Time-variant index and amplitude parameters for a computer model are calculated by matching the instantaneous spectral center ("brightness") of a synthetic tone and minimizing the rms error with respect to an original tone. Synthesis accuracy is gauged by measuring the difference between the spectra of the original synthetic tones and by listening tests. Nonlinear and FM synthesis models are compared by means of graphics and taped examples.

Author: Beauchamp, James W.
Affiliation: University of Illinois at Urbana-Champaign, Urbana, IL
AES Convention: 69 (May 1981) Paper Number: 1787
Publication Date: May 1, 1981

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