CN103338346B - A kind of method and system that realize multimedia digital meeting - Google Patents
A kind of method and system that realize multimedia digital meeting Download PDFInfo
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- CN103338346B CN103338346B CN201310222174.8A CN201310222174A CN103338346B CN 103338346 B CN103338346 B CN 103338346B CN 201310222174 A CN201310222174 A CN 201310222174A CN 103338346 B CN103338346 B CN 103338346B
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Abstract
The invention discloses a kind of method that simultaneously realizes multimedia digital meeting with mobile and fixed terminal equipment, the method comprises the following steps: that (a) uses one in mobile terminal device and fixed terminal equipment to participate in multimedia digital meeting, and sets up being connected of the terminal device that participated in a conference and another one terminal device; (b) switch to trigger media by operating mobile terminal equipment, thus mobile terminal device and fixed terminal equipment are associated as to same participant, and make execution between mobile terminal device and multimedia conferencing platform only comprise the call of voice, and between fixed terminal equipment and multimedia conferencing platform, carry out the call that only comprises video and data. The invention also discloses corresponding multimedia digital conference system. By the present invention, can give full play to the advantage of different types of terminals equipment, the multiple handling and freedom while increasing participant's attending multimedia conference, and effectively solve the problem such as power consumption and conference content privacy.
Description
Technical field
The invention belongs to multimedia communication technology field, more specifically, relate to one and realize multimedia numberThe method and system of word meeting.
Background technology
Along with the fast development of the communication technology and internet, in order to meet better enterprises and individuals'sMulti-party communication demand, conventional video meeting changes towards multimedia digital meeting just day by day. So-called many matchmakersBody digital conference system, refers on the basis that is based upon data communication, utilizes existing communication network to enterRow both can transmit realtime graphic information, the communication system of transmitting voice information simultaneously again, and then utilizeThe people of Wei different location, local terminal provides telecommunication. Multimedia digital meeting is except being participantPerson provides outside the multimedia conferencing function of voice+video, can also provide for example file-sharing, electronics whiteThe data collaborative functions such as plate, instant message, electronic voting, therefore send out in multiple fields of social lifeWaving more and more important effect.
The terminal device that current multimedia digital conference system adopts is generally PC or TV, and they canSo that the peripheral hardwares such as display screen, camera, microphone to be provided, and there is USB interface, LAN network interface and networkEtc. function, can call out by initiating a road thus, set up and comprise voice, video with Conference serverWith data at interior Media Stream. Because PC or TV are deployed with powerful hardware chip, provide highGiant-screen clearly, possesses external power supply, and conventionally accesses high-quality fixed network, therefore canThe participant who thinks multimedia digital meeting brings good business experience. But, under some occasion(for example, when participant need to walk about), above-mentioned multimedia conference terminal is just difficult to the function facilitatingSupport; And this scheme needs remote controller to carry out meeting control operation, remote controller is often limited to certainIndividual range of receiving, complicated operation and ease for use are very poor. In addition, owing to coming by internal or external audio amplifierPlay meeting sound, the privacy of conference content is also difficult to obtain guarantee.
Along with popularizing of the network such as wireless access technology and WLAN/3G, mobile multimedia digital meeting systemSystem emerges just gradually. Industry has been developed the mobile phone version of multimedia conference terminal at present, supportsThe Mobile operating system such as IOS, Android, participant can be participated in by smart mobile phone whenever and wherever possibleMultimedia conferencing. Although this scheme can be participant action convenience is provided, and separate to a certain extentThe certainly problem of conference content privacy, but owing to there being very high operand in conference process, to CPUWith internal memory etc. consume very large, for the poor smart mobile phone of hardware configuration, possibly cannot support video andThe function of data session, or there is larger processing delay, cannot meet the demand of real-time Communication for Power.Secondly, there is inborn restriction in the size of mobile phone screen, cannot aspect video calling and data sessionGood customer experience is provided, participates in multimedia digital meeting by mobile phone and conventionally can only set up SD and lookFrequently call. Particularly crucial in addition, applied coding and decoding video, camera in multimedia conferencingAll very power consumptions of function such as shooting, cell phone network, and meeting all continues the long period conventionally, therefore intelligenceThe battery flying power of energy mobile phone becomes a large bottleneck, badly influences the actual commercial energy of this schemePower.
