python/requirements.txt

# Inflect AX TTS Python SDK dependencies
# Runtime (on-device / host with AX runtime):
numpy>=1.24
# pyaxengine (PyPI package name: axengine) — NPU runtime, required for .axmodel files:
axengine>=0.1.3
# Text frontend (only needed for text -> phonemes; not for synthesize_tokens):
phonemizer>=3.0
espeakng-loader>=0.2
num2words>=0.5
# Host numeric stand-in (run export/*.onnx on a machine without NPU):
onnxruntime>=1.16