CN105450426A - Multimedia information interaction system and interaction method - Google Patents
Multimedia information interaction system and interaction method Download PDFInfo
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- CN105450426A CN105450426A CN201410423481.7A CN201410423481A CN105450426A CN 105450426 A CN105450426 A CN 105450426A CN 201410423481 A CN201410423481 A CN 201410423481A CN 105450426 A CN105450426 A CN 105450426A
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Abstract
The invention provides a multimedia information interaction system comprising multiple terminals communicating through a central controller, the central controller used for establishing an interaction link between the terminals according to the communication request of the terminals, and the communication link connecting the terminals and the central controller, wherein, when a source terminal and multiple target terminals conduct group communication, the central controller puts the multiple target terminals into a communication group corresponding to the source terminal. The invention further provides a multimedia information interaction method.
Description
Technical field
The present invention relates to a kind of Information Exchange System and exchange method, particularly relate to a kind of interaction of multimedia information system and exchange method.
Technical background
Along with the development of information technology and electronic technology, people more and more tend to use modern means to realize the exchange, displaying etc. of information, and wherein means efficiently the most directly perceived are exactly interaction of multimedia information.The means of information interaction comprise projecting apparatus, magic lantern, show stand, video recording, broadcast, film, electronic whiteboard, computer etc., although these software and hardware Realization of Products multimedia and informationization, information interchange means are enriched, but still a kind of form of interchange is become another form in essence, this pro forma change does not effectively improve information interchange efficiency.Common multimedia interactive mode or the simple superposition of multiple form of communication, exist mutual hardly between information publisher and recipient.
Further, control structure during existing information interaction system adopts substantially, namely the mutual of terminal room is all undertaken controlling and forwarding by central controller, makes the data retransmission pressure of central controller very large.When, big data quantity numerous in terminal or command quantity, central controller is easy to because live load is too large and breaks down or react slack-off, thus affects terminal communication, brings very poor Consumer's Experience.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of interaction of multimedia information system, comprising: multiple terminal of being undertaken communicating by central controller; For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And connect the communication link of terminal and central controller; Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Preferably, described source terminal sends to described central controller and sets up communication set request to set up the communication set corresponding with this source terminal;
Described source terminal sends to described central controller and cancels communication set request to cancel the communication set corresponding with this source terminal.
Preferably, described central controller receive described source terminal set up communication set request after, to described source terminal, whether there is the authority communicated with described target terminal and verify.
Preferably, when source terminal carries out group communication, the Content of Communication not containing target terminal information is sent to central controller, and described Content of Communication is sent to each target terminal in the communication set of source terminal by central controller.
Preferably, when source terminal carries out group communication, the Content of Communication comprising group mark is sent to central controller by source terminal, according to described group of mark, central controller identifies whether this communication is group communication.
Preferably, when source terminal and target terminal carry out traditional communication, the Content of Communication comprising target terminal information is sent to central controller by source terminal, and central controller is traditional communication according to this communication of described target terminal information identification, and described Content of Communication is sent to described target terminal.
Preferably, when described target terminal temporary changes will be become the new source terminal of described communication set by described source terminal, described source terminal sends the request of changing source terminal to described central controller; Described target terminal is changed to new source terminal according to the request of described change source terminal by central controller, and original source terminal is changed to target terminal, and retains the control authority of original source terminal to described communication set.
Preferably, when the new source terminal after change will be reverted to target terminal by described original source terminal, the request of Restorer varieties terminal is sent to described central controller; The control authority of original source terminal verified by central controller, and according to the request of described Restorer varieties terminal, the new source terminal after described change reverted to target terminal, and original source terminal is reverted to source terminal.
Preferably, described terminal comprises user type terminal and equipment type terminal.
Preferably, the authority of described user type terminal is determined by the authority of the user logging in this terminal.
Preferably, the authority of described equipment type terminal is determined by the device type of this terminal.
