CN204707196U - The tiled display equipment of video conferencing system can be accessed - Google Patents

Abstract

The utility model proposes a kind of tiled display equipment that can access video conferencing system, this equipment comprises multiple stage display, the distributed cloud controller of multiple stage, multiple stage switch, videoconference server and systems soft ware; Multiple stage display forms combination; Multiple stage switch forms local area network (LAN) by cascade, provides the transmission channel of data and control command, and form the framework core of IP network, videoconference server access network also controls display; Multiple stage distributed cloud controller accesses the switch of corresponding level, and is connected with corresponding display by video connecting line, and cloud controller adopts PCI-E bus mother board and is equipped with Inter processor.This equipment also can make it have the function such as video decode, server stores after being applied to video conferencing system.Compared with traditional scheme, this system has high-performance, high reliability, high expansion, and cost is low, and information processing, analysis and managerial ability are strong, and resolution is high, and cost performance is high, shows in real time, the advantages such as environmental protection.

Description

The tiled display equipment of video conferencing system can be accessed

Technical field

The utility model belongs to large scale display field, relates generally to the technology contents such as large-screen splicing display and control.Especially a kind of tiled display equipment that can access video conferencing system.

Background technology

Along with the fast development of multimedia technology, large-screen splicing display system becomes very multiple services centralized displaying platform, for operation, commander, decision-making provide display comprehensive function; System is spliced by display units such as polylith DLP or LCD, integrate a large amount of image information display, large picture display is flexibly provided, meet the instructions for use of long-term uninterruptedly stable operation in 7 × 24 hours, possess abundant information, the picture of super large, pure color, the effect of high definition, the flexibly feature such as tissue and stable performance.

What current large-screen splicing display field generally adopted is centralized splicing controller, due to centralized splicing controller input, export quantity and have a definite limitation; And along with the development of digital information Display Technique, industry-by-industry, to the increase of the requirement on flexibility of large scale display, shows to high definition, ultra-large scene the increase required; Meanwhile, networking also makes every profession and trade propose the requirement realizing information sharing between the superior and the subordinate, zones of different, and traditional, centralized large-screen splicing display system can not meet above-mentioned requirements.

Utility model content

In order to meet the demand of client's development, present applicant proposes the large screen display system of a kind of cloud (MCS multimedia control system), this system adopts parallel computation (namely " cloud " calculates) and operating technology, ultrahigh resolution is shown large-screen and carry out module cluster, integrative display wall splicing simultaneously, multi-screen image treatment technology, signal switching technology, network technology etc., the system that improves is shown all kinds of magnanimity information revolutionaryly, process, analyze and managerial ability, form a high performance information processing, analyze, the Integrated Information Centre of management and information display and control.

This system is that user provides a powerful interactive generalization intelligent centre platform, can be video conferencing system and provides the most effective up-to-date technical support.

In order to reach above-mentioned utility model object, the technical solution of the utility model is as follows,

Can access a tiled display equipment for video conferencing system, comprise multiple stage display, the distributed cloud controller of multiple stage, multiple stage switch, videoconference server and systems soft ware, multiple stage display forms combination; Multiple stage switch forms local area network (LAN) by cascade, provides the transmission channel of data and control command, and form the framework core of IP network, videoconference server access network also controls display; Multiple stage distributed cloud controller accesses the switch of corresponding level, and be connected with corresponding display by video connecting line (video connecting line can be radio frequency line, the video line of RGB component lines, VGA line, DVI line, HDMI wire, DP line, SDI line or other kinds), cloud controller employing PCI-E bus mother board is also equipped with Inter processor.

Described videoconference server has video decode function and memory cell, and this memory cell can be hard disk, erasable DVD, for storing conference content.

Described display can be ultra-narrow limit liquid crystal flat-screen CRT monitor, and image display is without curve distortion, and smooth as one, single screen resolution reaches 1920 × 1080 or higher, and screen resolution is high, ultra-thin and ultra-light, can be widely used in multiple public arena; Display also can be other display units such as LCD, LED, MPDP, DLP, projecting apparatus.Especially, the described curtain wall that connects adopts the ultra-narrow limit liquid crystal flat-screen CRT monitor using Samsung DID narrow limit technology, has the feature of high brightness, environmental protection, low maintenance cost and minimum 3.5mm piece thereof.

