Verified80% confidenceFactExact time
The human perceptual tolerance threshold for latency in natural conversation is approximately 300 milliseconds.
8
Sources
80%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Google's AI Blitz: Gemini 3.5 Live Translate, NotebookLM Upgrades, and DiffusionGemma Explained
twitterGoogleAI6/12/2026
Related Claims
VerifiedThe industry-recognized threshold for natural conversation is an end-to-end latency of 500 milliseconds or less; beyond this threshold, users will noticeably perceive a pause.81% similarVerifiedNeurolinguistics research has found that the average gap between speakers in natural conversation is approximately 200 milliseconds, and the brain begins predicting when the next speaker will start as early as 600 milliseconds before the previous sentence is completed.79% similarUnverifiedThe human visual-motor reaction delay is approximately 200–300 ms.77% similarVerified800毫秒是语音代理端到端延迟的业界公认阈值，人类面对面对话回应延迟通常在200-500毫秒之间77% similarVerified人类对话中的自然轮换节奏约为200毫秒77% similar
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