Show HN: Turn images into audio that can be decoded with a spectrogram
8 points by jupr
by rotten
0 subcomment
Better than playing a record backwards to find the hidden messages. Instead you can find hidden images in recordings.
by StizzurpXDD
0 subcomment
A good way to send encrypted pictures. Just convert the images into audio, and nobody would even think to look at the spectrogram of the audio file. Nice.
by femto
0 subcomment
An Orthogonal Frequency Division Multiplexing fax machine!
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