Reality of Directional Mic Hearing Aids (Part III)

There are at least three assumptions about directional microphone hearing aids that require discussion. 1.     Hearing aid manufacturers routinely measure the directional properties of DM hearing aids prior to shipment. 2.     Directional features programmed into the hearing aid seen on the computer programming screen are actually what is programmed into the hearing aid. 3.     Once…

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Directional Microphone Hearing Aids: Continued

Environmental Acoustics and Directional Microphone Hearing Aids This is a continuation of the previous blog and identifies additional issues that impact the performance and use of directional microphone hearing aids.  The previous blog discussed how directional microphone equalization adjustments and distance between microphone port openings impacts circuit noise that can be heard by the hearing…

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