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A FAUST-based re-creation of the power amp stage for WebAudio-based simulations of guitar tube amplifiers

Michel Buffa 1, 2, 3 Jerome Lebrun 1, 2
1 I3S - Laboratoire d'Informatique, Signaux, et Systèmes de Sophia Antipolis
2 UCA - Université Côte d'Azur
3 WIMMICS - Web-Instrumented Man-Machine Interactions, Communities and Semantics
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SPARKS - Scalable and Pervasive softwARe and Knowledge Systems
Abstract : In this paper, we detail our on-going browser-based re-creation of a famous tube guitar amplifier and describe the JavaScript implementation we have been developing using the WebAudio API. The tricky part of such an amplifier is the power stage (Power Amp) which contains a parametric negative feedback loop. We show the limits of the high-level WebAudio API layer, and how FAUST allows us to re-implement the Power Amp more faithfully. Finally we also compare FAUST vs JavaScript development, and mention future optimizations.
Keywords : WebAudio tube guitar amp simulations
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Conference papers
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https://hal.inria.fr/hal-03087768
Contributor : Michel Buffa <>
Submitted on : Thursday, December 24, 2020 - 11:46:08 AM
Last modification on : Tuesday, December 29, 2020 - 3:31:32 AM

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  • HAL Id : hal-03087768, version 1

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I3S | WIMMICS | UNICE | UNIV-COTEDAZUR | CNRS | INRIA

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Michel Buffa, Jerome Lebrun. A FAUST-based re-creation of the power amp stage for WebAudio-based simulations of guitar tube amplifiers. IFC 2020 - The Second International Functional Audio Stream (Faust) Conference, Dec 2020, Saint-Denis / Virtual, France. ⟨hal-03087768⟩

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