Cooperative Analog and Digital Signal Processing : Georgia Institute of Technology  
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ESP :: advisor

Dr. David Anderson
dva [at] ece.gatech.edu
photo David V. Anderson recevied the B.S and M.S. degrees from Brigham Young University and the Ph.D. degree from Georgia Institute of Technology (Georgia Tech) in 1993, 1994, and 1999, respectively.

He is an associate professor in the School of Electrical and Computer Engineering at Georgia Tech and an associate director of CREST, the Center for Research in Embedded Systems Technology. Dr. Anderson's research interests include audio and psycho-acoustics, signal processing in the context of human auditory characteristics, and the real-time application of such techniques using both analog and digital hardware. His research has included the development of a digital hearing aid algorithm that has now been made into a successful commercial product.

Dr. Anderson was awarded the National Science Foundation CAREER Award for excellence as a young educator and researcher in 2004. He has over 60 technical publications and 5 patents/patents pending. Dr. Anderson is a member of the IEEE, the Acoustical Society of America, ASEE, and Tau Beta Pi. He has been actively involved in the development and promotion of computer enhanced education and other education programs.

ESP :: students

Woosuk Choi :: personal webpage
cws [at] ece.gatech.edu
photo Woosuk received his B.S. degree in Electrical and Computer Engineering from Georgia Institute of Technology in 2002. He joined CADSP group in 2003, and is currently pursing M.S./Ph.D. degree. His research interests are auditory perception based speech enhancement and perceptual restoration of missing or masked sounds. He is the webmaster of CADSP group and social chair of Eta Kappa Nu, ECE honor society.
Varinthira Duangudom
gtg496j [at] mail.gatech.edu
photo Varinthira received her B.S. degree in biology from the University of North Carolina at Chapel Hill in 2000, and received her B.S. degree in electrical engineering from North Carolina State University, Raleigh, NC, in 2002. She received her M.S. degree in electrical and computer engineering from the Georgia Institute of Technology, Atlanta, GA, in 2004, and is currently pursuing the Ph.D. degree in electrical and computer engineering.
Her research interests are in auditory processing, including auditory perception and biological modeling.
Spence Whitehead :: personal webpage
spence [at] imtc.gatech.edu
photo Spence Whitehead is a graduate student research assistant at IMTC. He is currently investigating audio noise reduction and implementing such algorithms for use in commercial audio software tools. His other research interests include music and speech recognition and analysis. Spence received the B.A. in Music from Florida State University, the B.S.E.E. from University of South Florida, the M.S.E.E. from Georgia Institute of Technology, and is currently in the doctoral program at Georgia Tech under the guidance of Professors Mark Clements and David Anderson.

ESP :: alumni

Daniel Allred
djallred [at] ece.gatech.edu
photo Daniel Allred is a Ph.D. candidate in the school of Electrical and Computer Engineering at the Georgia Institute of Technology. He received his B.S. in Electrical Engineering from the University of Florida, Gainesville, in 2001, with an emphasis on computer hardware. Current research interests now lie in the field of Digital Signal Processing, focusing on space-time signal processing, microphone arrays for low-power acoustic interfaces, and beamforming. He spent the Summer of 2004 as an intern with Microsoft Research investigating the problem of reverberant speech with microphone arrays. Other interests include room acoustics, automatic speech recognition, adaptive signal processing, digital communications, and biologically-inspired signal processing methods. He is married and the father of two young daughters.
Dr. Faik Baskaya :: personal webpage
baskaya [at] ece.gatech.edu
photo Faik received his B.S. and M.S. degrees in Electrical Engineering from Bogazici University, Istanbul. He joined the ECE department of Georgia Tech in August, 2002 and CADSP group in January, 2003. So far, he has been interested in Analog and Digital IC design, Rapid Prototyping, and Computer Architecture. His current research topic is Physical synthesis for Large Scale Field Programmable Analog Arrays. He is also a joint member of GTCAD lab of CREST group for this project since February, 2004.
Dr. Tyson Hall :: personal webpage
tyson [at] southern.edu
photo Tyson Hall graduated with a Ph.D. degree in Electrical and Computer Engineering from Georgia Tech in July 2004. He received his M.S. ECE and B.S. in Computer Engineering from Georgia Tech in 2001 and 1999. Tyson's research interests include reconfigurable computing, rapid prototyping of mixed-signal systems, embedded systems, and engineering education.

Tyson is currently an assistant professor in the School of Computing at Southern Adventist University. His focus at Southern is developing an embedded systems degree concentration and research program in the School of Computing. Tyson is also starting a research program at Southern with an emphasis on reconfigurable computing in education. He has authored a digital logic lab manual and a textbook on FPGAs, and he holds a patent for the field-programmable analog array that he designed as a component of his doctoral thesis.
Dr. Rongqiang (James) Hu :: personal webpage
rqhu [at] ece.gatech.edu
photo Rongqiang's research interests include speech enhancement, generalized bandwidth extension, speech coding and audio data compression. His research for speech enhancement focuses on exploiting state-of-the-arts non-acoustic sensors and biological correlates such as psychoacoustic model for perceptually improved system. The main contributions of his idea on generalized bandwidth extension scheme are to efficiently compact speech bandwidth and extend back without much deterioration. The application of this scheme will be on speech enhancement, bandwidth variable vocoder and audio data compression.
Dr. Walter Huang
walter [at] ece.gatech.edu
photo Walter received his B.S. in Electrical Engineering from Georgia Institute of Technology in 1999, and his M.S. in Electrical and Computer Engineering in 2003 also from Georgia Institute of Technology. Before going to graduate school, he interned with Intel for eight months. While at Intel, he validated chipsets for desktop processors. He returned to Georgia Institute of Technology in 2000 to pursue a Ph.D. in Electrical Engineering. He joined the CADSP group in 2002. His interests are in rapid hardware prototyping, computer architecture, and hardware implementations of DSP algorithms on reconfigurable systems and processors. His current research topic is the design and application of distributed arithmetic for fixed and adaptive signal processing.
Dr. Venkatesh Krishnan :: personal webpage
vkrish [at] ece.gatech.edu
photo Venkatesh Krishnan graduated with a Ph.D. degree in Electrical and Computer Engineering from Georgia Tech in May 2005. The title of his Ph.D. dissertation was "A framework for low bit rate speech coding in noisy environment". Besides speech and audio processing, his research interests include rapid prototyping of DSP algorithms using FPGAs, real time issues in DSP algorithm implementation and design of adaptive signal processing systems. He received his M.S. in Electrical Engineering from University of Central Florida, Orlando in 2001 and his bachelors degree in Electronics and Communications Enginnering from the Birla Institute of Technology, India in 1999.

