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.
Lee, Keun-Sup; Abel, Jonathan S.; Välimäki, Vesa; Stilson, Timothy; Berners, David P.
Affiliations: 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.)
JAES Volume 60 Issue 4 pp. 227-236; April 2012
Publication Date: May 15, 2012
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