阅读说明：本技术 多屏联动演示控制系统及方法 (Multi-screen linkage demonstration control system and method ) 是由 陈炯昊 于 2018-06-29 设计创作，主要内容包括：本发明涉及一种多屏联动演示控制系统,包括控制端、客户端,控制端与客户端通信连接。控制端包括中控终端服务器、多个数据终端服务器、中控控制终端、音视频处理模块、数据接收端口、数据发送端口。中控终端服务器包括视频信号源管理模块、显示窗口位置管理模块、显示画面管理模块、数据输入输出管理模块。中控控制终端包括中控界面,中控界面包括视频信号源列表窗口、显示窗口位置信息输入框、显示画面参数设置窗口、数据输入输出设置窗口。本发明还公开了一种多屏联动演示控制方法,包括多屏幕级联、屏幕画面调整、多屏联动交互等过程。本发明采用不同屏幕间的多屏联动方式,同时满足高清画面显示的需求,具有多屏高质量联动交互展示的特点。(The invention relates to a multi-screen linkage demonstration control system which comprises a control end and a client, wherein the control end is in communication connection with the client. The control terminal comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port. The central control terminal server comprises a video signal source management module, a display window position management module, a display picture management module and a data input and output management module. The central control terminal comprises a central control interface, and the central control interface comprises a video signal source list window, a display window position information input frame, a display picture parameter setting window and a data input and output setting window. The invention also discloses a multi-screen linkage demonstration control method, which comprises the processes of multi-screen cascade, screen picture adjustment, multi-screen linkage interaction and the like. The invention adopts a multi-screen linkage mode among different screens, simultaneously meets the requirement of high-definition picture display, and has the characteristic of multi-screen high-quality linkage interactive display.)

1. The multi-screen linkage demonstration control system is characterized by comprising a control end and a client, wherein the control end is in communication connection with the client,

the control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server is used for managing and controlling the multi-screen linkage demonstration process, the data terminal servers are used for storing management terminal data, the central control terminal is used for setting parameter information of the central control terminal server, the audio and video processing module is used for processing audio and video information, the data receiving port is used for receiving external data information, the data sending port is used for sending data information to the multi-screens,

the central control terminal server comprises a video signal source management module, a display window position management module, a display picture management module and a data input and output management module, wherein the video signal source management module is used for managing a video signal source, the display window position management module is used for managing the size and the position setting of a display window, the display picture management module is used for managing the parameter characteristics of a display picture, the data input and output management module is used for managing the input and output setting of audio and video data,

the central control terminal comprises a central control interface, the central control interface comprises a video signal source list window, a display window position information input frame, a display picture parameter setting window and a data input and output setting window, the video signal source list window is used for displaying a video signal source list, the display window position information input frame is used for inputting and setting the size and position parameters of the display window, the display picture parameter setting window is used for setting the display parameters of pictures, the data input and output setting window is used for selecting and setting the types, input channels and output channels of data,

the client comprises a data information input page, and the data information input page is used for inputting interaction and demonstration information by a user.

2. A multi-screen linkage demonstration control system according to claim 1, wherein the audio/video processing module comprises a gigabit switch and a plurality of graphic computer systems, the gigabit switch is used for connecting the plurality of data terminal servers and the plurality of graphic computer systems, and the plurality of graphic computer systems are used for processing graphic data information.

3. A multi-screen linkage presentation control system according to claim 1, wherein the data receiving ports include a remote data receiving port, a firewall, a router communicatively coupled to the plurality of data terminal servers via a gigabit network.

4. A multi-screen linkage presentation control system according to claim 1, wherein the data transmission port comprises a high definition video matrix switcher for connecting the audio/video processing module with a plurality of screen display devices.

5. A multi-screen linkage demonstration control system according to claim 1, wherein the display window position information input boxes include an upper distance numerical value input box, a left distance numerical value input box, a window height numerical value input box, and a window width numerical value input box, and the upper distance numerical value input box, the left distance numerical value input box, the window height numerical value input box, and the window width numerical value input box are used for setting specific position and size parameters of the window.

