Include MelGAN, HifiGAN and Multiband-HifiGAN, maybe NHV in the future.

Last update: Dec 16, 2022

Related tags

Text Data & NLP FastVocoder

Overview

Fast (GAN Based Neural) Vocoder

Chinese README

Todo

Submit demo
Support NHV

Discription

Include MelGAN, HifiGAN and Multiband-HifiGAN, maybe include NHV in the future. Developed on BiaoBei dataset, you can modify conf and hparams.py to fit your own dataset and model.

Usage

Prepare data
- write path of wav data in a file, for example: cd dataset && python3 biaobei.py
- bash preprocess.sh <wav path file> <path to save processed data> dataset/audio dataset/mel
- for example: bash preprocess.sh dataset/BZNSYP.txt processed dataset/audio dataset/mel

Train

command:

bash train.sh \
    <GPU ids> \
    /path/to/audio/train \
    /path/to/audio/valid \
    /path/to/mel/train \
    /path/to/mel/valid \
    <model name> \
    <if multi band> \
    <if use scheduler> \
    <path to configuration file>

for example:

bash train.sh \
0 \
dataset/audio/train \
dataset/audio/valid \
dataset/mel/train \
dataset/mel/valid \
hifigan \
0 0 0 \
conf/hifigan/light.yaml

Train from checkpoint

command:

bash train.sh \
    <GPU ids> \
    /path/to/audio/train \
    /path/to/audio/valid \
    /path/to/mel/train \
    /path/to/mel/valid \
    <model name> \
    <if multi band> \
    <if use scheduler> \
    <path to configuration file> \
    /path/to/checkpoint \
    <step of checkpoint>

Synthesize

command:

bash synthesize.sh \
    /path/to/checkpoint \
    /path/to/mel \
    /path/for/saving/wav \
    <model name> \
    /path/to/configuration/file

Acknowledgments

Comments

why set the L=30 ?

hello，I have some question， in the paper ，the shape of basis matrix is [32, 256] , but in the code ,the shape is [30, 256] . And according to the function "overlap_and_add" , output_size = (frames - 1) * frame_step + frame_length, if the L=30, I think it cannot match the real wave length ? for example, hop_len=256, mel.shape=[80, 140] , theoretically the output wave length is 140*256=35840. according to the code, the output wave length is 33600.

Thanks in advance.

opened by yingfenging 3
Link to Basis-MelGAN paper?

Hi Zhengxi, congrats on your paper's acceptance on Interspeech 2021!

I got pretty interested in your paper while reading the abstract of Basis-MelGAN on the README, but I could not find any link to the paper. Though the Interspeech conference is only 2 months away, don't you have any plans on publishing the paper on arXiv in near future?

opened by seungwonpark 2
Random start index in WeightDataset

At this line: https://github.com/xcmyz/FastVocoder/blob/a9af370be896b1096e746ce6489fb16fef8ca585/data/dataset.py#L97

If the input mel size smaller than fix-length, the random raise issue, I have try except to pass these short audios, but I just wonder it is handle in collate.

More than that, the segment size as I found in hifigan is 32, but in basic-melgan it (fix-length) is set to 140. Are there any difference between the 140 for biaobei and the one for LJspeech

opened by v-nhandt21 0
can basis-melgan be used as unversial vocoder?

I tried it for a single speaker dataset, rtf surprises me. Have you ever use basis-melgan for a multi-speaker dataset, or is it suitable for unseen speaker tts synthesis?

opened by mayfool 0
Shape mismatch error on new dataset
Hi, thanks for your work!

The frame rate of my dataset is 22050, and hop size of text2mel model is 256. I have changed hparams.py accordingly, but training results in an expcetion: (preprocessing was fine, anyway)

File "/home/user/speechlab/FastVocoder-main/model/loss/loss.py", line 23, in forward assert est_source_sub_band.size(1) == wav_sub_band.size(1)

I figured out that model inference still uses hop-size of 240. So how to make your code fully compatible with other datasets? it seems that the codes are somehow hardcoded for Biaobei dataset.
opened by tekinek 1
Multiband Architecture

Hi author, I have found the notes as "the generated audio has interference at a specific frequency" in this repo. I have encountered with the straight line at a specific frequency when developing similar multiband architecture, and I wonder if such phenomenon is the one you mentioned? And do you have some advice or solutions? Thanks.
help wanted

opened by Rongjiehuang 6

Releases(v1.0)

v1.0(Jun 24, 2021)

Source code(tar.gz)
Source code(zip)
basis.melgan.pt(53.36 MB)

Owner

Zhengxi Liu (刘正曦)

Interested in high performance neural vocoder and expressive TTS acoustic model. Member of DeepMist and developed MistGPU.

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