Described distributed cloud controller is professional high performance controller, the mode of grading control is adopted to be configured, namely master node control sends instruction to child node controller, every platform distributed cloud controller wherein as child node can connect 4 or 8 display units as an independent Node Controller routine, as user needs, can expand, expansion quantity is the integral multiple of 4.

Systems soft ware comprises system platform and interface, Database Systems, large-size screen monitors control and management software, large-size screen monitors software for display, client-side management software, client video send software, audio video transmission control software design etc.; User administration software can be installed on any station server in grid, forms large-size screen monitors management server, by certain priority assignation, realizes user to any editor and the management of showing content, display area, exhibition method; Pass through high performance software, 4 or the 8 pieces of displays realized it controls carry out image rendering, the Large Copacity graph image realizing ultrahigh resolution is shown fast, its major function is be responsible for dividing and time scheduling management the multiple-aspect territory coordinate of this video flowing, the instruction that child node controller sends according to master node control to the Image Segmentation Using received, and is amplified the image of to one's name range of management, is played up process.

Preferably, system is primarily of n estrade Node Controller, 4n or 8n block ultra-narrow limit liquid crystal display, two master node control, server, network system and systems soft ware compositions; The basic platform of child node controller, master node control and express network construction system high-performance display, file server, streaming media server and high definition video collecting server realize the unified management to Large Volume Data and digital stream media, and large-screen management server realizes unified management large-screen being shown to signal and scheduling;

System is controlled by gigabit and data network forms jointly, and each Node Controller and kilomega network connect, and gigabit networking is made up of jointly 48 mouthfuls of gigabit switch clusters and six class netting twines, and main task is for transmitting large-capacity video stream and graphic image data transmission.

Adopt the tiled display equipment that can access video conferencing system of the present utility model, its image processing server can adopt the general video card of main flow PC+ polylith in the market to make, can by decoding capability, video driver ability, the different demand of image-capable, the performance of arbitrary disposition server and output channel;

Managed the server of multiple difference configuration by uniform client, realize the combination driving different scales arrangement; Owing to can adopt multiple server can simultaneously distributed work, every station server has the powerful display capabilities of the powerful CPU disposal ability of main flow PC and video card, make whole system decoding capability simultaneously and image-capable restricted hardly.

The tiled display equipment that can access video conferencing system of the present utility model has video decode, server stores function, after access software video conferencing system, video conferencing system can be made to have meeting memory function, and it is unrestricted to video conference number of nodes, audio frequency in meeting-place, video, document picture etc. are easily shown, and can free interaction, adapt to from the desktop type meeting of convenient dexterity to powerful video conference management platform

Cloud controller in the utility model adopts parallel computation (i.e. cloud computing) and operating technology, PCI-E bus mother board is equipped with the state-of-the-art process kernel of Intel, by the design standard of technical grade, for splicing system provides powerful basic-level support.Not only solve the input of current centralized splicing controller, export quantity and signal quality restriction, system upgrade difficulty, and the dispersion of distributed AC servo system management, the skimble-scamble shortcoming of system coordination; More be integrated with display wall splicing, multi-screen image treatment technology, signal switching technology, network technology etc., and merge the distributed processing system(DPS) of existing physical aspect, from the distributed form of network technology of bottom layer realization signals collecting and display, reach signal transacting and unify management and control.And because of the open exploitation port of controller, can be operated by control software design by demand customized development systemic-function, take IP network as framework core, form huger splice displaying system.

Use display system that cloud controller is core to can be user and provide a powerful interactive generalization intelligent centre platform, for every profession and trade digitlization, informationalized video conference provide the most effective up-to-date technical support.Cloud controller, unified various audiovisual Presentation Function demand, and lead large screen splicing system to develop to large data interaction platform direction that is convenient, intensive, that share.Cloud controller, makes splicing equipment be no longer single application, and becomes the powerful house keeper of whole display system.

