Hearing aid filter apparatus
Hearing aid for persons with an impaired hearing faculty
Hearing aid having a data storage
Hearing aid having a programmable audio input
Hearing aid having compensation for acoustic feedback
Hearing aid having plural microphones and a microphone switching
Hearing aid headset having an array of microphones
Hearing aid housing with retaining frame
Hearing aid incorporating a novelty filter
Hearing aid intended for being mounted within the ear canal
Hearing aid noise suppression system
Hearing aid programming interface
Hearing aid programming interface and method
Hearing aid providing an information output signal upon selectio
Hearing aid responsive to signals inside and outside of the audi
Hearing aid set
Hearing aid signal-processing system
Hearing aid to be worn at the head
Hearing aid to be worn behind the ear having battery and volume
Hearing aid to be worn in the ear