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Vitae
    EDUCATION

    · B.S. in Electrical Engineering, Arizona State University, May 1989.

    · M.S. in Electrical Engineering, Arizona State University, August 1991.
    Thesis: Low rate speech representations by vector quantizing transform components.

    · Ph.D. in Electrical Engineering, Arizona State University, August 1995.
    Dissertation: Robust speaker-independent recognition of a confusable vocabulary.

    EMPLOYMENT

    1991-1995 Research Assistant, Department of  Electrical Engineering, Arizona
    State University, AZ 

    1995-1996 Post-doctoral Research Fellow, Department of Speech and Hearing  Sciences, Arizona State University, AZ 

    1996-1999  Assistant Professor, Department of Applied Science, University of 
    Arkansas at Little Rock, Little Rock, AR.

    1999-2003 Associate Professor (with tenure), Department of Electrical Engineering, University of Texas at Dallas, Richardson, TX.

    2004-present  Professor (with tenure), Department of Electrical Engineering, University of Texas at Dallas, Richardson, TX.

    AWARDS/HONORS
     

    • National Institutes of Health (NIH) Shannon award (1998)
    • Member of NIH Grant Review Panel (AUD Study Section), 2006-2011
    • Invited member of NIH Grant Review Panel (CMS Study Section /NIDCD), 1998.
    • Intel award for “contributing to the development of the 60172 processor architecture” (1992)
    • The 1996 F.V. Hunt Research Fellowship by Acoustical  Society of America
    • Member of honorary societies: Eta Kappa Nu, Sigma Pi Sigma, New York Academy of Sciences
    • Cited  in Who’s Who in Science and Engineering (1998)


    RESEARCH

    Research Interests
    Signal processing, adaptive signal processing algorithms, spectrum estimation, implementation of signal processing algorithms on fixed-point DSP processors, speech enhancement, speech perception, and signal processing for cochlear implants.

    Grants Awarded - Sponsored Research

    Principal Investigator, “Open-source research interface for cochlear implants,“ National Institutes of Health, $1.3M, April 2006-April 2009.

    Principal Investigator, “Optimizing speech coding strategies for noise and music,” National Institutes of Health, April 2005-April 2010, $1.5M.

    Co-Investigator (PI: A. Spanias, Arizona State  University). “Collaborative Research: CCLI-EMD; Development of On-line Laboratories for Networks, Probability Theory, Signals and Systems, and Multimedia computing,” National Science Foundation, 2005-2008, $450,000

    Principal Investigator, “Signal Processing Techniques for Cochlear Prosthesis,” National Institutes of Health,  Grant No. 1 R01 DC03421, May 1999-May 2004, $700,000.

    Principal Investigator, “Signal Processing Techniques for Cochlear Prosthesis,” National Institutes of Health,  Grant No. R55 DC03421, October 1998-October 2000, $100,000, Shannon Award.

    Co-PI, “Cochlear implants – Auditory function and speech perception,” National Institutes of Health, Grant No. 5 R01 DC00654-07, April 1999-April 2004, $993,000.

    Co-Investigator, “Performance outcome measures for hearing technology,” Texas Instruments, Inc., June 2000-June 2001, $165,000

    Principal Investigator, “Development of a laboratory cochlear implant processor,” Arkansas Science and Technology Authority, July 1997-July 1998, $28,000.

    Co-PI, “A coupled oscillator approach to control autonomous robots”, US Army  Research Office/DEPSCoR, November 1997- November 2000, $278,000.

    Principal Investigator, “Evaluation of two cochlear implant processors,” Office of Research and Sponsored Programs, UALR, July 1997-July 1998, $5,000.
     

    PUBLICATIONS

    INVITED PRESENTATIONS 
    “Signal processing for cochlear implants and low-rate speech coding,” 2000 IEEE Workshop on Speech Coding, Delavan, WI, Sept 2000. (Plenary talk).

