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What Is The Difference between Synchronous And Asynchronous?

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LED displays have become an integral part of modern advertising, entertainment, and information dissemination. Understanding the differences between synchronous and asynchronous control methods is crucial for effective management of these displays. This article will explore both concepts, their applications, advantages, and disadvantages, providing a comprehensive overview for anyone interested in LED technology.


Content

1. What Is An LED-Display Control System?

2. What Is The Synchronized Control System?

3. Where Synchronous Control Ways Are Mainly Used In?

4. What Is The Asynchronous Control System?

5. Where Asynchronous Control Ways Are Mainly Used In?

6. Conclusion



What Is An LED-Display Control System?


LED display control system is a system that controls and displays videos, animations, pictures, texts, etc. on theLED screen. lt is to LED display screen what brain is to man, to control the content of the LED display.


There are two kinds of control systems in all, synchronized systems and asynchronous control systems



What Is The Synchronized Control System?


Synchronous control means that the LED display screen will show what the computer shows. The synchronized system is consisted of sending card, receiving card and the relevant control software that will be installed in the computer.


The LED display screen and the computer can be connected when the sending card is put in the computer and the receiving card is installed on the screen, after that, you can edit the program with the software in the computer then send it via the sending card to the receiving card, next the receiving card will transfer the program to the screen automatically and lastly, the screen will broadcast the program.


That is to say, you need a computer working with the LED display screen all the time, once the computer does not work the LED display screen will stop working too.


synchronous-led-controller


Where Synchronous Control Ways Are Mainly Used In?


LED display synchronous control system mainly used for real-time display of video, pictures, text, notices and other information, mainly used for indoor or outdoor ful-color LED display screen. The led display screen synchronous control system controls the working mode of the display screen, basically the same as the computer display. lt maps the image on the computer monitor in realtime at an update rate of at least 60 frames per second. lt usually can multi-grayscale color display, which can achieve the effect of multimedia advertising.


Synchronous control ways are mainly used in:

1. 4K LED display or indoor LED video wall which has the space to put the computer.

2. Rental LED display for events.

3.Big LED Display whether for indoor or outdoor

4.Creative or special design-led screen.


Such as meeting room, conference room, church, hospital, Station, Airport, Restaurant, Office, CinemaExhibitions, Stage, Performance, etc. The contents such as videos, pictures, text, etc. need to be updated in realtime,using the synchronous control system.


Stadium-LED-Sign-Synchronized Control System


What Is The Asynchronous Control System?


Compared with the synchronous control system, the asynchronous control system is just the opposite. lt does not need a computer to work with the screens all the time because the sending card which has a memory function.


It is characterized by simple operation, low price, and a wide range of use. The biggest feature is that the content of the display screen can be controlled according to the area, and the content is out of sync with the computer monitor.


Therefore, even if the computer is turned off, the LED display can still be displayed, but the broadcast information will be limited because the storage capacity of the control card is within a certain range, which is suitable for places where real-time requirements are not high.


Usualy, it wil be put in the cabinet and you can send the program to the sending card with computer via ethernet cable,3G,wifi, SD card, or USB thumb drive.


It wil be "uploaded" into the memory of the sending card. After that, the program will be transferred to the receiving card and lastly, the screens will broadcast the program automatically. 


In most cases, we recommend our customers choose the wifi router ( Within 10 meters ), to replace the ethernet cable with the wireless signal so that you get the greatest convenience to program the led display.


And for the 4G/3G option, there is no distance limit, you could change the content on your screen in any place of the world as long as it has the internet.


Please note that there is the maximum resolution of capacity for asynchronous control way, it must below 23.00.000 pixels.


Asynchronous-LED-Controller



Where Asynchronous Control Ways Are Mainly Used In?


Asynchronous control ways are mainly used in:

1. The Outdoor LED display will be installed in the high-speed way or some places where do not have the controlroom to put the computer.

2. Single color front door LED signboard.

3. Small led screen.

4. The installation where has no space to put the control computer near the LED screen.


Such as Pole or Column Bilboard, Shopping Mall, Plaza, Natural Park, Building Wall, etc. Contents such as advertising videos, pictures, text, etc. do not need to change frequently, using the asynchronous control system.


LED display control system is a significant part of the LED display, quality and service are particularly important.


Now, most customers choose the brands Novastar, Colorlight, Linsn, mainly because they do good products and keep up with the service.


poster led screen-ynchronous Control System

Conclusion


Choosing between synchronous and asynchronous control for LED displays depends on the specific needs of the application. Synchronous control offers high-quality visuals and real-time capabilities, making it ideal for dynamic content. In contrast, asynchronous control provides flexibility and cost-effectiveness, suitable for static or varied content. By understanding these differences, you can make informed decisions for your LED display projects.


Whether you are a business owner, event planner, or technology enthusiast, knowing the strengths and limitations of each control method will help you harness the full potential of LED displays in your endeavors.





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Shenzhen Atop Led Opto Electronic Co., Ltd is a global supplier specializing in R&D, production and sales of LED display screens. The main products include LED display rental series, indoor and outdoor advertising screen series, high-definition small-pitch series, sports stadium screen series, traffic guidance screen series and special-shaped screens.It is located in Bao' an, Shenzhen, the most centralized area 
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