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Improve user turn stop timing by triggering timeout from VAD stop

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Refactor TranscriptionUserTurnStopStrategy and TurnAnalyzerUserTurnStopStrategy
to use VADUserStoppedSpeakingFrame as the ground truth for when speech ended,
rather than triggering timeouts from transcription frames.
This commit is contained in:
Mark Backman
2026-02-03 22:32:34 -05:00
parent 05e2a013b3
commit 34b068d657
47 changed files with 933 additions and 292 deletions
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changelog/3637.added.md Normal file
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- Added `STTMetadataFrame` to broadcast STT service latency information at pipeline start.
- STT services broadcast P99 time-to-final-segment (`ttfs_p99_latency`) to downstream processors
- Turn stop strategies automatically configure their STT timeout from this metadata
- Developers can override `ttfs_p99_latency` via constructor argument for custom deployments
- Added measured P99 values for STT providers.
- See [stt-benchmark](https://github.com/pipecat-ai/stt-benchmark) to measure latency for your configuration