ear canal type). According to the way of sound transmission, it can be divided into bone guided hearing aid, air guided hearing aid and tactile hearing aid, also called vibration hearing aid. Market hearing aids can be divided into: analog hearing aids; programmable hearing aids, full digital hearing aids, wide dynamic language technology hearing aids, etc.

General hearing aids can be divided into the following types according to different shapes:

Box/pocket hearing aid (also known as body mounted hearing aid): its advantages: low price, durable, easy to operate, high power output. Its disadvantages: large volume, poor concealment; poor orientation of sound: loud background noise, and often friction with clothing to produce friction noise interference hearing aid effect. Users: less use, generally suitable for the elderly and people with inflexible fingers.

Ear back hearing aid (also known as ear back hearing aid) advantages: slim shape, relatively concealed wearing position, good acoustic effect, multiple power. Disadvantages: it is easy to be eroded by sweat, and the hearing aids for people with high appearance requirements are not hidden enough. Applicable population: it is applicable to all kinds of hearing loss patients, and is the most commonly used hearing aid at present.

The inner ear hearing aid, ear canal hearing aid and deep ear canal hearing aid have the following advantages: they are directly placed in the ear cavity or outer ear canal during use, with good concealment; they use the auricle to collect sound; they have low distortion and transmission loss, so the sound quality is good. Its disadvantages: at present, these three types of hearing aids are not very powerful, which can not meet the needs of people with serious hearing loss; the price is higher than that of similar ear back hearing aids. Users: it is suitable for patients with severe hearing loss or below. In addition, the external auditory canal of deaf children changes greatly. The shell of hearing aid needs frequent replacement, which is very inconvenient. Therefore, children do not advocate this type.

Therefore, hearing impaired people need to consider the needs of listening and aesthetics, as well as their own economic conditions, and select hearing aids that are cost-effective and more suitable for themselves.