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Contact Info

William H. Sanders
Department Head
ECE ILLINOIS
306 N. Wright Street
Urbana, IL 61801
Ph: (217) 333-2300
Fax: (217) 244-7075
whs@illinois.edu

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James W. Beauchamp

Electrical and Computer Engineering
James W. Beauchamp
James W. Beauchamp
Professor Emeritus
364 Everitt Lab MC 702
1406 W. Green
Urbana Illinois 61801
(217) 333-4248

Primary Research Area

  • Biomedical Imaging, Bioengineering, and Acoustics - Computer Music Synthesis, Audio

For more information

Prof. Beauchamp's Home Page

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

Signal Processing

Books Edited or Co-Edited (Original Editions)

  • James W. Beauchamp, ed.: Analysis, Synthesis, and Perception of Musical Sounds: The Sound of Music, Springer (2007).
  • Heinz von Foerster and James W. Beauchamp, eds.: Music by Computers, John Wiley & Sons (1969).

Chapters in Books

  • 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, "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

  • W. Kausel, J. W. Beauchamp, and S. Carral, "Brass instrument power efficiency and the relationship between input impedance and transfer function", Proc. Meetings on Acoustics (POMA), Vol. 19, pp. 035069 (9 pages) (2013).
  • M. Bay, A. F. Ehmann, J. W. Beauchamp, P. Smaragdis and J. S. Downie, "Second Fiddle is Important Too: Pitch Tracking Individual Voices in Polyphonic Music", Proc. 13th Conf. Int. Soc. Music Information Retrieval (ISMIR 2012), pp. 319-324 (2012).
  • M. D. Hall, J. W. Beauchamp, A. B. Horner, and J. M. Roche, "Importance of spectral detail in musical instrument timbre", Proc. 11th Int. Conf. on Music Perception and Cognition (ICMPC 11), Seattle, pp. 69-74 (2010).
  • M. Bay and J. W. Beauchamp, "Methods for separating instruments from a monaural mix", Proc. Meetings on Acoustics (POMA), Vol. 11, pp. 015007 (17 pages) (2011).
  • J. W. Beauchamp, A. B. Horner, and L. Ayers, "Effect of critical band data reduction of musical instrument sounds", Proc 9th Int. Conf. on Music Perception and Cognition (ICMPC 9), Bononia Univ, Press, Bologna, Italy, pp. 52-58 (2006).
  • M. Bay and J. W. Beauchamp, "Harmonic source separation using prestored spectra", Proc. 6th Int. Conf. on Independent Component Analysis and Blind Source Separation (ICA06), Springer-Verlag Berlin Heidelberg, pp. 561-568 (2006).
  • J. W. Beauchamp and S. Lakatos, "New Spectro-Temporal Measures of Musical Instrument Sounds Used for a Study of Timbral Similarity of Rise-Time- and Centroid-Normalized Musical Sounds", Proc. 7th Int. Conf. on Music Perception & Cognition (ICMPC 7), Univ. of New South Wales, Sydney, Australia, pp. 592-595 (2002).
  • H. Zheng and J. Beauchamp, "Analysis and Critical-Band-Based Group Wavetable Synthesis of Piano Tones", Proc. 1999 Int. Computer Music Conf., Beijing, China, pp. 9-12 (1999).
  • T. Madden and J. Beauchamp, "Armadillo: Real Time and Non-Real Time Analysis of Musical Sounds on a Power Macintosh", Proc. 1999 Int. Computer Music Conf., Beijing, China, pp. 411-413 (1999).
  • J. W. Beauchamp, "Musical instrument synthesis by nonregenerative nonlinear processing", Proc. 16th Inst. Congress Acoust., pp. 2537-38 (1998).
  • J. W. Beauchamp, "Methods for measurement and manipulation of timbral physical correlates", Proc. 16th Int. Congress Acoust., Seattle, WA, pp. 1883-84 (1998).
  • J. W. Beauchamp, R. C. Maher, and R. Brown, "Detection of Musical Pitch from Recorded Solo Performances, Audio Eng. Soc. Preprint No. 3541, pp. 1-15 (1993).

Honors

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