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In the era of digital surveillance, with the gradual improvement of people's monitoring needs, explosion-proof network cameras began to develop in the direction of high-definition and intelligence. High-definition and low-illuminance will be the main development trend of explosion-proof network cameras in the next few years.
The explosion-proof network camera monitoring screen is not smooth, there are many reasons. In addition to the reasons related to the network characteristics, the following reasons will also affect the fluency of the picture, and even the picture may appear. The specific analysis is as follows:
1. Manufacturing defects, including technology, materials and processes
The explosion-proof network cameras produced by some manufacturers will have a relatively long delay after long-term operation, which greatly exceeds the delay time required by the national standard. It gives people a feeling that the picture is stuck, and only after the power is turned off, can it return to normal. The situation suggests that users choose the monitoring products of big brands, the technology is excellent, and the after-sales is guaranteed.
2, NVR and decoder selection is not appropriate
For customers who use the network HD DVR to display storage, the decoding capability of the selected network HD DVR will also affect the smoothness of the picture. If the connection picture exceeds the large decoding capability of the DVR, or the core chip selected by the DVR, If the processing power is not strong, it will lead to the phenomenon of picture sticking. For this situation, it is recommended that customers choose the products of big brands, and at the same time, be careful not to be fully loaded, and live with a full load indicator when purchasing.
3, the client computer performance is insufficient
For customers who use computer + software for display storage, the performance of the computer's configuration, CPU, GPU, memory, etc., will affect the smoothness of the monitor screen. If the CPU, GPU, and memory performance are insufficient, a certain number of video screens will be displayed. After that, the picture will be stuck. At this time, the CPU and memory usage can be detected by the computer task manager. For this situation, it is recommended to use a computer with a higher configuration.
4, the quality of the network cable used is too bad
Generally, the normal national standard network cable zu far transmission distance will not exceed 100 meters, and the transmission performance of inferior network cable will be greatly discounted. If the inferior network cable is used, the previous screen may be all normal, and the oxidation loss of the line may lead to signal transmission loss. , when the time is broken, the picture is stuck. In this case, it is recommended to select a good quality national standard network cable during construction.
5, the details are not considered
For example, in the middle of the Gigabit network, a 100-megabit fiber optic transceiver is selected;
For example, Gigabit Networks uses five types of network cables;
For example, strong and weak electricity is not isolated, and the network cable is disturbed;
For example, if the dual stream is not properly set, the explosion-proof network camera can provide a high-rate code stream for local high-definition storage and a low-rate code stream for network transmission in a remote monitoring environment. Flexible selection of the code stream format according to the network bandwidth to achieve local high-definition storage, while the back-end low-stream network transmission.