Shulou(Shulou.com)06/01 Report--

Our security monitoring industry has come over the past few decades from analog SD to digital HD, with the development of technology. Analog signal products, as the core control products in the CCTV era, have had countless splendors. However, with the development of video surveillance technology in the direction of digitalization, high definition and networking, the development space of video matrix products which used to occupy the analog video surveillance market began to be stretched. At one time, when network surveillance products began to sweep the video surveillance market, many traditional engineers, users and even some manufacturers agreed that the analog video matrix would gradually decline under the trend of high definition. At the beginning of the market, there was a mixture of dragons and snakes

Although analog surveillance products still occupy the mainstream position in the security field surveillance market, the HD trend of video surveillance is highlighted. Many engineers and users take the opportunity of the HD trend to transform the original analog to digital. Replace the original analog video matrix with high-definition digital matrix. However, due to the large number of analog front-end cameras and can still be used, some engineers and users in the market begin to integrate the original analog video and IP HD video or HD-SDI video into a unified surveillance system, using a hybrid matrix for unified switching, storage and management.

The global surveillance camera market will maintain steady growth in the next three years, and global surveillance camera shipments will reach 114.5 million units by 2017. Generally speaking, no matter analog surveillance system or IP network surveillance system, the whole video surveillance industry is moving towards high definition and digitalization, which puts forward higher requirements for the development of middle-end transmission and back-end video matrix control system. For the majority of upstream manufacturers, this is not only a rare opportunity for industry upgrading, but also full of technical challenges.

With the increasing demand for large-scale construction projects such as Ping an City, the existing matrix is developing in the direction of large capacity, networking and digitalization. To enhance the centralized management ability of matrix Ethernet, through the network cascade of monitoring centers, to achieve multi-level access control management is the general trend. Large-scale construction projects such as "Ping an City" strengthen the development of matrix networking technology. As the public security system puts forward the demand of audio and video signal interconnection and mutual control between superior and subordinate node matrices, it not only promotes the manufacturers to transform the matrix networking technology into practical application, but also further extends the vitality of the matrix. The network cascade system consists of a central matrix and multiple node matrices, each of which has an independent IP address and exchanges data through Ethernet ports. The node matrix uploads the local video output to the central matrix, and the central matrix can switch and control the images of the cameras of all node matrices. If the video transmission channel of the center matrix to the node matrix is added, each node matrix can realize interconnection and mutual control and cross-region scheduling.

After the high definition of the matrix, whether it is networking or stand-alone operation, it not only retains the original convenient switching control, image inspection and positioning and other functions, but also achieves a technical breakthrough in security construction, such as alarm linkage, group switching and so on.

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