Although the latest smart TVs are limited to not using USB to install software, but after simple cracking, many TVs can still break through the blockade and install a variety of TV software. In addition to various video apps, the most exciting one is the live TV software. As long as the network speed in the home is fast enough, watching HD live broadcasts is stress free. So, what is the principle of this kind of live TV software?
Realization process and data principle of TV live broadcast software
The live broadcast software is a client software. When the user operates the live broadcast software, the software actually accesses the address of the streaming media server through the software, and sends a program request to the live broadcast server. After receiving the information, the streaming media server transmits the program information to the live broadcast software. The program requested by the user is presented on a television screen.
The live program on the PC personal computer is usually also a digital signal or satellite signal from the cable television. After the TV live program signal source is input into the computer, the encoding software and the encoding server compress the program signal source transmitted from the computer into a streaming media format. After uploading to the streaming server, the server manages, stores, and distributes the uploaded streaming program.
Live broadcast principle based on P2P point-to-point technology
P2P peer-to-peer technology is currently adopted by major video websites and has also been applied to live Internet TV. Basically adopting the client/server structure and P2P technology, it can realize the self-evolution and local adjustment of the network topology. The more users watching the live broadcast in the same program source network, the more server nodes that can be dominated, and the smoother the program playback.
During the live broadcast, the program source in the network distributes the program data signals to certain users who then distribute their program signals to other users. All users share the program signals between them. Each user is both a consumer of the service and a provider of the service. The load of the server is distributed to each client, which effectively improves the smoothness of the live TV broadcast.
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