In prior art, proposed some adopts smart mobile phone and PC/TV to realize multimedia simultaneouslyThe scheme of digital session. For example, can on smart mobile phone and intelligent TV set, distinguish installation medium togetherStep software, projects the screen of smart mobile phone on television set, watches by the giant-screen of television setVideo. But in this scheme, only the external-connection displayer using television set as smart mobile phone uses, opponentThe configuration requirement of machine hardware is higher, configures poor mobile phone and possibly cannot support video and data session meritCan, or there is larger processing delay, the inreal problems such as battery of mobile phone continuation of the journey that effectively solve.In addition, in synchronizing process, mobile phone screen simple extension can only be made, mobile phone SD cannot be realized to TVThe transformation of machine high definition, the picture quality of therefore seeing on television screen is still poor.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides one and use and move simultaneouslyMoving and fixed terminal equipment is realized the method and system of multimedia digital meeting, wherein by basis notThe feature of terminal device of the same type is distributed conference call function, and respective design meeting participation, terminalSwitch and the flow process such as meeting control multiple handling can increase participant's attending multimedia conference timeAnd freedom, obtain better business experience, and effectively solve power consumption and conference content privacy etc.Problem.
For achieving the above object, according to one aspect of the present invention, provide one to use movement simultaneouslyRealize the method for multimedia digital meeting with fixed terminal equipment, it is characterized in that, the method comprisesThe following step:
(a) use one in mobile terminal device and fixed terminal equipment to participate in multimedia digital meetingView, and set up being connected of the terminal device that participated in a conference and another one terminal device;
(b) switch to trigger media by operating mobile terminal equipment, thus by mobile terminal device andFixed terminal equipment is associated as same participant, and makes mobile terminal device and multimedia conferencing platformBetween carry out and only comprise the call of voice, and carry out between fixed terminal equipment and multimedia conferencing platformOnly comprise the call of video and data.
As further preferably, in step (a), carry out movement based on UPnP communication protocolDynamic Discovery between terminal device and fixed terminal equipment with communicate by letter, set up thus described terminal deviceBetween connection.
As further preferably, in step (b), by the shake to mobile terminal device, tactileThe operations such as screen or button trigger media and switch.
As further preferably, in step (b), the detailed process that described media switch is:
(b1) terminal device having participated in a conference is to convention business server application TOKEN, this TOKENFor the terminal device having participated in a conference and another one terminal device are associated as to same participant;
(b2) convention business server generates unique TOKEN after receiving application, and is back toThe terminal device participating in a conference;
(b3) terminal device having participated in a conference to another one terminal device send comprise conference parameters,The information of medium type and described TOKEN, wherein medium type is according to the corresponding voice of mobile terminal deviceThe principle of the corresponding video type+data type of type, fixed terminal equipment and distributing;
(b4) another one terminal device is received the calling that after described information, initiation participates in a conference automatically,And call signaling carries above-mentioned conference parameters, TOKEN and media type information;
(b5) convention business server carries out authentication according to conference parameters after receiving calling, according to TOKENDescribed another one terminal device and the terminal device participating in a conference are associated as to same participant; WithThis while, what according to media type information, for described another one terminal device media negotiation, it carriedMedia Stream, and the corresponding conference call of setting up;
(b6) terminal device that participated in a conference described in is initiated media re-negotiation and is called out, with close byThe Media Stream of described another one terminal device carrying and retain remaining Media Stream, then according to mediaThe corresponding switching conference call of heavy negotiation result.
As further preferably, described conference parameters comprises that meeting Number for access, Conference ID and meeting are closeCode etc.
