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Piper TTS

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Fast, local neural text-to-speech optimized for Raspberry Pi

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Piper is a fast, local neural text-to-speech system developed by the Rhasspy team. It's optimized for devices like Raspberry Pi while delivering high-quality, natural-sounding speech.

Piper TTS screenshot

Key features include:

  • Fast Inference: Optimized for real-time synthesis even on low-power devices.
  • Many Voices: Supports multiple voices and languages out of the box.
  • Low Latency: Suitable for voice assistants and real-time applications.
  • Lightweight: Runs on Raspberry Pi 4 with excellent performance.
  • ONNX Runtime: Uses efficient ONNX models for fast inference.

From tested open-source TTS applications, Piper produces the most natural sounding speech.

Frequently Asked Questions

What is Piper TTS?

Fast, local neural text-to-speech optimized for Raspberry Pi Piper is a fast, local neural text-to-speech system developed by the Rhasspy team. It's optimized for devices like Raspberry Pi while delivering high-quality, natural-sounding speech. Key features in...

Is Piper TTS free?

Yes, Piper TTS is completely free to use. It's also open source.

Does Piper TTS work offline?

Yes, Piper TTS works 100% offline once installed.

What platforms does Piper TTS support?

Piper TTS is available for Windows, macOS, Linux.

Stats

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Last commit5 months ago
Self-hostedYes
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Requirements

Platforms
windows
macos
linux
Offline capable
Yes
Minimum RAM2 GB
GPU requiredNo