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SampleRNN_torch

A Torch implementation of SampleRNN: An Unconditional End-to-End Neural Audio Generation Model.

A visual representation of the SampleRNN architecture

Samples

Listen to a selection of generated output at the following links:

Feel free to submit links to any interesting output you generate or dataset creation scripts as a pull request.

Dependencies

The following packages are required to run SampleRNN_torch:

  • nn
  • cunn
  • cudnn
  • rnn
  • optim
  • audio
  • xlua
  • gnuplot

NOTE: Update nn and cudnn even if they were already installed as fixes have been submitted which affect this project.

Datasets

To retrieve and prepare the piano dataset, as used in the reference implementation, run:

cd datasets/piano/
./create_dataset.sh

Other dataset preparation scripts may be found under datasets/.

Custom datasets may be created by using scripts/generate_dataset.lua to slice multiple audio files into segments for training, audio must be placed in datasets/[dataset]/data/.

Training

To start a training session run th train.lua -dataset piano. To view a description of all accepted arguments run th train.lua -help.

To view the progress of training run th generate_plots, the loss and gradient norm curve will be saved in sessions/[session]/plots/.

Sampling

By default samples are generated at the end of every training epoch but they can also be generated separately using th train.lua -generate_samples with the session parameter to specify the model.

Multiple samples are generated in batch mode for efficiency, however generating a single audio sample is faster with th fast_sample.lua. See -help for a description of the arguments.

Models

A pretrained model of the piano dataset is available here. Download and copy it into your sessions/ directory and then extract it in place.

More models will be uploaded soon.

Theano version

This code is based on the reference implementation in Theano.

https://github.com/soroushmehr/sampleRNN_ICLR2017

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Torch implementation of SampleRNN: An Unconditional End-to-End Neural Audio Generation Model

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