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istft-avocodo-pytorch's Introduction

iSTFT Avocodo Vocoder

iSTFT's generator and Avocodo's discriminators. Use faster branch for ultra fast training and inference compared to original hifi-gan.

Training :

python train.py --config config_v1.json

Notes :

  • Two of iSTFT Generator version can be used with Avocodo discriminaators.
  • Losses should similar to HiFi-GAN.
  • faster branch of this repo is 50 % speed up (0.33 s/b) in training and 60 % improvement in inference speed.
  • Quality is not as good as Avocodo and ISTFTNet.

References :

Citations :

@inproceedings{kaneko2022istftnet,
title={{iSTFTNet}: Fast and Lightweight Mel-Spectrogram Vocoder Incorporating Inverse Short-Time Fourier Transform},
author={Takuhiro Kaneko and Kou Tanaka and Hirokazu Kameoka and Shogo Seki},
booktitle={ICASSP},
year={2022},
}
@misc{https://doi.org/10.48550/arxiv.2206.13404,
  doi = {10.48550/ARXIV.2206.13404},
  
  url = {https://arxiv.org/abs/2206.13404},
  
  author = {Bak, Taejun and Lee, Junmo and Bae, Hanbin and Yang, Jinhyeok and Bae, Jae-Sung and Joo, Young-Sun},
  
  keywords = {Audio and Speech Processing (eess.AS), Artificial Intelligence (cs.AI), Sound (cs.SD), FOS: Electrical engineering, electronic engineering, information engineering, FOS: Electrical engineering, electronic engineering, information engineering, FOS: Computer and information sciences, FOS: Computer and information sciences},
  
  title = {Avocodo: Generative Adversarial Network for Artifact-free Vocoder},
  
  publisher = {arXiv},
  
  year = {2022},
  
  copyright = {arXiv.org perpetual, non-exclusive license}
}

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pranjalya avatar rishikksh20 avatar

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istft-avocodo-pytorch's Issues

Ideas about why the quality isn't as good?

Thanks for this repo - and for all your other excellent work! It is very appreciated. This seems like a very reasonable idea to combine the generator from iSTFT-net and the discriminators from Avocado. But then in your notes you say "Quality is not as good as Avocodo and ISTFTNet." - how much worse was it, and do you have any ideas about why the quality is not as good?

inference speedup

Hi, thanks to the implement. How to add PQMF module in Generator(istftnet) to realize inference speedup? thx!

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