This paper presents a comparison between existing digital subharmonic generators and a new algorithm developed with the intention of having a more pronounced subharmonic frequency and reduced harmonic, intermodulation and aliasing distortions. The paper demonstrates that by introducing inversions of a waveform at the minima and maxima instead of the zero crossings, the discontinuities are mitigated and various types of distortion are significantly attenuated.

Authors: Baracskai, Zlatko; Ryan Stables
Affiliations: Birmingham City University, Birmingham, UK; University of Birmingham, Birmingham, UK(See document for exact affiliation information.)
AES Convention: 128 (May 2010) Paper Number: 8036
Publication Date: May 1, 2010
Subject: Audio Processing—Analysis and Synthesis of Sound

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