[KongchangAI]
Unverified60% confidenceFactExact time

早期语音助手如 Siri、Alexa 采用 VAD(语音活动检测)判断用户是否停止说话,这种机制天然是半双工的

2
Sources
60%
Confidence
Long-term
Relevance
7/15/2026
First Seen

Sources

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https://kongchang.com/claim/516930
API
curl https://kongchang.com/api/v1/knowledge/claims/516930
MCP
get_claim(id=516930)