Low power implementation of audio watermarking using chirp spread spectrum technique. - P. Karthigaikumar; K. Baskaran; K. Jaraline Kirubavathy (Int. J. Inf. Comput. Secur., 2011)

FPGA based audio watermarking - Covert communication. - P. Karthigaikumar; K. Jaraline Kirubavathy; K. Baskaran (Microelectron. J., 2011)