Technology
Digital watermarking hides invisible ownership data
HERE’S THE INTERESTING PART
Piracy is a problem, so media files snitch on themselves. Digital watermarking embeds subtle, localized alterations directly into the audio or video signal. These minute changes are totally imperceptible to the audience, but automated tracking systems can instantly scan the file, read the hidden signature, and definitively prove exactly who the original copyright owner is.
One discovery leads to another.
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