Hearing Aid Devices and Working
The process of hearing involves assessing the presence of sound and recognizing it. The hearing system consists of different parts that involve receiving the voice to transmitting it to brain. Outer ear receives the sound in the form of vibration and this goes through the mid ear and inner ear. The nerve connected from the inner ear to brain which then process the noise. This process of converting the vibration to a cognizable state can be affected by anything. Hearing impairment can be caused by injury such as, disease, head trauma, excessive noise exposure. Shingles and diabetes also affect your ability to hear.
Most of the hearing associated problems can be addressed using hearing aid. Hearing aid amplifies the sound to make it understandable and recognize. Hearing aid involves a microphone, receiver, amplifier, and a battery. The voice reaches to the microphone in digital form. This digital signal is further amplified and received by the receiver. The hair cell receives the vibration and sends neural signal to the brain. Hearing aid devices come with range of options to match varying levels of hearing loss. Some hearing aid are customizable and made after the testing process. These hearing aid gears are smaller in size and rechargeable to offer backup for extended period of time.
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