Abstract
In this paper a novel method for digital audio steganography is presented where encrypted covert data is embedded into the coefficients of the host audio (cover signal) in the integer wavelet domain. The hearing threshold is calculated in the integer domain and this threshold is employed as the embedding threshold. The inverse integer wavelet transform is applied to the modified coefficients to form a new audio sequence (stego signal). The characteristics of this method are large payload, high audio quality and full recovery.
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This work was supported by Iranian Telecommunication Research Center (ITRC).
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Delforouzi, A., Pooyan, M. Adaptive Digital Audio Steganography Based on Integer Wavelet Transform. Circuits Syst Signal Process 27, 247–259 (2008). https://doi.org/10.1007/s00034-008-9019-x
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DOI: https://doi.org/10.1007/s00034-008-9019-x