Digital audio authentication using enhanced LSB and logistic map
Abstract
With the advancement of communication technologies, various processes have been developed to protect digital content and ensure its secure transmission. These processes involve the utilization of multiple information processing tools, including watermarking techniques. Watermarking allows for the embedding of information into a carrier signal without compromising its quality. It enables verification of the multimedia content's integrity and facilitates the detection of manipulations by analyzing changes in the extracted watermark. This article presents a fragile watermarking algorithm designed for digital audio authentication. The algorithm employs the least significant bit (LSB) technique and analyzes the first two most significant bits (MSB) for embedding the watermark. The results obtained demonstrate the imperceptibility of the watermark, with average signal-to-noise ratio (SNR) and normalized correlation (NC) values of 43.22 dB and 0.9980, respectively. Additionally, the proposed method exhibits resilience against various attacks such as mute, cloning, and sample substitution.
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References
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Copyright (c) 2023 María Teresa Quiñonez-Carbajal, Rogelio Reyes-Reyes, Volodymyr Ponomaryov , Clara Cruz-Ramos
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