Microphone implanted in and powered by the body

In an effort to reduce the murder rate I want to greatly increase the chances of getting caught. To do so I invented a device that will record your last words (and potential the murderer's and your surroundings) that could provide key insights into your death.

This device would be a small chip inserted into the body. The chip would have a built in microphone measuring vibrations through your body produced by sound waves. The sound waves would be recorded into internal memory, small enough to hold just a ten minute loop (constantly overwritten). The device is powered by the circulatory system. When the person who has the chip implanted dies the chip is no longer provided power and thus the last 10 minutes are not overwritten. In the event of your death the chip could be pulled and listened too to give insight into your last moments, if no foul play is suspected the recording can be given to the family as a keepsake.

Is this invention technologically feasible? Can you power such a device using just the electricity produced by the body? Where in the body should it be to get the best recordings and power while being the least invasive? How big would the device be, classic CIA-eqse implant or more like a pacemaker? Finally, what kind of recordings could it get, would it only record your own voice as vibrations from your voice box would be strongest or could it pick up others talking to you? Would it sound like real voices?

posted over 7 years ago

DasBeasto‭

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