According to another aspect of the present invention, also provide corresponding multimedia digital conference system, its spyLevy and be, this system comprises multimedia conference terminal equipment and multimedia conferencing platform, wherein:
Described multimedia conference terminal equipment is by the mobile terminal device being used in conjunction with and fixed terminal equipmentCommon composition, they have media handover module separately, and this media handover module is used for making eventually mobileBetween end equipment and multimedia conferencing platform, set up and only comprise the call of voice, and fixed terminal is establishedBetween standby and multimedia conferencing platform, set up the call that only comprises video and data;
Described multimedia conferencing platform has conference terminal relating module, and this conference terminal relating module is usedIn mobile terminal device and fixed terminal equipment are associated as to same participant.
As further preferably, described mobile terminal device comprises smart mobile phone, Ipad or other classesLike product, described fixed terminal equipment comprises computer, intelligent TV set, or Intelligent set top box and electricityPass through the combination of HDMI Interface realization intercommunication etc. depending on machine.
As further preferably, described mobile terminal device is equipped with sense of touch control module, so that logicalCross the media handover operation that the touch of touch screen is operated to trigger participant. As selection, also canFor described mobile terminal device is equipped with acceleration transducer, to operate to trigger participant by shakePerson media handover operation.
In general, according to method and system and the existing skill that realizes multimedia digital meeting of the present inventionArt is compared, and mainly possesses following technological merit:
1, by transferring to mobile terminal device to process voice call, can reduce to greatest extentIts electricity loss, makes participant free development use multimedia conferencing; In addition, be also convenient to forMeeting person provides facility in the action, and contributes to ensure the privacy of conference content;
2, by transferring to fixed terminal equipment to process video calling and data session, can ensureGood data processing speed and image displaying quality, make participant obtain good business experience; AndAnd owing to carrying out the functions such as terminal switching or meeting control with mobile terminal device, can avoid distantThe use of control device and so on device, improves ease for use and the comfort level of manipulation;
3, according to multimedia digital conference system of the present invention without to the existing network equipment and multimediaBusiness platform carries out large change, is subject to the restriction in time and space less, the networking that keeps original networkStructure can be used; On having the original function of terminal device without impact, be convenient to product reformation and upgrading,Thereby be particularly useful for the application occasion of all kinds of multimedia digital meetings.
Brief description of the drawings
Fig. 1 be provide according to example of the present invention for realizing the method flow of multimedia digital meetingFigure;
Fig. 2 is the organigram of the multimedia digital conference system that provides according to example of the present invention;
Fig. 3 a is the application implementation schematic diagram for showing the embodiment of the present invention one;
Fig. 3 b is the application implementation schematic diagram for showing the embodiment of the present invention two.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawingAnd embodiment, the present invention is further elaborated. Should be appreciated that described herein concreteEmbodiment only, in order to explain the present invention, is not intended to limit the present invention. In addition described,Involved technical characterictic in each embodiment of the present invention just can as long as do not form to conflict each otherMutually to combine.
Fig. 1 be provide according to example of the present invention for realizing the method flow of multimedia digital meetingFigure. As shown in fig. 1, according to come with mobile and fixed terminal equipment in method of the present invention simultaneouslyRealize multimedia digital meeting, mainly comprise the following steps:
First, use one in mobile terminal device and fixed terminal equipment to participate in multimedia digital meetingView, and set up being connected of the terminal device that participated in a conference and another one terminal device.
Mobile terminal device for example can comprise smart mobile phone, Ipad or other similar products, fixed terminalEquipment for example comprises computer, intelligent TV set, or Intelligent set top box passes through HDMI interface with television setRealize the combination of intercommunication etc., these terminal devices be equipped with key mouse, camera, display screen, button,The hardware such as touch screen, microphone, loudspeaker, have the functions such as USB interface, LAN network interface and network, andThe operating system such as IOS, Android is housed, thus can be at nets such as WLAN, Wi-Fi, 3G or 4GUnder network support, make a call, set up including voice, video and data with multimedia conferencing platformMedia Stream.