Another aspect of the present invention provides a kind of central controller of interaction of multimedia information system, and when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Another aspect of the present invention provides a kind of interactive electronic classroom system, comprising: multiple terminal of being undertaken communicating by central controller; For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And connect the communication link of terminal and central controller; Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Another aspect of the present invention provides a kind of interactive electronic conference system, comprising: multiple terminal of being undertaken communicating by central controller; For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And connect the communication link of terminal and central controller; Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Another aspect of the present invention provides a kind of method of interaction of multimedia information, is forwarded the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Preferably, described source terminal sends to described central controller and sets up communication set request to set up the communication set corresponding with this source terminal; Described source terminal sends to described central controller and cancels communication set request to cancel the communication set corresponding with this source terminal.
Preferably, described central controller receive described source terminal set up communication set request after, to described source terminal, whether there is the authority communicated with described target terminal and verify.
Preferably, when source terminal carries out group communication, the Content of Communication not containing target terminal information is sent to central controller, and described Content of Communication is sent to each target terminal in the communication set of source terminal by central controller.
Preferably, when source terminal carries out group communication, the Content of Communication comprising group mark is sent to central controller by source terminal, according to described group of mark, central controller identifies whether this communication is group communication.
Preferably, when source terminal and target terminal carry out traditional communication, the Content of Communication comprising target terminal information is sent to central controller by source terminal, and central controller is traditional communication according to this communication of described target terminal information identification, and described Content of Communication is sent to described target terminal.
Preferably, when described target terminal temporary changes will be become the new source terminal of described communication set by described source terminal, described source terminal sends the request of changing source terminal to described central controller; Described target terminal is changed to new source terminal according to the request of described change source terminal by central controller, and original source terminal is changed to target terminal, and retains the control authority of original source terminal to described communication set.
Preferably, when the new source terminal after change will be reverted to target terminal by described original source terminal, the request of Restorer varieties terminal is sent to described central controller; The control authority of original source terminal verified by central controller, and according to the request of described Restorer varieties terminal, the new source terminal after described change reverted to target terminal, and original source terminal is reverted to source terminal.
Preferably, described terminal comprises user type terminal and equipment type terminal.
Preferably, the authority of described user type terminal is determined by the authority of the user logging in this terminal.
Preferably, the authority of described equipment type terminal is determined by the device type of this terminal.
Another aspect of the present invention provides a kind of interactive approach of e-classroom system, is forwarded the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Another aspect of the present invention provides a kind of interactive approach of electronic meeting system, is forwarded the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
Information interaction system of the present invention lays particular emphasis on the interaction of terminal room, and its Consumer's Experience and convenience are better than traditional interaction systems greatly.Introduce the concept of communication set, be particularly suitable for the system configuration of a multiple target terminal of main control terminal, source terminal need not send communication instruction and Content of Communication respectively to each target terminal in communication set, and only need send a group communication request and Content of Communication to central controller, thus the instruction number in system is greatly reduced, reduce communication pressure, also mitigate simultaneously central control unit data and instruction forward pressure.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the information interaction system that embodiment of the present invention relates to;
Fig. 2 is the structured flowchart of the central controller of the information interaction system that embodiment of the present invention relates to;
Fig. 3 is the process chart of the information interaction system that embodiment of the present invention relates to.
Embodiment
Information interaction system of the present invention comprises central controller and polytype terminal, and each terminal is all connected to central controller by communication media.The communication of each terminal room first sends to central controller, is transmitted to corresponding terminal by central controller.Store the authority that each terminal is corresponding in central controller, and judge whether the communication request of a certain terminal should be allowed to according to the authority of terminal.The communication of terminal room can be man-to-man also can be one-to-many.Below the terminal sending Content of Communication being called source terminal, being called target terminal by needing the terminal receiving this Content of Communication.During One-to-one communication, the communication instruction comprising target terminal information and Content of Communication is sent to central controller by source terminal, extracts target terminal information and Content of Communication is sent to target terminal by central controller.During one-to-many communication, the communication set request of setting up comprising target terminal information is sent to central controller by source terminal, whether central controller checking source terminal has the authority communicated with asked all target terminals, just all target terminals that this communication relates to is divided into communication set corresponding to this source terminal if had.Below the communication that source terminal is undertaken by the mode setting up communication set of the present invention and terminal in group is called group communication, source terminal is called traditional communication by traditional mode sending independent communication instruction to each target terminal.After communication set is set up, only directly central controller need be issued by with organizing the Content of Communication identified during all terminal communications in source terminal and communication set, central controller learns that this content needs to send to all target terminals of this group after recognizing group mark, and the Content of Communication that source terminal sends is sent to all target terminals in group by the terminal list according to this communication set.When source terminal no longer needs to continue to communicate to the terminal in communication set, source terminal sends to central controller and terminates communication set request, and central controller terminates communication set according to the request of source terminal.
