Phonetic PosteriorGram (PPG)-Based Voice Conversion (VC)

Related tags

Deep Learningppg-vc
Overview

ppg-vc

Phonetic PosteriorGram (PPG)-Based Voice Conversion (VC)

This repo implements different kinds of PPG-based VC models. Pretrained models. More models are on the way.

Notes:

  • The PPG model provided in conformer_ppg_model is based on Hybrid CTC-Attention phoneme recognizer, trained with LibriSpeech (960hrs). PPGs have frame-shift of 10 ms, with dimensionality of 144. This modelis very much similar to the one used in this paper.

  • This repo uses HifiGAN V1 as the vocoder model, sampling rate of synthesized audio is 24kHz.

Highlights

  • Any-to-many VC
  • Any-to-Any VC (a.k.a. few/one-shot VC)

How to use

Data preprocessing

  • Please run 1_compute_ctc_att_bnf.py to compute PPG features.
  • Please run 2_compute_f0.py to compute fundamental frequency.
  • Please run 3_compute_spk_dvecs.py to compute speaker d-vectors.

Training

  • Please refer to run.sh

Conversion

  • Plesae refer to test.sh

TODO

  • Upload pretraind models.

Citations

@ARTICLE{liu2021any,
  author={Liu, Songxiang and Cao, Yuewen and Wang, Disong and Wu, Xixin and Liu, Xunying and Meng, Helen},
  journal={IEEE/ACM Transactions on Audio, Speech, and Language Processing}, 
  title={Any-to-Many Voice Conversion With Location-Relative Sequence-to-Sequence Modeling}, 
  year={2021},
  volume={29},
  number={},
  pages={1717-1728},
  doi={10.1109/TASLP.2021.3076867}
}

@inproceedings{Liu2018,
  author={Songxiang Liu and Jinghua Zhong and Lifa Sun and Xixin Wu and Xunying Liu and Helen Meng},
  title={Voice Conversion Across Arbitrary Speakers Based on a Single Target-Speaker Utterance},
  year=2018,
  booktitle={Proc. Interspeech 2018},
  pages={496--500},
  doi={10.21437/Interspeech.2018-1504},
  url={http://dx.doi.org/10.21437/Interspeech.2018-1504}
}
Owner
Liu Songxiang
Spoken language processing
Liu Songxiang
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