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Piper Dependencies

Piper is written in Python with some code in C++.

Piper has dependencies to the following packages:

  • piper-phonemize
  • onnxruntime
  • onnxruntime-gpu (optional)

For training Piper has these additional dependencies:

  • cython
  • librosa
  • numpy
  • pytorch-lightning
  • torch
  • espeak-ng (installed as external application)