CN103795962A - Monitoring video conference system - Google Patents
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- CN103795962A CN103795962A CN201210431452.6A CN201210431452A CN103795962A CN 103795962 A CN103795962 A CN 103795962A CN 201210431452 A CN201210431452 A CN 201210431452A CN 103795962 A CN103795962 A CN 103795962A
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Abstract
The invention provides a monitoring video conference system. The system comprises video conference terminals, video conference servers, image acquisition devices, monitoring devices and monitoring device management servers. The monitoring device management servers play the role of bridging the monitoring devices and video conference subsystems. The monitoring devices are accessed to the video conference subsystems through the monitoring device management servers for unified management and control of each connected monitoring device, and the monitoring device management servers execute forwarding and issuing of corresponding audio and video information and intercommunication audio information such that the restrictions of bandwidth or a device linking number can be overcome, the data transmission efficiency is improved, the audio interaction between video conference terminals and the monitoring devices and the audio interaction among the monitoring devices during intercommunication are realized, and communication becomes more convenient.
Description
Technical field
The present invention relates to field of video monitoring, particularly watch-dog can be accessed to the video conferencing monitoring system of video conference.
Background technology
At present, compared with the communication mode such as traditional voice, data, video communication has vivider, more lively feature, and the content of its transmission is also therefore abundanter, more directly perceived, has therefore become the important component part of multimedia communication.At present, video conference and video monitoring are the most extensive and important Liang Ge branches that distributes in video communication applications, especially video conference and video monitoring system are integrated, can allow people discuss, judge according to on-the-spot reality, real-time situation, thus efficient quick make more reasonable more effective decision-making.
Video conference is that a kind of typical case is not subject to regional limits, is based upon two-way, the multiple spot on broadband network basis, real-time interactive video application system, its networking depends on professional video conference device, as multipoint control unit (Multi Control Unit, MCU), conference terminal etc., the communicating requirement of equipment room is followed strict protocol architecture, as H.3231, H.32a etc.; Video monitoring more lays particular emphasis on one-way video transmission, conventionally by comparatively simple video coding and decoding device and control platform and form, and also ununified communication standard of equipment room at present.Therefore, for the user that need to dispose video conference and two kinds of application of video monitoring simultaneously, comparatively effective video meeting, video monitoring fusion Networking Solutions & provisioned are: utilize cover system accessing conference and monitoring two class source video images simultaneously, by shared image coding and decoding equipment and centralized control unit, realize the integrated of video conference and two kinds of functions of video monitoring.
At present, watch-dog on market is all with point-to-point audio frequency intercommunication and video preview function, but this function is only confined to use the device logs such as PC to connect picture and intercommunication to the software development kit SDK that carries out audio frequency intercommunication preview image with watch-dog on the webpage of watch-dog or provide in client usage monitoring equipment vendors, this is confined to mutual between watch-dog and client.
Video conference subsystem is universal, video conference terminal carries out secondary development by the SDK of usage monitoring manufacturer, can on video conference terminal, receive the video of watch-dog, and carry out audio frequency intercommunication by intercommunication, if in meeting, all members will accept this watch-dog video like this, just need to set up multiple links by SDK, watch-dog end just need to send respectively video flowing to different video conference terminals, this is limited by link number and the bandwidth problem of watch-dog to a great extent, and watch-dog can only receive the audio frequency of a video conference terminal at synchronization, and the audio frequency between each watch-dog cannot intercommunication.
Summary of the invention
The object of the present invention is to provide a kind of video conferencing monitoring system, for solve transfer of data between watch-dog and video conference terminal due to be subject to bandwidth or equipment connection number limit the transfer of data that causes not freely, the loaded down with trivial details and inefficiency of attended operation, and audio-frequency information between each watch-dog cannot intercommunication etc. problem.
For addressing the above problem and other problems, the invention provides a kind of video conferencing monitoring system, comprising: video conference terminal, videoconference server, image modalities, watch-dog and watch-dog management server; Video conference terminal, for: gather and the local audio/video information that distributes, receive the audio/video information that other video conference terminals and/or watch-dog send, and carry out the mutual of audio-frequency information with watch-dog by intercommunication; Watch-dog, with image modalities communication connection, for: receive the audio/video information that described video image collecting device absorbs or exports, carry out the mutual of audio-frequency information with video conference terminal by intercommunication; Videoconference server, with described video conference terminal communication connection; Watch-dog management server, with described watch-dog and the communication connection of described videoconference server, be used for: receive from the audio/video information of the described watch-dog of communication connection and described audio/video information is sent to video conference terminal by described videoconference server, and receiving from the audio-frequency information of described video conference terminal and by described audio-frequency information and be sent to corresponding described watch-dog by described videoconference server.
Alternatively, described video conference terminal also comprises: audio mixing module, and for the sound at described video conference terminal place is carried out to stereo process to obtain audio-frequency information.