In December 2004, Venkatesh was awarded the Center for Signal and Image Processing Outstanding Research Award. He has over 23 refereed publications in journals and conferences and 5 US patent disclosures to his credit. Recently he joined QUALCOMM, INc's QCT division as a Senior Engineer.
Dr. Jungwon Lee
gte399w [at] mail.gatech.edu
photo Jungwon Lee received the B.E. and M.E. degrees in electrical engineering from the Chung-Ang University, Seoul, Korea in 1997 and 1999, respectively. He is currently a Ph.D. student in the school of electrical and computer engineering at Georgia Institute of Technology. His research interests is in developing low-power high-performance image processing systems.
Dr. Teahyung Lee
gte543q [at] mail.gatech.edu
photo Teahyung Lee is pursuing the Ph.D. degree in the area of CADSP optical flow system. His current research interests are image and video processing, computer vision and VLSI architecture for multimedia applications.
Dr. Haw-Jing (Michael) Lo :: personal webpage
mlo [at] ece.gatech.edu
photo Michael is a Ph.D. candidate in Electrical and Computer Engineering at Georgia Institute of Technology. He received his B.S. and M.S. degrees in Electrical and Computer Engineering also from Georgia Institute of Technology in 2001 and 2003, respectively. He joined the CADSP group in 2002 and has been involved in projects ranging from analog computational circuits for image processing to investigating hardware implementations for real-time pitch detection to ASIC design. Currently his research is focused on the development of adaptive distributed arithmetic filters and their implementation on silicon.
Dr. Sourabh Ravindran :: personal webpage
stg [at] ece.gatech.edu
photo Sourabh Ravindran received his M.S. is Electrical and Computer Engineering from Georgia Institute of Technology, Atlanta, GA, in August 2002. He is currently pursing the Ph.D. degree. His research interests include audio classification, modeling of the human auditory system, speaker identification, machine learning and new methods of speech recognition.
Dr. Shyam Subramanian
shyam [at] ece.gatech.edu
photo Shyam Subramanian received his B.Tech. in Electrical Engineering from Indian Institute of Technology (Madras) in 2002 and his M.S. from Georgia Institute of Technology in 2004. He is currently a Ph.D. student in the School of Electrical and Computer Engineering. His research interests include analog filter design, translinear circuits, and amplifier design. He is currently investigating procedures to synthesize static and dynamic systems using the Multiple-Input Translinear Element (MITE) as the basic circuit element.
Jason Tanner
jasondtanner [at] gmail.com
photo Jason Tanner obtained his M.S. He received his B.S. in Computer Engineering from the Brigham Young University 2005, with a minor in math. Current research interests now lie in the field of circuit design. He spent most of 2005 as an intern with Micron Technologies working on a megapixel imaging chip.
Dr. Nikolaos Vasiloglou
nvasil [at] ieee.org
photo Nikolaos Vasiloglou has received his B.S. in Electrical and Computer Engineering from National Technical University of Athens, Greece in 2000, M.S. from Georgia Institute of Technology in 2003. Since 2001 he is a candidate Ph.D. student at Georgia Tech supervised by Dr. Ronald W. Schafer and Dr. David V. Anderson. His current research interests are audio, indexing and robust speech recognition based on hashed captioned tv broadcast data.
Dr. Heejong Yoo
hjyoo [at] ece.gatech.edu
photo Heejong Yoo graduated with a Ph.D. degree in Electrical and Computer Engineering from Georgia Tech in January 2005. He has been with CADSP group since fall semester, 2000. He received his B.S. and M.S. degree in Electronics Engineering from the Korea University, Seoul, Korea in 1993 and 1995, respectively.

His research topic is real-time and low-power implementation of audio DSP signal processing algorithms such as acoustic echo cancellation (AEC), audio noise suppression (ANS), and audio compression. His is interested in adaptive filters, multi-channel AEC, wavelet theory, statistical signal processing, floating-gate circuits, and analog signal processing.

Before he came to Georgia Tech in 2000, he was with Hyundai Electronics (now Hynx Semiconductor), Ichon, Korea for five and a half years. His responsibility was to develop car navigation software such as GPS interface, route guidance, route calculation, 3-D map display (Bird eye view), and etc. on both window-based platforms and an embedded system using VxWorks RTOS. In January, 2005, Heejong joined Qualcomm Inc., San Diego, CA, as a senior engineer in Qualcomm CDMA Technology (QCT) division.