CN102905120A - Method for synchronizing screens in different places for large-screen splicing system - Google Patents
Method for synchronizing screens in different places for large-screen splicing system Download PDFInfo
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Abstract
The invention provides a method for synchronizing screens in different places for a large-screen splicing system, and belongs to the technical field of computer software. The method specifically comprises the following steps of: building a screen display wall in a display system; extracting an audio signal through an audio amplifying system; acquiring a video signal in a video display system; and displaying the acquired audio signal and the acquired video signal which serve as audio and video signal sources on the built display wall. In order to solve the technical problem, the invention provides the method for synchronizing the screens in different places for the large-screen splicing system; a simple and friendly uniform interface is supplied to a user; management of the user is greatly facilitated; and meeting operation and maintenance cost is greatly reduced.
Description
Technical field
The present invention relates to computer software technical field, relate in particular to a kind of large-screen splicing system strange land screen synch method.
Background technology
In recent years, along with constantly popularizing and popularization of concept, the huge business potential of cloud computing constantly is demonstrated out.What is cloud computing? cloud computing is a kind of supercomputing pattern based on the internet, and in long-range data center, several ten thousand even several ten million platform computers and server connect into a slice.Therefore, cloud computing even can allow you experience the operational capability that per second surpasses 10 TFlops, so powerful operational capability is almost omnipotent.The user stores and computing by demand separately by mode access data centers such as computer, notebook, mobile phones.
Although everybody is saying cloud computing, really study product and land seldom, can be described as ' loud thunder but small raindrops '.Along with some local governments are thought, by " three words of cloud computing can obtain to promote the public praise of local scientific and technological industry development; can obtain again the reality of taking over the land for use and enclosing the land, can also finish the achievements of inviting outside investment; achieve many things at one stroke on this basis, the upsurge of cloud construction of base sweeps across China immediately.
Current, large screen display system is widely used in communication, electric power, command of armed force mechanism, play an important role aspect shared information, decision support, the situation demonstration providing, therefore, instantly the problem that needs those skilled in the art to solve is: the proposition how can innovate aspect large screen display system is effective measures more, to satisfy more demands of practical application.
Summary of the invention
Technical problem to be solved by this invention provides a kind of large-screen splicing system strange land screen synch method, gives succinct, friendly unified interface of user, is very easy to user's management, has also significantly reduced the meeting O﹠M cost.
In order to solve the problems of the technologies described above, the invention provides a kind of large-screen splicing system strange land screen synch method, comprising:
In display system, newly-built screen display wall;
Extract audio signal by the audio frequency public address system;
Gather the vision signal in the video display system;
The audio signal and the vision signal that gather are shown at newly-built demonstration wall as the audio-video signal source.
Further, described audio amplification system comprises conference microphone, full-range cabinet, power amplifier and audio processing equipment.
Further, described display system comprises main display, title display screen, large-screen splicing processor, large-screen splicing processor control software and matrix device.
Further, described main display adopts led light source.
To sum up, in the large-screen splicing of the present invention system strange land screen synch method, the characteristics of comprehensive management platform software are comprehensively, efficient, naturally be more suitable in mega project, especially for the convention intermediate item on new, the kind of equipment/system is many, scale is large, is starved of comprehensive, the easy-to-use composite conference management platform of a cover.
Description of drawings
Fig. 1 is the structural representation of a kind of large-screen splicing of the present invention system strange land screen synch method.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Structural representation with reference to a kind of large-screen splicing shown in Figure 1 system strange land screen synch method specifically comprises:
Step S101, in display system, newly-built screen display wall;
Step S102 extracts audio signal by the audio frequency public address system;
Step S103 gathers the vision signal in the video display system;
Step S104 shows as the audio-video signal source audio signal and the vision signal that gathers at newly-built demonstration wall.
In the practical application, the production scheduling command system mainly comprises: video display system, audio amplification system, control system, Active Eyes, scheduling communications system, video conferencing system, signal source system and overview display system.
Concrete:
(1) display system
Show in many ways and produce, sell, transfer, deposit and the information such as video, for managers at different levels and policymaker provide effectively instrument, make it grasp more fully information, the assistance leader makes a strategic decision.
