A method and in the concha bowl hearing aid apparatus with sound processor/amplifier and speaker sized to be removably secured within the concha bowl of the ear and structured to allow sound to pass through the hearing aid into the ear canal so its speaker positioned within the external auditory canal of the ear blends and provides the desired combination of external sound entering the ear canal with amplified sound from the speaker.

 
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< Method for adjusting the transmission characteristic of a hearing aid

> IC chip type hearing aid module for mobile communication terminal

> Hearing aid with information signaling

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