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Last we talked about what are the problems of asynchronous graphic LED display
Today, all say, LED display a high level of problem reply.
Mainly common controller can realize the LED display screen group control of craigslist.
Why choose embedded real-time + offline combined controller a: users now use the LED display big points two kinds, asynchronous or synchronous and asynchronous screen, no gray, mostly poor display effect, normally only show single or double color, full-color, rarely give priority to with words.
But can offline, according to the user use convenient and flexible networking, display management is relatively simple.
Sync with gray, screen, display effect is good, full color is more, give priority to with graphics, images, video, but can not be offline, the user use is not very convenient, network trouble, more screen management relatively complex.
+ offline combined controller in real time.
Successful to solve the above problems, it can be synchronous display, but also display asynchronous.
And synchronous and asynchronous can be arbitrary switching, to the user use display, provides one of the most convenient to use.
Embedded real-time + offline combined controller is how to control the display?
A: embedded real-time + offline display, is mainly composed of DVI send controller or 1000 MB card, CPU, memory (
Four parts, scanning display driver.
The battery real-time audio processing + offline combined controller?
Answer: in the offline state, controller has a built-in audio processor, can be offline playback of audio.
But in real time audio is through the DVI send controller (
Or 1000 MB card)
Of real time audio collection, through the 1000 m Ethernet cable to send to the controller, through audio playback to broadcast on the same chip.
So the controller's audio can be real-time, offline arbitrary switching.
Real-time + offline combined controller for what occasion?
A: + offline combined controller in real time, to adapt to many occasions, such as customer asked: you don't have to open a computer screen can be used?
Answer: can the customer ask: your display turned on the computer can use?
A: you can display completely put aside the concept of asynchronous synchronization, is a revolution in display applications.
Shall not apply to the workplace: television screen, large screen 5.
Controller can off-line animation and video?
A: this controller can directly accept various video format files, software automatic processing to adapt to the size of the display screen and don't need to cut into a bitmap, directly to MPEG4, AVI, FLV, BMP format sent to the control card and so on.
LED display display images need to gray?
A: the images on the computer is full color, want to real reduction effect, only the LED full color can do it.
In single color LED screen can only display design, double color screen display pictures more like a black and white photos (
Must also have a grey scale)
So-called gray level images ability refers to the LED performance indicators, no gray can only display text and pattern.
Controller can realize controlled group of screen?
Answer: the control card, with Ethernet (
Local area network (LAN)
Network interface, can be convenient.
Through the LAN in the computer to control the connected to the display screen, suitable for group of screen connected to release information.
As everyone chung yue ask and interactive, today's topic gradually meet the end.
Here, to say goodbye to you, if you have more questions, you are welcome to contact our customer service, will wait patiently for your answer, thank you for your attention.
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