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
Publication Date:
November 4, 2010
Subject:
Audio Processing
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