What should I do if I watch a black screen, if there is no video and video is not synchronized?

The cause of abnormal video images and sound

The picture or sound of the TV is abnormal, and most of them are caused by problems in the video decoding of the smart TV. We can compare the video file to a puzzle that is disrupted. The smart TV is responsible for restoring the puzzle within a specified time. This reduction process is called decoding. There is a steady stream of fragmented pieces of video that you need to watch online. You need TV to quickly restore. If the TV is not "smart" (system is defective) or the action is "slow" (hardware performance is insufficient), there will be jigsaw errors and incomplete puzzles. The picture and sound are not normal.

So how can we solve this problem? In fact, there are two video decoding methods: hard decoding and soft decoding. When the hard decoding capability is insufficient, we can switch the decoding mode to soft decoding to improve compatibility. It is also possible to replace a video software of the same type from the sofa butler. It may be normal for your TV to use the HDP live broadcast with problems or use micro live streaming. It may be perfect for his TV to be replaced by HD Live streaming with small micro live broadcast compatibility. Downloading other applications from the sofa butler is very simple, the following focuses on how to switch to video software decoding.

Switch decoding modes directly when playing videos

Some software switches the decoding mode very conveniently, can press the menu key while playing the video, then switch directly in the pop-up window. Such as HDP live, pudding video and push a single video and the like.


Select change decoding method in playback settings

There are also some video software, you need to find the playback settings in the software settings, select the decoding mode in the playback settings, and then change the decoding method you need. Such as TV cats and VST micro-audio.



Which of the above methods are not used?

If your network is normal, switching decoding methods and changing the video software can not solve the problem of video and audio out of synch, screen stabbing, big fat insects suggest you spend two or three hundred, start (change) a mainstream TV box to solve you The problem is that Huawei and Xiaomi are great TV box brands. Of course, if you face these problems there are other good ways, welcome to share your experience in the comments for everyone!

The CAT7 Lan Cable are an eight-core Shield wire. Each pair has a Shield layer (commonly called a Foil Shield), and then a Shield layer (commonly called a Braided screen Shield) outside the eight cores, with the same connection as the RJ-45.The highest transmission frequency of the CAT7 Ethernet Cable S/FTP is 600MHz, and the transmission frequency of the CAT7 Network Cable is 1000MHz.
There are a number of significant differences between the six and seven cabling systems, the most obvious of which is bandwidth.The CAT6 cable of channels provide a comprehensive attenuation to crosspoint ratio of at least 200MHZ and an overall bandwidth of 250MHZ. CAT7 of systems can provide at least 500MHZ of comprehensive attenuation to crosspoking ratio and 600MHZ of overall bandwidth.
The proliferation of broadband applications has created a need for more bandwidth.For example, a typical CAT7 channel can provide a bandwidth of 862MHZ for the transmission of video signals, analog audio signals on another pair, and high-speed LAN information on a third or fourth pair.
Another difference between the CAT6 patch cable and cat7 patch cable systems is their structure.The six types of wiring systems can use either UTP or STP.The seven types of systems are based only on shielded cables.In the cat7 network cables, each pair has a shield layer, and four pairs of wires together have a common shield layer.In terms of physical structure, the additional shielding layer makes the CAT7 Ethernet Cable have a larger diameter.

Another important difference is its ability to connect hardware. The parameters of the cat7 patch cable of systems require that all pairs of wires provide at least 60DB of integrated proximal winding at 600MHZ.The cat6 systems only require 43dB at 100MHZ and 46dB at 250MHZ for the cat6 patch cable.

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Shenzhen Kingwire Electronics Co., Ltd. , https://www.kingwires.com