- 2006/05 - 2014/12 DSP Technical Committee Member, IEEE CAS Society, USA
- 2012/01 - 2013/12 Associate Editor for IEEE Trans. Circuits and Systems II: Express Briefs, USA
- 2009/05 - 2012/03 CAS Technical Committee Member, IEICE, Japan
- 2009/04 - 2012/03 Associate Editor for Signal Processing, Elsevier
- 2005/11 - Associate Editor for Special Issue on Smart Signal Processing, IEICE, Japan
- 2003/08 - Associate Editor for Special Issue on DSP, IEICE (Japan)
- 国際会議IEEE ISPACS'08 Technical Program Committee (TPC) Member 委員
- 国際会議IEEE ISCIT'08 Technical Program Committee (TPC) Member 委員
- 国際会議IEEE ISCAS'09 Review Committee Member (RCM) 委員
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