Below in conjunction with the specific embodiment in education sector, information interaction system of the present invention is described.
embodiment 1
The information interaction system of the present embodiment is the e-classroom system for educating.Fig. 1 is the system overview figure of the e-classroom system of the present embodiment.As shown in Figure 1, this system comprises central controller 1, wireless router 2, teacher's terminal 3, student terminal 4, presentation screen 5, auxiliary equipment 6, cloud system 7.Wherein, each equipment is all connected to wireless router 2 by wired or wireless mode, and wireless router 2 provides data link for each node; Central controller 1 is the Centroid of whole system, and each internodal communication all will be undertaken by central controller 1.Central controller 1, teacher's terminal 3, student terminal 4, presentation screen 5, auxiliary equipment 6, cloud system 7 are all for being possessed the equipment of data processing and communication capacity by computer, server, panel computer, mobile phone etc.Teacher's terminal 3 and student terminal 4 all belong to user type terminal.User type terminal refers to that this terminal itself does not possess authority information, and user is logged on the device by identity information, and namely the authority of the user logged in is the authority of this terminal.Teacher's terminal 3 and student terminal 4 have different authorities, the respective username and password of Faculty and Students logs in terminal, the communication request sent from terminal sends to central controller 1 through wireless router 2, after the authority that the user of this terminal possesses required for this communication request verified by central controller 1, allow to perform this communication request; If central controller 1 verifies that the user of this terminal does not possess the authority required for this communication request, then refuse this communication request and send error message to this terminal.Presentation screen 5 belongs to equipment type terminal, and so-called equipment type terminal refers to that this terminal itself has authority, and be not used in user and log in, the authority of equipment type terminal is determined by its device type, and the authority of each device type is pre-stored in central controller 1.Presentation screen 5 is equivalent to the blackboard in Traditional Classroom, and its displaying contents is controlled by teacher's terminal 3.Such as, when saying class hour, presentation screen 5 showing teaching PPT and carries out page turning etc.; Serve as a teacher or student writes in the terminal of oneself time, presentation screen 5 shows written contents.Auxiliary equipment 6 comprises identification apparatus 61 and video capture device 62.Identification apparatus can be the equipment identifying fingerprint, bar code, magnetic card, RF card etc., after teacher or student complete identification by a certain mode on the device, the identity information of this user is just transfused to central controller 1, and central controller 1 can activate terminal corresponding to this user or give this user the corresponding authority of terminal logged in.Video capture device carries out real-time video acquisition to classroom, and the video of collection uploads to cloud system 7.Cloud system 7 comprises high in the clouds controller 71 and high in the clouds storage device 72; High in the clouds controller 71 is responsible for authentication of users authority and transceiving data, and high in the clouds storage device 72 stores the private data of the system datas such as each curriculum video and each user.The system of the present embodiment can also comprise Terminal Server Client 8, and now, wireless router 2 accessing Internet communicates with Terminal Server Client 8, and Terminal Server Client 8 can be teacher's terminal 3 also can be student terminal 4.If desired, system can also have secondary presentation screen 9, and its structure is identical with aforementioned presentation screen 5, for demonstrating the content different from aforementioned presentation screen 5.
