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Abstract
Wave Digital Filters (WDF) are a popular approach for virtual analog modeling. They provide a computationally effi- cient way to simulate lumped physical systems with well-studied numerical properties. Recent work by Werner et al. enables the use of WDFs to model systems with complicated topologies and multiple/multiport nonlinearities, to a degree not previously known.
We present an efficient, portable, modular, and open-source C++ library for real time Wave Digital Filter modeling: RT-WDF. The library allows a WDF to be specified in an object-oriented tree with the same structure as a WDF tree and implements the most recent advances in the field. We give an architectural overview and introduce the main concepts of operation on three separate case studies: a switchable attenuator, the Bassman tone stack, and a common-cathode triode amplifier. It is further shown how to expand the existent set of non-linear models to encourage custom extensions.
We present an efficient, portable, modular, and open-source C++ library for real time Wave Digital Filter modeling: RT-WDF. The library allows a WDF to be specified in an object-oriented tree with the same structure as a WDF tree and implements the most recent advances in the field. We give an architectural overview and introduce the main concepts of operation on three separate case studies: a switchable attenuator, the Bassman tone stack, and a common-cathode triode amplifier. It is further shown how to expand the existent set of non-linear models to encourage custom extensions.
Original language | English |
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Title of host publication | Proceedings of the 19th International Conference on Digital Audio Effects |
Editors | Pavel Rajmic, František Rund, Jiří Schimmel |
Place of Publication | Brno, Czech Republic |
Publisher | DAFx |
Pages | 287–294 |
Number of pages | 8 |
Publication status | Published - 05 Sept 2016 |
Externally published | Yes |
Event | 19th International Conference on Digital Audio Effects - Brno, Czech Republic Duration: 05 Sept 2016 → 09 Sept 2016 |
Publication series
Name | DAFx Proceedings |
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Publisher | DAFx |
ISSN (Print) | 2413-6700 |
ISSN (Electronic) | 2413-6689 |
Conference
Conference | 19th International Conference on Digital Audio Effects |
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Abbreviated title | DAFx-16 |
Country/Territory | Czech Republic |
City | Brno |
Period | 05/09/2016 → 09/09/2016 |
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Dive into the research topics of 'RT-WDF—A Modular Wave Digital Filter Library with Support for Arbitrary Topologies and Multiple Nonlinearities'. Together they form a unique fingerprint.Activities
- 1 Participation in conference
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19th International Conference on Digital Audio Effects
Werner, K. (Participant)
05 Sept 2016 → 09 Sept 2016Activity: Participating in or organising an event types › Participation in conference