Respuesta :
Answer:
Hearing aids are devices, which are used to treat diseases or disorders associated with the ear and hearing. Hearing aids are small devices placed in the ear, which functions to amplify the sound.
Explanation:
Hearing aids are made up of three parts, which are microphone, amplifier, and speaker. The microphone collects sounds from the surroundings and converts the sound into a digital signal. The amplifier amplifies the digital signal, which is then produced in the ear by the speaker. Hearing aids are designed in such a way that it is least visible in-ear, should be small and should be of decent costing. The small hearing aids might have less power to amplify the hearing. There are several types of designs for hearing aids, which are open fit, behind the ear, receiver in canal, and the ear. Behind the ear type of hearing aids are considered one of the bests as they can be fitted into people of all ages and can cure almost every type of hearing loss. The behind-the-ear aids have a directional microphone, more amplification, and can pick up more noise than other styles. The device also comes with a rechargeable battery.
