Public information publishing system based on the GRPS network platform
A technology of network platform and public information, which is applied in the branch office to provide special service devices, data exchange details, radio/inductive link selection and arrangement, etc. It can solve the problems of low implementability, high cost, poor reliability, etc., and achieve management Diversified methods, improved coverage, and strong confidentiality
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[0022] The present invention is a public information release system based on a GPRS network platform, which is composed of a sending terminal, a network platform and a receiving terminal. The system block diagram is shown in FIG. 1 . The sending terminal performs video and audio collection, non-linear editing, post-production, and media format conversion. The network platform uses the GPRS service support node (SGSN) and gateway support node (GGSN) provided by China Mobile to realize the Internet and GPRS-based wireless network. Information transmission, video, audio signal, picture information and scrolling subtitles are transmitted to the player with high-quality encoding, and then the player converts the combined multimedia information into VGA (or AV) signal broadcast. The broadcast management unit of the sending terminal can download videos, audios, pictures, text materials, control information and program playlists to the information release platform in batches, and can ...
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