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In this paper, we show how to expand the class of audio circuits that can be modeled using Wave Digital Filters (WDFs) to those involving operational transconductance amplifiers (OTAs). Two types of behavioral OTA models are presented and both are shown to be compatible with the WDF approach to circuit modeling. As a case study, an envelope filter guitar effect based around OTAs is modeled using WDFs. The modeling results are shown to be accurate when to compared to state of the art circuit simulation methods.
|Title of host publication||Proceedings of the 20th International Conference on Digital Audio Effects|
|Editors||Alberto Torin, Brian Hamilton, Stefan Bilbao, Michael Newton|
|Place of Publication||Edinburgh, UK|
|Number of pages||8|
|Publication status||Published - 05 Sep 2017|
|Event||20th International Conference on Digital Audio Effects - University of Edinburgh, Edinburgh, United Kingdom|
Duration: 05 Sep 2017 → 09 Sep 2017
Conference number: 20
|Conference||20th International Conference on Digital Audio Effects|
|Period||05/09/2017 → 09/09/2017|
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