FDNTB: The Feedback Delay Network Toolbox

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Abstract

Feedback delay networks (FDNs) are recursive filters, which are widely used for artificial reverberation and decorrelation. While there exists a vast literature on a wide variety of reverb topologies, this work aims to provide a unifying framework to design and analyze delay-based reverberators. To this end, we present the Feedback Delay Network Toolbox (FDNTB), a collection of the MATLAB functions and example scripts. The FDNTB includes various representations of FDNs and corresponding translation functions. Further, it provides a selection of special feedback matrices, topologies, and attenuation filters. In particular, more advanced algorithms such as modal decomposition, time-varying matrices, and filter feedback matrices are readily accessible. Furthermore, our toolbox contains several additional FDN designs. Providing MATLAB code under a GNU-GPL 3.0 license and including illustrative examples, we aim to foster research and education in the field of audio processing.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Digital Audio Effects
Pages211-218
Number of pages8
Publication statusPublished - 2020
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Digital Audio Effects - Virtual (Initially Vienna), Vienna, Austria
Duration: 9 Sep 202011 Sep 2020
Conference number: 23
https://dafx2020.mdw.ac.at/eDAFx2020/index.html
https://dafx2020.mdw.ac.at/

Publication series

NameProceedings of the International Conference on Digital Audio Effects
ISSN (Electronic)2413-6689

Conference

ConferenceInternational Conference on Digital Audio Effects
Abbreviated titleDAFx
CountryAustria
CityVienna
Period09/09/202011/09/2020
Internet address

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