12/13/2015 10:28pm - via http://www.basearticles.... - Details
shaliniagrwal28: Hearing aids are sound-amplifying devices designed to give support to people who have a hearing impairment. Most hearing aids share quite a few analogous electronic components, including a microphone that picks up sound; amplifier circuitry...
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Hearing aids are sound-amplifying devices designed to give support to people who have a hearing impairment. Most hearing aids share quite a few analogous electronic components, including a microphone that picks up sound; amplifier circuitry that makes the sound louder; a miniature loudspeaker that delivers the amplified sound into the ear canal; and batteries that power the electronic parts.