Re:Sound Based Near Field Communication without NFC Chips
by tgrisfal on Monday June 20, 2011 @10:56PM
(#2677227)
At a guess, you could probably get a few kbits.
But you really would get better results for video. Just using some round numbers from QR codes for an example, 33 px * 33 px * 15 Hz = 16 kbit, which is much more even allowing for the metadata overhead and an error-correcting protocol.
But you really would get better results for video. Just using some round numbers from QR codes for an example, 33 px * 33 px * 15 Hz = 16 kbit, which is much more even allowing for the metadata overhead and an error-correcting protocol.