Anatomy Of A Hearing Aid

All of this talk about hearing aid hacking has got me wondering about what’s actually inside a hearing aid. Quality images are hard to come by on the interweb, so I have produced one specially for you, the dedicated readers of the Cookie Bite Chronicles.

It is based on an exploded view of the Siemens Chroma S, which was skilfully deconstructed and drawn in great detail before being returned to Clinic O. Fear not, no hearing aids were harmed in the production of this painstakingly accurate drawing, the deconstruction was done using the power of my mind alone.

As you can see from the diagram, there’s a lot packed into a small space, so a few components had to be left out for the sake of clarity, including the Bagpipe Detectors, and the Random Transposition Module which capriciously lowers certain musical notes by a semitone, making everything sound out of tune. The Entrainment Spring, which generates strange reverberations in response to any beeps, squeaks and alarms, has been shown slightly larger than it actually is, again for the sake of clarity. In reality, it is actually the same diameter as a human hair.

All the other components need no explanation, since most hearing aid users will already be very familiar with them.

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3 Responses to “Anatomy Of A Hearing Aid”


  1. 1 Olivia January 31, 2014 at 7:06 pm

    Can I use the diagram for my digital arts class?


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