Hearing aids have several functions–What are the functions of hearing aids?
The main function of the hearing aid is to amplify the received sound through the sound reproduction system to transmit the sound into the ear canal. In the past, the electronic technology undeveloped hearing aid amplifier performance was very poor, but also the noise and howling, the battery is big, the whole hearing aid is divided into two parts, part of the earphone is the sound receiver and amplifier, and now the hearing aid feedback suppression system does Very good, small size users feel more comfortable. Hearing aids are based on the type of hearing impaired bone type and the general type, the former is suitable for patients with impaired hearing loss, and the latter is suitable for patients with hearing impairment who are mild or degenerative in the elderly.
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