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

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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.

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Computer Science [cs] Computer Science [cs] Signal and Image Processing Computer Science [cs] Web Computer Science [cs] Multimedia [cs.MM]
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Submitted on : Thursday, December 24, 2020-11:46:08 AM

Last modification on : Thursday, August 4, 2022-4:55:02 PM

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hal-03087768 , version 1 (24-12-2020)

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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-20 - Second International FAUST Conference, GRAME, Lyon, Dec 2020, Saint-Denis / Virtual, France. ⟨10.13140/RG.2.2.23416.11521⟩. ⟨hal-03087768⟩

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CNRS INRIA I3S WIMMICS INRIA2 UNIV-COTEDAZUR ANR FAUST
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