It's a really sweet setup but at least with the old techique it was very sensitive to ambiant light changes. I wonder if this has the same problems...or is something different all together.
“An engineer explained to us that hundreds of ear impressions were gathered in the name of research, and while each one obviously boasted its own unique shape and size, one single characteristic remained uniform across the board: the entrance into the ear canal is not a perfect circle, it's an oval.”
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I wonder if it uses the bidirectional aspect of LEDs like this project -
http://cs.nyu.edu/~jhan/ledtouch/index.html
It's a really sweet setup but at least with the old techique it was very sensitive to ambiant light changes. I wonder if this has the same problems...or is something different all together.