6. A multi-screen linkage demonstration control system according to claim 1, wherein the displayed screen parameter setting window comprises a brightness adjustment dragging bar, a contrast adjustment dragging bar, a black balance adjustment dragging bar, a screen vertical displacement adjustment dragging bar, a screen horizontal size adjustment dragging bar, and a phase adjustment dragging bar, and the brightness adjustment dragging bar, the contrast adjustment dragging bar, the black balance adjustment dragging bar, the screen vertical displacement adjustment dragging bar, the screen horizontal size adjustment dragging bar, and the phase adjustment dragging bar are used for setting screen brightness, contrast, black balance, vertical displacement, horizontal size, and phase parameter.

7. A multi-screen linkage demonstration control system according to claim 1, wherein the data input/output setup window comprises an AV matrix/RGB matrix selection bar, an input channel selection frame, an output channel selection frame, and an audio/video/audio-video selection bar, the AV matrix/RGB matrix selection bar is used to switch and select an AV matrix and an RGB matrix, the input channel selection frame is used to select an input signal source, the output channel selection frame is used to select an output screen, and the audio/video/audio-video selection bar is used to switch and select audio, video, and audio-video.

8. A multi-screen linkage demonstration control method is based on a multi-screen linkage demonstration control system, the multi-screen linkage demonstration control system comprises a control end and a client end, the control end is in communication connection with the client end, the control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server comprises a video signal source management module, a display window position management module, a display picture management module and a data input and output management module, the central control terminal comprises a central control interface, the central control interface comprises a video signal source list window, a display window position information input frame, a display picture parameter setting window and a data input and output setting window, the client end comprises a data information input page, the method is characterized by comprising the following steps:

the system is set through a central control terminal, a multi-screen array arrangement mode is selected according to different display environments, picture geometric correction is carried out on a plurality of screens, screen colors are unified, the picture response speed is adjusted, data information called by a central control terminal server is processed by an audio and video processing module and then sent to the plurality of screens through a data sending port for display, a user interaction stored in the data terminal server from a client side through a data receiving port is called by the central control terminal server, demonstration information is processed by the audio and video processing module and then sent to the plurality of screens through the data sending port for linkage and interactive display.

Technical Field

The invention relates to a multi-screen demonstration system and a multi-screen demonstration method, in particular to a multi-screen linkage demonstration control system and a multi-screen linkage demonstration control method, and belongs to the field of multi-screen control.

Background

Currently, multi-screen displays in the market are widely applied to various fields, and users want to achieve the purpose of displaying larger wide pictures through a multi-screen technology no matter whether the multi-screen displays are LED screens or projection screens. Meanwhile, users also want to realize multi-user and multi-screen linkage in a larger picture, such as a multimedia conference table, a multimedia interactive electronic board and the like, and can meet the requirement that multiple users commonly perform interaction, demonstration and other functions on a large screen. Therefore, many picture splicing technologies, multi-channel fusion technologies, and the like are developed. The common point is that the picture cascade processing is carried out based on the display products of the same batch, and the effect of transverse or vertical superposition of the final pictures is achieved. Its application and use still have certain limitation. Because the mainstream practice in the existing market is to superpose the pictures by splicing or fusion technology, the mode is really feasible, but the biggest defects and shortcomings are as follows: the method has the advantages that the dependency on product batches is strong, and the products in the same batch and the same type are required; the cross-platform display effect is poor, the picture is not clear, and the response speed is inconsistent; the operability of multiple persons is poor, and even the control of multiple persons cannot be met; and the multi-screen bidirectional and multidirectional communication and interaction are difficult to realize.

Disclosure of Invention

The invention discloses a multi-screen linkage demonstration control system and a multi-screen linkage demonstration control method, which adopt a multi-screen linkage mode among different screens, simultaneously meet the requirement of high-definition picture display, and solve the problem that the existing scheme can not realize cross-platform high-quality bidirectional and multidirectional linkage demonstration.

