James W. Beauchamp

Electrical and Computer Engineering
James W Beauchamp
Research Professor
4029 Music Building
1114 W. Nevada
Urbana Illinois 61801
Professor Emeritus
4029 Music Building
1114 W. Nevada
Urbana Illinois 61801

Primary Research Area

  • Signal Processing

For more information


Research Interests

  • audio, computer music, musical acoustics, analysis and synthesis of musical sound, musical timbre perception, automatic pitch detection and sound source separation from music recordings

Research Areas

Books Edited or Co-Edited (Original Editions)

Chapters in Books

  • James W. Beauchamp, "Comparison of Vocal and Violin Vibrato with Relationship to the Source/Filter Model", in Studies in Musical Acoustics and Psychoacoustics, Albrecht Schneider, Ed, Springer Int. Pub. AG, pp. 201-222 (2017).
  • A. B. Horner and J. W. Beauchamp, "Instrument modeling and synthesis", in Handbook of Signal Processing in Acoustics, D. Havelock, S. Kuwano, and M. Vorlander, Eds., Springer, N. Y., Vol. 1, pp. 375-397 (2008).
  • J. W. Beauchamp, "Analysis and Synthesis of Musical Instrument Sounds", in Analysis, Synthesis, and Perception of Musical Sounds: Sound of Music, J. W. Beauchamp, Ed., Springer, N. Y., pp. 1 - 89 (2007). (!)
  • J. W. Beauchamp and R. C. Maher, "Digital Audio" in Encyclopedia of Acoustics, M. Crocker, ed., John Wiley & Sons, pp. 1967-1978 (1997).
  • J. W. Beauchamp, "Brass Tone Synthesis by Spectrum Evolution Matching with Nonlinear Functions", in Foundations of Computer Music, C. Roads and J. Strawn, eds., MIT Press, Cambridge, MA, pp. 95-113 (1985).
  • J. W. Beauchamp, "Electronic Music: Apparatus and Technology", in Dictionary of Contemporary Music, John Vinton, ed., E. P. Dutton, NY, NY, pp. 205-215 (1974).
  • J. W. Beauchamp, "A Computer System for Time-Variant Harmonic Analysis and Synthesis of Musical Tones", in Music by Computers, H. von Foerster and J. W. Beauchamp, eds., John Wiley & Sons pp. 19-62 (1969).

Selected Articles in Journals

  • J. W. Beauchamp, "Trombone Transfer Functions: Comparison Between Frequency-Swept Sine Wave and Human Performance Input", Archives of Acoustics, Vol. 37, No. 4, pp. 447-454 (2012).
  • A. B. Horner, J. W. Beauchamp, and R. H. Y. So, "Evaluation of Mel-Band and MFCC-Based Error Metrics for Correspondence to Discrimination of Spectrally Altered Musical Instrument Sounds", J. Audio Eng. Soc., Vol. 59, No. 5, pp. 290-303 (2011).
  • M. D. Hall and J. W. Beauchamp, "Clarifying Spectral And Temporal Dimensions Of Musical Instrument Timbre", Canadian Acoustics, Vol. 37, No. 1, pp. 3 - 22 (2009).
  • A. B. Horner, J. W. Beauchamp, and R. H. Y. Lo, "A search for best metrics to predict discrimination of original and spectrally altered musical instrument sounds", J. Audio Eng. Soc., Vol. 54, No. 3, pp. 140-156 (2006).
  • J. W. Beauchamp, "Musical Acoustics: Brass Acoustics -- Is Propagation Linear or Nonlinear?", Acoustics Today, Vol. 2, No. 2, pp. 52-53, April, 2006.
  • A. Horner, J. Beauchamp, and R. So, "Detection of random alterations to time-varying musical instrument spectra", J. Acoust. Soc. Am., Vol. 116, No. 3, pp. 1800-1810 (2004).
  • M. Wright, J. Beauchamp, K. Fitz, X. Rodet, A. Robel, X. Serra, and G. Wakfield, "Analysis/synthesis comparison", Organized Sound, Vol. 5, No. 3, pp. 173-189 (2001).
  • S. McAdams, J. W. Beauchamp, and S. Menneguzzi, "Discrimination of musical instrument sounds resynthesized with simplified spectrotemporal parameters", J. Acoust. Soc. Am., Vol. 105, No. 2, Pt. 1, pp. 882-897 (1999).
  • A. Horner and J. Beauchamp, "A genetic algorithm based method for synthesis of low peak amplitude signals", J. Acoust. Soc. Am., Vol. 99, No. 1, pp. 433-443 (1996).
  • A. Horner and J. Beauchamp, "Piecewise Linear Approximations of Additive Synthesis Envelopes: A Comparison of Various Methods", Computer Music J., Vol. 20, No. 2, pp.72-95 (1996).
  • A. Horner, J. Beauchamp, and L. Haken, "Genetic Algorithms and Their Application to FM Matching Synthesis", Computer Music J., Vol. 17, No. 4, pp. 17-29 (1993).
  • A. Horner, J. Beauchamp, and L. Haken, "Methods for Matching Multiple Wavetable Synthesis of Musical Instrument Tones", J. Audio Eng. Soc., Vol. 41, No. 5, pp. 336-356 (1993).
  • R. C. Maher and J. W. Beauchamp, "An Investigation of Vocal Vibrato for Synthesis", Applied Acoustics, Vol. 30, pp. 219-245 (1990).
  • J. W. Beauchamp, "Synthesis by Spectral Amplitude and 'Brightness' Matching of Analyzed Musical Instrument Tones", J. Audio Eng. Soc., Vol. 30, No. 6, pp. 396-406 (1982).
  • L. A. Hiller and J. W. Beauchamp, "Research in Music with Electronics", Science, Vol. 150, No. 3693, pp. 161-169 (1965).

Articles in Conference Proceedings


  • Fellow of the Acoustical Society of America (Nov. 3, 1999)
  • Fellow of the Audio Engineering Society (May 14, 1981)

Courses Taught

  • MUS 499 - Signal Processing & Technology