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Parallel WaveGAN implementation

Project description

Parallel WaveGAN implementation with Pytorch

This repository provides UNOFFICIAL Parallel WaveGAN implementation with Pytorch.

You can check our samples in our demo HP!

The goal of this repository is to provide the real-time neural vocoder which is compatible with ESPnet-TTS.

Source of the figure: https://arxiv.org/pdf/1910.11480.pdf

Requirements

This repository is tested on Ubuntu 16.04 with a GPU Titan V.

  • Python 3.6+
  • Cuda 10.0
  • CuDNN 7+

All of the codes are tested on Pytorch 1.0.1, 1.1, 1.2, and 1.3.

Setup

You can select the installation method from two alternatives.

A. Use pip

$ git clone https://github.com/kan-bayashi/ParallelWaveGAN.git
$ cd ParallelWaveGAN
$ pip install -e .

B. Make virtualenv

$ git clone https://github.com/kan-bayashi/ParallelWaveGAN.git
$ cd ParallelWaveGAN/tools
$ make
$ source venv/bin/activate

Run

This repository provides Kaldi-style recipes, as the same as ESPnet.
Currently, four recipes are supported.

To run the recipe, please follow the below instruction.

# Let us move on the recipe directory
$ cd egs/ljspeech/voc1

# Run the recipe from scratch
$ ./run.sh

# You can change config via command line
$ ./run.sh --conf <your_customized_yaml_config>

# You can select the stage to start and stop
$ ./run.sh --stage 2 --stop_stage 2

# If you want to specify the gpu
$ CUDA_VISIBLE_DEVICES=1 ./run.sh --stage 2

The integration with job schedulers such as slurm can be done via cmd.sh and conf/slurm.conf.
If you want to use it, please check this page.

All of the hyperparameters is written in a single yaml format configuration file.
Please check this example in ljspeech recipe.

The training requires ~3 days with a single GPU (TITAN V).
The speed of the training is 0.5 seconds per an iteration, in total ~ 200000 sec (= 2.31 days).
You can monitor the training progress via tensorboard.

$ tensorboard --logdir exp

The decoding speed is RTF = 0.016 with TITAN V, much faster than the real-time.

[decode]: 100%|██████████| 250/250 [00:30<00:00,  8.31it/s, RTF=0.0156]
2019-11-03 09:07:40,480 (decode:127) INFO: finished generation of 250 utterances (RTF = 0.016).

Results

You can listen to the samples and download pretrained models at our google drive.

The training is still on going. Please check the latest progress at https://github.com/kan-bayashi/ParallelWaveGAN/issues/1.

References

Acknowledgement

The author would like to thank Ryuichi Yamamoto (@r9y9) for his great repository, paper and valuable discussions.

Author

Tomoki Hayashi (@kan-bayashi)
E-mail: hayashi.tomoki<at>g.sp.m.is.nagoya-u.ac.jp

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