HEARING AID
A hearing aid is a battery-powered electronic device designed to enable a person to hear sounds better and understand speech more clearly, providing an overall improvement in communication ability.
It consists of 3 main parts:
How Hearing aid works?
The microphone picks up the different sounds in your environment and converts them to electric signals that can be understood by the processor.
The processor or amplifier takes the electric signals received from the microphone and converts them into digital signals that can be manipulated. It adjusts these digital signals to the wearer's requirements and then converts it back to an analog signal.
The receiver then converts the signals sent from the processor to audible sounds and output it to the wearer's ears.
Sources:
https://grabcad.com/library/flexible-hearing-aid-1
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