Unverified50% confidenceFactExact time

Implementing barge-in requires audio echo cancellation (AEC) of the sound the system itself plays; otherwise, the system will mistake its own output for user input.

1

Sources

50%

Confidence

Long-term

Relevance

10/29/2026

First Seen

Sources

LLM Voice Interaction: Martin Fowler on the Current State and Boundaries of the Technology

Related Entities

AECconcept barge-inconcept

Related Claims

VerifiedFull-duplex AI voice requires acoustic echo cancellation (AEC) to prevent the system's own audio playback from being mistakenly interpreted as user input by the microphone79% similar UnverifiedAcoustic echo cancellation (AEC) algorithms need to build an adaptive model of the speaker output signal and subtract the predicted value from the microphone input in real time, preventing the model from hearing itself and falling into a feedback loop.74% similar

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