Alternatively, the described sound that carries out stereo process comprises other all sound sound of described watch-dog that described video conference terminal place will send to except described audio-frequency information itself.
Alternatively, described video conference terminal also comprises: audio coding module, encode for the audio-frequency information that described audio mixing module is carried out after stereo process the sound at described video conference terminal place; Described audio coding module the adopted coding mode of encoding need to meet: described coded system is that the described watch-dog that described audio-frequency information will send to is supported.
Alternatively, described image modalities comprises video camera or monopod video camera.
Alternatively, described watch-dog provides different software development kit SDK according to different manufacturers or model, and described watch-dog management server utilizes the software development kit SDK that described watch-dog provides and establishes a communications link with corresponding described watch-dog.
Alternatively, the form of described audio/video information is H263, H264 or MPEG4.
Alternatively, described videoconference server comprises: streaming media server, distribute for the described audio-frequency information in intercommunication sending to the audio/video information being sent by described watch-dog and by described video conference terminal; Control Server, for: parsing and the issuing control information of processing the request instruction of being uploaded by described video conference terminal.
Alternatively, described videoconference server is multistage videoconference server.
Video conferencing monitoring system provided by the invention, comprising: video conference terminal, videoconference server, image modalities, watch-dog and watch-dog management server.By increased especially watch-dog management server in system, play the bridge joint effect between watch-dog and video conference subsystem (video conference terminal and videoconference server), thereby one or more watch-dogs that front end is disposed are by watch-dog management server access video conference subsystem, but not as being that one or more watch-dogs that front end is disposed access respectively video conference subsystem in prior art, simple to operate; In addition, because being adopts watch-dog management server to carry out unified management and control to each watch-dog connecting, carried out forwarding and the distribution of corresponding audio/video information and intercommunication audio-frequency information by watch-dog management server, not only can overcome the restriction of bandwidth or equipment connection number and improve the efficiency of transfer of data, more can realize in intercommunication the audio frequency between video conference terminal and watch-dog and between watch-dog mutual, it is more convenient to make to link up.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of video conferencing monitoring system provided by the invention.
Fig. 2 is video conference subsystem structural representation in one embodiment in video conferencing monitoring system of the present invention.
Embodiment
The present inventor finds: in prior art, watch-dog video is set up and is multiplely linked and send respectively video flowing to different video conference terminals from each video conference terminal respectively by software development kit SDK, between watch-dog and video conference terminal, transfer of data limits owing to being subject to bandwidth or equipment connection number that the transfer of data that causes is smooth, attended operation is loaded down with trivial details and the problem of inefficiency, in addition, also there is problem that cannot intercommunication in the audio-frequency information between each watch-dog.
Therefore, the present inventor improves prior art, has proposed a kind of video conferencing monitoring system, comprising: video conference terminal, videoconference server, image modalities, watch-dog and watch-dog management server.By increased especially watch-dog management server in system, one or more watch-dogs that front end is disposed are by watch-dog management server access video conference subsystem, carried out forwarding and the distribution of corresponding audio/video information and intercommunication audio-frequency information by watch-dog management server, solve transfer of data between watch-dog and video conference terminal due to be subject to bandwidth or equipment connection number limit the transfer of data that causes not freely, the loaded down with trivial details and inefficiency of attended operation, and audio-frequency information between each watch-dog cannot intercommunication etc. problem.
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
Refer to Fig. 1, shown the system architecture schematic diagram of video conferencing monitoring system provided by the invention.As shown in Figure 1, described video conferencing monitoring system comprises: video conference terminal 15, videoconference server 17, image modalities 11, watch-dog 13 and watch-dog management server 19, wherein, videoconference server 17 communication link are connected to one or more video conference terminals 15, on watch-dog 13, communication link is connected to one or more image modalities 11, watch-dog management server 19 communication link are connected to one or more watch-dogs 13, and watch-dog management server 19 communicates to connect with multistage videoconference server 17.In the present invention, the communication network that communication connection between each device adopts is the packet network (described packet network can adopt the combination of wire communication mode, communication or wire communication mode and communication) take IP as core, it can set up and form a relatively independent private network, also can be the tree-shaped hierarchical network forming on INTERNET basis.
Watch-dog 13, for: receive the audio/video information that described video image collecting device absorbs or exports, carry out the mutual of audio-frequency information with video conference terminal by intercommunication.As shown in Figure 1, watch-dog 13 in the present invention, that is, NDVR-1, NDVR-2, NDVR-3 ..., NDVR-m communicates and is connected with corresponding one or more video cameras 11 respectively.
