@article{knowledgeanddatadrivenamplitudespectrum,
  title = {Knowledge-and-Data-Driven Amplitude Spectrum Prediction for Hierarchical Neural Vocoders},
  year = {2020},
  eprint = {2004.07832},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/2004.07832v2},
}