What is Hearing Aid?
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Microphone picks up the sound and converts it into electrical energy.
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Amplifier magnifies the electrical energy
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Receiver converts the amplified electronic signals back to sound
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The hearing aid has a battery which provides power to the amplifier.
Difference Between Analogues (Conventional) and Digital Hearing Aid
Analogue hearing aids use conventional electronics. A microphone picks up the sound which is amplified and then reproduced by a ‘receiver’, which is basically a very small loudspeaker.
Digital hearing aids use a tiny computer to process sound programmed to suit your particular type of hearing loss. Some digital aids can be programmed for different listening situations according to your lifestyle.
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Convert sound into electrical signals that are amplified.
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Some are programmable for different environments.
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Make sounds louder but may not discriminate between them.
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Usually less expensive
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Convert sound to digital signals (data) that are processed precisely by a tiny computer.
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Can be programmed to suit each person’s hearing loss
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Suppress background noise so that speech is clear and distortion-free and easier to understand.
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Usually more expensive
Facts About Hearing Aids
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Hearing aid does not cure or increase hearing loss/tinnitus/giddiness. However hearing aid amplifies the background noise and has masking effect on tinnitus.
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The hearing aid amplifies the sound making it louder and thus helping the brain to hear the sound.
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A Perfect Selection of hearing aid and Fitting specific to your needs is very important for the hearing aid to be effective.
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For hearing loss in both ears two hearing aids provide a more natural and directional signal to the brain and help to understand speech.
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Ear discharge should be treated by medical/ surgical methods before using hearing aids.
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Even with the best of hearing aids, some difficulty like sound discrimination and slight difficulty in presence of loud background noise may persist
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