The official implementation of the Interspeech 2021 paper WSRGlow: A Glow-based Waveform Generative Model for Audio Super-Resolution.

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Deep LearningWSRGlow
Overview

WSRGlow

The official implementation of the Interspeech 2021 paper WSRGlow: A Glow-based Waveform Generative Model for Audio Super-Resolution. Audio samples can be found here.

Feel free to create issues or send an email to [email protected] if you have problems running the code.

Before running the code, you need to install the dependicies by pip install -r requirements.txt.

The configs for model architecture and training scheme is saved in config.yaml. You can overwrite some of the attributes by adding the --hparams flag when running a command. The general way to run a python script is

python $SRC$ --config $CONFIG$ --hparams $KEY1$=$VALUE1$,$KEY2$=$VALUE2$,...

See hparams.py for more details.

To prepare data

Before training, you need to binarize the data first. The raw wav files should be put in the hparams['raw_data_path']. The binarized data would be put in the hparams['binary_data_path'].

Specifically, for the VCTK corpus, the file structure should be like

.
|--data
    |--raw
        |--VCTK-Corpus
            |--wav48
                |--$WAVS
|--checkpoints
    |--wsrglow
    

where the model checkpoints are in checkpoints/wsrglow.

The command to binarize is

python binarizer.py --config config.yaml

To modify the architecture of the model

The current WSRGlow model in model.py is designed for x4 super-resolution and takes waveform, spectrogram and phase information as input.

To train

Run python train.py --config config.yaml on a GPU.

To infer

Change the code in infer.py to specify the checkpoint you want to load and the sample inputs you want to use for inference. Run python infer.py --config config.yaml on a GPU, modify the code for the correct path of checkpoints and wav files.

Owner
Kexun Zhang
Interested in linguistics. Former participant in programming contests.
Kexun Zhang
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