Comparative Study of Recurrent Neural Networks for Virtual Analog Audio Effects Modeling

This page includes of audio examples for the article Simionato R., Fasciani S.,  Comparative Study of Recurrent Neural Networks for Virtual Analog Audio Effects Modeling, submitted to EURASIP, 2024

 

 

Associated code, dataset, and trained models are available on GitHub.

 

Examples are available for the following datasets:

 

Each example includes the following:

  • Input Audio Signal
  • Target Output Audio Signal (true output recorded from the device)
  • Predicted Output Audio Signal (generated by the inference of the trained model) for each recurrent model
  • Spectrograms of Target and Predicted Output Audio Signals

The examples refer to four recurrent model, whose architectures are explained in the paper:

  • LSTM
  • LSTM-ED
  • LRU
  • S4D

The title of the waveform plot details the control parameters, that ranges between 0 (min) and 1 (max).

 

OD300 Overdrive Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)


Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)


Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)


Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)


Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Neutron’s Overdrive Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Pultec Equalizer Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)


Neutron’s Low-Pass Filter Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Helper Saturator Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)




BBD Saturation Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



CL 1B Compressor Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



LA-2A Compressor Examples

Input

Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



Target

Prediction (LSTM)

Prediction (LSTM-ED)

Prediction (LRU)

Prediction (S4D)



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