I had an stupid idea 2 weeks ago if it would be possible to use the iPhone mic on the chest to measure the heart rate =) This is what came out =) Sound process

I had an stupid idea 2 weeks ago if it would be possible to use the iPhone mic on the chest to measure the heart rate =) This is what came out =) Sound processing is totally fascinating and hopefully i will learn more! I am looking forward for the first suggestions and updates :)