Case Study of Shijia Primary School HD Campus Media Center
The Shijia Primary School Media Center mainly focuses on lectures, interactive teaching programs, or live broadcasts, and takes into account interviews with campus people (also can be used as 1-2 news and special programs), supplemented by recording and broadcasting; The video is supplemented; the display content is basically the desktop, and the host's screen is rarely displayed. You can use PPT and other platforms, even use folders as a platform to open videos, photos, WORDs, etc.; do not rule out the use of browsers as a platform, open Weibo, NBC, hold online parent conferences and other video-visual tools. Simplify the production process, improve efficiency and increase broadcast density.
The Shijia Primary School Media Center has a campus news special interview program area, an electronic background area, a large screen mosaic display area, a broadcast dedicated area, and a recording area. At the same time, an independent control room is set up for background editing control. The Media Center is a full HD campus TV station that transmits high-definition digital video signals (embedded audio signals). The front-end video signal source outputs SDI signal or HDMI signal (HDMI signal is converted into SDI signal through video format converter), input to HD-SDI matrix, HD-SDI matrix signal is transmitted to video format converter to convert SDI signal into HDMI Signal, the final high-definition video signal is transmitted to the studio LED splicing screen reader and G500 through the super six network cable; the system is also combined with the school high-definition transmission system and high-definition information distribution system, using Gigabit network switches for data processing, through The network transmits high-definition video to classrooms in the school.
This project realizes centralized control of high-definition signals in school campuses, high-definition signals in low-carbon conference rooms, high-definition signals in campus auditoriums, and high-definition signals in studios. Including program recording, camera remote switching control, post-production production, etc.
The characteristics of the Historic Media Center are as follows: First, the media center not only includes the functions of the campus TV station, but also integrates with the public broadcasting, television, monitoring, and information distribution systems. This can avoid the isolation of each system and improve the efficiency of the system. It is convenient for the school to manage the equipment; second, the students and teachers independently operate, control and broadcast independently. This system is a campus TV station. When designing the system, we should fully consider how to make the operator simple and fast operating system. We fully consider this factor when designing the system, and strive to improve the automatic processing performance of the system through a simple and intuitive operation interface, simplify the operation steps, and combine the training to achieve the host's independent control. The teacher operates independently and the students cooperate. Under the premise of increasing the broadcast density, less manpower is used and the efficiency is improved.
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