Energy Harvesting Approaches to Powering Hearing Aids

Note:  For those expecting to find the continuation of Directional Microphone Mismatch, as mentioned in last week’s post, please note that some recent information has been presented that will relate to improving the robustness of matching two omnidirectional microphones to create a directional listening experience.  As a result, the second part is being delayed. The Battery…

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Hearing Aid Power Supply – Body Heat? Part I

Introduction/Background Powering hearing aids has taken a number of turns over the years – from carbon microphones, through A and B batteries (heater and power battery), other different sized zinc batteries, and finally to cells consisting primarily of mercury, silver, zinc air, and now again, into rechargeable cells.  But, what does the future hold? As…

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