Feedback Amplitude Modulation Synthesis

Kleimola, Jari and Lazzarini, Victor and Valimaki, Vesa and Timoney, Joseph (2011) Feedback Amplitude Modulation Synthesis. EURASIP Journal on Advances in Signal Processing (434378). ISSN 1687-6172

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A recently rediscovered sound synthesis method, which is based on feedback amplitude modulation (FBAM), is investigated. The FBAM system is interpreted as a periodically linear time-varying digital filter, and its stability, aliasing, and scaling properties are considered. Several novel variations of the basic system are derived and analyzed. Separation of the input and the modulation signals in FBAM structures is proposed which helps to create modular sound synthesis and digital audio effects applications. The FBAM is shown to be a powerful and versatile sound synthesis principle, which has similarities to the established distortion synthesis methods, but which is also essentially different from them.

Item Type: Article
Keywords: Feedback; Amplitude; Modulation; Synthesis;
Academic Unit: Faculty of Arts,Celtic Studies and Philosophy > Music
Faculty of Science and Engineering > Computer Science
Item ID: 4193
Depositing User: Dr Victor Lazzarini
Date Deposited: 06 Feb 2013 12:30
Journal or Publication Title: EURASIP Journal on Advances in Signal Processing
Publisher: Hindawi Publishing Corporation
Refereed: Yes

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