MURAL - Maynooth University Research Archive Library

    Vector Phase Shaping Synthesis

    Kleimola, Jari and Lazzarini, Victor and Timoney, Joseph and Valimaki, Vesa (2011) Vector Phase Shaping Synthesis. In: Proc. of the 14th Int. Conference on Digital Audio Effects (DAFx-11), September 19-23, Paris, France.

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    This paper introduces the Vector Phaseshaping (VPS) synthesis technique, which extends the classic Phase Distortion method by providing a flexible method to distort the phase of a sinusoidal oscillator. This is done by describing the phase distortion function using one or more breakpoint vectors, which are then manipulated in two dimensions to produce waveshape modulation at control and audio rates. The synthesis parameters and their effects are explained, and the spectral description of the method is derived. Certain synthesis parameter combinations result in audible aliasing, which can be suppressed with a novel aliasing suppression algorithm described in the paper. The extension is capable of producing a variety of interesting harmonic and inharmonic spectra, including for instance, formant peaks, while the two-dimensional form of the control parameters is expressive and well suited for interactive applications.

    Item Type: Conference or Workshop Item (Paper)
    Keywords: Vector; Phase Shaping; Synthesis;
    Academic Unit: Faculty of Arts,Celtic Studies and Philosophy > Music
    Faculty of Science and Engineering > Computer Science
    Item ID: 4096
    Depositing User: Joseph Timoney
    Date Deposited: 24 Jan 2013 14:32
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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