(2) audio amplification system
Be used for scene and far-end sound reproduction.
(3) control system
The operation that is used for video display system, audio amplification system, Active Eyes, video conferencing system is integrated in one, and equipment is combined, and is convenient to centralized operation, simple flow.
(4) Active Eyes
With the video image of each factory and oil depot, be transferred to branch company or parent company command scheduling center by video server and camera.
(5) video conferencing system
Video conference terminal is installed, in order to realize the seamless access of command centre and branch company's video conferencing system.
(6) dispatching communication system
Command centre's dispatching patcher of finishing construction can realize the command scheduling of general business and in particular cases according to the prediction scheme emergency scheduling.
(7) signal source system
For providing video signal source at large information displayed on screen.
In the specific implementation, at first newly-built large-screen design size, newly-built 18 large-screen design sizes are referring to table 1 in concrete the application:
| Screen specification | Units |
| 2 * 660 cun | 11 |
| 2 * 880 cun | 1 |
| 2 * 460 cun | 5 |
| 2 * 650 cun | 1 |
Table 1
Display system mainly is to set up the large scale display wall, be used for showing remote job video monitoring, video conference image, emergency management system, service data information and TV media image, leader and dispatcher can show by large-screen, situation can more directly perceived, more specifically be grasped, for command scheduling makes a policy.
Display system mainly comprises main display: adopt led light source (splicing of DLP projecting cell (and 60 cun, 2*6), the equipment such as title display screen, large-screen splicing processor, large-screen splicing processor control software, matrix form.
In the situation that watch at a distance, picture is without significantly splicing the slit, display effect is limpid in sight, volume is little, convenience attractive in appearance, the pictograph information such as combination can high-resolution, high definition ground shows local rgb signal, video monitoring signal, network signal, TV signal, information issue signal can split screen and full screen display.
About the large scale display wall, show wall at the LED back projection splicing, the pattern splicing according to 2 row, 6 row is made of (60 cun) rear-projection unit.
Guarantee non-stop run in 7 * 24 hours, whole system mean free error time MTBF 〉=50,000 hours.
Ultra-screen Realtime Projection System should adopt standardization, modularized design, and advanced technology is easy to expansion, simple to operate, easy to maintenance, reliable and stable.
High-resolution 1400*1050, high brightness 600ANSI, high-contrast 1400:1, image color is Well-recovered, clear display, the distortion factor is little, and brightness is even.
The large screen display system picture can whole screen display show, but also split screen shows, can open at random any a plurality of window, signal window can be to any convergent-divergent, movement, roaming and stack in whole screen scope.
Large screen display system adopts Environmental Design, and parts (colour wheel and the fan) noise that single screen produces noise is no more than 40dB (A).
Brightness uniformity is not less than 95%, and picture is stablized flicker free.
Projecting cell possesses built-in image processing module, possesses the input of 1 road rgb interface, 1 road analog rgb input port, 1 road VIDEO input port and the input of 1 road high-definition signal, supports the straight-through demonstration of rgb signal.Have " picture-in-picture " Presentation Function, through connect signal not only can arbitrarily M * N amplify demonstration above the screen, arbitrarily convergent-divergent, movement of signal window, superpose, stride screen display and show etc., the mode of its splicing and demonstration is unrestricted.
About the large-screen splicing processor: satisfy the complete digital hyper tape width bus of exchange of 160Gbps and transfer of data at a high speed, guarantee the signal refresh rate.Hardware minimum requirements: adopt dual core processor, the above internal memory of 2GB, two 160GB hard disks; DVD drive has serial ports, parallel port and USB interface, 2 road 1000Mbps network interfaces (the RJ45 port can expand to 10 road 1000Mbps network interfaces).
The Chinese operation interface, and have fully the correct ability that shows of the Chinese character of various signal source input windows.
System should be based on Linux or Windows operating system; Support and the computer network communication of MS WindowsNT/XP and UNIX operating system, support the agreements such as TCP/IP, X-Window, complete compatible X11R5, X11R6 agreement.