In a concrete application, watch-dog 13 can comprise: information reading module, coding module, communication interface, configuration module, automatically log in module and signal dispatcher module etc.Described information reading module is connected with corresponding video camera, the audiovisual information absorbing for reading corresponding video camera.Described coding module encodes to adapt to the requirement of described video conferencing monitoring system according to default form for the audio/video information that described information reading module is read, for example, the audio/video information reading is encoded according to H263, H264 or MPEG4 form.Described communication interface is for setting up communication connection with watch-dog management server 19, and it can adopt wireline interface or wave point conventionally.Described configuration module is used for providing setting interface to supply operating personnel to input authorization information required while logging in described video conferencing monitoring system, and wherein, described authorization information is authorized by Conference server.The described module that automatically logs in is for sending from trend watch-dog management server 19 request that logs in by described communication interface, and provide the authorization information of inputting in described configuration module, watch-dog management server 19 receives after described authorization information, authorizes it to add in described video conferencing monitoring system by checking.Described signal dispatcher module is sent to corresponding watch-dog management server 19 for the audio/video information of described coding module having been encoded according to the instruction of watch-dog management server 19.In addition, each NDVR also can have the functions such as broadcasting, program request, playback, and these technology are by those skilled in the art are familiar with, therefore be not described in detail in this.Have again, watch-dog 13 provides different software development kit SDK according to different manufacturers or model, like this, in the time carrying out communicating to connect between watch-dog 13 and watch-dog management server 19, watch-dog management server 19 just utilizes the software development kit SDK that watch-dog 13 provides and establishes a communications link with corresponding watch-dog 13.
In the present invention, videoconference server 17 is multistage videoconference server, particularly,, adopt multi-stage cascade networking mode, upper level Conference server is connected with corresponding next stage Conference server by node verification mechanism, and every one-level Conference server communicates to connect by checking and corresponding video conference terminal 15 and watch-dog management server 19.Described videoconference server 17 is not only supported management, domination and the control of authority etc. to each meeting, can also give corresponding watch-dog management server 19 and video conference terminal 15 allocation of network resources, comprise: stored session relevant information, configuration and managerial meeting relevant information (described meeting relevant information comprises monitoring the Resources list, meeting material, customer terminals, conference status and meeting daily record etc.), process conferencing data etc.In the present invention, as shown in Figure 2, videoconference server 17 comprises: streaming media server 170, distribute for the described audio-frequency information in intercommunication sending to the audio/video information being sent by watch-dog 13 and by video conference terminal 15; Control Server 172, for the treatment of parsing and the issuing control information of the request instruction of being uploaded by video conference terminal.
Watch-dog management server 19 communicates to connect with watch-dog 13 and videoconference server 17.In the present invention, watch-dog management server 19 is for unifying management and control to each watch-dog 13, play the bridge joint effect between watch-dog 13 and video conference subsystem (video conference terminal 15 and videoconference server 17), thereby one or more watch-dogs 13 that front end is disposed access video conference subsystem.Particularly, mainly being of watch-dog management server 19: receive from the audio/video information of the watch-dog 13 of communication connection and described audio/video information is sent to video conference terminal by videoconference server 17, and receiving from the audio-frequency information of described video conference terminal and by described audio-frequency information and be sent to corresponding watch-dog 13 by videoconference server 17.In actual applications, watch-dog management server 19 is receiving connecing after picture instruction of sending over from video conference terminal 15, by the facility information of the watch-dog 13 that obtains, select corresponding software development kit SDK and watch-dog 13 to connect picture, the audio/video information of this watch-dog 13 is sent to video conference terminal 15.
Below video conferencing monitoring system of the present invention concrete application is elaborated:
On the one hand, video conference terminal 15 is by the facility information of the watch-dog 13 that receives, generation connects as instruction and by videoconference server 17 and is sent to watch-dog management server 19, described in receiving, watch-dog management server 19 connects after picture instruction, connect picture by software development kit SDK with corresponding watch-dog 13, the audio/video information of this watch-dog 13 is sent to videoconference server 17, distributed by videoconference server 17, be sent to the video conference terminal 15 that proposes to connect picture instruction, thereby realizing video conference terminal can receive the audio/video information of watch-dog 13 and be shown.As from the foregoing, 13 needs of watch-dog send audio/video information to watch-dog management server 19, and do not need to each video conference terminal 15 in video conference subsystem to send respectively audio/video information, thereby overcome the problem of processing linking number and limit bandwidth.
