Speech Steganography System Using Lifting Wavelet Transform

Ahlam majead Kadum, Saad Najim Al-Saad


This paper presents a new lossless speech steganography approach based on Integer-to-Integer Lifting Wavelet Transform (Int2Int LWT) and Least Significant Bits (LSBs) substitution. In order to increase the security level a simple encryption with chaotic key has been proposed. The proposed system has a high sensitivity in choosing keys because a small change in CKG causes a new secret key for transmitting. Speech steganography algorithm that based on (Int2IntLWT) can satisfy full recovery for the embedded secret messages in the receiver side.

Keywords:Speech steganography, information hiding, Int2Int LWT, (LSB) technique, XOR operation.

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ISSN (Paper)2224-610X ISSN (Online)2225-0603

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