Energy receives following signal and shows at large-screen:
Rgb signal: support VGA, SVGA, XGA, the analog-and digital-Computer signal of SXGA is processed and is shown fully in real time;
Vision signal: support PAL, SECAM, NTSC and component vide, composite video signal;
IP vision signal: can support digital IP streaming media video signal input to show.
Network signal input: by the network software for display fast processing network signal of specialty, all signals all can be on large-size screen monitors arbitrarily windowing show, and realize the operations such as the dwindling of signal window, amplification, stack or roaming.The desktop network is grabbed screen display and is shown that refresh rate was not less than for 30 frame/seconds, was not less than for 20 frame/seconds under the displaying video state.
Whole mosaic screen can be counted as the virtual screen that monoblock is not separated, also can be as required flexibly subregion show, all signal windows should be able to arbitrarily convergent-divergent, roaming in whole screen scope, superposition, strides the screen display covering of showing, superpose, and are unaffected each other.Require all signal windows to show in real time, without delay, non-jitter, do not crash.
Function about large-size screen monitors control software:
Chinese operation, control and maintenance interface.System controlling software is possessing under the powerful comprehensive function prerequisite, and the mode of operation practicality is simple and direct, and is convenient easy to learn, makes the user easily grasp the regular job of large screen system.The user only needs simply to click step by mouse and keyboard, just can carry out the Synchronization Control operation to the plurality of devices of large screen system, realizes flexibly the demonstration control of all kinds of images.
All computer control, network control are carried out in the various feature operations of display system.The switch of all display units, color, brightness adjustment, key start, a key shut down, remote monitoring maintenance is all realized at control software, and these functions can realize at other computer by network authorization.
Control software can accomplish that brightness and color consistency that whole screen display is shown carry out intellectuality adjustment.
Multi-user's authentication and authorization mechanism is provided, can be different operators and distribute specific operation and access rights.The keeper can authorize to each operator the authority of various operating functions, but also can set according to the large-screen zones of different each operator's operating area.
Supply a pattern and the management of prediction scheme.The operator can become the mode to display mode and the layout preservation of various signal windows, perhaps is customized to prediction scheme according to sequential, and can carries out quick calling to pattern and prediction scheme by shortcut, realizes automation control and management function.
Large scale display wall part is not included in this bid section by the buying of large-screen bid section.
About audio amplification system: modern sound system has not been simply to stack audio amplifier and equipment connects, but " sound closed-loop system " that integrates acoustics (sound field) and electronics (electroacoustic equipment connects), purpose is exactly the speech articulation that will guarantee the hall, takes into account the richness of music.
Audio amplification system mainly comprises the equipment such as conference microphone, full-range cabinet, power amplifier and audio frequency processing.
Conference microphone is used for operating personnel or visits when commanding the leader to open video conference and the far-end dialogue.Conference microphone can pick up the sound of whole dispatch area, in the situation that the talker do not open microphone and apart from microphone far away also can guarantee to record clear.
The function of sound console and audio process is basic identical, and processor increases the function of some peripheral equipments, and conveniently is connected with middle control, may write according to demand the control interface.So that the more convenient operation of equipment and unification.4 full-range cabinets of scheduling indoor location are as main public address, and are loud and clear, even with the sound field effect that guarantees the control room.
About integrated management control system, control system can be carried out centralized control to electric equipment by IPAD palmtop PC or control computer interface, comprises that display system, audio amplification system, signal switch lighting.Touch-screen and control computer can both realize controlling function.
The province control centre that does not have intelligent central control system in 18 newly-built new control centres and built control centre selects U.S. AMX NI4100 plate card type Intelligent central main control system, and cooperation apple IPAD2 palm touch computer realizes control and the management in the meeting-place.The comprehensive management platform software that aims at the exploitation of safety in production commanding dispatching system is directly really looked logical in Beijing, carries out centralized management and monitoring that the whole network is sold the control centre, has realized the unified management of sales company of CNPC, the strategy of unified O﹠M.
Control system comprises that mainly middle control main frame, touch-screen, control computer, the equipment such as comprehensive management platform control software, sequential power supply and electrical relaybox form.Can realize screen removal of home function by whole network regulation examination, the mode of this screen removal of home non-transmitting video-frequency flow of function (accounting for the network bandwidth high), but the mode of Communication Control signal on the Adoption Network, reduced greatly the situation that the network bandwidth takies, as long as the signal source of two places all can be called in this locality, can be by realizing screen removal of home function by the pipe platform.This kind mode is under certain constraints at present, the mode of saving resource.
