This is based on a kooky idea I had a while ago which came up again recently in conversations about messaging, encryption, security and privacy.
It's not very useful at this stage and it's not 'secure' in any way, but
Input some text and hit return: (max. chars about 340 .. for now)
Below is an audio file generated from the black and white blocks of the QR code. (It sounds like noise)
It works. Now to think of something to do with this...
Now we need to be able to take a 'QRdio' file and decode the 'noise' back to the matrix of 1's and 0's which we need to paint a QRcode from it. We can then read that code to provide the message within the noise. Cunning!
Select a QRdio wav file:
built by kosso
for extra qredits : view the source :)