Unverified85% confidenceDecision RuleTime unknown
NVR选购必须确认是否支持所选摄像头分辨率的接入带宽,8路2K摄像头需NVR接入带宽≥80Mbps,低端NVR可能出现高分辨率下掉帧或无法全通道录像
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified购买NVR套装务必确认NVR的接入路数与解码能力≥摄像头数量,且预留扩展位,如买6个摄像头应选8路NVR而非4路,避免后期加装摄像头需整机更换87% similarUnverified选择NVR套装时,NVR通道数应比当前摄像头数量多1-2路,例如4路摄像头选8路NVR,为后续扩展预留通道,否则加装摄像头需整机更换86% similarUnverifiedNVR选购的摄像头路数应预留冗余:实际需求4路应选8路机型,因为后期增补摄像头概率高且满负荷运行会导致解码卡顿。同时注意接入带宽上限(如80Mbps)而非仅看路数,4路400万像素摄像头满码流约需48Mbps84% similarUnverified选购NVR的通道数应按当前摄像头数量的1.5倍预留,如需4个摄像头选8路NVR,避免后期扩展被卡死83% similarUnverified仅需查看单个或少数摄像头且不需长期存储时不建议买NVR,直接用带TF卡或云存储的一体机摄像头更简单省成本,NVR适合4路以上或需要大容量长时录像场景83% similar
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