The multi-screen linkage demonstration control system comprises a control end and a client, wherein the control end is in communication connection with the client. The control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server is used for managing and controlling the multi-screen linkage demonstration process, the data terminal servers are used for storing management terminal data, the central control terminal is used for setting parameter information of the central control terminal server, the audio and video processing module is used for processing audio and video information, the data receiving port is used for receiving external data information, and the data sending port is used for sending data information to the multiple screens. The central control terminal server comprises a video signal source management module, a display window position management module, a display picture management module and a data input and output management module, wherein the video signal source management module is used for managing a video signal source, the display window position management module is used for managing the size and the position setting of a display window, the display picture management module is used for managing the parameter characteristics of a display picture, and the data input and output management module is used for managing the input and output setting of audio and video data. The central control terminal comprises a central control interface, the central control interface comprises a video signal source list window, a display window position information input frame, a display picture parameter setting window and a data input and output setting window, the video signal source list window is used for displaying a video signal source list, the display window position information input frame is used for inputting and setting the size and position parameters of the display window, the display picture parameter setting window is used for setting the display parameters of pictures, and the data input and output setting window is used for selecting and setting the type, input channel and output channel of data. The client comprises a data information input page, and the data information input page is used for inputting interaction and demonstration information by a user.

Furthermore, the audio and video processing module of the scheme comprises a gigabit switch and a plurality of graphic computer systems, wherein the gigabit switch is used for connecting the plurality of data terminal servers with the plurality of graphic computer systems, and the plurality of graphic computer systems are used for processing graphic data information.

Furthermore, the data receiving port of the scheme comprises a remote data receiving port, a firewall and a router, and the router is in communication connection with the data terminal servers through a gigabit network.

Furthermore, the data sending port of the scheme comprises a high-definition video matrix switcher, and the high-definition video matrix switcher is used for connecting the audio and video processing module with the plurality of screen display devices.

Further, the display window position information input frame of the scheme comprises an upper margin value input frame, a left margin value input frame, a window height value input frame and a window width value input frame, wherein the upper margin value input frame, the left margin value input frame, the window height value input frame and the window width value input frame are used for setting the specific position and size parameters of the window.

Further, the display picture parameter setting window of the scheme comprises a brightness adjusting dragging strip, a contrast adjusting dragging strip, a black balance adjusting dragging strip, a picture vertical displacement adjusting dragging strip, a picture horizontal size adjusting dragging strip, a phase adjusting dragging strip, a brightness adjusting dragging strip, a contrast adjusting dragging strip, a black balance adjusting dragging strip, a picture vertical displacement adjusting dragging strip, a picture horizontal size adjusting dragging strip, a phase adjusting dragging strip used for setting picture brightness, contrast, black balance, vertical displacement, horizontal size and phase parameter.

Further, the data input/output setting window of the scheme comprises an AV matrix/RGB matrix selection column, an input channel selection frame, an output channel selection frame and an audio/video/audio/video selection column, wherein the AV matrix/RGB matrix selection column is used for switching and selecting an AV matrix and an RGB matrix, the input channel selection frame is used for selecting an input end signal source, the output channel selection frame is used for selecting an output end screen, and the audio/video/audio/video selection column is used for switching and selecting audio, video and audio/video.

The invention also discloses a multi-screen linkage demonstration control method, which is based on a multi-screen linkage demonstration control system, the multi-screen linkage demonstration control system comprises a control end and a client end, the control end is in communication connection with the client end, the control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server comprises a video signal source management module, display window position management module, display frame management module, data input/output management module, well accuse control terminal includes well accuse interface, and well accuse interface includes video signal source list window, display window position information input frame, display frame parameter setting window, data input/output setting window, and the client includes data information input page, including the process: the system is set through a central control terminal, a multi-screen array arrangement mode is selected according to different display environments, picture geometric correction is carried out on a plurality of screens, screen colors are unified, the picture response speed is adjusted, data information called by a central control terminal server is processed by an audio and video processing module and then sent to the plurality of screens through a data sending port for display, a user interaction stored in the data terminal server from a client side through a data receiving port is called by the central control terminal server, demonstration information is processed by the audio and video processing module and then sent to the plurality of screens through the data sending port for linkage and interactive display.

