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Curriculum Vitae
Name :
Dr. Nisachon Tangsangiumvisai
Contact Address: | |
Dr.
Nisachon Tangsangiumvisai |
|
(1) |
Department of
Electrical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand Tel : (662) 2186909 Fax : (662) 2186912 E-Mail : Nisachon.T@Chula.ac.th Webpage : http://www.ee.eng.chula.ac.th/~ntang |
(2) | 215/175
Pracharat 1 Road, Bangsue, Bangkok, 10800, Thailand Tel : (662) 5856169 |
Year |
Position/Degree |
Institute |
2001 | PhD. |
Thesis title : Algorithms and Structures for Stereophonic Acoustic Echo Cancellation. |
1997 |
M.Eng. |
IMPERIAL COLLEGE, London, U.K. Thesis title : A frequency-domain method for hands-free mobile communications |
1993 |
A-Level |
BROOKE
HOUSE SIXTH FORM COLLEGE, Leicestershire, U.K. |
1992 |
High
School |
TRIAM
UDOM SUKSA SCHOOL, Bangkok, Thailand. |
Work Experience
Lecturer June 2001-present
Research areas :1) Digital Signal Processing (DPS) and its applications for communications- Digital Filters
2) Adaptive Filters and their applications in telecommunications- Mono-channel Acoustic Echo Cancellation (AEC)- Stereophonic AEC (SAEC)- Double-Talk (DT) Situation on AEC and SAEC- Noise cancellation- Feedback cancellation in hearing-aids
Publications
· N. Tangsangiumvisai and J. A. Chambers, "Double-Talk Detection for Stereophonic Acoustic Echo Cancellation in a Time-Varying Environment", Proceedings of the 25th Electrical Engineering Conference (EECON'2002, Prince Songkla university, Thailand), November 2002.
· N. Tangsangiumvisai, J. A. Chambers, and A. G. Constantinides, "Time-varying Allpass Filters Using Spectral-shaped Noise for Signal Decorrelation in Stereophonic Acoustic Echo Cancellation", IEEE Asia Pacific Conference on Circuits and Systems (APCCAS'2002, Bali, Indonesia), October 2002.
· N. Tangsangiumvisai, J. A. Chambers, and A. G. Constantinides, "Time-varying Allpass Filters Using Spectral-shaped Noise for Signal Decorrelation in Stereophonic Acoustic Echo Cancellation", International Conference on Digital Signal Processing (DSP'2002, Santorini Island, Greece), July 2002.
· N. Tangsangiumvisai and J. A. Chambers, "A Stereophonic Adaptive Filtering Algorithm Based on Fullband-Subband Automatic Switching Scheme", Proceedings of the 24th Electrical Engineering Conference (EECON'2001, KMITL, Thailand), November 2001.
· N. Tangsangiumvisai and J. A. Chambers, "A fullband-subband automatic switching scheme for stereophonic acoustic echo cancellation", IEE Electronics Letters, vol. 36, no. 25, pp. 2109-2111, December 2000.
· N. Tangsangiumvisai and J. A. Chambers, "A fast converging and stable adaptive filtering algorithm for stereophonic acoustic echo cancellation", European Signal Processing Conference (EUSIPCO'2000, Tampere, Finland), vol. 2, September 2000.
· N. Forsyth, N. Tangsangiumvisai, J. A. Chambers and P. A. Naylor, "A subband decorrelation scheme using higher-order time-varying allpass filters", International Workshop on Acoustic Echo and Noise Control (IWAENC'99, Pacono Manor, U.S.A.), pp. 24-27, September 1999.
· N. Tangsangiumvisai, J.A. Chambers and A. G. Constantinides, "Higher-order time-varying allpass filters for signal decorrelation in stereophonic acoustic echo cancellation", IEE Electronics Letters, vol. 35, no. 1, pp. 88-90, January 1999.
· Project title : On the improvement of acoustic feedback cancellation in hearing-aid devices for enhanced dynamic range
· Project title : Industrial Linkage for Research and Development
Year II (ILRD II) -- Sub-project : Stereophonic Acoustic Echo Cancellation
in the Double-Talk Situation
Role : Project Director & Researcher
Budget : 388,000 baht
Agency : Government
Duration : June 2003 - May 2004
· Project title : Thai Text-to-Speech (TTS) and Thai Automatic Word
Recognition (AWR) for Sun IVR Systems
Role : Researcher
Budget : 5,922,450 baht (AWR : 2,465,000 baht)
Agency : Sun System (Thailand) Co. Ltd.
Duration : January 2003 - December 2003
· Project title : Study of the Stereophonic Acoustic Echo Cancellation
in the Double-Talk Situation
Role : Project Director & Researcher
Budget : 120,000 baht
Agency : Grants for development of new faculty staff,
Chulalongkorn University
Duration : October 2002 - September 2003
· Project title : Industrial Linkage for Research and Development
Year I (ILRD I) -- Sub-project : Stereophonic Acoustic Echo Cancellation in
the Double-Talk Situation
Role : Project Director & Researcher
Budget : 213,811.80 baht
Agency : Government
Duration : June 2002 - May 2003