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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.
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More about project:
- Uses frequency modulation (key-shifting) to send data.
- Encoding done with adaptive Huffman.
- Error correction done with Reed Solomon's algorithm.
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Android application for data transfer, using sound waves
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MrLaki5/Data-over-sound
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Android application for data transfer, using sound waves
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