The beneficial effects of the utility model are:

1. " cloud controller " is calculated as basis in a distributed manner, display all-digital acquisition, and total exchange high-speed transfer achieves the visual of mass data, supports the display of high definition, ultra high-definition signal, supports real-time dynamic interaction;

2. contrast with traditional solution deployment way, cloud display system application deployment mode is simple, is framework core, forms comprehensive technical advantage with IP network.Be mainly reflected in following several respects:

2.1 high-performance: support the display of ultra-large scene signal (as: 4K signal), ultra high-definition image.Advanced simultaneous techniques, ensures that all screen temporal synchronization show;

2.2 high reliability: product is around high speed IP data network struction, and all signals are pushed directly on display device by switch, and operational reliability is high;

2.3 high expansions: adopt networking Signal transmissions, can increase input signal source whenever and wherever possible, expand output display unit quantity arbitrarily.Easy enforcement, easy care: product facility standardization level is high, number of devices is few, can Rapid Implementation, be easy to safeguard;

2.4 integrated costs are low: because system master is few, after child node controller is attached directly to display screen, do not have complicated switching device and cable, communications cost is low, totally takies machine room space very little, the simple cost of labor of O&M is low, and system energy consumption is little, saving operating cost.

3. powerful information processing, analysis and managerial ability: system adopts modularization Clustering, utilizes advanced parallel information disposal ability, for all kinds of magnanimity information provides the operation platform of efficient stable.Systems soft ware is one, and efficient distributed visible systems soft ware, can make hardware configuration under visual cluster instruction, perform various operation (as high-resolution splice displaying system) flexibly, realizes the real-time Transmission display of high-definition picture.Systems soft ware overcomes the defect that conventional display system shows in a network environment, by the Web communication layer based on multithreading of a lightweight, plays up the application example on all nodes.And provide friendly visualization interface to present to user.

4. have multimedia shown in parallel and control ability, ultrahigh resolution signal source shows by system on large-screen, and carries out multichannel, multimedia (real-time audio, video etc.), the displaying of many pictures Intelligent and Parallel simultaneously.

5. have ultrahigh resolution, system adopts world latest generation distributed parallel display technique, and display unit is made up of the LCD of ultrahigh resolution, thus makes image resolution ratio can up to more than several hundred million pixel.

6. cost performance is high, the display screen of system is formed by LCD module cluster, add the application of advanced parallel processing technique, the hardware device cost of Systematical control is reduced greatly, system is without the need to buying separately the equipment such as decoding device, matrix, and achieve under rational cost conditions, the Concurrent Display of superhigh precision, super large panel, multimedia, multi-channel information.

7. cloud data message shows in real time, can capture that rear end multisystem data are point-to-point in a variety of manners on screen to be presented and management and control, provides most suitable data display the most intuitively.

8. environmental protection, the controller caloric value of cloud display control program is little, radiationless, flicker free, do not hinder eye, do not contain hazardous substance (as lead, mercury, cadmium and chromium etc.), be a new generation environment protection health controller.

Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.

Accompanying drawing explanation

Below in conjunction with drawings and Examples to the further detailed description of the utility model.In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, the accompanying drawing (except prior art figure) that the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, in the following detailed description, above-mentioned purpose of the present utility model, feature and advantage are by apparent; And under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is conventional big screen display splicing structure chart

Fig. 2 is the tiled display equipment topological diagram that can access video conferencing system of the present utility model

Fig. 3 of the present utility modelly can access distributed real-time cloud tiled display structure chart in the tiled display equipment of video conferencing system

Fig. 4 is the tiled display equipment overall structure figure that can access video conferencing system of the present utility model

Embodiment

Below, preferred embodiment of the present utility model is described in detail with reference to accompanying drawing.It should be noted that before this, the term used in this specification and claims book or word can not limited interpretation be implication in common implication or dictionary, and should based in order to illustrate that principle that the novel people of its practical novel practical can carry out suitably definition to the concept of term is interpreted as meeting implication and the concept of the utility model technological thought in the best way.Thereupon, the structure represented in embodiment described in this specification and accompanying drawing is one of the utility model most preferred embodiment, technological thought of the present utility model can not be represented completely, therefore should be understood that the various equivalent and variation that may to exist for the utility model and can carry out replacing.

Such as, in the middle of specification and claim, some vocabulary is employed to censure specific components.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word comprise directly any at this and be indirectly electrically connected means.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically connected at described second device, or be indirectly electrically connected to described second device by other devices or connection means.Specification subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of rule of the present utility model, and is not used to limit scope of the present utility model.Protection range of the present utility model is when being as the criterion depending on the claims person of defining.

Embodiment of the present utility model is explained below in conjunction with Figure of description.

