CN103795962B - Video conferencing monitoring system - Google Patents
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- CN103795962B CN103795962B CN201210431452.6A CN201210431452A CN103795962B CN 103795962 B CN103795962 B CN 103795962B CN 201210431452 A CN201210431452 A CN 201210431452A CN 103795962 B CN103795962 B CN 103795962B
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Abstract
The present invention provides a kind of video conferencing monitoring system, including：Video conference terminal, videoconference server, image modalities, monitoring device and monitoring device management server；Pass through monitoring device management server, play the bridge joint effect between monitoring device and video conference subsystem, monitoring device accesses video conference subsystem by monitoring device management server, each monitoring device to connection has carried out unified management and control, the forwarding and distribution of corresponding audio/video information and intercommunication audio-frequency information are performed by monitoring device management server, bandwidth or equipment can be overcome to connect the limitation of number and the efficiency of data transfer is improved, realize the speech enabled between video conference terminal and monitoring device and between monitoring device in intercommunication, so that communication is more convenient.
Description
Technical field
The present invention relates to field of video monitoring, more particularly to the monitor video meeting that monitoring device is accessed to video conference
System.
Background technology
At present, compared with the communication modes such as traditional voice, data, the characteristics of video communication has vivider, more lively, its
The content of transmission is also therefore more rich, more directly perceived, therefore has turned into the important component of multimedia communication.At present, video council
Negotiation video monitoring is distributed in video communication applications the most extensively and important Liang Ge branches, especially by video conference with regarding
Frequency monitoring system is integrated, and people can be allowed to discuss, judge according to actual, the real-time situation at scene, so that efficiently fast
Prompt makes more rationally more effectively decision-making.
Video conference be a kind of typical case without geographical restrictions, the two-way, multiple spot set up on the basis of broadband network, in real time
Interactive video application system, video conference device of its networking dependent on specialty, such as multipoint control unit（Multi
Control Unit、MCU）, conference terminal etc., the communicating requirement of equipment room follows strict protocol architecture, such as H.3231,
H.32a etc.；And video monitoring is then more lays particular emphasis on unidirectional video transmission, generally by relatively simple video coding and decoding device and control
Platform processed composition, current equipment room also ununified communication standard.Therefore, for needing to dispose video conference and video simultaneously
For the user of two kinds of applications of monitoring, more effective video meeting, video monitoring fusion Networking Solutions ＆ provisioned are：Using a set of
System two class source video images of accessing conference and monitoring simultaneously, by shared image coding and decoding equipment and centralized control unit,
Realize the integrated of two kinds of functions of video conference and video monitoring.
At present, the monitoring device of in the market all carries point-to-point audio intercommunication and video preview function, but this function
Be limited only to using the equipment such as PC sign in on the webpage of monitoring device with monitoring device carry out audio intercommunication preview image or
Person carries out connecing picture and intercommunication in the software development kit SDK that client is provided using monitoring device manufacturer, and this is confined to monitoring
Interaction between equipment and client.
Video conference subsystem has been popularized, and video conference terminal carries out secondary development by using the SDK of monitoring manufacturer,
The video of monitoring device can be received on video conference terminal, and audio intercommunication is carried out by intercommunication, if so in meeting
All members will receive this monitoring device video, it is necessary to set up multiple links by SDK, and monitoring device end is accomplished by not
Same video conference terminal sends video flowing respectively, and this is largely limited by the link number and bandwidth problem of monitoring device,
And monitoring device can only receive the audio between the audio of a video conference terminal, and each monitoring device in synchronization
Can not intercommunication.
The content of the invention
It is whole with video conference for solving monitoring device it is an object of the invention to provide a kind of video conferencing monitoring system
Between end data transfer due to by bandwidth or equipment connection number limit caused by data transfer not freely, attended operation it is cumbersome and
Audio-frequency information between inefficiency, and each monitoring device can not intercommunication the problems such as.