Central controller 1 comprises rights management unit 11, instruction process unit 12, memory cell 13 and communication unit 14.Communication unit 14 is connected with wireless router 2, thus communicates with each terminal, and the communication request received is sent to instruction process unit 12.The operation that the type of the communication request that instruction process unit 12 analysis receives and needs carry out, for the communication request needing verifying authorization, inquires about to rights management unit 11; For the request needing to store or forward, store data in memory cell 13 and maybe the instruction and data of forwarding is forwarded by communication unit 14.
Below illustrate use and the handling process of the system of the present embodiment.Before class, each several part energising start of system, especially central controller 1 and wireless router 2(step S1).Faculty and Students to enter behind classroom first on identification apparatus by mode identity verifications (step S2) such as fingerprint, bar code, magnetic card, RF cards.Identity information sends central controller 1 to, central controller 1 is accessed cloud system 7 and is inquired about identity information, retrieve in the user information database that high in the clouds controller 71 stores in storage device 72 beyond the clouds, the identity information of result for retrieval and this user is returned to central controller 1.Central controller 1 determines the identity of this user according to the result for retrieval that high in the clouds returns, and the identity information of this user is stored in rights management unit 11.After authentication completes, user uses the username and password of oneself to log in respective terminal (step S3).Terminal can be fixed in classroom, also can be the equipment being configured with related function module that user carries.User is sent to central controller 1 at the username and password that terminal inputs, and whether central controller 1 is correct according to the identity information determination username and password of the user obtained from high in the clouds, and this terminal and this user bound in rights management unit 11.
Start upper class hour, course initialization (step S4) is carried out in the instruction of operation of teacher teacher terminal 3.Course initialization comprises the displaying contents opened presentation screen 5, secondary presentation screen 9 and select each presentation screen and student terminal 4.The display interface of teacher's terminal 3 is divided into zones of different, is teacher side viewing area, presentation screen region, student side viewing area respectively.The machine viewing area is equivalent to the display of the machine, and the content of display local operation, is controlled by the machine display module; Presentation screen region and student side viewing area show content shown on presentation screen 5 and student terminal 4 respectively, are controlled by presentation screen module and student module.Under normal circumstances, presentation screen is identical with the content of teacher side with the content acquiescence that student side shows, that is, now teacher's terminal 3 sends the request of setting up communication set to central controller 1, and the target terminal of communication set comprises presentation screen 5 and student terminal 4.The instruction process unit 12 of central controller 1 receives after teacher's terminal 3 sets up the request of communication set from communication unit 14, inquire about teacher's terminal 3 to rights management unit 11 and whether there is the authority that same presentation screen 5 communicates with student terminal 4, after rights management unit 11 confirms that teacher's terminal 3 possesses above-mentioned authority, instruction process unit 12 is that teacher's terminal 3 sets up the communication set comprising presentation screen 5 and student terminal 4, and relevant information is stored in memory cell 13.
When course starts, presentation screen 5 and student terminal 4 all show the content of teacher's terminal 3, and teacher opens teaching PPT and carries out explaining or carry out in terminal write and project in presentation screen 5 in the terminal of oneself; Midway may need displaying video, and the video window of teacher side viewing area is dragged and dropped into presentation screen region and just can be implemented in displaying video in presentation screen 5 by teacher.The displaying contents acquiescence of student terminal 4 is consistent with the content of presentation screen 5.In the process, the display data in the machine with group mark are constantly sent to central controller 1 by teacher's terminal 3.Central controller 1 is analyzed after receiving above-mentioned information, show that this information will send to all terminals in communication set with group mark, so the display data of teacher's terminal 3 are constantly sent to the other-end in communication set by central controller 1, thus the content of teacher's terminal 3 are presented on presentation screen 5 and student terminal 4.