As shown in Figure 1, in conventional video Control system architecture, all input pictures all must access in Video Controller, and all output images are exported by Video Controller.The core component of this kind of processing mode is multi-screen processor (image stitcher), and this kind of equipment mostly is pure Design of Hardware Architecture, without operating system.Decoding, the work of playing up of whole large-size screen monitors display image all concentrate in image stitcher and complete, and the system expandability is poor, and reliability is not high.

As shown in Figure 2, be shown as example with common 4 row 8 row large screen splicings, its system splicing principle is as follows, and system forms an overall local area network (LAN) by switch.Master node control and multiple stage child node controller are by exchange interface access to LAN.The image acquisition workstation of different-format is also by exchange interface access to LAN.Digital video stream signal or video server directly enter network by exchange interface, and analog video stream signal enters local area network (LAN) by image processing workstations.

The handling process of vision signal is: directly enter the digital video frequency flow of network or be sent to each child node controller through the analog video stream of image workstation input in the mode that network is mass-sended.Master node control is responsible for dividing and time scheduling management the multiple-aspect territory coordinate of this video flowing.The instruction that child node sends according to master node control to the Image Segmentation Using received, and is amplified the image of to one's name range of management, is played up process.

Main building block function is as follows: master node control: by gigabit or 10,000,000,000 network interface access switch, realizes the management to multiple child node controller in control flow check (Control Stream) mode.Major function is divide and time scheduling management the multiple-aspect territory coordinate of video flowing.

Child node controller: each child node controller has 4 road DVI to export.The connection with Mosaic screen is realized, meanwhile, by gigabit or 10,000,000,000 network interface access switch by 4 DVI cables.Multiple child node controller and master node control cooperatively form local area network (LAN).The major function of child node controller is the control command according to master node control, plays up and relevant treatment, and be correctly presented on connected 4 pieces of screens the displaying contents of 4 pieces of screens that it connects.

File server: by gigabit or 10,000,000,000 network interface access switch, realizes with the Large Volume Data of child node controller mutual, and is connected into internal control network further.Primary responsibility video, audio frequency word, image etc. show that the data of content store.

Image processing workstations: by gigabit or 10,000,000,000 network interface access switch, realizes with the Large Volume Data of child node controller mutual, and is connected into internal control network further.Primary responsibility is to the process of analog audio-video audio data.After analog audio-video audio data is converted into digital video signal by image workstation, enter network in video flowing mode, after carrying out relevant treatment further by master node control and child node controller, be presented on large-screen.

Digital video frequency flow: digital video signal, as the digital video signal of the equipment such as IP Camera, directly can pass through switch access network, realize with the Large Volume Data of child node controller mutual in data flow (Data Stream) mode, by master node control in the mode of control flow check (Control Stream), be responsible for distributing and display management data, realize large scale display by child node controller.

As shown in Figure 3, distributed real-time cloud tiled display block diagram illustrating data flow, the flow direction of control flow check in structure chart in display control program of the present utility model, master node control (not shown) passes through space manager, in the mode of message-driven, the display and control instructions such as the image coordinate of displaying contents and displaying time each child node are needed to be sent to express network.The non-decoded picture of command reception entirety that each child node (only drawing 4 display nodes in figure as signal) sends according to master node control.Simultaneously, it is mutual that child node controller realizes with master node control by AIL (application interface library), according to the control command of master node control, need to split, decode and play up process (with 4 pieces of screens for unit parallel rendering simultaneously) at oneself connection screen displaying part to general image with parallel processing manner.Because every estrade Node Controller image procossing scope is only limited to the 4 pieces of screens self connected, entire system is under the control of master node control, realized by express network interconnected with message mechanism, under the support of express network, the ultrahigh resolution of image can be realized, show without time delay.

