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Myth #1: I'm installing an analog monitoring system and I don't have access to IP monitoring.
Fact: Perhaps DVR providers want people to believe this, but in fact, the development of video server technology has bridged the seemingly insurmountable gap between analog surveillance and digital surveillance. Just connect the analog camera to the video server, and then convert the video signal collected by the analog camera into a digital signal and transmit it on the network. In other words, the video server allows the analog camera to have the function of a network camera. In fact, for most users who already have analog monitoring systems, they prefer to choose their own way to build their own IP surveillance systems, or hybrid IP surveillance systems consisting of network cameras and video servers. In short, your existing analog surveillance system will never stop you from moving toward IP monitoring.
Myth # 2: video transmitted over the network is not secure enough <br> <br> fact: Although the original purpose of the network is to make sufficient information public, however, as long as the use of proper security measures, such as firewalls, VPN or password protected Technology, it can also be used to transmit some highly sensitive information.
In fact, many banks and some financial institutions use the Internet to handle some global financial things. There is no doubt that it must also be a reliable medium for security surveillance and remote monitoring. Compared with digital surveillance, the confidentiality of analog surveillance is much worse, and it has almost no confidentiality. Anyone can see these so-called security information under the analog system, and even falsify this information, causing huge losses. IP monitoring will never happen.
Myth #3: The Image of Network Video Is Less Clear Than Simulation
Fact: The real-time monitoring effect of the network camera is exactly the same as that of the video playback. Of course, the screen has undergone digital compression processing, and the effect is slightly less than that before the unprocessed analog signal. The traditional hard disk recorders are inconsistent with the monitoring and playback effects. Because the signals are directly transmitted during monitoring, the effect is good, and the playback results are also compressed. The effect depends on the compression technology used by different manufacturers.
Moreover, with the development of technology, network cameras and IP monitoring technologies can reach a megapixel resolution, and analog cameras can only reach a resolution of 40,000 pixels at most because of their technical limitations.
Myth 4: IP cameras are much more expensive than analog cameras. IP surveillance is too expensive.
Fact: In terms of price, network cameras are more expensive than analog cameras. But you should also see that its function is analog video camera analog, digital signal compression, image transmission and intelligent control functions. Compared to all costs of monitoring systems based on DVR architectures, IP monitoring is cheaper than it is. For an analog system, it's not that you buy a DVR and it's all okay. You also have to purchase a lot of related equipment such as a large number of analog video cables. Moreover, if you want to achieve PTZ control, you also need to lay a lot of additional video cables, and PTZ function in the IP monitoring is still achieved through the network cable, and does not require additional cables.
Common Misunderstandings of Network Video Surveillance
Network Video Surveillance is IP Surveillance. IP is the abbreviation for Internet Protocol. It is one of the most commonly used protocols for communicating through computer networks. Network video surveillance is the transmission of digital video information over wired or wireless IP networks. As long as the network is reachable, video monitoring and recording can be realized, and this monitoring can also be perfectly combined with many other types of systems. With the increasing application scope, there are more and more errors in the application of network video surveillance.