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A Reverberator with Two-Stage Decay and Onset Time Controls

An efficient artificial reverberator having two-stage decay and onset time controls is presented. A second-order comb filter controlling the reverberator frequency-dependent decay rates and onset times drives a switched convolution with short noise sequences. In this way, a non-exponential reverberation envelope is produced by the comb filter, while the switched convolution structure produces a high echo density. Several schemes for generating two-stage decays and onset time controls with different onset characteristics in different frequency bands are described.

Authors: Abel, Jonathan S.; Lee, Keun-Sup
Affiliation: Stanford University, Stanford, CA, USA
AES Convention:129 (November 2010) Paper Number:8208 Import into BibTeX
Subject:Audio Processing

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