If need the content showing a certain student terminal 4 in presentation screen 5, other student terminals 4 and teacher's terminal 3, as a certain student with hall answer content, teacher can select the icon of this student terminal 4 and be dragged to presentation screen region on the control inerface of teacher's terminal 3.Now, teacher's terminal 3 sends instruction to central controller 1, the source terminal of this communication set is revised as temporarily the student terminal 4 needing display, after this instruction received by central controller 1, source terminal is revised as the student terminal 4 needing display, teacher's terminal 3 is revised as target terminal by source terminal, but retains the corresponding relation of teacher's terminal 3 and this communication set, namely teacher's terminal 3 still keeps the control authority to this communication set.When the demonstration of this student terminal 4 is complete, when needing the displaying contents of each terminal to switch the content of Islam's teacher terminal 3, teacher carries out corresponding operating to presentation screen region in teacher's terminal 3, the source terminal of this communication set is changeed back teacher's terminal 3 by teacher's terminal 3 instruction central controller 1, and the student terminal 4 before for source terminal is reverted to target terminal.
At school in process, the handling process of system is as follows: serve as a teacher identity verification in teacher's terminal 3 and teacher's terminal 3 input start the instruction of attending class after, this instruction is transmitted to central controller 1.Central controller 1 according to content shown on the default setting of storage in its memory cell 13 or the default setting determination presentation screen 5 of teacher's terminal 3 and student terminal 4, and activates the display interface on presentation screen 5 and student terminal 4.As previously mentioned, teacher can switch the displaying contents on presentation screen 5 and student terminal 4 at any time in teacher's terminal 3.Attend class after starting, whether central controller 1 cycle detection have received the communication request (step S5) that certain terminal is sent.When a communication request is received, the information of the terminal sent request is issued the authority that rights management unit 11 inquires about this terminal by the instruction process unit 12 of central controller 1, and compare with the corresponding form of the authority stored in memory cell 13 with operation, determine whether this terminal has the right to carry out this communication request (step S6).If authority allows (step S6: yes), then process this communication request; If authority does not allow (step S6: no), then ignore this communication request and return error message (step S7).If the communication request of terminal is allowed to, instruction process unit 12 analyzes source terminal and the target terminal of this communication request, and source terminal can only be one at synchronization, and target terminal can be one also can be multiple.Central controller 1 judges whether the target terminal of this communication request is single terminal (step S8).If target terminal is single terminal (step S8: yes), then the information that source terminal sends directly is transmitted to target terminal (step S9) by the communication unit 14 of central controller 1; If target terminal is multiple terminals, then source terminal and multiple target terminal are divided into a communication set (step S10) by the communication unit 14 of central controller 1.Such as, teacher has carried out the operation copied to by the machine displaying contents on presentation screen 5 and student terminal 4 in teacher's terminal 3, corresponding communication request is sent to central controller 1 by teacher's terminal 3, after central controller 1 confirms that teacher's terminal 3 possesses this authority, set up the communication set be made up of teacher's terminal 3, presentation screen 5 and student terminal 4, wherein teacher's terminal 3 is as source terminal, and the content in teacher's terminal 3 is directly projected on presentation screen 5 and student terminal 4.When needing the content of solving a problem of a certain student being write on student terminal 4 to be presented on presentation screen 5 and other student terminals 4, teacher selects the icon drag representing this student terminal 4 to the presentation screen region in teacher's terminal 3 and student terminal viewing area in teacher's terminal 3, teacher's terminal 3 sends corresponding communication request to central controller 1, after central controller 1 confirms that teacher's terminal 3 possesses this authority, the source terminal of this communication set is revised as this student terminal 4, content on this student terminal 4 is projected onto presentation screen 5, teacher's terminal 3 is with on other student terminals 4.
After the source terminal of a communication set does not need to communicate with the terminal in this group again, source terminal sends the instruction (step S11) cancelling communication set to central controller 1.Central controller 1 confirm this instruction do not exceed authority after (step S11: yes), cancel this communication set (step S12).Such as, when after school end, teacher is instruction school end in teacher's terminal 3.After central controller 1 receives this instruction, send the information of school end to each terminal and cancel this communication set.
