Sound Based Data Transfer. Lisnrs solution involves something called smart tones which transmit data in the audio frequency range of 187 khz to 192 khz making it. I just need to store data in sound files.
The sound can be transmitted any medium i wish whether radio etc. Yamaha infosound and shopkick application use technologies that allow to transfer data using ultrasound. Using sound for transferring data is nothing new.
Based on this encoded data the led lamp will flicker at a very high speed that cannot be noticed by the human eyes.
Data over sound can also be used in a number of different ways in the financial industry including the transfer of payments. Using sound for transferring data is nothing new. Digital financial services to their clients. In simple words data over sound enables the communication of data over pre existing microphones and loudspeakers.