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Information Technology Journal
Year: 2014  |  Volume: 13  |  Issue: 12  |  Page No.: 1992 - 1998

Stego on Song-an Amalgam of vi and FPGA for Hardware Info Hide

Sundararaman Rajagopalan, K. Pravallika, R. Radha, Har Narayan Upadhyay, J.B.B. Rayappan and Rengarajan Amirtharajan    

Abstract: The inventions and innovations in the multimedia communication have revolutionized the infotainment world. With the advancements in multimedia , there is a growing demand to use the image, audio, video and text ingredients for information protection. In the field of steganography, the cover to carry over the secret information has been an image in many of the reported works due to high payload carrying capacity. However audio steganography on hardware platform provides the user an option to use multicarrier steganography on common chip. Here we propose a method of steganography which has been implemented on Cyclone II FPGA EP2C20F484C7 which houses an architecture with LSB substitution of Huffman encoded secret message on select parts of digitized audio signal. The experimental results show that a SNR of 127.7 dB has been obtained for 100 bits payload with embedding process done on every 2000th memory location of 16-bit digitized audio signal stored in External SRAM.

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