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Increasing the Compression Ratio using Speech Coding Techniques in Audio Steganography


Sapna Sharma , Hasmukh Goswami College of Engineering, Vahelal, Ahmedabad, Gujarat


Steganography, cryptography, LSB technique, linear predictive coding (LPC)


In the day to day life, everyone is dependent upon transfer of communication, where data security is not ensured. There is different techniques available for secure transmission of data, but all techniques do not provide secure and leakage proof communication over the network. Therefore, steganography solves this purpose. Steganography allows hiding data in a great way, through which strong communication may occur. Audio steganography actually hides the secret message behind an audio cover file using various techniques to provide secure and safe transmission of message without the reach of hackers. In this paper, most powerful speech analysis technique is used called Linear Predictive Coding (LPC), which encodes speech signal at very low bit rate and provides great estimation of various speech parameters. This paper gives the knowledge about previous methods of audio steganography and how proposed algorithm gives better results and shows how LPC method is better than LSB method.

Other Details

Paper ID: IJSRDV3I31453
Published in: Volume : 3, Issue : 3
Publication Date: 01/06/2015
Page(s): 3344-3347

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