To solve the above problems and other problemses, the present invention provides a kind of video conferencing monitoring system, including：Video conference
Terminal, videoconference server, image modalities, monitoring device and monitoring device management server；Video conference is whole
End, is used for：Gather and be distributed local audio/video information, receive other video conference terminals and/or the sound transmitted by monitoring device
Video information, and the interacting by intercommunication progress audio-frequency information with monitoring device；Monitoring device, communicates with image modalities
Connection, is used for：The audio/video information that the video image collecting device is absorbed or exported is received, is passed through with video conference terminal
Intercommunication carries out the interaction of audio-frequency information；Videoconference server, is communicated to connect with the video conference terminal；Monitoring device is managed
Server, communicates to connect with the monitoring device and the videoconference server, is used for：Receive from described in communication connection
The audio/video information is simultaneously sent whole to video conference by the audio/video information of monitoring device by the videoconference server
End, and the audio-frequency information from the video conference terminal is received by the videoconference server and the audio is believed
Breath is sent to the corresponding monitoring device.
Alternatively, the video conference terminal also includes：Mix module, for by the sound at the video conference terminal
Stereo process is carried out to obtain audio-frequency information.
Alternatively, carrying out the sound of stereo process is included at the video conference terminal except the audio-frequency information will
Other all sound outside the sound of of the monitoring device being sent to itself.
Alternatively, the video conference terminal also includes：Audio coding module, for the mix module to be regarded to described
The audio-frequency information that sound at frequency conference terminal is carried out after stereo process is encoded；The audio coding module carries out coding institute
The coding mode of use needs to meet：The coded system is that the audio-frequency information monitoring device to be sent to is supported
's.
Alternatively, the image modalities include video camera or monopod video camera.
Alternatively, the monitoring device is provided with different software development kit SDK according to different manufacturers or model,
The monitoring device management server using the monitoring device provide software development kit SDK and with the corresponding monitoring
Equipment sets up communication connection.
Alternatively, the form of the audio/video information is H263, H264 or MPEG4.
Alternatively, the videoconference server includes：Streaming media server, for being transmitted by the monitoring device
Come audio/video information and be distributed by the audio-frequency information in intercommunication that the video conference terminal is sent；
Server is controlled, is used for：Handle parsing and the issue control letter of the request instruction uploaded by the video conference terminal
Breath.
Alternatively, the videoconference server is multistage videoconference server.
The video conferencing monitoring system that the present invention is provided, including：Video conference terminal, videoconference server, image are adopted
Collect equipment, monitoring device and monitoring device management server.By especially adding monitoring device management service in systems
Device, plays monitoring device and video conference subsystem（Video conference terminal and videoconference server）Between bridge joint effect,
So as to which the one or more monitoring devices for disposing front end access video conference subsystem by monitoring device management server, and
Non- is such as that the one or more monitoring devices for disposing front end are respectively connected to video conference subsystem, operation letter in the prior art
It is single；Further, since being to have carried out unified management and control to each monitoring device of connection using monitoring device management server, by supervising
Forwarding and distribution that device management server performs corresponding audio/video information and intercommunication audio-frequency information are controlled, band can be not only overcome
The limitation of wide or equipment connection number and the efficiency for improving data transfer, can more realize that video conference terminal is set with monitoring in intercommunication
Speech enabled between standby and between monitoring device so that it is more convenient to link up.
Brief description of the drawings
The system architecture schematic diagram for the video conferencing monitoring system that Fig. 1 provides for the present invention.
Fig. 2 is the structural representation of video conference subsystem in one embodiment in video conferencing monitoring system of the present invention
Figure.
Embodiment
The inventors found that：In the prior art, monitoring device video by software development kit SDK respectively with respectively
Individual video conference terminal sets up multiple links and sends video flowing, monitoring device and video respectively to different video conference terminals
Data transfer not smooth, attended operation caused by data transfer by bandwidth or equipment connection number due to being limited between conference terminal
The problem of cumbersome and inefficiency, in addition, audio-frequency information between each monitoring device there is also can not intercommunication the problem of.
Therefore, the present inventor is improved prior art, it is proposed that a kind of video conferencing monitoring system, bag
Include：Video conference terminal, videoconference server, image modalities, monitoring device and monitoring device management server.
By especially adding monitoring device management server in systems, one or more monitoring devices that front end is disposed pass through prison
Control device management server access video conference subsystem, by monitoring device management server perform corresponding audio/video information and
The forwarding and distribution of intercommunication audio-frequency information, solve between monitoring device and video conference terminal data transfer due to by bandwidth or
Data transfer is smooth caused by equipment connection number limitation, attended operation is cumbersome and inefficiency, and each monitoring device it
Between audio-frequency information can not intercommunication the problems such as.
