He received the B.S., M.S., and Dr. Eng. degrees from Hokkaido University, Sapporo, Japan, in 1979, 1981, and 1986, respectively. Since 1983 he has been with Hokkaido University. He is now Dean and Professor, Graduate School of Information Science and Technology, Hokkaido University. From 1984 to 1985, he was a visiting researcher at Department of Computer Science, University of Illinois, USA.
His research interests are in the areas of speech signal processing, wireless communication signal processing and low-power consumption VLSI system design. He has published 3 books, over 150 Transaction/Journal papers, and around 300 International Conference/Symposium/Workshop papers.
Dr. Miyanaga served as an editor-in-chief of IEICE ESS (2016-present). He was an associate editor of IEEE CAS Society Transaction on Circuits and Systems II (2012-2014), and he is also an editor-in-chief of Journal of Signal Processing, RISP Japan (2014-present).
He was a delegate of IEICE, Engineering Sciences Society Steering Committee, i.e., IEICE ESS Officers from 2004 to 2006. He was a chair of Technical Group on Smart Info-Media System, IEICE (IEICE TG-SIS) during the same period and now a member of the advisory committee, IEICE TG-SIS. He was the President, IEICE Engineering Science (ES) Society (2015-2016). He is Fellow member of IEICE.
He served as a member in the board of directors, IEEE Japan Council as a chair of student activity committee from 2002 to 2004. He is a vice-chair of IEEE Sapporo Section (2015-present). He was a chair of IEEE Circuits and Systems Society, Technical Committee on Digital Signal Processing (IEEE CASS DSP TC) (2006-2008). He was a distinguished lecture (DL) of IEEE CAS Society (2010-2011) and he was a Board of Governor (BoG) of IEEE CAS Society (2011-2013).
He has been serving as a member of international advisory committee, IEEE ISPACS (2005-present), and IEEE ISCIT (2006-present). He was an honorary chair and general chair/co-chairs of international symposiums/workshops, i.e., ISCIT 2005, NSIP 2005, ISCIT 2006, SISB 2007, ISPACS 2008, ISMAC 2009, ISMAC 2010, APSIPA ASC 2009, IEICE ITC-CSCC 2011, APSIPA ASC 2011, IEEE ISCIT 2012, ISMAC 2011, ISPACS 2011, ISCIT 2015, ISCIT 2016, ISPACS 2016, ISCAS 2019, and so on.