In the present embodiment, interactive system is used to e-classroom, but is not limited thereto.The present invention also may be used for needing interactive conference system, product demonstration system, electronics presentation system etc., and its part terminal type may have larger difference with present embodiment, but system architecture and present embodiment are substantially identical.
In the present embodiment, one-to-many communication all adopts the method setting up communication set to carry out, but is not limited thereto.One-to-many communication also can have traditional approach and set up communication set two kinds of modes, in conventional manner, the each one-to-many communication of source terminal all will send to central controller the communication instruction comprising target terminal information and Content of Communication, and needs transmission above-mentioned instruction to each target terminal; In the mode setting up communication set, source terminal, after setting up communication set, just no longer sends the information of target terminal, and only sends the communication instruction that comprises group mark and Content of Communication.Therefore, the communication of traditional approach each one-to-many will send multiple communication instruction, and the mode setting up communication set only need send a communication instruction at every turn.Traditional approach is more applicable when frequent variations can occur in the combination of source terminal and target terminal, avoid the operation frequently setting up and cancel communication set, and the mode setting up communication set is more applicable when frequent variations can not occur in the combination of source terminal and target terminal, greatly can lower the expense of the communication instruction of system, reduce the load of central controller.Traditional approach and the mode setting up communication set are combined, good effect can be obtained.By comprising destination terminal addresses in communication instruction or organizing mark, central controller can identify that this communication instruction is the instruction of traditional instruction or communication set pattern.
In the present embodiment, central controller 1 and router are provided separately, but are not limited thereto.Also router can be integrated in central controller 1 inner, router can be wireless router also can be cable router.
In the present embodiment, authentication is carried out to the initiating terminal of all communication request, but is not limited thereto.In some open systems, also can not carry out authentication completely, only can carry out authentication to the initiating terminal of the communication request needing administration authority in other systems.
Be to be understood that embodiment described in above specification and embodiment are only not used in for illustration of the present invention to limit the scope of the invention.After having read the present invention, the amendment of those skilled in the art to various equivalents of the present invention has all fallen within the application's claims limited range.
Claims (27)
1. an interaction of multimedia information system, comprising:
Multiple terminal of being undertaken communicating by central controller;
For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And
Connect the communication link of terminal and central controller;
Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
2. interaction of multimedia information system according to claim 1, is characterized in that:
Described source terminal sends to described central controller and sets up communication set request to set up the communication set corresponding with this source terminal;
Described source terminal sends to described central controller and cancels communication set request to cancel the communication set corresponding with this source terminal.
3. interaction of multimedia information system according to claim 2, is characterized in that:
Described central controller receive described source terminal set up communication set request after, to described source terminal, whether there is the authority communicated with described target terminal and verify.
4. interaction of multimedia information system according to claim 2, is characterized in that:
When source terminal carries out group communication, the Content of Communication not containing target terminal information is sent to central controller, and described Content of Communication is sent to each target terminal in the communication set of source terminal by central controller.
5. interaction of multimedia information system according to claim 4, is characterized in that:
When source terminal carries out group communication, the Content of Communication comprising group mark is sent to central controller by source terminal, according to described group of mark, central controller identifies whether this communication is group communication.
6. interaction of multimedia information system according to claim 5, is characterized in that:
When source terminal and target terminal carry out traditional communication, the Content of Communication comprising target terminal information is sent to central controller by source terminal, central controller is traditional communication according to this communication of described target terminal information identification, and described Content of Communication is sent to described target terminal.
7. interaction of multimedia information system according to claim 4, is characterized in that:
When described target terminal temporary changes will be become the new source terminal of described communication set by described source terminal, described source terminal sends the request of changing source terminal to described central controller;
Described target terminal is changed to new source terminal according to the request of described change source terminal by central controller, and original source terminal is changed to target terminal, and retains the control authority of original source terminal to described communication set.
8. interaction of multimedia information system according to claim 7, is characterized in that:
When the new source terminal after change will be reverted to target terminal by described original source terminal, send the request of Restorer varieties terminal to described central controller;
The control authority of original source terminal verified by central controller, and according to the request of described Restorer varieties terminal, the new source terminal after described change reverted to target terminal, and original source terminal is reverted to source terminal.