The composition of each conference terminal comprises signalling module, speech processing module, looks according to function divisionFrequently processing module and data processing modules etc., wherein signalling module is responsible for making a call, with multimedia meetingView platform carries out media capability negotiation, and builds between multimedia conference terminal and Media Resource ServerVertical voice, video and data three road Media Streams; Speech processing module comprise sound collection (microphone),Sound is play the function such as (loudspeaker), encoding and decoding speech and audio medium stream transmitting-receiving, and for and mediaThe voice conferencing module docking audio medium stream of Resource Server; Video processing module comprises video acquisitionThe functions such as (camera), video playback (display screen), coding and decoding video and video media stream transmitting-receiving,And dock video media stream with the video conference module of Media Resource Server; Data processing module comprisesUser operates (operation to keyboard, mouse, touch screen etc.), data demonstration, data processing and numberAccording to functions such as forwarding media streams, and with the data conferencing module Interworking Data media of Media Resource ServerStream. The core component of multimedia conferencing platform mainly comprises call control server, convention business clothesBusiness device and Media Resource Server, wherein call control server is used for accepting multimedia conference terminal and establishesStandby signaling registration, signaling are called out and signalling route, and by the calling road of multimedia conference terminal equipmentBy giving convention business server; Convention business server is for providing the calling of conference terminal equipment to enterLine pipe reason, and control Media Resource Server flow medium function is provided; Media Resource Server is for rightStreaming Media in conference process is processed and forwarding etc.
UPnP agreement (UniversalPlugandPlay, system that the DLNA of International Standards Organization is leadingOne plug and play) be a kind of widely used device discovery and communication protocol, be based on ICP/IP protocolWith for equipment communication and the new Internet agreement of working out to each other. In the present invention, when fixingWhen terminal device and mobile terminal device are close to each other, can be preferably based on UPnP communication protocol and realize itBetween Dynamic Discovery with communicate by letter.
Then, switch to trigger media by operating mobile terminal equipment, thus by mobile terminal deviceBe associated as same participant with fixed terminal equipment, and make mobile terminal device only bear voice callFunction, fixed terminal equipment is only born the function of video and data session, is also mobile terminal deviceAnd between multimedia conferencing platform, carry out the call that only comprises voice, and fixed terminal equipment and multimediaBetween meeting platform, set up the call that only comprises video and data.
Particularly, be preferably in the present invention mobile terminal device and be equipped with acceleration transducer or sense of touchThe equipment such as control module, so for example, by shake (, the shaking of micro-letter to mobile terminal deviceFunction), the operation such as touch sensitive display or button triggers media and switches. In this way, can avoidThe use of remote controller and so on device, improves ease for use and the comfort level of manipulation. Above-mentioned media switchDetailed process is:
(1) terminal device having participated in a conference is to convention business server application TOKEN, this TOKENFor the terminal device having participated in a conference and another one terminal device are associated as to same participant;
(2) convention business server generates unique TOKEN after receiving application, and is back toThe terminal device participating in a conference, this TOKEN is for example the random string of 64;
(3) terminal device having participated in a conference sends and comprises conference parameters to another one terminal device(such as meeting Number for access, Conference ID, meeting password, participant etc.), medium type (newpapers and periodicalsVoice, video and data three types) and the information of described TOKEN, wherein medium type is according to movingThe principle of the corresponding sound-type of moving terminal device, the corresponding video type+data type of fixed terminal equipment andDistribute;
(4) another one terminal device is received the calling that after described information, initiation participates in a conference automatically, andCall signaling carries above-mentioned conference parameters, TOKEN and media type information;
(5) convention business server carries out authentication according to conference parameters after receiving calling, according to TOKENDescribed another one terminal device and the terminal device participating in a conference are associated as to same participant, makeTwo terminal devices are regarded as and are managed with a participant, in participant's list, be presented as togetherOne people; Meanwhile, according to media type information be described another one terminal device media negotiation itsThe Media Stream carrying, and the corresponding conference call of setting up, divided owing to only comprising in media negotiation informationThe medium type of joining, therefore corresponding this Media Stream that also only comprises of negotiation result.
