Verified65% confidenceFactExact time
Most previous voice assistants used a half-duplex mode, which was essentially a walkie-talkie-style turn-taking interaction that required waiting for the user to finish speaking before responding.
3
Sources
65%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
Related Claims
UnverifiedTraditional voice assistants such as early Siri and Alexa are all half-duplex designs, requiring users to wait for the system to finish speaking before continuing to provide input.80% similarUnverifiedFull-duplex voice assistants need to determine in real time when to listen, when to give backchannels, when to interrupt, how to handle speech overlap, when to take the floor, and when to yield the floor80% similarUnverifiedContextual trigger detection, after a wake word activation, distinguishes whether the user's subsequent speech is a genuine command or casual conversation unrelated to the assistant.79% similar
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