Information Hiding in Real-Time VoIP Streams

摘要: The real-time speech hiding is to hide the secret into a cover in communication systems. By one speech, we can get stego which sounds meaningful and indistinguishable from original speech. Therefore, even if attackers catch audio packets on Internet, they would not notice that there another hidden inside it. In this paper, propose scheme for system such as voice over Internet Protocol (VoIP). We novel design of G.711 codec, widely supported by almost every VoIP device. Experimental results show processing time proposed algorithm takes only 0.257 ms, suitable applications.