Processing trick turns off-the-shelf earphones into pulse rate monitors

Processing trick turns off-the-shelf earphones into pulse rate monitors Oct 25th 2013, 20:35, by Jon Fingas We've seen earphones that double as health sensors, but they frequently require integrated (and sometimes bulky) equipment to get the job done. Bifrostec and the Kaiteki Institute have just solved that problem with processing technology that turns any pair of in-ears into a pulse wave sensor. The ...