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The whole set of monitoring rental system is divided into "front-end, transmission and back-end". The front-end refers to one end of the camera, the back-end refers to one end of the monitoring screen, and the transmission is to solve the problem of data connection between the two ends.
According to the actual use of monitoring in activities, we will explain the most commonly used and standard activities monitoring lease, competition and examination monitoring lease, and temporary monitoring system.
Front end system: the front end is mainly the monitoring camera, which solves the problems of video and audio acquisition and coding. According to the definition of the current camera, it can be simply understood as universal clear monitoring, high definition monitoring and ultra high definition monitoring; According to the classification of monitoring application scenarios, it can be divided into indoor monitoring, outdoor monitoring, ball machine monitoring and special monitoring; This special monitoring, such as explosion-proof monitoring, underwater monitoring, real hole hidden monitoring and so on
Transmission system: no matter how advanced the technical defense system is, there are only two kinds of data transmission: "wired transmission" and "wireless transmission". As the name suggests, wired transmission is to pull the power line, network cable and optical fiber; Short distance is network cable, long distance is optical fiber cable; The advantage of wired transmission is stable operation. Wireless transmission generally adopts bridge point-to-point transmission. Wireless bridge is actually to replace the visible line. The advantage of wireless transmission is fast deployment.
Back end system: in the monitoring lease, the video recorded by monitoring is saved by the monitoring host, and the front-end camera encodes audio and video. Then the monitoring host is the storage and decoding of audio and video, and the decoded video is displayed on the display screen. Of course, the display screen can be determined by using a computer monitor according to the needs of the activity and the budget level, Or TV sets, monitors, or all kinds of big screen walls.