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Data Over Sound

(Transfer data with sound waves between android devices)

  • Description:

    • Chat or send/receive various data.
    • No need for internet wifi or cellular network, just speakers and microphone.
    • Data is transfered using sound waves on frequencies adult human ear can't hear.

  • More about project:

    • Uses frequency modulation (key-shifting) to send data.
    • Encoding done with adaptive Huffman.
    • Error correction done with Reed Solomon's algorithm.