Carry out contrasting (Fig. 1 and Fig. 2, Fig. 3 contrast) with traditional large screen splicing control system can obviously find out:

1. system diagram of the present utility model is distinguished as the essence of displaying principle system and legacy system and is to have employed concurrent computational system.Entirety is spelled wall with 4 pieces of screens for unit divides by system, and every 4 pieces of screens are controlled respectively by a sub-Node Controller, and jointly form local area network (LAN) by high speed internet and master node control.Under the unified allocation of resources, tissue of master node control, outside analog video signal or the digital signal of computer, after quantification and digital processing, be sent to express network, finally send to child node controller, by child node controller by image parallel rendering in video memory, be then shown on high definition LCD mosaic display screen.Due to each child node controller be only responsible for 4 blocks of screen pictures decoding, play up work (legacy system adopt concentrate decoding, play up working method), therefore, the image display of ultrahigh resolution can be realized, and the screen infinite expanding (often increase by 4 pieces of screens, add 1 estrade Node Controller) in theory under transmission bandwidth allows.At present, successfully achieve the experiment test work of 330 child nodes, the ultra high-definition resolution of 1320 display units, fast display systems in California, USA university, this systemic-function is powerful, favorable expandability, reliability are high.

2. the system configuration of cloud controller:

The breakthrough of all technology of system is the development due to high-speed network technology, for mass data transmission, exchange provide high-speed channel, in distributed, parallel computation control system that this technically grows up, for super display systems provides technical powerful support.System is had: powerful signal handling capacity; Splice ability flexibly; Stability, reliability are high; Extensibility is good; Easy care and the high ratio of performance to price.Be in particular in:

1) parallel processing manner is that the information processing capability that system is powerful has established solid foundation; Adopt distributed, concurrent control system, the signal transacting of whole system has been participated in respectively by each network child node.The signal handling capacity of system is the superposition of all display child node disposal abilities, and while system scale constantly expands, signal handling capacity is corresponding significantly to be increased.The structural design of this advanced person breaches the restriction of conversion speed by system scale size;

2) the compatible multiple format of image input mode, extendibility is strong;

A. the input mode of image: numeral can directly in access network switch, and analog image enters in switch through video work station;

B. the form of input picture is versatile and flexible, unrestricted in theory, only need increase corresponding image format conversion software in Node Controller, must investment on any hardware;

C. the quantity of input picture, unrestricted in theory;

3) image output screen size is only by network wide constraints, more easily realizes the clear displaying of superelevation;

A. the output way of image and the quantity of display screen unrestricted in theory, constantly increase the quantity that Node Controller can increase display screen;

B. the output display of image there is no time of delay;

C. the various display effects of image are very easy to realize, and such as, image across the screen, can subregion arbitrarily, various functions such as easily realizing any superposition of input picture, amplify, reduce, move;

D. because input picture and output image adopt the matrix switch of full digital, all input pictures on whole display screen, any position can show arbitrarily;

4) stability of system, reliability are high; After adopting distributed frame, the work of a large amount of display screen is born by multiple stage Node Controller, and a Node Controller fault only affects 4 display screens, and Node Controller can realize multi-computer Redundancy, gigabit networking system also can the redundancy of multiple devices, is easy to the stability of guarantee system;

5) system more easy care and upgrading: at hardware device under more news, update software can make the function of system more perfect and powerful; And the renewal of software completes by remote operation, do not need software engineer personnel to on-the-spot.

Herein, it should be noted that, every estrade Node Controller is set to control 4 display screens in the embodiment above, also the integral multiple platform display screen that every estrade Node Controller controls 8 display screens or 4 can be set to after simply arranging according to system parameters in actual use, correspondingly, every estrade Node Controller is connected with display screen by the integral multiple root DVI line of 8 or 4, repeats no more herein.

As shown in Figure 4, be the distributed combination image processing function of set at the tiled display equipment medium cloud splicing controller that can access video conferencing system of the present utility model, IP flows decoded digital matrix functions and monitor video image synthesis processing capacity synthetic image processing platform.Cloud computing technology tiled display controller can export number and arrangement by arbitrary disposition, the combination arrangement that the server of different configuration can be arranged in user and be needed by client-side management makes dissimilar input signal any shift position on this combination, size is roamed, and the modes such as superposition show.

