Friday 17th of November 2017
 

The Effect of Data Hiding at Various Bit Positions on Audio Stegnography in DCT Domain


Sahib Khan, Umar Said, Ejaz Ahmad, Fazlullah and Mukhtair Ali

This work is related to audio Stegnography and presents the statistical analysis of various quality measuring parameters of audio Stegnography, e.g. signal to noise ratio (SNR), peak signal to noise ratio (PSNR) and mean square error (MSE), for different bit position substitution in an audio cover file in discrete cosine transform (DCT) domain. Interestingly the resulted mean square error (MSE), signal to noise ratio (SNR) and peak signal to noise ratio (PSNR) for each bit position shows a very insignificant variations in the values of the quality measuring.

Keywords: Audio Stegnography, Discrete Cosine Transform, Signal Processing, Information Security

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ABOUT THE AUTHORS

Sahib Khan
Engr. Sahib Khan got M.Sc. in Telecommunication Engineering from University of Engineering and Technology, Taxila in the year 2012 and B.Sc. in Telecommunication Engineering from University of Engineering and Technology, Peshawar in the year 2008. He currently holds the position of Lecturer in the Department of Electrical Engineering at University of Engineering and Technology, Peshawar. His research interests include Image and Signals Processing, Information Security and Antenna designing. He, along with his students, is developing and implementing Stegnographic techniques and algorithms, esp. Image and Audio Stegnography, in Spatial and Transform domains.

Umar Said
Dept. of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan

Ejaz Ahmad
Dept. of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan

Fazlullah


Mukhtair Ali
Dept. of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan


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