# Third-Party Licenses

## Mycroft Precise

- **License:** Apache 2.0
- **Source:** https://github.com/MycroftAI/mycroft-precise
- **Usage:** Wake word detection engine. Downloaded at setup time; not bundled in this repo.
- **Note:** If you distribute a packaged Minerva build that includes the `precise-engine` binary, you must include the Apache 2.0 NOTICE file from the Mycroft Precise repository.

## OpenAI Whisper

- **License:** MIT
- **Source:** https://github.com/openai/whisper
- **Usage:** Speech-to-text inference.

## Piper TTS

- **License:** MIT
- **Source:** https://github.com/rhasspy/piper
- **Usage:** Text-to-speech synthesis.

## pyannote.audio

- **License:** MIT (model weights require separate HuggingFace user agreement)
- **Source:** https://github.com/pyannote/pyannote-audio
- **Usage:** Speaker identification and diarization (optional, in `voice_server_enhanced.py`).
- **Note:** To use speaker identification you must accept pyannote's terms on HuggingFace
  and provide your own `HF_TOKEN`. Minerva does not distribute pyannote model weights.

## MaixPy / K210 Firmware

- **License:** Apache 2.0 (MaixPy); some Kendryte/Sipeed components are proprietary.
- **Source:** https://github.com/sipeed/MaixPy
- **Usage:** MicroPython firmware for Maix Duino (K210) edge devices.
- **Note:** Firmware is NOT included in this repository. Obtain directly from Sipeed:
  https://dl.sipeed.com/MAIX/MaixPy/release/