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How Does A Hearing Aid Work In order to understand things better, you need to understand how a hearing aid works. A hearing aid is a digital sound processor, NOT AN AMPLIFIER, Someone suffering from hearing loss does not need the sound of everything around them to go up, which is what an amplifier does. So this means the person sitting next to you, as well as the crowd around you, is louder. This isn’t going to help you hear better. This is what going to make everything louder. What do you need is a better signal to noise ratio, and this is what hearing aids do…20 times a second. Adding strength to the voices close to you while minimizing the background noise.
What is hearing impairment? Hearing impairment is when your child’s ears can’t do all the things they should be able to do. For example, your child might have muffled hearing, or she might not be able to hear sounds coming from some directions, or she might have trouble hearing certain frequencies or sounds.