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IPTV and digital annunciate network are carried out

From;  Author:Stand originally

In this practice project, data center is installed respectively in Beijing and Shanghai, the different ground that formed mutual backup holds calamity system. The site that player deploy is in Shenzhen city some bank and 4 hotels, and Xiamen can exhibit a center. The player receives Internet through broadband of 1Mbit/s ~ 2Mbit/s ADSL.

In broadcast end, information of advertisement, news, spot complete conformity arrives on screen of a plasma undertake broadcasting, much area character of the system can make information passes the mode such as sign of caption of video, picture, scroll, station, clock to reveal in the different position of screen come out, a group of video that discharge good order can be broadcasted circularly, the picture can be mixed according to the frequency of some kind of set transfer the effect undertakes be updatinged ceaselessly, the loop with OK and periodic caption is broadcasted, noninterference of different area each other, can fold transparently again put (if pursue,2 are shown) . The effect vivid, appeal is strong. All these information, can have discharged beforehand, include layout and the material that should broadcast, accomplish unmanned value to defend! Also can change temporarily, release a few major news, announcement, good news to wait, insert a system to be broadcasted in real time directly! Original phonic video material, picture material does not need transition, can use directly.

In central end, can receive the digital annunciate that is based on Web to run a system through the network (if pursue,3 are shown) . Adopt this system, can manage Shenzhen and Xiamen all players, be equivalent to managing different channel, it is very easy to increase and delete a channel, traditional TV station accomplishs these very hard also. On systematic interface, we can detect the working status of every player, and the content that can see the player is being broadcasted. To the player that working, remote control of completely OK and long-range ground broadcasts, include to update content immediately (caption, picture) , the change broadcasts mode, the everything needed is ready such as regulating system volume.

The center carries the management that provides advertisement material, form a system that installs whole sealing. Material must be in through registering ability far end the player is broadcasted, the material after be being registered at the same time cannot be broadcasted on other and average player, practically was restricted broadcast illegally and broadcast by accident.

In this project, video program presses Zhou Gengxin. And compare newlier what notice message frequent. The result that issues from video looks, material distributes systematic performance performance to highlight. If say end of a center is distributed to the material of a player,need N hour, so the time that on 1000 players win this material at the same time is in need only on the whole about 1.5N hour, and do not need the bandwidth with expensive expansion. Make clear what can implement program of high capacity video on a common IP broadband to distribute. In domestic broadband increasingly all-pervading today, the operation of digital annunciate becomes a possibility. With use satellitic network photograph to compare, in operation, blast off and received two end to save cost substantially.
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