The multi-screen linkage demonstration control system and the multi-screen linkage demonstration control method adopt a multi-screen linkage mode among different screens, simultaneously meet the requirement of high-definition picture display, and have the characteristic of multi-screen high-quality linkage interaction display.

Drawings

Fig. 1 is one of the schematic diagrams of a multi-screen linkage demonstration control system.

Fig. 2 is a second schematic diagram of the multi-screen linkage demonstration control system.

Fig. 3 is a third schematic diagram of a multi-screen linkage demonstration control system.

Fig. 4 is a flow chart diagram of a multi-screen linkage demonstration control method.

FIG. 5 is a diagram of user central management logic.

Detailed Description

The multi-screen linkage demonstration control system comprises a control end and a client, wherein the control end is in communication connection with the client. The control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server is used for managing and controlling the multi-screen linkage demonstration process, the data terminal servers are used for storing management terminal data, the central control terminal is used for setting parameter information of the central control terminal server, the audio and video processing module is used for processing audio and video information, the data receiving port is used for receiving external data information, and the data sending port is used for sending data information to the multiple screens. The central control terminal server comprises a video signal source management module, a display window position management module, a display picture management module and a data input and output management module, wherein the video signal source management module is used for managing a video signal source, the display window position management module is used for managing the size and the position setting of a display window, the display picture management module is used for managing the parameter characteristics of a display picture, and the data input and output management module is used for managing the input and output setting of audio and video data. The central control terminal comprises a central control interface, the central control interface comprises a video signal source list window, a display window position information input frame, a display picture parameter setting window and a data input and output setting window, the video signal source list window is used for displaying a video signal source list, the display window position information input frame is used for inputting and setting the size and position parameters of the display window, the display picture parameter setting window is used for setting the display parameters of pictures, and the data input and output setting window is used for selecting and setting the type, input channel and output channel of data. The client comprises a data information input page, and the data information input page is used for inputting interaction and demonstration information by a user. According to the scheme, a multi-screen linkage mode among different screens is adopted, the requirement of high-definition picture display is met, the requirement of multi-screen linkage in various industries is further met, a plurality of people can synchronously complete communication and management among a plurality of large screens, and cross-platform high-quality bidirectional and multidirectional linkage demonstration is realized.

In order to realize high-quality video output, the audio/video processing module comprises a gigabit switch and a plurality of graphic computer systems, wherein the gigabit switch is used for connecting the plurality of data terminal servers and the plurality of graphic computer systems, and the plurality of graphic computer systems are used for processing graphic data information. In order to realize the input and output of data, the data receiving port of the scheme comprises a remote data receiving port, a firewall and a router, wherein the router is in communication connection with the plurality of data terminal servers through a gigabit network. The data sending port of the scheme comprises a high-definition video matrix switcher, and the high-definition video matrix switcher is used for connecting the audio and video processing module with the plurality of screen display devices.

In order to realize parameter setting, the display window position information input frame of the scheme comprises an upper margin value input frame, a left margin value input frame, a window height value input frame and a window width value input frame, wherein the upper margin value input frame, the left margin value input frame, the window height value input frame and the window width value input frame are used for setting the specific position and size parameters of the window. The display picture parameter setting window of the scheme comprises a brightness adjusting dragging strip, a contrast adjusting dragging strip, a black balance adjusting dragging strip, a picture vertical displacement adjusting dragging strip, a picture horizontal size adjusting dragging strip, a phase adjusting dragging strip, a brightness adjusting dragging strip, a contrast adjusting dragging strip, a black balance adjusting dragging strip, a picture vertical displacement adjusting dragging strip, a picture horizontal size adjusting dragging strip, a phase adjusting dragging strip for setting picture brightness, contrast, black balance, vertical displacement, horizontal size and phase parameter. The data input/output setting window comprises an AV matrix/RGB matrix selection column, an input channel selection frame, an output channel selection frame and an audio/video/audio/video selection column, wherein the AV matrix/RGB matrix selection column is used for switching and selecting an AV matrix and an RGB matrix, the input channel selection frame is used for selecting an input end signal source, the output channel selection frame is used for selecting an output end screen, and the audio/video/audio/video selection column is used for switching and selecting audio, video and audio and video.