(6) terminal device having participated in a conference described in is initiated media re-negotiation and is called out, to close by instituteState the Media Stream of another one terminal device carrying and retain remaining Media Stream, then according to media weightThe corresponding switching conference call of negotiation result, carries out thus overall media handoff procedure, and moves in reservationMoving terminal device and fixed terminal equipment separately advantage, avoid having realized in the situation of inferior position more excellent manyMedia digital session business.
Fig. 2 is the organigram of the multimedia digital conference system that provides according to example of the present invention.As shown in Figure 2, mainly comprise that according to multimedia digital conference system of the present invention multimedia conferencing eventuallyEnd equipment and multimedia conferencing platform, wherein multimedia conference terminal equipment is eventually mobile by what be used in conjunction withEnd equipment and fixed terminal equipment form jointly, and they have media handover module separately, and these media are cutDie change piece is set up and is only comprised the logical of voice between mobile terminal device and multimedia conferencing platform for makingWords, and make between fixed terminal equipment and multimedia conferencing platform foundation only comprise video and dataCall; Multimedia conferencing platform has conference terminal relating module, and this conference terminal relating module is used forMobile terminal device and fixed terminal equipment are associated as to same participant.
Particularly, described multimedia conferencing platform also comprises call control server, convention business clothesBusiness device and Media Resource Server, wherein call control server is used for accepting multimedia conference terminal and establishesStandby signaling registration, signaling are called out and signalling route, and by the calling road of multimedia conference terminal equipmentBy giving convention business server; Convention business server is for providing the calling of conference terminal equipment to enterLine pipe reason, and control Media Resource Server flow medium function is provided; Media Resource Server is for rightStreaming Media in conference process is processed and is forwarded.
In practice, described mobile terminal device comprises smart mobile phone, Ipad or other similar productsProduct, described fixed terminal equipment comprises computer, intelligent TV set, or Intelligent set top box and television setCombination by the intercommunication of HDMI Interface realization etc. In addition, described mobile terminal device is equipped with sense of touch controlUnit processed or acceleration transducer, so as to trigger participant media handover operation.
Below will be taking two kinds of typical application implementation scenes as example, carry out further specific explanations according to thisThe application implementation flow process of bright multimedia digital conference system.
Embodiment mono-
Multimedia digital conference system shown in the present embodiment is constructed as shown in Figure 2, wherein in meetingIn terminal device except signalling module, speech processing module, video processing module and data processing moduleOutside conventional func module, also increase media handover module; In multimedia conferencing platform except exhalingCry outside Control Server, convention business server and Media Resource Server, also take in convention businessIn business device, increase conference terminal relating module.
