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v0.3.103

Mail-0/Zerov0.3.103Apr 19, 2025by KoljaB

AI Summary

A major overhaul focusing on thread-safe inter-process communication, audio normalization, and asynchronous event handling.

Key Highlights

  • Introduced thread-safe IPC using `SafePipe`
  • Added audio normalization to scale input to -0.95 dBFS
  • Overhauled callbacks to run asynchronously via helper threads
  • Added `wakeword_backend` config and `faster_whisper_vad_filter` flag
  • Added nanosecond-precision metadata

Breaking Changes

  • Replaced `mp.Pipe` with `SafePipe` for IPC

New Features

  • Thread-safe IPC (SafePipe)
  • Audio normalization
  • Asynchronous callbacks
  • Wake word backend configuration
  • Rich metadata

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.