Blind extraction of guitar effects through blind system inversion and neural guitar effect modeling

authored by: Reemt Hinrichs, Kevin Gerkens, Alexander Lange, Jörn Ostermann
Abstract: Audio effects are an ubiquitous tool in music production due to the interesting ways in which they can shape the sound of music. Guitar effects, the subset of all audio effects focusing on guitar signals, are commonly used in popular music to shape the guitar sound to fit specific genres or to create more variety within musical compositions. Automatic extraction of guitar effects and their parameter settings, with the aim to copy a target guitar sound, has been previously investigated, where artificial neural networks first determine the effect class of a reference signal and subsequently the parameter settings. These approaches require a corresponding guitar effect implementation to be available. In general, for very close sound matching, additional research regarding effect implementations is necessary. In this work, we present a different approach to circumvent these issues. We propose blind extraction of guitar effects through a combination of blind system inversion and neural guitar effect modeling. That way, an immediately usable, blind copy of the target guitar effect is obtained. The proposed method is tested with the phaser, softclipping and slapback delay effect. Listening tests with eight subjects indicate excellent quality of the blind copies, i.e., little to no difference to the reference guitar effect.
Organisation(s): Institute of Information Processing
Type: Article
Journal: Eurasip Journal on Audio, Speech, and Music Processing
Volume: 2024
No. of pages: 17
ISSN: 1687-4714
Publication date: 07.02.2024
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Acoustics and Ultrasonics, Electrical and Electronic Engineering
Electronic version(s): https://doi.org/10.1186/s13636-024-00330-0 (Access: Open)

BibTeX

@article{f3156f0409e74dd8b16c567ab02a127c,
title = "Blind extraction of guitar effects through blind system inversion and neural guitar effect modeling",
abstract = "Audio effects are an ubiquitous tool in music production due to the interesting ways in which they can shape the sound of music. Guitar effects, the subset of all audio effects focusing on guitar signals, are commonly used in popular music to shape the guitar sound to fit specific genres or to create more variety within musical compositions. Automatic extraction of guitar effects and their parameter settings, with the aim to copy a target guitar sound, has been previously investigated, where artificial neural networks first determine the effect class of a reference signal and subsequently the parameter settings. These approaches require a corresponding guitar effect implementation to be available. In general, for very close sound matching, additional research regarding effect implementations is necessary. In this work, we present a different approach to circumvent these issues. We propose blind extraction of guitar effects through a combination of blind system inversion and neural guitar effect modeling. That way, an immediately usable, blind copy of the target guitar effect is obtained. The proposed method is tested with the phaser, softclipping and slapback delay effect. Listening tests with eight subjects indicate excellent quality of the blind copies, i.e., little to no difference to the reference guitar effect.",
keywords = "Blind system identification, Demucs, Guitar effect extraction, Neural effect modeling",
author = "Reemt Hinrichs and Kevin Gerkens and Alexander Lange and J{\"o}rn Ostermann",
note = "Funding Information: Open Access funding enabled and organized by Projekt DEAL. The research has not been funded by third parties. ",
year = "2024",
month = feb,
day = "7",
doi = "10.1186/s13636-024-00330-0",
language = "English",
volume = "2024",
journal = "Eurasip Journal on Audio, Speech, and Music Processing",
issn = "1687-4714",
publisher = "Springer Publishing Company",
number = "9",
}