Analog synthesizers continue to be used by many musicians because of their distinctive timbres, intuitive real-time control and flexible patching. There has been recent interest in simulating the analog signal chain with digital techniques. However, a literal time-domain translation of analog VCOs and VCFs is surprisingly challenging. This paper presents a new strategy for digital simulation based on spectral descriptions of analog modules and additive synthesis techniques. A real-time software analog synthesizer has been implemented based on this strategy. Audio output is qualitatively close to that of analog synthesizers.

Author: Chaudhary, Amar
Affiliation: Center for New Music and Audio Technologies, University of California, Berkeley, Berkeley, CA
AES Convention: 105 (September 1998) Paper Number: 4779
Publication Date: September 1, 1998
Subject: Analysis and Synthesis of Sound

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