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This paper proposes a blind audio watermarking scheme for marking multiple copyright owners. The problem of interference between each watermark is solved by scrambling technology. Experimental results show good transparency and robustness of the scheme. The watermarking extraction procedure depends on the private key of specific copyright owner, which guarantees the security of the multi-watermarking...
This paper proposes a novel scheme for speech secure communication based on information hiding and Compressed Sensing (CS). The scheme first uses CS technology to compress the secret speech and reduce the information bit rate to be embedded, which is significantly different from state-of-art secret speech processing methods. Secret bit stream is then embedded into cover speech based on SCS (Scalar...
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