Hearing Diagram. The largest part of your device is the body of the hearing aid which sits behind your ear. For this you may use two small 15v cells.
Internal parts of a hearing aid. 8 ear moulds the ear mould is a vital part of the hearing aid system. It helps us to balance.
This graph is similar to what your audiologists system would produce during a hearing test and plots the softest sounds you can hear across the different frequencies tested.
The power source for the other hearing aid components. Hearing is how we perceive sound. The academic field concerned with hearing is. It channels sound from the aid.