What is a hearing aid?
What is a hearing aid? A hearing aid is a small electronic device that amplifies environmental sound. This makes all the environment sound louder so that a person with hearing loss can listen, communicate and participate in daily activities. A hearing aid can help people hear more in both quiet and noisy situations. A hearing aid consists of three basic parts: a microphone, amplifier, and receiver. The hearing aid receives sound through a microphone, which converts the sound waves into electrical signals and sends them to an amplifier. The amplifier amplifies the power of the signals and then sends it to the receiver. How can hearing aids help? Hearing aids are useful in improving hearing and communication of people who have hearing loss who suffer from any disease of any part of the ear. Hearing loss can result from illness, aging, or injury from certain medications. However, there are practical limits to the amount of amplification a hearing aid can provide. How can I find out ...