[ Huaqiang Security Network News ] The realization of high-definition surveillance is mainly due to three kinds of transmission signals. The transmission signals of these three different types of high-definition monitoring systems make the realization of high-definition monitoring smoother. The three different transmission signals of the HD monitoring system are shown below: 
1. This transmission mode of analog high-definition signal transmission high-definition monitoring system generally uses YPbPr component transmission. In general, a high-definition video signal requires three coaxial cables to be transmitted at the same time, and the cable usage is also very large. Although the distance of component transmission can be extended by the third-party medium, since the transmitted analog signal, the monitoring signal will be affected after long-distance transmission.
2, digital high-definition signal transmission In the digital transmission era of high-definition surveillance system, generally adopt DVI, HDMI or HD-SDI transmission mode, DVI or HDMI transmission distance is only a few meters, not suitable for signal transmission of monitoring system. Although HD-SDI can transmit about 100 meters, it has high requirements for coaxial cable and the price of cable is very expensive. Therefore, monitoring systems based on digital high-definition signal transmission are difficult to popularize.
3, network HD signal transmission through the network to carry out high-definition monitoring information transmission, due to the rapid development of the network in recent years, so the high-definition monitoring system transmission methods mostly use network transmission to help people better complete the monitoring work. And the high-definition monitoring system based on network transmission has low cost and stable performance.
All in all, the transmission of monitoring information of the high-definition monitoring system is mainly based on the above several methods. However, in general, the transmission method of the high-definition monitoring system is constantly advancing with the times.
2, digital high-definition signal transmission In the digital transmission era of high-definition surveillance system, generally adopt DVI, HDMI or HD-SDI transmission mode, DVI or HDMI transmission distance is only a few meters, not suitable for signal transmission of monitoring system. Although HD-SDI can transmit about 100 meters, it has high requirements for coaxial cable and the price of cable is very expensive. Therefore, monitoring systems based on digital high-definition signal transmission are difficult to popularize.
3, network HD signal transmission through the network to carry out high-definition monitoring information transmission, due to the rapid development of the network in recent years, so the high-definition monitoring system transmission methods mostly use network transmission to help people better complete the monitoring work. And the high-definition monitoring system based on network transmission has low cost and stable performance.
All in all, the transmission of monitoring information of the high-definition monitoring system is mainly based on the above several methods. However, in general, the transmission method of the high-definition monitoring system is constantly advancing with the times.
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