Function about comprehensive management platform control software
Can realize the intellectuality control that automaticity is high, reduce operating personnel's Operating Complexity as far as possible, realize the control mode of " key puts in place " formula, on a management platform, each subsystem be carried out unified management, comprise:
The large scale display control system;
Audio system;
Video conferencing system;
Recording and broadcasting system;
Active Eyes;
The Intelligent central control system.
About centralized monitor, the equipment that can transfer the each province on software interface carries out remotely monitor and control.
1) Power Supply Monitoring function comprises:
● the switch of control system power supply;
● the on off state of DLP display system power supply;
● can timing open and close equipment.
2) Voice Surveillance function comprises:
● can realize quiet/cancel quiet operation;
● can regulate volume;
● can call the prepattern of audio process;
● can show mute state;
● can show volume value.
3) matrix control function comprises:
● handover operation that can realization matrix;
● can name the input/output end port of matrix.
4) can carry out Real-Time Monitoring to the parameter of DLP Mosaic screen
The operating state that shows in real time operation information with monitoring movement, the processor of each signal source window is such as cpu temperature, fan work situation.
5) can monitor the on-line/off-line state of all video conference terminals
About the location of product, the fact shows, towards the integrated management software of meeting high using value arranged, and can greatly improve the information system management level of enterprise, it seems that specifically following points merit attention:
The critical role of integrated management software in meeting class integrated project shows especially day by day.
Along with the develop rapidly of technology and the day by day renewal of equipment, the equipment that meeting is relevant/system's kind is more and more, scale is increasing, meanwhile, the level of informatization of enterprise is also more and more higher, and interpenetrating of meeting and other application of enterprise is also more and more frequent, therefore, traditional management software that only utilizes equipment itself carries out conference management and has become very loaded down with trivial details, difficult, in addition can be described as can not.The expert builds consensus, that is: imperative for conference applications outfit one cover integrated management software platform, it will be soul and the brain of conference applications, is playing the part of indispensable key player.
Traditional conference management is a kind of situation of doing things in his own way, that is:
Meeting room integrated equipment/system is managed by central control system (being central control system);
Various kinds of equipment/system (such as video conference, recording and broadcasting system, digital bulletin system etc.) also is by separately independently device-specific management software management;
In addition, also have numerous other application (such as OA, mailing system, resource management software, identity authorization system, SMS platform etc.) that may contact with meeting, they also all are some isolated IT application;
The predicament that the client faces is: above 3 is most of mutually isolated, but modern meeting has related to all above-mentioned management areas, even reached inseparable degree, wants to carry out unified conference management, and its difficulty is well imagined.
This programme is presented to succinct, friendly unified interface of user, is very easy to user's management, has also significantly reduced the meeting O﹠M cost.This shows, integrated management software is not only absolutely to make something perfect even more perfect, but a kind of choosing of extremely urgent certainty.
Comprehensive management platform software is in different levels from the device-specific management software in corporate process, locate also not identical, so aspect marketing, the two does not conflict, on the contrary, between them should be a kind ofly complement each other, co-operating optimum complementary relationship, in brief, comprehensive management platform software is not intended to replace, and focuses on integration.
Since the characteristics of comprehensive management platform software are comprehensively, efficient, it is more suitable for naturally in mega project so, especially for the convention intermediate item on new, the kind of equipment/system is many, scale is large, be starved of comprehensive, the easy-to-use composite conference management platform of a cover, guarantee whereby the client:
√ saves management cost
√ increases work efficiency
√ reduces operate miss
In addition, for existing big customer, because equipment is constantly upgrading, function is constantly in expansion, and scale is constantly enlarging, must cause new, used equipment to be used with, version is different, and management inconvenience etc. series of problems is for problems, outmatching the comprehensive management platform software on the device-specific management software, obviously is the only choosing of optimal solution.
In sum, comprehensive management platform software has become must the joining of standard configuration, convention class integrated project of meeting class integrated project.