    “Simulations of cochlear implant signal processing,”  2000 World Congress on Medical Physics and Biomedical Engineering, Chicago, IL, July 2000.

    “Digital signal processing to aid the deaf,” University of Texas-Austin,  Nov. 2000.

    “A parametric study of the CIS strategy,” 1999 Conference on Implantable Auditory Prosthesis, Asilomar, CA, September 1999.

    “Signal processing for cochlear prosthesis: A tutorial review,” 40th Midwest Symposium on Circuits and Systems, Sacramento, CA, October 1997.

    PROFESSIONAL ACTIVITIES
     Associate Editor of IEEE Transactions on Speech and Audio Processing, 1999-

    Invited member of a NIH Grant Review Panel (CMS Study Section /NIDCD), 1998.

     Session Chairman for “Special Topics on Speech Recognition” at the IEEE International Conference on Acoustics, Speech and Signal Processing, Istanbul, Turkey, June 2000.

    Organized and chaired the session “DSP for the hearing impaired and biomedical signal processing,” Ninth DSP Workshop, Hunt, TX, Oct. 2000.

    Session chairman at the Fifth Annual Undergraduate Research Conference, Henderson State University, AR,  April 17-18, 1998.

    Session chairman at the 1998 International Convention of the Alexander Graham Bell Association for the Deaf, Little Rock, AR, June 29-July 3, 1998.

    Journal Reviewer
    · IEEE Transactions on Speech and Audio Processing
    · Journal of Acoustical Society of America
    · Ear and Hearing
    · Annals of Otology, Rhinology and Laryngology
    · Journal of Speech and Hearing Research

    Grant Reviewer
    · National Institutes of Health, National Institute of Deafness and other Communication Disorders. 

    Professional Societies
    · Member of Institute of Electrical and Electronics Engineers (IEEE)  1989- 
    · Member of Acoustical Society of America  1994 –
    · Member of New York Academy of Sciences  1995 – 
    · Member of Eta Kappa Nu
    · Member of Sigma Pi Sigma
     

    TEACHING

    GRADUATE STUDENT SUPERVISION

    PhD Dissertations Supervised

  1. Oguz Poroy “Analysis and development of signal processing techniques for cochlear prosthesis”, May 1999 (currently at Univ. of Iowa).
  2. Ginger Stickney (co-advised with Prof. P. Assmann from School of Human Development), May 2001,  "Analysis of speech processing strategies for cochlear implants and the effects of electrode interaction," (presently at Univ. of California -Irvine).
  3. Yi Hu, Aug 2003, ``Subspace and multitaper methods for speech enhancement”

    M.S. Students graduated

    1.      Arunvijay Mani, “Dichotic speech recognition: Electric and Acoustic Hearing”

    2.      Haifeng  Qian,  “Bluetooth receiver and bandwidth-extension algorithms for telephone-assistive applications,” May 2002 (presently at Univ. of Minnesota).

    3.      Kalyan Kasturi, Intelligibility of filtered speech and estimation of frequency-importance functions,” August 2002.

    4.      Bharath Siravara, “Subband feedback active noise cancellation,” August 2002 (presently with Texas Instruments, Inc).

    5.      Mukul Bhatnagar, “A modified spectral subtraction method combined with perceptual weighting for speech enhancement,” August 2002 (presently with Texas Instruments, Inc.).

    6.      Gaurang Parikh, “The effect of noise on the spectrum of speech”, August 2002 (presently with Qualcomm, CA).

    7.      Sunil Kamath, “A multi-band spectral subtraction method speech enhancement,” May 2001 (presently at Georgia Tech as PhD student)

    8.      Lakshmi Mishra, “Analysis of speech processing strategies for the Clarion implant processor, “ December 2000 (presently with Advanced Bionics Corporation, Sylmar, CA).

    9.       Zhemin Tu, August 1999, “Speech recognition over the Internet using Java” (now with Polycom, Inc., Austin, TX)

    10.  Xiaohong Liu, December 1998, “Noise reduction strategies for cochlear implants”.

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