Professor K R Rao, University of Texas at Arlington, USA,1995,1991,1998,1999.

Dr N G Kingsbury, University of Cambridge, UK, 1996.

Dr M Biggar, Telstra Research Labs,1991,1999.

Dr C J van den Branden Lambrecht, HP Labs, Palo Alto, USA, 1997.

Professor Z Budrikis, Australian Telecommunications Research Institute, 1997.

Professor K N Ngan, University of Western Australia, 1998,1999.

Dr N Ohta, IT Labs, Sony Co, Japan, 1998.

Professor J Astola, Tampere University of Technology, 1998.

Professor B Boashash, Queensland University of Technology, 1998.

Dr Y Shishikui, NHK, Japan, 1998.

Professor M Kawamata, Tohoku University, Japan, 1998.

Dr J Boyce, Reader of King's College London, UK, 1998.

Professor W Zuberek, Memorial University of Newfoundland, Canada, 1998.

Professor I Graham, University of Waikato, 1998.

Professor J Chicharo, University of Wollongong, 1999.

Dr Zhihong Man, University of Tasmania, Australia, 1999, 2000.

Dr-Ing, B Girod, Professor of Stanford University, USA (formerly Professor of Erlangen-Nuremberg University, Germany) 1999.

Professor Soowon Kim, National Korea University, Korea, 1998-1999.

Professor J J Hwang, Kunsan National University, Korea, 1999.

Dr Y Huh, Korea Electrotechnology Research Institute, Korea, 1999.

Prof. B B Chaudhuri, Fellow of IEEE, 1999.

Dr R Kowalczyk, CSIRO, Mathematical and Information Sciences, 2000.

Professor X Lin, Department of Electronic Engineering, Tsinghua University, Beijing, China, 2000.

Mr A Pica, Sarnoff Corporation, Princeton, NJ, U.S.A., 2000.

Professor J Sun, Shanghai Jiao Tong University, China, 2000.

Dr M Shnaider, Media Services Section, Telstra Research Laboratories, 2000.

Mr H Metz, Victoria Forensic Science Centre, Applied Science Branch, 2000.

Mr G Sinclair, Deputy Commissioner (Operations), Victoria Police, 2000.

Professor M Vetterli, Swiss Federal Institute of Technology, Lausanne, (EPFL), 2003.

Professor M Miyahara, Japan Advanced Institute of Science and Technology, 2003.