Unverified85% confidenceDecision RuleTime unknown
USB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)
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UnverifiedUSB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85% similarUnverified直播用途优先选USB接口采集卡,即插即用无需拆机;PCIe采集卡延迟更低(可低至个位数毫秒)但仅限台式机内置,适合对同步要求极高的多机位切换场景84% 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82% similarUnverified延迟越低通常需要硬件编码或PCIe直连,成本更高且便携性差;纯直播场景延迟不敏感,USB外置卡配直通口即可,无需为超低延迟买内置卡81% similarUnverifiedUSB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80% similar
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