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Spectrally rich phase distortion sound synthesis using an allpass filter

Timoney, Joseph and Lazzarini, Victor and Pekonen, Jussi and Välimäki, Vesa (2009) Spectrally rich phase distortion sound synthesis using an allpass filter. Acoustics, Speech and Signal Processing, 2009. ICASSP 2009. IEEE International Conference on . pp. 293-296. ISSN 1520-6149

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Abstract

This paper examines a recently introduced technique for sound synthesis that uses a coefficient modulated allpass filter to cause phase modifications to its input signal. The intention in this work is to outline some of the properties of the coefficient modulated allpass filter and then to establish a connection between this new method and the older technique of Phase Distortion. Results are presented to demonstrate how the allpass technique provides a spectrally richer output signal.

Item Type: Article
Additional Information: This work has been partly funded by the Academy of Finland (projects no. 122815 and 126310).
Keywords: acoustic signal processing; all-pass filters; Acoustic signal processing; audio oscillators; signal synthesis;
Subjects: Science & Engineering > Computer Science
Arts, Celtic Studies & Philosophy > Music
Item ID: 2336
Identification Number: DOI: 10.1109/ICASSP.2009.4959578
Depositing User: Dr Victor Lazzarini
Date Deposited: 12 Jan 2011 16:18
Journal or Publication Title: Acoustics, Speech and Signal Processing, 2009. ICASSP 2009. IEEE International Conference on
Publisher: IEEE
Refereed: Yes
URI:

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