Cloud display controller sharpest edges are DIY, its image processing server can adopt the general video card of main flow PC+ polylith in the market to make, so greatly save the cost of image processing platform server, can by decoding capability, video driver ability, the different demand of image-capable, the performance of arbitrary disposition server and output channel, managed the server of multiple difference configuration by uniform client, realize the combination driving different scales arrangement.Owing to can adopt multiple server can simultaneously distributed work, every station server has the powerful display capabilities of the powerful CPU disposal ability of main flow PC and video card, make whole system decoding capability simultaneously and image-capable restricted hardly.The combination that multiple image processor drives can regard an overall large monitor as, dissimilar input signal is made (to comprise analog video, RGB, DVI, HDMI, DP, sdi signal becomes IP stream and IP video stream signal through universal coding) any shift position on this combination, size is roamed, the modes such as superposition show, and user can using any synthesis of each monitor of combination as multiple monitored picture, and repeating query is as base map, to needs optional position on combination, signal Overlapping display on monitored picture base map of size roaming.All kinds of IP that cloud controller has the current main flow producer of compatible input monitor code stream, there is many picture output playback while of exporting preview, video recording, flexibly picture composition, quick switching, timing repeating query, unified prediction scheme, virtual TV wall, time retrieval, directly control video wall epigraph The Cloud Terrace, secondary exports the powers such as control, warning, long-range encoding device configuration, can be large-scale supervisory control system and provides efficient, reliable professional solution.

For the market demand of cloud computing technology tiled display controller, in the solution of different system, combination can select the display units such as LCD, LED, MPDP, DLP, projecting apparatus, and software adopts multimedia control display system.

System is primarily of n estrade Node Controller, 4n or 8n block ultra-narrow limit liquid crystal display, two master node control, server, network system and systems soft ware compositions.The basic platform of child node controller, master node control and express network construction system high-performance display, file server, streaming media server and high definition video collecting server realize the unified management to Large Volume Data and digital stream media, and large-screen management server realizes unified management large-screen being shown to signal and scheduling.

System is controlled by gigabit and data network forms jointly.Each Node Controller and kilomega network connect.Gigabit networking is made up of jointly 48 mouthfuls of gigabit switch clusters and six class netting twines, and main task is for transmitting large-capacity video stream and graphic image data transmission.

The curtain wall that connects in system adopts the ultra-narrow limit liquid crystal flat-screen CRT monitor using Samsung DID narrow limit technology, DID is the abbreviation of Digital Information Display, be widely used in all trades and professions (water power production scheduling, military commanding, city management, mining safety, environmental monitoring, the command systems such as the meteorological maritime affairs of fire-fighting) safety monitoring, (state enterprise's video conference, financial instrument, subway market, airport hotel's communication information etc.) in the liquid crystal display in the field such as the business lease of Information issued (Party media advertisement etc. is sung in theater stadiums fair rally) display systems and display device.This system has the piece feature of high brightness, environmental protection, low maintenance cost and minimum 3.5mm thereof.

The utility model has video decode function when being applied to the tiled display equipment as access video conferencing system, accessible Software Videoconferencing System, and has meeting memory function.And it is unrestricted to video conference number of nodes.The utility model is applied to video conference, makes the ends of the earth that are separated by, as very close, video conference flexibly, really shortens the distance of both sides, by powerful data processing equipment, audio frequency in meeting-place, video, document picture etc. are easily shown, and can free interaction.For the application demand of satisfied different client, use system of the present utility model can provide multiple solution flexibly, from the desktop type meeting of convenient dexterity to powerful video conference management platform, from the angle of design, fully meet the user demand of all types of client, and there is following characteristics:

1) network self-adapting function: have network bandwidth automatic regulation function, under ensureing different meeting-place network environment, meeting smoothness is carried out.Under 384Kbps low-bandwidth condition, 4CIF resolution can reach 15 ~ 30 frames; Under 768Kbps bandwidth, 4CIF resolution can reach 25 ~ 30 frames;

2) support that USB reads: have high-level data sharing capability easily, support, by plug USB hard disk, to send the method for data double fluid.Support the data sharing of the forms such as video clipping (AVI, MPEG, WMV etc.) audio clips (WMA, MP3) graphic file (BMP, GIF, TIF).

3) built-in MCU equipment: optional built-in 4-9 user MCU, the medium-sized and small enterprises within being specially at 9 and enterprise's meeting room design.Without the need to buying MCU device separately, design is succinct, powerful, farthest for enterprise economizes on the use of funds input.

4) built-in recorded broadcast equipment: built-in online recorded broadcast function, internal hard disk, and can circumscribed USB storage equipment, support meeting recording at any time and streaming media on demand.

5) possess best standard and compatibility: support the H.264 video algorithm that industry is leading, realize lively vivid video tastes; Multiple network standard support: H.320, H.323, SIP; H.264 4Mbps is supported in calling; H.239 with HD Dual Stream? realize receiving and dispatching video and data flow simultaneously; Superencipherment meeting is realized by H.235 encryption standard.

