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full-duplex speech model
also full-duplex voice model or full-duplex spoken dialogue model or full-duplex conversational AI
Definition of full-duplex speech model
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: a speech AI system that can listen and produce speech concurrently, allowing overlap, interruptions, and rapid turn-taking instead of forcing each speaker to wait for the other to finish
- The full-duplex speech model stopped mid-sentence when the caller interrupted with a correction.
- Background acknowledgments sounded more natural because the model could listen while speaking.
Two meanings, one word
In everyday English
Full-duplex communication lets information travel in both directions at the same time, as in an ordinary telephone call.
In AI
A speech AI system that can listen and produce speech concurrently, allowing overlap, interruptions, and rapid turn-taking instead of forcing each speaker to wait for…
Origin & history
The networking term full duplex is much older. In spoken AI, the phrase gained prominence in 2024 with systems including Kyutai's Moshi, described as a real-time full-duplex spoken language model capable of listening and speaking at the same time.
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Cite this entry
"Full-duplex speech model." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/full-duplex-speech-model/. Accessed 7 Oct. 2026.