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SonicNotify: The inaudible QR codes your smartphone can hear said on February 13th, 2012 at 12:12 pm

[...] If you're familiar with QR codes, you will not have failed to spot the similarity   A new startup called SonicNotify has developed a technology that will enable smartphone apps to receive data via high frequency sound inaudible to the human ear. Though limited, the signals would be sufficient to transmit, say, a web address that could be automatically opened by your smartphone. These frequencies could be embedded into any audio being played through a speaker, and provide contextual information to the user. So, museums and art galleries could effectively transmit detailed information on their exhibits via their apparently silent PA systems. The cliche applies, I'm afraid: the possibilities are unending. [...]

Liz + Ma said on February 15th, 2012 at 12:14 pm

Thanks for sharing this article with us. It was interesting.