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be noted that the diagram provided in the present embodiment only illustrates the basic conception of the present invention in a schematic way,
Then only display is painted with relevant component in the present invention rather than according to component count, shape and the size during actual implementation in schema
System, it is actual when implementing, and kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel also may be used
Can be increasingly complex.
Referring to Fig. 1, showing the system architecture schematic diagram for the video conferencing monitoring system that the present invention is provided.Such as Fig. 1 institutes
Show, the video conferencing monitoring system includes：Video conference terminal 15, videoconference server 17, image modalities 11, prison
Equipment 13 and monitoring device management server 19 are controlled, wherein, the communication link of videoconference server 17 is connected to one or more regard
Communication link is connected to one or more image modalities 11, monitoring device management service in frequency conference terminal 15, monitoring device 13
The communication link of device 19 is connected to one or more monitoring devices 13, monitoring device management server 19 and multistage videoconference server 17
Communication connection.In the present invention, the communication network that the communication connection between each device is used is the packet net using IP as core
Network（The packet network can use wired communication mode, communication or wired communication mode and communication
Combination）, it can set up to form a relatively independent private network, or the tree-shaped layering formed on the basis of INTERNET
Network.
Image modalities 11 are arranged on point of observation, the audio/video information for gathering given viewpoint.In the present embodiment,
Image modalities 11 can be video camera, as shown in fig. 1, i.e. video camera 11-1, video camera 11-2, video camera 11-
3 ..., video camera 11-k.But be not limited thereto, in other embodiments, image modalities 11 or infrared probe or
Monopod video camera or other equipment with influence capture functions etc..
Monitoring device 13, is used for：Receive the audio/video information that the video image collecting device is absorbed or exported, with regarding
Frequency conference terminal carries out the interaction of audio-frequency information by intercommunication.As shown in figure 1, monitoring device 13 in the present invention, i.e. NDVR-1,
NDVR-2, NDVR-3 ..., NDVR-m communicate connection with corresponding one or more video cameras 11 respectively.
In a concrete application, monitoring device 13 can include：Information reading module, coding module, communication interface, configuration
Module, automatic log-in module and signal dispatcher module etc..Described information read module is connected with corresponding video camera, is used for
Read the audiovisual information that corresponding video camera is absorbed.The coding module is used for read described information read module
Audio/video information is encoded according to preset format to adapt to the requirement of the video conferencing monitoring system, such as by the sound of reading
Video information is encoded according to H263, H264 or MPEG4 form.The communication interface is used for and monitoring device management server
19 set up communication connection, and generally it can use wireline interface or wave point.The configuration module is used to provide setting interface
Checking information required when logging in the video conferencing monitoring system is inputted for operating personnel, wherein, the checking information is by meeting
View server is authorized.The automatic log-in module is used for by the communication interface from trend monitoring device management server 19
Log on request is sent, and the checking information inputted in the configuration module is provided, monitoring device management server 19 is received
After the checking information, it is authorized to add in the video conferencing monitoring system by verifying.Described information transceiver module is used for
The encoded audio/video information of the coding module is sent to corresponding prison according to the instruction of monitoring device management server 19
Control device management server 19.In addition, every NDVR can also have the functions such as broadcasting, program request, playback, these technologies have been ability
Field technique personnel are familiar with, therefore will not be described in detail herein.Further, monitoring device 13 is provided with not according to different manufacturers or model
Same software development kit SDK, so, is communicated to connect being monitored between equipment 13 and monitoring device management server 19
When, monitoring device management server 19 is just set using the software development kit SDK that monitoring device 13 is provided with corresponding monitoring
Standby 13 set up communication connection.
Video conference terminal 15, is used for：Gather and be distributed local audio/video information, receive other video conference terminals 15
And/or the audio/video information transmitted by monitoring device 13, and the interacting by intercommunication progress audio-frequency information with monitoring device 13.
