Richard W. Christiansen
Professor
801.378.6587
christiansen@ee.byu.edu

Research Interests
Biographical Information
Publications

Publications

Author or Co-author of over 40 technical publications some of which are listed below.
  1. D. M. Chabries, D. Anderson, T. G. Stockham Jr., and R. W. Christiansen, "Application of a Human Auditory Model to Loudness Perception and Hearing Compensation," IEEE/ICASSP May 1995.
  2. Richard Frost, Chris Barnes, D. M. Chabries, and R. W. Christiansen, "System and Method For Data Compression Using Multiple Codewords and Transmitted Indices," US Patent 5,250,949, 1993.
  3. D. M. Chabries, R. H. Brery, M. S. Robinette, R. W. Christiansen, and G. R. Kenworthy, "Digital Hearing Enhancement Apparatus," US Patent 5,029,217. July 2, 1991.
  4. J. M. Scanlan, D. M. Chabries and R. W. Christiansen, "A Shadow Detection and Removal Algorithm for 2-D Images", Proceedings of IEEE ICASSP, April 1990, Vol 4, pp. 2057-2060.
  5. T. J. Patterson, D.M. Chabries, R. W. Christiansen, "Detection Algorithms for Image Sequence Analysis," IEEE Transactions on Acoustics, Speech, and Signal Processing, Sept. 1989, Vol. 37, No. 9, 1454-1458.
  6. Chabries, D. M., R. W. Christiansen, R. Brey, M. Robinette, and R. Harris, "Application of Adaptive Digital Signal Processing to Speech Enhancement for the Hearing Impaired," Journal of Rehabilitation Research and Development, submitted for publication October, l986.
  7. Christiansen, R.W., D.M. Chabries, and D.B. Anderson, "Noise Reduction in Speech Using a Modified LMS Adaptive Predictive Filter," Proceedings IEEE/EM BS. Chicago, Ill., September 1985.
  8. D. M. Chabries, R. W. Christiansen, R. Brey, M. Robinette, "Application of the LMS Adaptive Filter to Improve Speech Communication in the Presence ofNoise", Proceedings of ICASSP, IEEE, May 1982.
  9. Christiansen, R.W., D. M. Chabries, and D. Lynn, "Noise Reduction in Speech Using Adaptive Filtering in Signal Processing Algorithms," 103rd ASA Conference, Chicago, Il., April 26, 1982.
  10. R. W. Christiansen and D. M. Chabries, "Randomization and Masking Study for MX PLU", BYU Technical Report, Eyring Research Institute contract, Nov. 1980 (work performed for U.S. Air Force).
  11. R. W. Christiansen and C. K. Rushforth, "Detecting and Locating Key Words in Continuous Speech Using Linear Predictive coding," published as a section in a chapter on Word Spotting in Automatic Speech and Speaker Recognition, Ed., N. Rex Dixon and T. R. Martin, IEEE Press, 1979.
  12. R. W. Christiansen and C. K. Rushforth, "Detecting and Locating Key Words in Continuous Speech Using Linear Predictive Coding," IEEE Transactions ASSP, Vol, ASP-25, No. 5, October 1977.
  13. R. W. Christiansen and C.K. Rushforth, "Word Spotting in Continuous Speech Using Linear Predictive Coding," Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Philadelphia, Pennsylvania, April l2-l4, l976.
  14. R. W. Christiansen, Word Recognition in Continuous Speech Using Linear Prediction Analysis, Ph.D. Dissertation, University of Utah, Salt Lake City, Utah, 1976. (Also issued as a technical report No. UTEC-CSc-76-226 by the Advanced Research Projects Agency of the Department of Defense.)


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