Digital signal processor for providing timbral change in arbitra

Details Digital signal processor for providing timbral change in arbitra Digital signal processor for providing timbral change in arbitra

1988-01-07

1989-09-19

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

84622, H03G 500

Patent

active

048688690

ABSTRACT:
An audio signal processor in which the harmonic content of the output signal varies with the amplitude of the input signal. The preferred embodiment includes an analog to digital converter, a sample and hold circuit, timing circuits, a RAM look-up table for performing non-linear transformation, a digital to analog converter and a post filter from which processed analog audio is output.

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"Turbosynth" (Software by Digidesign.
Advertisement for Fairlight CMI in Computer Music Journal, vol. 3, No. 4, Dec. 1979.
Chamberlin, Musical Applications of Microprocessor, 1980, p. 344, FIG. 12-1.
Journal of Audio Engineering Society by Marc LeBrun & Daniel Arfib; V.27, #4 & V. 27 #10.
Computer Music Journal V.3, #3 Sep. 1979 James Beauchamp.
Journal of Audio Engineering Society by Richard Schaefer, '70 and '71 V. 18, #4 and V. 19, #7.

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