- Central ROS2 TTS node using Piper (offline ONNX speech synthesis)
- Subscribe to /saltybot/tts_request (String messages) for TTS requests
- Priority queue management with interrupt capability
- Audio output to Jabra device via ALSA/PulseAudio
- Configurable voice, speed, pitch, and volume parameters
- Publish /saltybot/tts_state (idle/synthesizing/playing) for status tracking
- Preload Piper model on startup for faster synthesis
- Queue management with configurable max size (default 16)
- Non-blocking async playback via worker thread
- Complete ROS2 package with launch file and tests
sl-mechanical
9e3e586fca