Referring to Fig. 3 a, the idiographic flow of this embodiment mono-application implementation is as follows:
1) user is just using smart mobile phone attending multimedia conference, and the multimedia conferencing on smart mobile phone eventuallyEnd and Media Resource Server have been set up call A, comprise voice, video and three kinds of Media Streams of data;
2) user comes intelligent TV set side, and the multimedia conference terminal of smart mobile phone is automatic and intelligentThe multimedia conference terminal of television set is set up contact. The media handover module that multimedia conference terminal is newly-increasedBased on device discovery mechanism such as UPnP agreements, the Dynamic Discovery of realizing equipment room with communicate by letter;
3) when user will be switched to the video calling on mobile phone and data session on television set, carry out certainIndividual operation, for example, shake smart mobile phone, and the newly-increased media of smart mobile phone multimedia conference terminal switch mouldPiece captures user's operation, triggers media switching flow;
4) the newly-increased media handover module of smart mobile phone multimedia conference terminal calls signalling module, Xiang HuiConference service server application TOKEN, this TOKEN is for being associated as same by two multimedia conference terminalsIndividual participant;
5) after convention business server is received the request of smart mobile phone multimedia conference terminal, by newlyThe conference terminal relating module increasing generates unique TOKEN, for example random string of 64,Conference terminal relating module records the relation of this TOKEN and smart mobile phone multimedia conference terminal, and willTOKEN returns to smart mobile phone multimedia conference terminal;
6) smart mobile phone multimedia conference terminal sends information to intelligent TV set multimedia conference terminal,Transmit conference parameters, medium type and TOKEN; Conference parameters comprises the needed all ginsengs that participate in a conferenceNumber, such as meeting Number for access, Conference ID and meeting password etc.; Medium type is set to video+data;TOKEN refers to above-mentioned steps 5) TOKEN that obtains; Two multimedia conference terminals are by newly-increased matchmakerBody handover module communicates;
7) the media handover module of intelligent TV set multimedia conference terminal is received conference parameters, media classAfter type and TOKEN, call signalling module and initiate the calling participating in a conference, media handover module is to letterMake module transparent transmission conference parameters, medium type and TOKEN;
8) signalling module of intelligent TV set multimedia conference terminal makes a call automatically, believes by callingConference parameters and TOKEN are carried in order; According to the medium type (video+data) of media handover module instruction,The media negotiation information of call signaling carrying only comprises video+data, does not comprise voice;
9) after convention business server is received the calling of intelligent TV set multimedia conference terminal, according toThe conference parameters that call signaling carries is carried out authentication; The TOKEN carrying according to call signaling is by Intelligent electricCarry out depending on machine multimedia conference terminal and smart mobile phone multimedia conference terminal associated, convention business serviceDevice by smart mobile phone multimedia conference terminal and intelligent TV set multimedia conference terminal regard as same withMeeting person manages, and is presented as same participant in participant's list;
10) convention business server by the call routing of intelligent TV set multimedia conference terminal to mediaResource Server, completes media negotiation, because the media negotiation information of call signaling carrying only comprises and looksFrequently+data, therefore negotiation result only comprises video+data, does not comprise voice;
11) according to the media negotiation result of step 10), intelligent TV set multimedia conference terminal and matchmakerBetween body Resource Server, set up call B, comprise video media stream and data medium stream. Media switch mouldPiece control intelligent TV set multimedia conference terminal is hidden and can be controlled function;
12) the media handover module of smart mobile phone multimedia conference terminal calls signalling module, requires to cutChange the medium type of current talking A, indicating new medium type is pure voice call;
13) signalling module of smart mobile phone multimedia conference terminal is initiated media re-negotiation calling, calls outThe media negotiation information of signaling bear only retains voice, closes video and data;
14) convention business server provides the call routing of smart mobile phone multimedia conference terminal to mediaSource server, completes media re-negotiation, because the media negotiation information of call signaling carrying has been closed and lookedFrequency and data, therefore negotiation result only leaves voice;
15) according to the media negotiation result of step 14), smart mobile phone multimedia conference terminal and mediaCall A between Resource Server is pure voice by original voice+video+data exchange.
By the embodiment of the present invention one, user originally uses smart mobile phone attending multimedia conference, comprisesThree kinds of Media Streams of voice+video+data, and carry out meeting control by smart mobile phone. User passes throughShake mobile phone, can be by video+data exchange to intelligent TV set, after completing media switching, and intelligenceCan provide voice conferencing function and session control function by mobile phone, intelligent TV set provides video conference and numberAccording to conferencing function, convention business server can carry out smart mobile phone and intelligent TV set associated, seesDo same participant.
Embodiment bis-
Multimedia digital conference system shown in the present embodiment is constructed equally as shown in Figure 2, and with realityExecute example one identical.
