Design and implementation of real-time acoustic steganography

DOI

Description

Recently, steganography using multiple media contents has been proposed as an information security technology. In this paper, model and algorithm of real-time steganography scheme is proposed. This system is implemented as embedding a piece of secret audio data stream which is recorded as synchronous as it is embedded into another piece of audio cover data stream. In addition, embedding positions in cover data with sampling size of 16-bit can be arbitrarily-designated. SNR analysis function is presented to analyze the embedding robustness and capacity of first signal ldquo1rdquo in every sampling point of cover data. We derive a conclusion through empirical test that the stego data can avoid drawing suspicion even when we embed two bits of secret data into the 7th and 8th bit of cover data from LSB in each sampling point.

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