The invention also discloses a multi-screen linkage demonstration control method, which is based on a multi-screen linkage demonstration control system, the multi-screen linkage demonstration control system comprises a control end and a client end, the control end is in communication connection with the client end, the control end comprises a central control terminal server, a plurality of data terminal servers, a central control terminal, an audio and video processing module, a data receiving port and a data sending port, the central control terminal server comprises a video signal source management module, display window position management module, display frame management module, data input/output management module, well accuse control terminal includes well accuse interface, and well accuse interface includes video signal source list window, display window position information input frame, display frame parameter setting window, data input/output setting window, and the client includes data information input page, including the process: the system is set through a central control terminal, a multi-screen array arrangement mode is selected according to different display environments, picture geometric correction is carried out on a plurality of screens, screen colors are unified, the picture response speed is adjusted, data information called by a central control terminal server is processed by an audio and video processing module and then sent to the plurality of screens through a data sending port for display, a user interaction stored in the data terminal server from a client side through a data receiving port is called by the central control terminal server, demonstration information is processed by the audio and video processing module and then sent to the plurality of screens through the data sending port for linkage and interactive display. According to the scheme, a multi-screen linkage mode among different screens is adopted, the requirement of high-definition picture display is met, the requirement of multi-screen linkage in various industries is met, multi-user multi-screen interaction is realized, communication and management among a plurality of large screens can be completed by a plurality of users synchronously, and the requirements of various scenes such as demonstration, meeting and meeting activity are met.

On this basis, this scheme has still related to the control field of many screens linkage, carries out many screens linkage between different screens through forms such as network promptly, satisfies the demand purpose that high definition picture shows simultaneously. This scheme has both satisfied the user through many screen linkage demonstration control system to the show requirement of bigger broad width picture, can satisfy many screen linkages again, and interactive demand is shielded to many people, has following characteristics: the method has the advantages that synchronization among multiple screens is realized, processing such as picture acceleration and refresh rate is realized according to response speeds of different screens, and signal response speeds are ensured to be consistent; the problem of cross-screen communication is solved through array cascading among multi-screen signal sources; the control management technology realizes unified management among multiple screens in a matrix mode and the like, and realizes unified management no matter input and output or signal processing; the multi-screen multi-person interaction technology is characterized in that the core part of the multi-screen multi-person interaction technology is a communication technology, communication between screens is achieved, and both local communication and remote communication are achieved, so that smooth communication in different environments is guaranteed, and better experience and demonstration effects are achieved. Based on the characteristics, the scheme analyzes various screens which are mainstream in the market, including an LED screen, a projection screen, a liquid crystal display screen and the like, and performs combined analysis, and mainly comprises the following steps as shown in FIG. 4: the method includes the steps of performing connection processing among a plurality of screens, and designing an optimal multi-screen array arrangement mode according to different display environments; secondly, performing technical processing such as geometric correction of pictures on a plurality of screens, unifying screen colors, adjusting and correcting picture response speed and the like; establishing a management platform, wherein the management platform comprises matrix management among N control devices, namely distributed management of control signals; and fourthly, performing interactive management, and finishing communication control among the screens through communication among the screens or a control platform of a third party, such as a PAD (touch PAD), a mobile phone or other touch screens.

The multi-screen linkage system of the scheme is composed of a plurality of links, and is briefly described below.

