As you may know, digital video recorder DVR server is used in monitoring systems of large public places such as hospitals, stadiums, shopping malls, offices, office building. These security systems are so great that the machine must be powerful enough for up to 64 video channels! Amazing is not it? Some features of DVR servers.

operating system and compression algorithms

Most servers are Linux-based DVR and use the H.264 video compression technology to provide real-time video recording and playback. Most of the machines, video display resolutions up to 720 x 480th This means that your surveillance videos are crisp and clear. can handle the number of channels of digital video recorder server varies in its design and use. The machines can be used in small shops accept at least 8 channels, while those who monitor heights can accommodate up to 64 channels. However, the graphical user interfaces of certain machines only shows 8 channels at once, so you might have to scroll your way down to get the channel number 64.

Joint DVR Server Data

Regardless of the brand, or a server to make digital video recorder, you should compare the necessary features: live recording and playback speeds of 480 frames per second (fps), watermarking the number of objects, detect motion, multi-channel display, CD and DVD, and pre-and post-alarm recording. The memory capacity of servers is dependent on its purpose and use. More surveillance, storage hard drive is more than you need.

photo, backup data and Internet connectivity

As mentioned earlier, an excellent server digital video recorder will always use the most advanced algorithms for video compression for video surveillance clearer. If you’re shopping for a DVR server, always ask if the machine has H.264 hardware compression. In addition, most machines with DVD-RW 18x equipped, so you can burn this surveillance video to DVD. In terms of Internet connectivity, most server features of Remote Desktop and TCP / IP Local Area Networks (LAN) or wireless networks (WANs). Each pan-tilt-zoom (PTZ) camera is now compatible with any DVR server. Of course, most machines support multi-display protocols. Some may establish rules and templates to run your surveillance cameras.

Breakdown

In fact, the digital video recorder server is a very sensitive machine. Some are even kept in temperature-controlled rooms to ensure that the server does not cross the threshold temperature. You may wonder why. Well, if the server crashes due to too much cold or heat, all DVR surveillance system completely paralyzed and defeated its purpose. The machine can be its own ventilation system, but experts tell you not to take risks.

You can always find another machine with features that are not listed here. But it comes with a price tag higher than your garden variety DVR server. It’s always good to evaluate and rethink your security needs so that you spend your money correctly.


DVRs