Through our intensive investigation, analysis, we find, for the exploitation of composite conference management platform software, and the following points phenomenon:
● the manufacturer of this type of platform software of exploitation of having the ability because requirement is very harsh, is exactly the threshold that is difficult to cross over such as following condition seldom:
√ must have technology accumulation very dark, for many years in the meeting industry;
√ must be proficient in each technological layer of meeting intermediate item simultaneously very much;
√ must have a lot of large-scale successful item experiences;
√ must have customer resources stable, high-quality can the first-hand customer demand of Real-time Obtaining;
√ must have long-term good cooperative relations with equipment vendors.
● some external software and domestic conference management pattern, custom are far from each other, are difficult to be applied to domestic correspondent;
● domestic software just carries out limited administration to certain equipment/system of meeting mostly, and stability, compatible relatively poor.
Above a kind of large-screen splicing provided by the present invention system strange land screen synch method is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. large-screen splicing system strange land screen synch method comprises:
In display system, newly-built screen display wall;
Extract audio signal by the audio frequency public address system;
Gather the vision signal in the video display system;
The audio signal and the vision signal that gather are shown at newly-built demonstration wall as the audio-video signal source.
2. large-screen splicing according to claim 1 system strange land screen synch method, described audio amplification system comprises conference microphone, full-range cabinet, power amplifier and audio processing equipment.
3. large-screen splicing according to claim 1 system strange land screen synch method is characterized in that, described display system comprises main display, title display screen, large-screen splicing processor, large-screen splicing processor control software and matrix device.
4. large-screen splicing according to claim 3 system strange land screen synch method is characterized in that, described main display adopts led light source.
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| CN103530083A (en) * | 2013-10-31 | 2014-01-22 | 广东粤铁瀚阳科技有限公司 | Cloud computing based super display platform for mass information |
| CN103677719A (en) * | 2013-12-24 | 2014-03-26 | 广东威创视讯科技股份有限公司 | Spliced wall display method |
| CN104202539A (en) * | 2014-09-17 | 2014-12-10 | 北京中科先拓科技发展有限公司 | Tiled screen meeting display method |
| CN104866268A (en) * | 2015-06-12 | 2015-08-26 | 武汉兴图新科电子股份有限公司 | Method for synchronously displaying large-size screen business operations in different halls |
| CN103530083B (en) * | 2013-10-31 | 2016-11-30 | 广州瀚阳工程咨询有限公司 | A kind of super display platform of magnanimity information based on cloud computing |
| CN106791487A (en) * | 2016-12-19 | 2017-05-31 | 广东威创视讯科技股份有限公司 | A kind of DLP system based on machine learning |
| CN107040761A (en) * | 2017-04-26 | 2017-08-11 | 江苏新和网络科技发展有限公司 | A kind of command centre's control system applied to public security bureau |
| CN110225292A (en) * | 2019-06-13 | 2019-09-10 | 深圳市闪联信息技术有限公司 | A kind of conference control equipment and its exchange method based on two separate display |
| TWI706364B (en) * | 2017-11-16 | 2020-10-01 | 大陸商北京點石經緯科技有限公司 | A Smart Classroom Teaching System Based on Internet of Things |
| CN112631532A (en) * | 2019-10-09 | 2021-04-09 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method, device and system and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103530083A (en) * | 2013-10-31 | 2014-01-22 | 广东粤铁瀚阳科技有限公司 | Cloud computing based super display platform for mass information |
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| CN107040761A (en) * | 2017-04-26 | 2017-08-11 | 江苏新和网络科技发展有限公司 | A kind of command centre's control system applied to public security bureau |
| TWI706364B (en) * | 2017-11-16 | 2020-10-01 | 大陸商北京點石經緯科技有限公司 | A Smart Classroom Teaching System Based on Internet of Things |
| CN110225292A (en) * | 2019-06-13 | 2019-09-10 | 深圳市闪联信息技术有限公司 | A kind of conference control equipment and its exchange method based on two separate display |
| CN112631532A (en) * | 2019-10-09 | 2021-04-09 | 西安诺瓦星云科技股份有限公司 | Bright and dark line adjusting method, device and system and computer storage medium |
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