piper-tts-training
Piper TTS Voice Training
Train custom text-to-speech voices compatible with Piper's lightweight ONNX runtime.
Overview
Piper produces fast, offline TTS suitable for embedded devices. Training involves:
- Corpus preparation (text covering phonetic range)
- Audio generation or recording
- Quality validation via Whisper transcription
- Fine-tuning from existing checkpoint (recommended) or training from scratch
- ONNX export for deployment
Fine-tuning vs from-scratch:
- Fine-tuning: ~1,300 phrases + 1,000 epochs (days on modest GPU)
- From scratch: ~13,000+ phrases + 2,000+ epochs (weeks/months)
Workflow
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