[KongchangAI]
Unverified78% confidenceDecision RuleTime unknown

全双工(full-duplex)与半双工是核心分界:会议场景必须选全双工才能实现双方同时说话不卡断,而语音助手、单人播报可接受半双工;低价USB全向麦常标注‘回声消除’但实际是半双工降级处理

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78%
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Long-term
Relevance
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