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v0.3.103

chenglou/pretextv0.3.103Apr 19, 2025by KoljaB

AI Summary

A major update to RealtimeSTT featuring thread-safe IPC, audio normalization, and an overhaul of event callbacks to run asynchronously.

Key Highlights

  • Thread-safe IPC using `SafePipe`
  • Audio normalization option
  • Asynchronous event callbacks
  • New VAD and wake-word backend configurations

New Features

  • Thread-safe IPC (SafePipe)
  • Audio normalization
  • Asynchronous event callbacks
  • Wake word & VAD backend configuration
  • Rich metadata with nanosecond timestamps
  • CLI enhancements for VAD and debugging

Full Release Notes

# RealtimeSTT 0.3.103

### Features & Improvements
- **Thread‑safe IPC**: Introduce `SafePipe` to replace `mp.Pipe`, hopefully ensuring robust inter-process communication (needs more tests).
- **Audio normalization**: New `normalize_audio` option scales input to –0.95 dBFS for consistent transcription quality.
- **Callback overhaul**: All event callbacks (VAD, wake‑word, turn detection, recording, realtime updates) now run asynchronously via helper threads.
- **Wake word & VAD**: Add `wakeword_backend` config and `faster_whisper_vad_filter` flag; improved error messages when misconfigured.
- **Rich metadata**: Embed nanosecond‑precision timestamps in both client and server, serialized as formatted strings.
- **CLI enhancements**: `--faster_whisper_vad_filter` and `--debug_websockets` flags give finer control over server behavior.
- **Testing updates**: Adjusted parameters in `realtimestt_test` and added a new `type_into_textbox.py` example.