In the present invention, as shown in figure 1, video conference terminal 15 in the present invention, i.e. video conference terminal 15-1, video conference terminal
15-2, video conference terminal 15-3 ..., video conference terminal 15-n be separately positioned on different meeting-place, for supplying participant
Member participates in corresponding meeting, usually the displaying end of conference system.Video conference terminal 15 using account number cipher mode log on to
Connected videoconference server.If for example, a video conference terminal 15 is carried to corresponding videoconference server 17
The account of friendship is after effectively checking, and the videoconference server 17 is then returned to the video conference terminal 15 can use list of conference,
Including monitoring resource information, the video conference terminal 15 enters meeting after being made a choice according to list of conference, thereafter, according to each
The role of individual video conference terminal 15 in a meeting（Such as host, participant）Difference can go out in each video conference terminal 15
Existing different interactive interface.In addition, referring to Fig. 2, it exists for video conference subsystem in video conferencing monitoring system of the present invention
Structural representation in one embodiment.As shown in Fig. 2 video conference terminal 15 also includes：Mix module 150, for inciting somebody to action
Sound at video conference terminal in meeting-place carries out stereo process to obtain audio-frequency information；Audio coding module 152, for that will mix
The audio-frequency information that sound at 150 pairs of video conference terminals of sound module in meeting-place is carried out after stereo process is encoded.Need
Illustrate, include in the sound that stereo process is carried out using mix module 150 at the video conference terminal except institute
State other all sound outside the sound of of the audio-frequency information monitoring device to be sent to itself, i.e. in mixing, need
The sound of of the monitoring device 13 to be sent in meeting-place itself is filtered out in advance, then remaining all information are mixed down
Audio-frequency information all the way, the audio-frequency information is sent to that monitoring device 13, and the purpose so done is：Avoid that
Individual monitoring device 13 is causing to occur for example in receiving audio-frequency information because there is the sound of itself.Audio is compiled
Code module 152, which is encoded used coding mode, needs satisfaction：The coded system is that the audio-frequency information will be sent to
The monitoring device supported.
Videoconference server 17, is communicated to connect with the video conference terminal 15.For convenience of description, we will regard herein
Frequency Conference server 17 and the referred to as video conference subsystem of video conference terminal 15 for communicating connection.
In the present invention, videoconference server 17 is multistage videoconference server, specifically, i.e. using multistage
Cascade network mode, upper level Conference server is connected by node verification mechanism with corresponding next stage Conference server, often
One-level Conference server is communicated to connect by checking with corresponding video conference terminal 15 and monitoring device management server 19.Institute
State videoconference server 17 and not only support management, domination and control of authority to each meeting etc., moreover it is possible to corresponding prison
Device management server 19 and the distribution Internet resources of video conference terminal 15 are controlled, including：Stored session relevant information, configuration and pipe
Board of administration relevant information（The meeting relevant information includes monitoring the Resources list, meeting material, customer terminals, conference status
And meeting daily record etc.）, conferencing data is handled etc..In the present invention, as shown in Fig. 2 videoconference server 17 includes：
Streaming media server 170, is passed for the audio/video information to being sent by monitoring device 13 and by video conference terminal 15
The audio-frequency information in intercommunication brought is distributed；Server 172 is controlled, for handling by video conference terminal institute
The parsing of the request instruction of upload and issue control information.
Monitoring device management server 19 is communicated to connect with monitoring device 13 and videoconference server 17.In the present invention
In, monitoring device management server 19 is used to carry out each monitoring device 13 unified management and control, plays monitoring device 13 and video
Conference subsystem（Video conference terminal 15 and videoconference server 17）Between bridge joint effect so that front end is disposed one
Individual or multiple monitoring devices 13 access video conference subsystem.Specifically, monitoring device management server 19 is essentially consisted in：Connect
Receive the audio/video information of the monitoring device 13 from communication connection and the audio/video information is passed through into videoconference server 17
Transmission receives the audio-frequency information from the video conference terminal to video conference terminal, and by videoconference server 17
And send the audio-frequency information to corresponding monitoring device 13.In actual applications, monitoring device management server 19 is connecing
Receive and connect from what video conference terminal 15 was sended over as after instruction, passing through the facility information of the monitoring device 13 of acquisition, choosing
Select corresponding software development kit SDK to carry out connecing picture with monitoring device 13, the audio/video information of this monitoring device 13 is sent out
Deliver to video conference terminal 15.
A concrete application to video conferencing monitoring system of the present invention is described in detail below：
Videoconference server 17 is set up by corresponding communication module and each video conference terminal and communicated to connect, monitoring
Device management server 19 is set up by corresponding communication module and videoconference server and communicated to connect, monitoring device management clothes
Business device 19 signs in videoconference server 17, obtains the monitoring device for needing to add, passes through the equipment of the monitoring device of acquisition
Information, selects the software development kit SDK of corresponding manufacturer's offer and sets up communication connection with each monitoring device 13 of front end, will
Monitoring device x channel information, is distributed to videoconference server 17.
