LSB-Based Audio Watermark Embedding and Extraction Algorithm
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Resource Overview
Audio watermark embedding and extraction algorithm based on LSB (Least Significant Bit) technique, with text file as hidden information
Detailed Documentation
The LSB-based audio watermark embedding and extraction algorithm is a fundamental digital watermarking technique used to conceal information within audio signals. This algorithm embeds text files as hidden data by modifying the least significant bits of audio samples. During extraction, the concealed text file can be recovered by analyzing the LSBs of the audio signal. The implementation typically involves converting audio samples to binary representation, replacing LSBs with watermark bits, and reconstructing the signal. Key functions include audio signal preprocessing, binary conversion, bit manipulation, and error checking. This method finds extensive applications in digital copyright protection, audio authentication, and covert communication due to its simplicity and minimal perceptual impact.
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