A Public Information Publishing System Based on Digital TV Technology

Abstract

The invention discloses a public information release system based on digital television technology, which includes an information release platform, a terminal integrated machine and a terminal management platform. The terminal integrated machine includes a processor, a display screen and a communication module, and the information release platform is reused by authorized customers. The data stream sent by the terminal is scrambled by the scrambling module and then merged into the radio and television network. The terminal all-in-one machine is connected to the radio and television network, and the data stream is demodulated into a digital signal through the tuner and sent to the processor. The processor uses the set-top box descrambler to descramble the demodulated digital signal, the processor sends the descrambled video information to the display screen, and the display screen is used to play the converted video information; the terminal management platform passes the terminal The communication module of the all-in-one machine is connected to the processor in two-way communication. The invention utilizes the public wired network to timely integrate and switch public safety information, important notices, news broadcasts, and important leaders' speeches, and the safety is greatly improved.

Description

technical field [0001] The invention relates to the field of information release systems, in particular to a public information release system based on digital television technology. Background technique [0002] The existing information release is mainly obtained by the people spontaneously from various channels, which is not timely enough, and the information penetration rate is low. Some sudden public affairs require a unified platform to release the information authority to the general public in a timely and safe manner, such as during the sudden outbreak of the epidemic. . The large terminal screens in public places have a wide audience, but the existing large terminal screens do not have a unified front-end, and can only have built-in advertising videos and slogans of fixed content, which makes the information update not timely enough, requires manual operation for each update, and is not secure enough , will be hacked or post bad information. SUMMARY OF THE INVENTI...

AI Technical Summary

Problems solved by technology

[0002] The existing information release is mainly obtained by the people spontaneously from various channels, which is not timely enough and the information popularization rate is low. Some sudden public events require a unified platform that can release the information authority to the general public in a timely and safe manner, such as during an outbreak

The large terminal screens in public places have a wide audience, but the existing large terminal screens do not have a unified front end. They can only have built-in advertising videos and fixed content slogans, which makes the information update not timely enough. Each update requires manual operation, and the security is not enough. , will be brushed or published bad information

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