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Network and analog camera who is your best choice
IPC 2014-06-09 14:55:44

Network and analog camera who is your best choice

Many users install monitoring system made a difficult, do not know which to select or choose analog cameras network camera. Cheap analog cameras, network cameras expensive, two-phase balance, many users directed price advantage made a decision, which is often the analog breakout space where the camera.

Indeed, in the surveillance market, network monitoring has been a controversial topic, the demand in terms of development, the advantages of network monitoring is unmatched analog monitor. But analog surveillance has been reluctant to everyone under the city also attracted more reflection, and for users, is to choose an analog monitor or network performance monitoring this issue but also with their own needs and the product itself to be, in the end is more attention Or the entire imaging system budget, believe that every user has a heart chessboard.

So, the difference between analog cameras and IP Camera Where is it? I believe we literally can arrive at a general definition, which is the network cameras can be networked, analog cameras can not, and specifically how the distinction? Here I summarize.

First, to clarify the concept:

Interlaced analog front-end camera CMOS / CCD light sensor converts the optical signal into an analog electrical signal, and then output to DSP, the DSP for A / D conversion and color adjustment processing do D / A converter modulated PAL / NTSC standard TV signal output.

Network Camera is a combination of analog cameras and network technology to produce a new generation of cameras, built an embedded chip, embedded real-time operating system. After the video camera sends a signal to the efficient compression of digital compression chip, to the Web server via the network bus, an authorized user through the IP-based network scale infrastructure in place to achieve a local or remote viewing, the video data storage and management.

Second, the performance of the big differences:

First, the definition. See more clearly the goal is for each user, but also the ultimate mission of the security industry. Network camera and analog cameras currently clarity can not be compared. Currently, the network camera can already reach millions, 2,000,000, 5,000,000 and even ten million pixel image output, and analog cameras only image output CIF, D1's.

Second, management differences. Network Camera Built-WEB, using a scale WEB browser on your PC, you can manage and view images. Meanwhile, the ip camera also enables remote management and image viewer, and image data exists on a remote hard drive, easy to find, easy to store, will not be destroyed; while analog cameras, relatively speaking system is blocked, only internal Look, not remote monitoring, video data can only be stored locally, not remotely view, criminals can easily be destroyed.

Third, integration. Network camera built operating system, using any scale WEB browser on a PC, you can manage and view images, and can be shared multi-screen management software, multi-channel monitoring, unrestricted ones, without additional hardware the capital; while analog cameras will have connected with DVR, DVR large ones have certain limitations, then the DVR is full, the camera also increased in increased hardware costs.

Fourthly, the installation of the camera. Simply connect the network camera to the nearest network and assign an IP address can be. It can use existing network as a delivery platform, do not go to the wiring; need to coax and analog cameras connected to each camera, and connect to the control platform, video equipment, display devices, all the way to be rewired for each additional and there is no ready-made network can be utilized.

Fifth, the remote monitoring is achieved. Network camera can be remotely managed, such as video settings, PTZ control, alarm setting, two-way intercom, upgrade management and other functions; analog camera images can only be viewed in the local management.

Sixth, the funds spent. Cost network camera for high-quality network cable is usually 30% to 40% less than the same scale of the coaxial cable, a cable network can simultaneously support hundreds of cameras and other equipment; and each analog camera requires a cables are connected, if you have multiple cameras, it is necessary to buy a lot of cables and these cables are designed for installation and deployment of money, in general, higher labor and maintenance costs.

By comparing the above aspects can be seen, the network cameras are superior in many respects analog cameras, but it is not absolute, network camera high demands of the external environment, requires a very strict network environment, and China Many parts of the network environment, there are still a number of delays, disconnection, congestion problems, in this case, the advantages of analog cameras have surfaced, so for users in addition to considering their own needs, they also have a reasonable assessment of their own the environment, to avoid unnecessary losses.

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