Referring to Fig. 3 b, the idiographic flow of these embodiment bis-application implementations is as follows:
1) user is just using intelligent TV set attending multimedia conference, the multimedia meeting on intelligent TV setView terminal and Media Resource Server have been set up call A, comprise voice, video and three kinds of matchmakers of dataBody stream;
2) multimedia conference terminal of user's smart mobile phone multimedia conferencing automatic and intelligent TV set is wholeEnd is set up contact, and the newly-increased media handover module of multimedia conference terminal is sent out based on equipment such as UPnP agreementsExisting mechanism, the Dynamic Discovery of realizing equipment room with communicate by letter;
3) user wishes the voice on television set to be switched on mobile phone, so carry out certain operation, exampleAs shaking smart mobile phone, the newly-increased media handover module of smart mobile phone multimedia conference terminal captures useThe operation at family, triggers media switching flow;
4) smart mobile phone multimedia conference terminal is to intelligent TV set multimedia conference terminal transmitting order to lower levels,Require to start media switching flow, provide the merit of communication between the two by the media handover module increasing newlyCan;
5) the newly-increased media handover module of intelligent TV set multimedia conference terminal calls signalling module, toConvention business server application TOKEN, this TOKEN is same for two multimedia conference terminals are associated asA participant;
6) after convention business server is received the request of intelligent TV set multimedia conference terminal, pass throughNewly-increased conference terminal relating module generates unique TOKEN, for example random string of 64,Conference terminal relating module records the relation of this TOKEN and intelligent TV set multimedia conference terminal, andTOKEN is returned to intelligent TV set multimedia conference terminal;
7) intelligent TV set multimedia conference terminal sends information to smart mobile phone multimedia conference terminal,Transmit conference parameters, medium type and TOKEN; Conference parameters comprises the needed all ginsengs that participate in a conferenceNumber, such as meeting Number for access, Conference ID and meeting password etc.; Medium type is set to voice; TOKENRefer to the TOKEN that above-mentioned steps 6 obtains; Two multimedia conference terminals switch mould by newly-increased mediaPiece communicates;
8) the media handover module of smart mobile phone multimedia conference terminal is received conference parameters, medium typeAfter TOKEN, call signalling module and initiate the calling participating in a conference, media handover module is to signalingModule transparent transmission conference parameters, medium type and TOKEN;
9) signalling module of smart mobile phone multimedia conference terminal makes a call automatically, passes through call signalingCarry conference parameters and TOKEN. According to the medium type (voice) of media handover module instruction, call outThe media negotiation information of signaling bear only comprises voice, does not comprise video and data;
10) after convention business server is received the calling of smart mobile phone multimedia conference terminal, according toThe conference parameters that call signaling carries is carried out authentication; The TOKEN carrying according to call signaling is by intelligent handIt is associated that machine multimedia conference terminal and intelligent TV set multimedia conference terminal carry out, convention business serviceDevice by smart mobile phone multimedia conference terminal and intelligent TV set multimedia conference terminal regard as same withMeeting person manages, and is presented as same participant in participant's list;
11) convention business server provides the call routing of smart mobile phone multimedia conference terminal to mediaSource server, completes media negotiation, because the media negotiation information of call signaling carrying only comprises voice,Therefore negotiation result only comprises voice, does not comprise video and data;
12) according to the media negotiation result of step 11), smart mobile phone multimedia conference terminal and mediaBetween Resource Server, set up call B, comprise audio medium stream;
13) the media handover module of intelligent TV set multimedia conference terminal calls signalling module, requirementThe medium type that switches current talking A, indicating new medium type is video+data;
14) signalling module of intelligent TV set multimedia conference terminal is initiated media re-negotiation calling, exhalesMake the media negotiation information of signaling bear only retain video+data, close voice;
15) convention business server by the call routing of intelligent TV set multimedia conference terminal to mediaResource Server, completes media re-negotiation, because the media negotiation information of call signaling carrying has been closedVoice, therefore negotiation result only leaves video+data;
16) according to the media negotiation result of step 15), intelligent TV set multimedia conference terminal and matchmakerCall A between body Resource Server is video+data by original voice+video+data exchange.Media handover module control intelligent TV set multimedia conference terminal is hidden can control function.
