Nice. Here's some messages hidden in audio 'noise' generated from stretching out all the black and white squares of a QRcode and generating some audio from it.

Nice. Here's some messages hidden in audio 'noise' generated from stretching out all the black and white squares of a QRcode and generating some audio from it. It can also be decoded back to the QR code and back to the message. Neat. http://qrdio.com http://qrdio.com