Two stage synchronous controlling method for multi-player digital film playing system
A technology of digital cinema and synchronous control, applied to parts of TV systems, TVs, electrical components, etc., can solve problems that have not yet been discovered, and achieve a strong sense of presence, grand scenes, and majestic effects
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Embodiment 1
[0014] What present embodiment adopted is a digital ring-screen movie player. The system includes 9 identical high-definition digital movie players 4 and a synchronous controller 1 . The synchronous controller 1 and nine high-definition digital movie players 4 are connected to the same Ethernet hub through their respective Ethernet interfaces. The Ethernet cable and the Ethernet hub constitute the communication link 2 between the central controller and the nine high-definition digital movie players 4 . The synchronous signal transmission circuit 3 connects the synchronous controller 1 and the high-definition digital movie player 4 by means of LVDS. The synchronous controller 1 transmits a periodic clock signal and a synchronous trigger signal to any high-definition digital movie player 4 through the synchronous signal transmission circuit 3 . Each high-definition digital movie player 4 uses the periodic clock signal as a reference to generate a local display reference clock ...
Embodiment 2
[0029] What present embodiment adopted is a digital ring-screen movie player. The system includes 9 identical high-definition digital movie players 4 and a synchronous controller 1 . The synchronous controller 1 and nine high-definition digital movie players 4 are connected to the same Ethernet hub through their respective Ethernet interfaces. The Ethernet cable and the Ethernet hub constitute the communication link 2 between the central controller and the nine high-definition digital movie players 4 . The synchronous signal transmission circuit 3 connects the synchronous controller 1 and the high-definition digital movie player 4 by means of LVDS. The synchronous controller 1 transmits only one synchronous trigger signal to any high-definition digital movie player 4 through the synchronous signal transmission circuit 3 . Each high-definition digital cinema player 4 independently generates a local display reference clock, so there is no strict synchronization between the loc...
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