By the embodiment of the present invention, user originally uses intelligent TV set attending multimedia conference, comprisesThree kinds of Media Streams of voice+video+data, and carry out meeting control by intelligent TV set. User is logicalCross shake mobile phone, voice can be switched on smart mobile phone, after completing media switching, intelligent handMachine provides voice conferencing function and session control function, and intelligent TV set provides video conference and data meetingView function, convention business server can carry out smart mobile phone and intelligent TV set associated, regards as sameA participant.
To sum up, by transferring to mobile terminal device to process voice call, can fully evade intelligenceThe defect of the easy power consumption of energy mobile phone, can free development be used multimedia conferencing and action is provided participantOn facility, and contribute to ensure the privacy of conference content; By by video calling and data sessionTransfer to fixed terminal equipment to process, can ensure that good data processing speed and image show matterAmount, makes participant obtain good business experience; And the use that can avoid remote controller and so on to install,Improve ease for use and the comfort level of manipulation. Therefore, enough significantly increase according to method and system of the present inventionMultiple handling and freedom while adding participant's attending multimedia conference, and be applicable to all kinds of multimediasThe application occasion of digital session.
Those skilled in the art will readily understand, the foregoing is only preferred embodiment of the present invention,Not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, etc.With replacement and improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. realize a method for multimedia digital meeting with mobile and fixed terminal equipment simultaneously,It is characterized in that, the method comprises the following steps:
(a) use one in mobile terminal device and fixed terminal equipment to participate in multimedia digital meetingView, and set up being connected of the terminal device that participated in a conference and another one terminal device;
(b) switch to trigger media by the described mobile terminal device of operation, thus by described eventually mobileEnd equipment and described fixed terminal equipment are associated as same participant, and make this mobile terminal device withBetween multimedia conferencing platform, carry out the call that only comprises voice, and this fixed terminal equipment and multimediaBetween meeting platform, carry out the call that only comprises video and data; In addition, switch for above-mentioned media,Its detailed process is:
(b1) terminal device having participated in a conference is to convention business server application TOKEN, this TOKENFor the terminal device having participated in a conference and another one terminal device are associated as to same participant;
(b2) convention business server generates unique TOKEN after receiving application, and is back toThe terminal device participating in a conference;
(b3) terminal device having participated in a conference to another one terminal device send comprise conference parameters,The information of medium type and described TOKEN, wherein medium type is according to the corresponding voice of mobile terminal deviceThe principle of the corresponding video type+data type of type, fixed terminal equipment and distributing;
(b4) another one terminal device is received the calling that after described information, initiation participates in a conference automatically,And call signaling carries above-mentioned conference parameters, TOKEN and media type information;
(b5) convention business server carries out authentication according to conference parameters after receiving calling, according to TOKENDescribed another one terminal device and the terminal device participating in a conference are associated as to same participant; WithThis while, what according to media type information, for described another one terminal device media negotiation, it carriedMedia Stream, and the corresponding conference call of setting up;
(b6) terminal device that participated in a conference described in is initiated media re-negotiation and is called out, with close byThe Media Stream of described another one terminal device carrying and retain remaining Media Stream, then according to mediaThe corresponding switching conference call of heavy negotiation result.
2. the method for claim 1, is characterized in that, in step (a), based on UPnPCommunication protocol carry out Dynamic Discovery between described mobile terminal device and described fixed terminal equipment andCommunication, sets up the connection between described terminal device thus.
3. method as claimed in claim 1 or 2, is characterized in that, in step (b), logicalCrossing the operations such as shake, touch screen or button to described mobile terminal device triggers media and switches.
4. method as claimed in claim 3, is characterized in that, described conference parameters comprises that meeting connectsThe number of entering, Conference ID and meeting password.
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