Turn-taking and interruptions
VAD detects activity; endpointing decides turns; barge-in does not roll back business state.
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Video summary
The ideas to retain
VAD answers “is there speech?”, not “is the thought complete?”
A voice activity detector classifies regions of audio as speech or non-speech. Silero VAD, for example, exposes speech timestamps and is explicitly designed for voice activity…
A timeout is a policy, not semantic proof
The simplest endpointing policy waits for a silence window:
Endpointing: deciding when to commit the turn
The endpoint is the moment the system stops treating user input as an open turn and allows a response to depend on it.
Key moments
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