Cascading processing among multiple screens

According to the scheme, various screens (projection, liquid crystal or LED) are cascaded, and the synchronous player ensures that pictures are played synchronously at 1/1000 seconds, so that the smooth and delay-free playing effect is achieved. Meanwhile, a plurality of hosts are connected through a Socket communication technology, and interaction display behaviors of terminals are connected in series by establishing a proprietary connection between a server and a client, as shown in fig. 2.

Picture optimization process

The scheme is realized by a video acceleration processing technology, namely a graphics card GPU and a special video processing core in a graphics card application processor. The processing core only occupies a small CPU utilization rate, and can provide excellent video images by using extremely low power consumption. Hardware acceleration type H.264, VC-1, WMV and MPEG-4 video decoding can reduce the occupation amount of a CPU as much as possible and play high-definition and standard-definition videos in H.264, VC-1, WMV and MPEG-4 formats extremely stably. The special video processing kernel provides ultra-smooth standard and high-definition videos on the PC without pause. Meanwhile, the separated video processing core unloads the complex video processing tasks of the CPU and the three-dimensional engine, thereby not only reducing the power consumption, but also enabling the PC to easily and freely run a plurality of applications simultaneously. The method provides clear pictures by eliminating ghosting, blurring and distortion phenomena, and removes edge aliasing by using time-space de-interlacing, de-ghosting and advanced scaling techniques. On any display equipment, through characteristics such as gray scale, brightness and saturation control, color temperature correction, LCD sharpening and the like, a better picture display effect is presented on any display equipment, and accurate and vivid colors are presented. In addition, the scheme is also provided with some conventional picture processing functions and plug-ins, including:

the fusion system is responsible for carrying out gradual change treatment on a side band part to be called a feathering process.

The projector color correction and the programmable multi-section high-precision chromatic aberration compensation are adopted, colors of all projectors are different in practical engineering, and the edge fusion system can correct colors of different projectors into the same color according to the color low matching standard.

The dark field/light leakage compensation mechanism and the multi-region multi-order dark field compensation are adopted, in a pure black environment, a part of light of the projector still irradiates the projection screen, a bright band appears in the middle, the edge fusion function can improve the light intensity of a non-overlapped part to offset the bright band to enable the image pictures to be consistent, the light leakage effect can influence the image quality, the light leakage compensation adjustment function can well solve the problem, the tone of the non-fusion area, the fusion area and the light leakage area is consistent by setting the width of the light leakage band and improving the black level value, and therefore the light leakage part is removed.

And the night view mode function is an advanced dynamic night view mode, when an image with high contrast is displayed, gray-white blurring can appear after dark field compensation and light leakage band adjustment, and the night view mode function is started to improve the contrast of the image, so that the image is bright and vivid in color.

The special-shaped geometric correction function and high-precision arbitrary special-shaped correction are achieved, a fast full-motion mode, a high-precision grid mode, an advanced pixel fidelity control technology, a nonlinear multi-filter technology and a texture compensation technology are supported, arbitrary special-shaped projections such as arc, column and sphere are supported, and 120Hz geometric correction is supported.

Network matrix screen management

And realizing networked management among a plurality of different screens and a plurality of corresponding signal source controls. The management system integrates high-definition video signals, external signal sources, internet computer signals, data server signals and the like. All signals can be displayed in real time in any window form on a large screen without distortion through the system. All functions of the system adopt modularized design combination, and great convenience is brought to user operation, system maintenance and upgrading. Meanwhile, matrix type switching, display and control functions among different signals and different screens can be realized under the same operation interface.

Networked server/client management mode

All operation control functions can be completed on any computer on the network, thereby greatly enhancing the flexibility and convenience of control, and a plurality of users can simultaneously operate the large screen, can place different display content windows on the same position of the large screen, and can realize interoperation, as shown in fig. 3.

