Unverified50% confidenceFactExact time
The latency budget for one round of conversation in a typical voice agent is approximately: endpoint detection 180ms + streaming ASR 220ms + LLM first token 650ms + TTS first chunk + network transmission.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/13/2026
First Seen
Valid until: 1/11/2027
Sources
Related Entities
Related Claims
Unverified传统语音AI采用串行管线设计，即VAD→ASR→LLM→TTS四个独立模块依次传递数据，每个环节引入约100-300毫秒延迟，四段叠加总延迟往往超过1秒77% similarUnverified语音智能体技术栈通常包含STT、LLM推理、TTS三个串行环节，STT约耗时200-400ms，LLM首token延迟约100-500ms，TTS生成约100-300ms75% similarUnverified端侧TTS需在用户说完后200-500ms内开始语音反馈才能保持对话流畅感，要求模型以流式方式逐帧生成音频75% similarVerifiedThe three-stage architecture of traditional voice interaction (ASR+LLM+TTS) typically has a total latency of 1–3 seconds.74% similar
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