6) ultra high-definition interaction display combination is supported: perfect fusion ultra high-definition splice displaying system, exports with ultra high-definition content, by the display of the content such as audio frequency and video, file with on Large video wall.And by control system, easily realize window and drag, amplify, what content switching etc. were various represents form.More accessible multi-point interactive touch apparatus, realize smaller screen touch control, large-size screen monitors are play in real time, interactive synchronous preview function; Freely can switch 4: 3,16: 9 display modes, and support the two aobvious display in local, strange land.The full HD video camera of 1080P/60HZ, unlimited enlarged image is still clear; Hotspot tracking technology, easily catches participant's picture.

7) professional audio frequency apparatus access: adopt ClearOne equipment, ClearOne is the producer that first hand release echo cancellation is applied on digital audio processor, be a unique producer that AV audio frequency and video total solution can be provided, and have perfect audio frequency and video turn-key solution.Audio product is researched and developed also for industry provides the Audiotechnica of first water from nineteen eighty-three.To account for the market share of global professional audio meeting product 50 percent.ClearOne audio frequency apparatus, had both solved the various audio issue of traditional meeting room, had added again the element of digital audio processing, and meeting room AV system is improve a class.

8) mobile terminal conference participation is supported: when generation emergency or when holding occasion, meet use the mobile terminal (as IPAD, Android etc.) of main flow by 3G/4G or WiFi and participate in Intranet video conference in the middle of, and can seamless switching conference participation according to the multiple mobile terminal of field condition.

It should be noted that, although above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection range of the utility model claims.

Claims (7)

1. can access a tiled display equipment for video conferencing system, comprise multiple stage display, the distributed cloud controller of multiple stage, multiple stage switch, videoconference server, it is characterized in that: multiple stage display forms combination; Multiple stage switch forms local area network (LAN) by cascade, provides the transmission channel of data and control command, and form the framework core of IP network, videoconference server access network also controls display; Multiple stage distributed cloud controller accesses the switch of corresponding level, and is connected with corresponding display by video connecting line, and cloud controller adopts PCI-E bus mother board and is equipped with Inter processor.

2. the tiled display equipment that can access video conferencing system according to claim 1, is characterized in that: described display can be ultra-narrow limit liquid crystal flat-screen CRT monitor, also can be LCD, LED, MPDP, DLP or projecting apparatus.

3. the tiled display equipment that can access video conferencing system according to claim 2, it is characterized in that: the described curtain wall that connects adopts the ultra-narrow limit liquid crystal flat-screen CRT monitor using Samsung DID narrow limit technology, and the display wall piece adopting this display to be spliced into is 3.5mm.

4. the tiled display equipment that can access video conferencing system according to claim 1 or 2 or 3, it is characterized in that: described distributed cloud controller is professional high performance controller, the mode of grading control is adopted to be configured, i.e. master node control connexon Node Controller, every platform distributed cloud controller wherein as child node can connect 4 or 8 display units as an independent Node Controller routine, as user needs, can expand, expansion quantity is the integral multiple of 4.

5. the tiled display equipment that can access video conferencing system according to claim 4, is characterized in that: the video connecting line that distributed cloud controller is connected with display can be the video line of radio frequency line, RGB component lines, VGA line, DVI line, HDMI wire, DP line, SDI line or other kinds.

6. the tiled display equipment that can access video conferencing system according to claim 5, is characterized in that: system is primarily of n estrade Node Controller, 4n or 8n block ultra-narrow limit liquid crystal display, two master node controls, server, network system compositions; The basic platform of child node controller, master node control and express network construction system high-performance display, file server, streaming media server and high definition video collecting server realize the unified management to Large Volume Data and digital stream media, and large-screen management server realizes unified management large-screen being shown to signal and scheduling;

System is controlled by gigabit and data network forms jointly, and each Node Controller and kilomega network connect, and gigabit networking is made up of jointly 48 mouthfuls of gigabit switch clusters and six class netting twines, and main task is for transmitting large-capacity video stream and graphic image data transmission.

7. the tiled display equipment that can access video conferencing system according to claim 6, is characterized in that: described videoconference server possesses memory cell, and this memory cell can be hard disk, erasable DVD, for storing conference content.