On the one hand, video conference terminal 15 is by the facility information of the monitoring device 13 received, and generation is connect as instruction simultaneously
Sent by videoconference server 17 to monitoring device management server 19, monitoring device management server 19 receives described
Connect as after instruction, carrying out connecing picture with corresponding monitoring device 13 by software development kit SDK, the sound of this monitoring device 13 is regarded
Frequency information sends videoconference server 17, is distributed by videoconference server 17, sends to proposition and connects regarding as instruction
Frequency conference terminal 15, so as to realize that video conference terminal can receive the audio/video information of monitoring device 13 and be shown.By
Upper to understand, monitoring device 13 only needs to send audio/video information to monitoring device management server 19, without to video council
Each video conference terminal 15 sends audio/video information respectively in view subsystem, so as to overcome processing connection number and with the tolerance
Processed the problem of.
On the other hand, video conference terminal 15 can also initiate monitoring device 13 intercommunication instruction, be taken by video conference
Business device 17, intercommunication instruction is sent to monitoring device management server 19, monitoring device management server 19 responds the intercommunication
Instruction, sets up intercommunication, and the audio that will be supported described in monitoring device 13 between monitoring device 13 and video conference terminal 15
Type of coding is back to the video conference terminal 15 for initiating intercommunication, while the audio-frequency information of monitoring device 13 is passed through into video conference
The distribution of server 17 and send to initiate intercommunication video conference terminal 15.The video conference terminal 15 for initiating intercommunication starts this
Ground mix module, by the sound of whole meeting（The sound is included at the video conference terminal except being set by the monitoring of intercommunication
Other all sound outside standby 13 sound of itself）Encoded according to the audio coding mode that monitoring device 13 is supported
And audio-frequency information all the way is mixed into, by videoconference server 17, the audio-frequency information after coding is sent to monitoring device
Management server 19, is sent to by the monitoring device of intercommunication by monitoring device management server 19 by software development kit SDK
13, the speech enabled of whole video conference terminal 15 and monitoring device 13 is realized, meanwhile, if video conference terminal 15 is simultaneously to more
The monitoring device 13 of individual different vendor carries out intercommunication, then, any one monitoring device 13 therein can be also received from other
The audio-frequency information of monitoring device 13, realizes the audio intercommunication between monitoring device indirectly.
In summary, the video conferencing monitoring system that the present invention is provided, including：Video conference terminal, video conference service
Device, image modalities, monitoring device and monitoring device management server.Set by especially adding monitoring in systems
Standby management server, plays monitoring device and video conference subsystem（Video conference terminal and videoconference server）Between
Bridge joint is acted on, so that one or more monitoring devices that front end is disposed access video conference by monitoring device management server
Subsystem, rather than as being in the prior art that the one or more monitoring devices for disposing front end are respectively connected to video conference subsystem
System, it is simple to operate；Further, since being that each monitoring device of connection is unified using monitoring device management server
Management and control, the forwarding and distribution of corresponding audio/video information and intercommunication audio-frequency information is performed by monitoring device management server, not only
Bandwidth or equipment can be overcome to connect the limitation of number and the efficiency of data transfer is improved, can more realize that video conference is whole in intercommunication
Speech enabled between end and monitoring device and between monitoring device so that it is more convenient to link up.
Above-described embodiment only listing property illustrates the principle and effect of the present invention, not for the limitation present invention.It is any to be familiar with
The personnel of technique can modify to above-described embodiment without departing from the spirit and scope of the present invention.Therefore, this hair
Bright rights protection scope, should be as listed by claims.
