Book Tally Based Digital Audio Watermarking

Sonoda, Kotaro  ,  Noguchi, Shu

In this paper, we propose a novel digital audio watermarking system inspired by the tally trade. In ordinary digital audio watermarking, a single stego signal is produced through the embedding process and the hidden message is extracted from the stego signal. In tally-based system we propose, multiple stego signals are tallied to produce and the hidden message which is extracted from the temporally mixed signal composed of the required number of stego tallies. When the extractor can’t mix the required number of stego tallies, it misses the hidden message. The system’s performances are evaluated in terms of the number of tallies (shares).

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