Which Bit Is Better in Least Significant Bit?

Ali Jassim  Mohamed Ali; Fatin E. M.  Al-Obaidi

doi:10.4236/jis.2015.63017

Fatin E. M. Al-Obaidi^*, Ali Jassim Mohamed Ali

Abstract: The weakness of Human Auditory System (HAS) led the audio steganography process to be used in hiding data in the digital sound. Audio steganography is implemented here by using Least Significant Bit (LSB) algorithm to hide message into multiple audio files. This is achieved by 1st, 2nd, 3rd, and 4th bits hiding ratios. In comparison to other used bits, hiding results show that the use of 1st bit in LSB method for embedding data is much better than those used bits as expected. In addition to that and according to the results, file’s size affects strongly upon the effectiveness of the embedding process while hiding starting position doesn’t affect upon the variation of the adopted statistical estimators regardless to which bit is used. Among the statistical estimators that have been adopted here, the Mean Absolute Error (MAE) seems to be the best one in testing hiding process.

Keywords: Audio Steganography, LSB Method, PSNR, MAE

Cite this paper: Al-Obaidi, F. and Mohamed Ali, A. (2015) Which Bit Is Better in Least Significant Bit?. Journal of Information Security, 6, 161-165. doi: 10.4236/jis.2015.63017.

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