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Multi Screen Synchronous Solution

Multi-screen synchronization is multiple independent asynchronous LED screen play the same images at the same time in some way.

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Three ways to achieve:
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NTP Solution

NTP is internet time synchronization. it can be connect to the Internet by 3G /4G, network cable or wi-fi.

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NTP Solution features

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❂ GPS Solution

GPS solution is synchronized by satellite time, and a GPS module needs to be installed on the control card.
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GPS Solution features

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❂ RF Solution

RF synchronization is sets a certain control card as the main card, and other control cards correct their time based on the main card time, thus achieving multi-screen synchronization.image.png

RF Solution features

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Play calibration technique
 

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Dynamically adjust video playback speed based on reference time

Frame level progress calibration

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Huidu Asynchronous LED Controller