A Reverberator with Two-Stage Decay and Onset Time Controls

TitleA Reverberator with Two-Stage Decay and Onset Time Controls
Publication TypeConference Paper
Year of Publication2010
AuthorsLee, K S., and J. S. Abel
Conference Name129th Audio Engineering Society Convention
Date Published11/2010
Conference LocationSan Francisco, CA, USA
Keywordsartificial reverberator
Abstract 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.
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