9. interaction of multimedia information system according to claim 1, is characterized in that:
Described terminal comprises user type terminal and equipment type terminal.
10. interaction of multimedia information system according to claim 9, is characterized in that:
The authority of described user type terminal is determined by the authority of the user logging in this terminal.
11. interaction of multimedia information systems according to claim 9, is characterized in that:
The authority of described equipment type terminal is determined by the device type of this terminal.
The central controller of 12. 1 kinds of interaction of multimedia information systems, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
13. 1 kinds of interactive electronic classroom systems, comprising:
Multiple terminal of being undertaken communicating by central controller;
For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And
Connect the communication link of terminal and central controller;
Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
14. 1 kinds of interactive electronic conference systems, comprising:
Multiple terminal of being undertaken communicating by central controller;
For setting up the central controller of interactive link at terminal room according to the communication request of terminal; And
Connect the communication link of terminal and central controller;
Wherein, when source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
The method of 15. 1 kinds of interaction of multimedia information, forwards the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
The method of 16. interaction of multimedia information according to claim 15, is characterized in that:
Described source terminal sends to described central controller and sets up communication set request to set up the communication set corresponding with this source terminal;
Described source terminal sends to described central controller and cancels communication set request to cancel the communication set corresponding with this source terminal.
The method of 17. interaction of multimedia information according to claim 16, is characterized in that:
Described central controller receive described source terminal set up communication set request after, to described source terminal, whether there is the authority communicated with described target terminal and verify.
The method of 18. interaction of multimedia information according to claim 16, is characterized in that:
When source terminal carries out group communication, the Content of Communication not containing target terminal information is sent to central controller, and described Content of Communication is sent to each target terminal in the communication set of source terminal by central controller.
The method of 19. interaction of multimedia information according to claim 18, is characterized in that:
When source terminal carries out group communication, the Content of Communication comprising group mark is sent to central controller by source terminal, according to described group of mark, central controller identifies whether this communication is group communication.
The method of 20. interaction of multimedia information according to claim 19, is characterized in that:
When source terminal and target terminal carry out traditional communication, the Content of Communication comprising target terminal information is sent to central controller by source terminal, central controller is traditional communication according to this communication of described target terminal information identification, and described Content of Communication is sent to described target terminal.
The method of 21. interaction of multimedia information according to claim 18, is characterized in that:
When described target terminal temporary changes will be become the new source terminal of described communication set by described source terminal, described source terminal sends the request of changing source terminal to described central controller;
Described target terminal is changed to new source terminal according to the request of described change source terminal by central controller, and original source terminal is changed to target terminal, and retains the control authority of original source terminal to described communication set.
The method of 22. interaction of multimedia information according to claim 21, is characterized in that:
When the new source terminal after change will be reverted to target terminal by described original source terminal, send the request of Restorer varieties terminal to described central controller;
The control authority of original source terminal verified by central controller, and according to the request of described Restorer varieties terminal, the new source terminal after described change reverted to target terminal, and original source terminal is reverted to source terminal.
The method of 23. interaction of multimedia information according to claim 15, is characterized in that:
Described terminal comprises user type terminal and equipment type terminal.
The method of 24. interaction of multimedia information according to claim 23, is characterized in that:
The authority of described user type terminal is determined by the authority of the user logging in this terminal.
The method of 25. interaction of multimedia information according to claim 23, is characterized in that:
The authority of described equipment type terminal is determined by the device type of this terminal.
The interactive approach of 26. 1 kinds of e-classroom systems, forwards the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
The interactive approach of 27. 1 kinds of electronic meeting systems, forwards the communication of terminal room by central controller; When source terminal and multiple target terminal carry out group communication, described multiple target terminal is divided into the communication set corresponding with described source terminal by described central controller.
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| Publication number | Priority date | Publication date | Assignee | Title |
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