Secure communications below the hearing threshold

Improved approaches for auditive steganography

Marcus Nutzinger and Rainer Poisel

Playlists: '27c3' videos starting here / audio / related events

Auditive steganography allows for various usage scenarios. In our project we focused on hidden communications in VoIP and GSM in which voice data is typically compressed and transmitted in realtime. A framework has been developed to meet these requirements, providing interfaces for robust steganographic algorithms.

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