Secure & Robust Higher LSB Audio Stenography With Cryptography for Secure Data Transmission

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Provided by: IJAIR
Topic: Security
Format: PDF
In this paper, the authors present a novel high bit rate LSB audio watermarking method that reduces embedding distortion of the host audio along with symmetric key cryptography. Using the proposed two-step algorithm, watermark bits are embedded into higher LSB layers, resulting in increased robustness against noise addition. In addition, listening tests showed that perceptual quality of watermarked audio is higher in the case of the proposed method than in the standard LSB method. Conventionally, a perceptual limit of three bits per sample is imposed to the basic LSB audio steganography method.
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