Unverified92% confidenceDecision RuleTime unknown
USB采集卡实际存在80-200ms的采集延迟,不可依赖采集画面作为游戏操作显示,必须使用HDMI直通输出接主显示器进行操作,采集画面仅用于直播/录制
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92%
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Unverified低延迟采集(如接手柄玩游戏看采集画面)需选带HDMI直通(passthrough)输出的采集卡,将信号先分给显示器再采集,避免USB采集本身60-100ms的延迟影响操作89% similarUnverifiedUSB采集卡的延迟(80-200ms)不适合作为游戏时的实时预览画面,玩家应看主机直通到显示器的画面操作,采集卡画面仅供观众端;若无直通功能会导致操作延迟严重89% similarUnverifiedUSB采集卡都有20-100ms的采集延迟,无论标称多低都不适合作为主显示器边看边玩;需要pass-through直通口把画面同步输出到显示器才能无感操作86% similarUnverified直播用途优先选USB外置采集卡,采集延迟应<100ms才能保证声画同步和实时监看不影响操作84% similarUnverifiedUSB采集卡有编码延迟(普遍80-200ms),只适合直播不适合竞技游戏本地实况;追求低延迟本地游玩应选PCIe内置采集卡(延迟可低于10ms硬件直通)80% similar
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