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Deep Learning for Tube Amplifier Emulation

Abstract: 

Analog audio effects and synthesizers often owe their distinct sound to circuit nonlinearities. Faithfully modeling such significant aspect of the original sound in virtual analog software can prove challenging. The current work proposes a generic data-driven approach to virtual analog modeling and applies it to the Fender Bassman 56F-A vacuum-tube amplifier. Specifically, a feedforward variant of the WaveNet deep neural network is trained to carry out a regression on audio waveform samples from input to output of a SPICE model of the tube amplifier. The output signals are pre-emphasized to assist the model at learning the high-frequency content. The results of a listening test suggest that the proposed model accurately emulates the reference device. In particular, the model responds to user control changes, and faithfully restitutes the range of sonic characteristics found across the configurations of the original device.

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Paper Details

Authors:
Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki
Submitted On:
9 May 2019 - 6:31am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Eero-Pekka Damskagg
Paper Code:
3067
Document Year:
2019
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Document Files

poster_icassp19_deep_learning_for_tube_amplifier_emulation.pdf

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[1] Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki, "Deep Learning for Tube Amplifier Emulation", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4186. Accessed: Aug. 25, 2019.
@article{4186-19,
url = {http://sigport.org/4186},
author = {Eero-Pekka Damskägg; Lauri Juvela; Etienne Thuillier; Vesa Valimaki },
publisher = {IEEE SigPort},
title = {Deep Learning for Tube Amplifier Emulation},
year = {2019} }
TY - EJOUR
T1 - Deep Learning for Tube Amplifier Emulation
AU - Eero-Pekka Damskägg; Lauri Juvela; Etienne Thuillier; Vesa Valimaki
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4186
ER -
Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki. (2019). Deep Learning for Tube Amplifier Emulation. IEEE SigPort. http://sigport.org/4186
Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki, 2019. Deep Learning for Tube Amplifier Emulation. Available at: http://sigport.org/4186.
Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki. (2019). "Deep Learning for Tube Amplifier Emulation." Web.
1. Eero-Pekka Damskägg, Lauri Juvela, Etienne Thuillier, Vesa Valimaki. Deep Learning for Tube Amplifier Emulation [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4186