| Citation: |
Yanli LI, Chuanda QI. A Discrete Wavelet Transform-based Anti-replay Audio Watermarking Algorithm[J]. Journal of Xinyang Normal University (Natural Science Edition), 2024, 37(4): 449-453. DOI: 10.3969/j.issn.1003-0972.2024.04.005
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In order to solve the problem of illegal transmission and use of audio content after rerecording, a robust audio watermarking algorithm was proposed. Based on discrete wavelet transform, Discrete Wavelet Transform-Coefficient Logarithmic Mean (DWT-CLM) was defined, the relationship between DWT-CLM and the approximate components of DWT was analyzed, and a watermark embedding method was proposed based on DWT-CLM. Experimental results showed that the proposed algorithm had the good inaudibility and anti-signal processing ability, especially in the signal processing to meet a certain robustness, and a certain tolerance for re-recording attacks.
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