Local/remote control mode

The local management is mainly to set parameters through a local control end computer to fulfill different requirements of playing contents. The remote control is based on the internet, different network sub-control computers can operate simultaneously, all operation interfaces are the same, information is consistent, the information is updated in real time through the network, and misoperation caused by the fact that different sub-control computers operate a large screen simultaneously is eliminated. The remote multi-screen application management system is based on a TCP/IP network protocol, can realize strong and big functions of remote operation, display mode management, signal source management and the like of a plurality of different users of a plurality of groups of large screens, enables the large screen to be conveniently and quickly controlled, is friendly and intuitive in operation interface, and thoroughly overcomes the defects of complex operation and the like of the traditional large screen.

Central control management system

The method is mainly based on unified management of equipment of a central management platform, a screen display end and a computer control end. The system uses an Ethernet UDP communication protocol to support RS232\485 communication and provide protocol codes, through the protocol, a user can design a control interface of the user, through a control host in a local area network, a mobile phone, a tablet personal computer and the like, a multimedia film or other digital contents appointed by the user can be played timely, and multiple screens can synchronously control uploading and playing. The user can also work with the external device through the protocol, such as: peripheral presentation devices, and the like. For advanced developers, a secondary development kit is provided, and a functional module is added on the basis of an original software interface to realize other synchronous control effects, as shown in fig. 5.

Based on the above, the whole multi-screen linkage control system of the present solution is mainly based on the connection display and linkage control between various types of screens, as shown in fig. 1, the whole hardware environment of the present solution includes: displaying terminals of different types: LED display screens, high-definition display screens, spliced screens, projectors (equipped with various types of imaging carriers), and the like; the main control kernel: i7, 16G and above memories, professional graphics processors (2G and above video memories), 250GB (SSD +2T) storage hard disks, USB3.0, gigabit network cards and the like; a control end: high-definition audio and video mixing matrix, network central control equipment and the like.

Therefore, the beneficial effect of this scheme lies in: the whole set of multi-screen linkage demonstration control system not only meets the function of demonstration playing, but also meets the requirements of various industries on multi-screen linkage, and a plurality of people can synchronously complete communication and management among a plurality of large screens, so that the demonstration, meeting, release meeting activities and the like can be easily coped with. The method comprises the following steps: the method has the advantages that the practicability of the screen and the system is improved, richer functions and simpler operation modes are provided at both a playing end and a control end, various dynamic image signals are quickly acquired, and higher guarantee is provided for a display site. The image display technology is improved, the color uniformity is controlled perfectly, the brightness and the uniformity of the image are consistent, the integrated image processing technology supports various system signals (digital, analog, network and the like), and the compatibility is strong; the openness and expansibility of the system are improved, the system can be directly accessed into computer RGB signals and video signals and also can be accessed into network signals, and the system can be used for displaying various real-time digital contents or applying data of a third-party platform by dynamically and comprehensively displaying various computer, text, network information and video image information of a signal system and a GIS system, so that an interactive platform with high definition, high brightness and high intelligence is provided for operators and users; the economy of the system is improved, the system can utilize hardware parameters and performances of various screens and control ends to the maximum extent during development, advantages of the system are fully exerted, demonstration performances are reflected only by superiority of the hardware parameters, and in addition, installation and debugging costs can be saved due to the multi-terminal and network control mode of the system; the network sharing performance of the system supports various PCs and workstations under the windows NT operating platform, the computers can be interconnected in a network form through a TCP/IP communication protocol, the connection number of the computers is not limited, any user workstation or PC on the network can share display resources of a plurality of screens, a plurality of network port configurations are supported, the networks are not connected with one another, and the safety and the reliability of the user system are ensured.

Based on the content and the characteristics, compared with the existing similar scheme, the multi-screen linkage demonstration control system and the method have the outstanding substantive characteristics and remarkable progress.

The multi-screen linkage demonstration control system and method of the present invention are not limited to the contents disclosed in the specific embodiments, the technical solutions presented in the embodiments can be extended based on the understanding of those skilled in the art, and simple alternatives made by those skilled in the art according to the present invention in combination with common knowledge also belong to the scope of the present invention.