Information Hiding in Higher LSB Layer in an Audio Image

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Prof. Samir Kumar Bandyopadhyay
Biswajita Datta, Koushik Dutta

Abstract

With the rapid advancement of Communication Technology information transformation through internet become very much popular as
well as easy and less time consuming. But this type advancement in the field of data communication in other sense has hiked the fear of getting
the data snooped at the time of sending it from the sender to the receiver. Information protection is an issue in rapidly evolving contemporary
information technologies. Steganography plays an important role in the field of information security by hiding messages in such a way that no
one apart from the sender and intended recipient realizes the existence. Here in this paper we propose a novel audio steganographic method for
embedding information. For embedding here we use higher LSB layers for increasing robustness. The selected amplitudes are modified in such a
way that they can contain two bits without affecting the perceptual quality. In this paper we propose a new compression technique for sending
compressed information.

 

Keywords: Steganography, Human Auditory System (HAS), ASCII, Cover audio, Target data, Stego - audio, Encoding, Decoding

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