Estimation and Restoration of Unknown Nonlinear Distortion using Diffusion

Michal Švento1,2, Eloi Moliner1, Lauri Juvela1, Alec Wright3, Vesa Välimäki1

1Aalto Acoustic Lab, DICE, Aalto University, Espoo, Finland
2Department of Telecommunications, FEEC, Brno University of Technology, Czechia
3
Acoustics and Audio Group, University of Edinburgh, Edinburgh, UK

Submitted to the Journal of Audio Engineering Society, special issue “The Sound of Digital Audio Effects”

Abstract

Operator evaluation

Precision of approximating nonlinear memoryless function

Guitar evaluation

Hard/Soft clipping for guitar signals versus baselines

Speech Evaluation

Hard/Soft clipping for speech signals versus baselines