Please help to have a circuit about hearing aid, Myfather have a hearing problem,the doctor said he need one...I hope you can find time to help me. Thanks!
Most people who have a hearing problem need some frequencies, not all frequencies boosted, usually the higher frequencies. Then you need a graph of the hearing loss vs frequency so you can make a complimentary equalizer circuit. You also need a simple mic preamp and power amp circuit for each ear.
hearing aid circuit
Posted - May 31 2011 : 08:31:23 AM
Please help to have a circuit about hearing aid, Myfather have a hearing problem,the doctor said he need one...I hope you can find time to help me. Thanks!
