Audio — Stego

Marcus decided to stop fighting the noise. He slowed it down.

The ethical twin of audio stego is . While a spy might use stego to hide a file, a record label uses watermarking to embed an invisible, forensic ID into a song. audio stego

But it wasn't written in English characters. It was a series of vertical lines, grouped in clusters of five. Marcus decided to stop fighting the noise

Listen Water.

He dialed the number.