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Merge pull request #4145 from pipecat-ai/filipi/tts_improvements_remove_reset

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TTS improvements.
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Filipi da Silva Fuchter
2026-03-27 10:24:59 -04:00
committed by GitHub
parent a45de9af7f 800fd6a916
commit 95c55ec6c3
16 changed files with 103 additions and 93 deletions
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- Fixed websocket TTS word timestamps so interrupted contexts cannot leak stale words or backward PTS values into later turns.

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changelog/4145.fixed.md Normal file
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- Fixed a race condition in `InterruptibleTTSService` where, if `run_tts` had been invoked but `BotStartedSpeakingFrame` had not yet been received, a user interruption could allow stale audio to leak through.

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changelog/4145.removed.md Normal file
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- ⚠️ `TTSService.add_word_timestamps()` no longer supports the `"Reset"` and `"TTSStoppedFrame"` sentinel strings. If you have a custom TTS service that called `await self.add_word_timestamps([("Reset", 0)])` or `await self.add_word_timestamps([("TTSStoppedFrame", 0), ("Reset", 0)], ctx_id)`, replace them with `await self.append_to_audio_context(ctx_id, TTSStoppedFrame(context_id=ctx_id))` and let `_handle_audio_context` manage the word-timestamp reset automatically.