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High-quality artificial reverberators, which are well known, generally have large memory and computational costs. An alternative architecture attempts to manage quality separately for steady-state and transient signals. The proposed reverberator consists of an equalizing comb filter with an embedded convolution with a short noise sequence. To overcome the difficulty of unwanted periodicity with transients, the noise sequence is regularly updated. Several methods for updating the noise sequence, including a leaky integrator or a multiband structure are described. Informal listening tests are encouraging.
Author (s): Lee, Keun-Sup; Abel, Jonathan S.; Välimäki, Vesa; Stilson, Timothy; Berners, David P.
Affiliation:
CCRMA, Stanford University, Stanford, CA, USA; Dept. of Signal Processing and Acoustics, Aalto University, Aalto, Espoo, Finland; Universal Audio, Inc., Santa Cruz, CA, USA
(See document for exact affiliation information.)
Publication Date:
2012-04-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=16216
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Lee, Keun-Sup; Abel, Jonathan S.; Välimäki, Vesa; Stilson, Timothy; Berners, David P.; 2012; The Switched Convolution Reverberator [PDF]; CCRMA, Stanford University, Stanford, CA, USA; Dept. of Signal Processing and Acoustics, Aalto University, Aalto, Espoo, Finland; Universal Audio, Inc., Santa Cruz, CA, USA; Paper ; Available from: https://aes2.org/publications/elibrary-page/?id=16216
Lee, Keun-Sup; Abel, Jonathan S.; Välimäki, Vesa; Stilson, Timothy; Berners, David P.; The Switched Convolution Reverberator [PDF]; CCRMA, Stanford University, Stanford, CA, USA; Dept. of Signal Processing and Acoustics, Aalto University, Aalto, Espoo, Finland; Universal Audio, Inc., Santa Cruz, CA, USA; Paper ; 2012 Available: https://aes2.org/publications/elibrary-page/?id=16216
@article{lee2012the,
author={lee keun-sup and abel jonathan s. and välimäki vesa and stilson timothy and berners david p.},
journal={journal of the audio engineering society},
title={the switched convolution reverberator},
year={2012},
volume={60},
issue={4},
pages={227-236},
month={may},}