| A customer needs Our school is a school with 18 | | | | school, where we design a school outside cable |
| classes, and now want to build a campus broadcast | | | | television programs broadcast channels, broadcast |
| system, the existing school facilities as follows: | | | | content and timing of the decision by the central |
| 1) Campus Network Have been completed, each | | | | control room. Broadcast equipment can use a TV |
| classroom is multi-media classrooms, a classroom | | | | with audio and video output. |
| projector, electric screen, TV, in-kind exhibition, in | | | | C. Educational CD-ROM playback channels Multimedia |
| control, | | | | Education has become indispensable to modern |
| Computer And so on. 2) schools in the original | | | | teaching practice, a means by |
| closed-circuit television system, and the classroom is | | | | DV D machines will be the quality of education and |
| also a television. | | | | teaching courses in CD player to each classroom, |
| 3) Each teacher has one office in the office | | | | enabling the process of teaching more lively, vivid, |
| Computer The school would like to establish a | | | | easy to understand and remember. To this end we |
| campus broadcast system to meet the needs of | | | | design a set for the entire system of multimedia |
| education and teaching activities. Specific | | | | CD-ROM playback channels. Play equipment for a |
| requirements are as follows: | | | | DVD machine. |
| 1, principal office address of each classroom and | | | | 2. Broadcast equipment configuration 1) closed-circuit |
| real-time tuning. | | | | television equipment configuration Entire system |
| 2, three large multi-media classrooms in the | | | | consists of five live channels and achieved through |
| demonstration class, teacher seminars, organizing | | | | closed-circuit television system, the front-end to be |
| activities, they can live to the scene, real-time | | | | equipped with five cable adjacent channel modulator, |
| broadcast to each classroom and office, and can be | | | | the five broadcast channels of audio and video signals |
| synchronized video. | | | | received on different modulator, a channel |
| 3, external cable television programs can be | | | | corresponding 1, then 5 signals through the mixer will |
| broadcast to each classroom as needed. | | | | be mixed into a signal is sent to every classroom, |
| 4, some of the existing school education and | | | | classroom through the TV to watch. Here we use |
| teaching CDs can be played to each classroom. | | | | the United States and the PBI modulator mixer can |
| 2, needs analysis and program design | | | | also use existing school facilities. 3 multimedia |
| According to existing school facilities, we will live on | | | | classroom audio and video signals require line of audio |
| campus closed-circuit television system designed to | | | | and video through the central control room received |
| broadcast live and webcast are two ways to | | | | a closed-circuit television system. |
| combine a set of organic live system to make full | | | | 2) device configuration webcast The three multimedia |
| use of existing school facilities, and to ensure live | | | | classrooms have computers, and has been, and |
| results. | | | | campus network connectivity, be broadcast in each |
| 1. Broadcast channel design According to the needs | | | | classroom is equipped with a Taijin step video |
| of our schools, the five broadcast channels for | | | | GMTD-NETCC Network Multimedia |
| schools | | | | Central control System terminal device, you can put |
| A. multimedia broadcast channel 3 Speech broadcast | | | | each of the activities of multi-media classroom |
| live on school leadership, school events, as well as | | | | instruction or live real-time live through the classroom |
| excellent general model class is the functional | | | | computer to the campus network, campus network |
| requirements of various schools, schools with a large | | | | terminal through the windows comes with all the |
| hall, meeting rooms or function rooms as the central | | | | MIDPLAY |
| venue or broadcast center, by closed-circuit television | | | | Software |
| system or campus activities on site or teacher will be | | | | You can watch the live program. At the same time |
| broadcast live lectures to various classes, we have | | | | when the multimedia classroom access to the CCTV |
| designed for schools three live channels, respectively, | | | | system, we can live through any of the multimedia |
| the three major broadcast multimedia classroom. | | | | classroom, the cable TV signal into audio and video |
| Needs of each classroom is equipped with live | | | | signals through the control system is switched, the |
| cameras, amplifiers, microphones and other audio and | | | | input to the computer, and then the external wired |
| video capture devices. | | | | network TV and DVD player in the program live via |
| B. external cable broadcast Run by each school in the | | | | the network to the campus network, and each |
| realization of the broadcast and live, it is often also | | | | classroom will be in the live broadcast content can |
| need an external cable broadcast programs to watch | | | | also be hard real-time video, as an educational |
| at any time breaking news, sports events, the | | | | resource conservation for later use on demand. |
| central and provincial and municipal important events | | | | Network of teachers who do not live to solve the |
| live, as well as central and TV educational programs | | | | closed-circuit television system, but also through the |
| around the same time, the number of broadcast | | | | network to watch live broadcasts, full use of existing |
| channels according to specific needs identified by the | | | | resources in schools. |