Extension facilities and performance of an LSI adaptive filter. - C. R. South; A. V. Lewis (ICASSP, 1984)

Low and variable bit-rate speech coding for ATM networks. - Scott D. Watson; Barry M. G. Cheetham; W. T. K. Wong; A. V. Lewis (EUROSPEECH, 1995)

A voice activity detector for the ITU-t 8kbit/s speech coding standard g.729. - Scott D. Watson; Barry M. G. Cheetham; P. A. Barrett; W. T. K. Wong; A. V. Lewis (EUROSPEECH, 1997)