Claims (9)
1. a kind of video conferencing monitoring system, it is characterised in that including：Video conference terminal, videoconference server, image are adopted
Collect equipment, monitoring device and monitoring device management server；
Video conference terminal, for gathering and being distributed local audio/video information, receives other video conference terminals and/or monitoring is set
Standby transmitted audio/video information, and the interacting by intercommunication progress audio-frequency information with monitoring device；
Monitoring device, communicates to connect with image modalities, is used for：The video image collecting device is received to absorb or export
Audio/video information, audio-frequency information is carried out by intercommunication with video conference terminal and interacted；
Videoconference server, is communicated to connect with the video conference terminal；
Monitoring device management server, communicates to connect with the monitoring device and the videoconference server, is used for：Receive and
From the audio/video information of the monitoring device of communication connection and the audio/video information is passed through into the videoconference server
Send to video conference terminal, and the audio from the video conference terminal is received by the videoconference server and believe
Cease and send the audio-frequency information to the corresponding monitoring device；
Wherein, video conference terminal is by the facility information of the monitoring device received, and generation is connect as instruction and by video council
View server is sent to monitoring device management server, and monitoring device management server receives described connect as after instruction, passing through
Software development kit is carried out connecing picture with corresponding monitoring device, and the audio/video information of this monitoring device is sent into video conference service
Device, is distributed by videoconference server, is sent to proposing to connect the video conference terminal as instructing, so as to realize video conference
Terminal can receive the audio/video information of monitoring device and be shown；
Or video conference terminal initiates monitoring device intercommunication instruction, by videoconference server, intercommunication instruction is sent extremely
Monitoring device management server, monitoring device management server responds the intercommunication instruction, whole in monitoring device and video conference
Intercommunication is set up between end, and the audio encoding type supported described in monitoring device is back to the video conference end for initiating intercommunication
End, while the audio-frequency information of monitoring device is sent by the distribution of videoconference server to the video conference for initiating intercommunication
Terminal；The video conference terminal for initiating intercommunication starts local mix module, and the sound of whole meeting is propped up according to monitoring device
The audio coding mode held is encoded and is mixed into audio-frequency information all the way, by videoconference server, after coding
Audio-frequency information is sent to monitoring device management server, is sent by monitoring device management server by software development kit SDK
To by the monitoring device of intercommunication, the speech enabled of whole video conference terminal and monitoring device is realized, meanwhile, if video conference is whole
End carries out intercommunication to the monitoring device of multiple different vendors simultaneously, then any one monitoring device therein, which can also be received, comes from
The audio-frequency information of other monitoring devices, realizes the audio intercommunication between monitoring device indirectly.
2. video conferencing monitoring system as claimed in claim 1, it is characterised in that the video conference terminal also includes：It is mixed
Sound module, for the sound progress stereo process at the video conference terminal to be obtained into audio-frequency information.
3. video conferencing monitoring system as claimed in claim 2, it is characterised in that carrying out the sound of stereo process includes
Its at the video conference terminal in addition to the sound of of the audio-frequency information monitoring device to be sent to itself
His all sound.
4. video conferencing monitoring system as claimed in claim 2 or claim 3, it is characterised in that the video conference terminal also includes：
Audio coding module, for the mix module to be carried out into the audio after stereo process to the sound at the video conference terminal
Information is encoded；The audio coding module, which is encoded used coding mode, needs satisfaction：The coded system is
The audio-frequency information monitoring device to be sent to is supported.
5. video conferencing monitoring system as claimed in claim 1, it is characterised in that the image modalities include video camera
Or monopod video camera.
6. video conferencing monitoring system as claimed in claim 1, it is characterised in that the monitoring device is according to different manufacturers
Or model and be provided with different software development kit SDK, the monitoring device management server is carried using the monitoring device
The software development kit SDK of confession and set up and communicate to connect with the corresponding monitoring device.
7. video conferencing monitoring system as claimed in claim 1, it is characterised in that the form of the audio/video information is
H263, H264 or MPEG4.
8. video conferencing monitoring system as claimed in claim 1, it is characterised in that the videoconference server includes：
Streaming media server, it is for the audio/video information to being sent by the monitoring device and whole by the video conference
The audio-frequency information in intercommunication sent is held to be distributed；
Server is controlled, is used for：Handle the parsing and issue control of the request instruction uploaded by the video conference terminal
Information.
9. the video conferencing monitoring system as described in claim 1 or 8, it is characterised in that the videoconference server is many
Level videoconference server.
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| CN201210431452.6A CN103795962B (en) | 2012-11-01 | 2012-11-01 | Video conferencing monitoring system |
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|---|---|---|---|
| CN201210431452.6A CN103795962B (en) | 2012-11-01 | 2012-11-01 | Video conferencing monitoring system |
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