Comment by phab | Hacker News Reader

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Comment by phab | Hacker News Reader

I wonder if you could store information in the frequency-space and then inverse-transform it for some neat steganography...

Aphex Twin famously hid his face in the spectrogram of a song: https://www.vice.com/en/article/nzm7mz/aphex-twin-easter-egg

That's one technique used in watermarking.

That's a pretty common way of doing it.

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