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This report proposes a robust audio watermarking technique. Watermarked acoustic contents have been attacked for removal of concealed signals, and robustness against the attacks should be provided. Additionally, the sound quality should be preserved within the embedding procedure. In the proposed method, time and frequency divisions are adopted to fulfill these two requirements. Frequency division is used in embedding procedure for providing robustness, and psychoacoustic analysis and time division are used for preserving the sound quality. Experimental evaluation results show that the robustness against certain attacks is improved by the proposed technique.
Date of Conference: 12-14 Sept. 2009