Speech encoding and encryption in VLSI

Authors:
K. Kalyan Chakravarthy;M. B. Srinivas
Affiliations:
Cochin University of Science and Technology, Cochin, India;VLSI & Embedded Systems Research Center, Hyderabad, India
Venue:
ASP-DAC '03 Proceedings of the 2003 Asia and South Pacific Design Automation Conference
Year:
2003

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Abstract

In this work, an attempt has been made to design and synthesize speech encoding and encryption as a system-on-chip. The novelty of this design is that it uses wavelet decomposition for data compression and perpetual audio masking to keep quantization noise level to a minimum. The encryption is done by implementing RSA algorithm in hardware.