A solid-state device has been constructed which generates an audio tone completely defined by its fundamental frequency, the amplitudes of its first six harmonics and second harmonic phase-shift. These parameters are controlled independently by external DC voltages. Hence, properties of musical tones, such as pitch, envelope, and timbre can be accurately programmed to produce a large variety of musical sounds.

Author: Beauchamp, James W.
Affiliation: School of Music, University of Illinois, Urbana, IL
AES Convention: 16 (October 1964) Paper Number: 323
Publication Date: October 1, 1964

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