Theory and Practice of Modified Frequency Modulation Synthesis


Lazzarini, Victor and Timoney, Joseph (2010) Theory and Practice of Modified Frequency Modulation Synthesis. Journal of the Audio Engineering Society, 58 (6). ISSN 1549-4950

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Abstract

The theory and applications of a variant of the well-known synthesis method of frequency modulation, modified frequency modulation (ModFM), is discussed. The technique addresses some of the shortcomings of classic FM and provides a more smoothly evolving spectrum with respect to variations in the modulation index. A complete description of the method is provided, discussing its characteristics and practical considerations of instrument design. A phase synchronous version of ModFM is presented and its applications on resonant and formant synthesis are explored. Extensions to the technique are introduced, providing means of changing spectral envelope symmetry. Finally its applications as an adaptive effect are discussed. Sound examples for the various applications of the technique are offered online.

Item Type: Article
Keywords: Theory; Practice; Modified Frequency; Modulation Synthesis;
Academic Unit: Faculty of Arts,Celtic Studies and Philosophy > Music
Faculty of Science and Engineering > Computer Science
Item ID: 4697
Depositing User: Dr Victor Lazzarini
Date Deposited: 14 Jan 2014 17:33
Journal or Publication Title: Journal of the Audio Engineering Society
Publisher: Audio Engineering Society
Refereed: Yes
URI:

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