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Comb Filters

Comb filters are basic building blocks for digital audio effects. The acoustic echo simulation in Fig.2.9 is one instance of a comb filter. This section presents the two basic comb-filter types, feedforward and feedback, and gives a frequency-response analysis.



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``Physical Audio Signal Processing'', by Julius O. Smith III, W3K Publishing, 2010, ISBN 978-0-9745607-2-4.
Copyright © 2015-05-22 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
CCRMA