Unverified85% confidenceDecision RuleTime unknown
USB声卡（USB2.0/3.0）的实测往返延迟通常在4-10ms（buffer 128），已满足绝大多数录音监听；仅当需要多轨实时软件效果器（软件音源弹奏、吉他放大器模拟）时才需追求雷电接口的<3ms超低延迟
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