Subscriber Discussion

NVR With 4K Decoding Capabilities?

sS
sundar Subramanian
Nov 22, 2016

It is very popular that recent NVRs launched by players like Hikvision, Dahua etc. support HDMI 2.0 interface with 4k decoding capabilities. Though, Hisilicon's 3536 (SOC for NVR) claims such higher decoding support, how useful is it for the customer? How many such customers prefers to view the video streaming on 4K TV connected through HDMI port? When we talk about high end NVRs like 64 Channels / 128 Channels, most of such devices are getting installed in a rack. In such scenarios where will they install TV?

It is well understood that the command and control centers need big display where they can view live videos. But according to my knowledge most of such centers go for VMS with video wall. Opinions please.

UM
Undisclosed Manufacturer #1
Nov 22, 2016

I find it useful to use the NVR HDMI output because you can 1) display full 4k camera resolution 2) have higher resolution for each camera on a multi-screen view.

In addition, for cases where you need a decoder or workstation to display cameras, placing a low cost 4k NVR for display purposes only can be nice and easy. If you are using the primary NVR for display, it then doesn't use any additional network stream/bandwidth for live view, and you don't need to worry about Windows/PC performance for live view display.

It makes for a nice and easy way to view cameras for limited use scenarios where you don't need a full VMS interface.

(1)
sS
sundar Subramanian
Nov 22, 2016

Agreed. But that is limited to one user. Scenarios like more than 50 cameras generally the expected viewers are more. Another thing is HDMI is having it's own limitation of distance hence the device must be installed proximity to the user

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