On the other hand, video conference terminal 15 also can be initiated intercommunication instruction to watch-dog 13, by videoconference server 17, intercommunication instruction is sent to watch-dog management server 19, watch-dog management server 19 responds described intercommunication instruction, between watch-dog 13 and video conference terminal 15, set up intercommunication, and the audio coding type of supporting described in watch-dog 13 is back to the video conference terminal 15 of initiating intercommunication, the audio-frequency information of watch-dog 13 is sent to the video conference terminal 15 of initiating intercommunication by the distribution of videoconference server 17 simultaneously.The video conference terminal 15 of initiating intercommunication starts local audio mixing module, the audio coding pattern that the sound of whole meeting (described sound comprise described video conference terminal place except by other all sound sound of the watch-dog 13 of intercommunication itself) is supported according to watch-dog 13 is encoded and is mixed into the audio-frequency information on a road, by videoconference server 17, audio-frequency information after coding is sent to watch-dog management server 19, be sent to by the watch-dog 13 of intercommunication by software development kit SDK by watch-dog management server 19, the audio frequency of realizing whole video conference terminal 15 and watch-dog 13 is mutual, simultaneously, if video conference terminal 15 carries out intercommunication to the watch-dog 13 of multiple different vendors simultaneously, , any watch-dog 13 wherein also can receive the audio-frequency information from other watch-dog 13, indirectly realize the audio frequency intercommunication between watch-dog.
In sum, video conferencing monitoring system provided by the invention, comprising: video conference terminal, videoconference server, image modalities, watch-dog and watch-dog management server.By increased especially watch-dog management server in system, play the bridge joint effect between watch-dog and video conference subsystem (video conference terminal and videoconference server), thereby one or more watch-dogs that front end is disposed are by watch-dog management server access video conference subsystem, but not as being that one or more watch-dogs that front end is disposed access respectively video conference subsystem in prior art, simple to operate; In addition, because being adopts watch-dog management server to carry out unified management and control to each watch-dog connecting, carried out forwarding and the distribution of corresponding audio/video information and intercommunication audio-frequency information by watch-dog management server, not only can overcome the restriction of bandwidth or equipment connection number and improve the efficiency of transfer of data, more can realize in intercommunication the audio frequency between video conference terminal and watch-dog and between watch-dog mutual, it is more convenient to make to link up.
Above-described embodiment just lists expressivity principle of the present invention and effect is described, but not for limiting the present invention.Any person skilled in the art person all can without departing from the spirit and scope of the present invention, modify to above-described embodiment.Therefore, the scope of the present invention, should be as listed in claims.
Claims (9)
1. a video conferencing monitoring system, is characterized in that, comprising: video conference terminal, videoconference server, image modalities, watch-dog and watch-dog management server;
Video conference terminal, for: gather and the local audio/video information that distributes, receive the audio/video information that other video conference terminals and/or watch-dog send, and carry out the mutual of audio-frequency information with watch-dog by intercommunication;
Watch-dog, with image modalities communication connection, for: receive the audio/video information that described video image collecting device absorbs or exports, carry out the mutual of audio-frequency information with video conference terminal by intercommunication;
Videoconference server, with described video conference terminal communication connection;
Watch-dog management server, with described watch-dog and the communication connection of described videoconference server, be used for: receive from the audio/video information of the described watch-dog of communication connection and described audio/video information is sent to video conference terminal by described videoconference server, and receiving from the audio-frequency information of described video conference terminal and by described audio-frequency information and be sent to corresponding described watch-dog by described videoconference server.
2. video conferencing monitoring system as claimed in claim 1, is characterized in that, described video conference terminal also comprises: audio mixing module, and for the sound at described video conference terminal place is carried out to stereo process to obtain audio-frequency information.
3. video conferencing monitoring system as claimed in claim 2, it is characterized in that, the described sound that carries out stereo process comprises other all sound sound of described watch-dog that described video conference terminal place will send to except described audio-frequency information itself.
4. video conferencing monitoring system as claimed in claim 2 or claim 3, it is characterized in that, described video conference terminal also comprises: audio coding module, encode for the audio-frequency information that described audio mixing module is carried out after stereo process the sound at described video conference terminal place; Described audio coding module the adopted coding mode of encoding need to meet: described coded system is that the described watch-dog that described audio-frequency information will send to is supported.
5. video conferencing monitoring system as claimed in claim 1, is characterized in that, described image modalities comprises video camera or monopod video camera.
6. video conferencing monitoring system as claimed in claim 1, it is characterized in that, described watch-dog provides different software development kit SDK according to different manufacturers or model, and described watch-dog management server utilizes the software development kit SDK that described watch-dog provides and establishes a communications link with corresponding described watch-dog.
7. video conferencing monitoring system as claimed in claim 1, is characterized in that, the form of described audio/video information is H263, H264 or MPEG4.
8. video conferencing monitoring system as claimed in claim 1, it is characterized in that, described videoconference server comprises: streaming media server, distribute for the described audio-frequency information in intercommunication sending to the audio/video information being sent by described watch-dog and by described video conference terminal;
Control Server, for: parsing and the issuing control information of processing the request instruction of being uploaded by described video conference terminal.
9. the video conferencing monitoring system as described in claim 1 or 8, is characterized in that, described videoconference server is multistage videoconference server.
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