CN203352696U - Multimedia digit conference system - Google Patents
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- CN203352696U CN203352696U CN 201320323422 CN201320323422U CN203352696U CN 203352696 U CN203352696 U CN 203352696U CN 201320323422 CN201320323422 CN 201320323422 CN 201320323422 U CN201320323422 U CN 201320323422U CN 203352696 U CN203352696 U CN 203352696U
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Abstract
The utility model discloses a multimedia digit conference system. The system comprises a call control server, a conference business server, a media resource server and a conference terminal device. The conference terminal device comprises a mobile terminal device and a fixed terminal device, wherein the two devices are used cooperatively for conference participants to initiate a conference call and each provided with a media switching unit. When media is switched, a conversation only containing voice is established between the mobile terminal device and the media resource server. When media is switched, a conversation only containing video and data is established between the fixed terminal device and the media resource server. The conference business server is correspondingly provided with a conference terminal associative unit used for associating the mobile terminal device with the fixed terminal device to form the same conference participant. By using the system, advantages of different terminal devices are fully exploited, multiple control and freedom of conference participants in a multimedia conference participation process are increased, and problems of power consumption and conference content privacy are effectively overcome.
Description
Technical field
The utility model belongs to the multimedia communication technology field, more specifically, relates to a kind of multimedia digital conference system.
Background technology
Along with the fast development of the communication technology and internet, in order to meet better enterprises and individuals's multi-party communication demand, the conventional video meeting changes towards the multimedia digital meeting just day by day.So-called multimedia digital conference system, refer on the basis that is based upon data communication, utilize existing communication network to carry out both can transmitting realtime graphic information, the communication system of transmitting voice information simultaneously again, and then utilize the people of Wei different location, local terminal that telecommunication is provided.The multimedia digital meeting is except providing the multimedia conferencing function of voice+video for the participant, data collaborative functions such as file-sharing, electronic whiteboard, instant message, electronic voting can also be provided, therefore in a plurality of fields of social life, bring into play more and more important effect.
The terminal equipment that current multimedia digital conference system adopts is generally PC or TV, they can provide the peripheral hardwares such as display screen, camera, microphone, and there are the functions such as USB interface, LAN network interface and network, can call out by initiating a road thus, with Conference server, set up the Media Stream that comprises voice, video and data.Because PC or TV are deployed with powerful hardware chip, the large-screen of high definition is provided, possess external power supply, and usually access high-quality fixed network, therefore can bring for the participant of multimedia digital meeting business experience preferably.For example, yet, under some occasion (when the participant need to walk about), above-mentioned multimedia conference terminal just is difficult to the function support facilitated; And this scheme needs remote controller to carry out the meeting control operation, remote controller often is limited to certain range of receiving, and complicated operation and ease for use are very poor.In addition, owing to by internal or external audio amplifier, playing meeting sound, the privacy of conference content also is difficult to obtain assurance.
Along with popularizing of the networks such as wireless access technology and WLAN/3G, the mobile multimedia digital conference system emerges just gradually.Industry has been developed the mobile phone version of multimedia conference terminal at present, supports the Mobile operating systems such as IOS, Android, allows the participant can pass through the smart mobile phone attending multimedia conference whenever and wherever possible.Although this scheme can be the participant action convenience is provided, and solve to a certain extent the problem of conference content privacy, but owing to there being very high operand in conference process, to CPU and internal memory etc., consume very large, the poor smart mobile phone for hardware configuration, possibly can't support the function of video and data session, or have larger processing delay, can't meet the demand of real time communication.Secondly, there is inborn restriction in the size of mobile phone screen, aspect video calling and data session, can't provide good customer experience, participates in the multimedia digital meeting by mobile phone and usually can only set up the SD video calling.Particularly crucially in addition be, all very power consumptions of function such as applied coding and decoding video, camera shooting, cell phone network in multimedia conferencing, and meeting all continues the long period usually, therefore the battery flying power of smart mobile phone becomes a large bottleneck, badly influences the actual commercial ability of this scheme.
Proposed some in prior art adopts smart mobile phone and PC/TV to realize the scheme of multimedia digital meeting simultaneously.For example, can distinguish the installation medium synchronizing software on smart mobile phone and intelligent TV set, the screen of smart mobile phone is projected on television set, by the large-screen of television set, watch video.Yet, the only use of the external-connection displayer using television set as smart mobile phone in this scheme, configuration requirement to mobile phone hardware is higher, configure poor mobile phone and possibly can't support video and data session function, or there is larger processing delay, the problems such as real effectively solution battery of mobile phone continuation of the journey.In addition, in synchronizing process, can only make the mobile phone screen simple extension, can't realize the transformation of mobile phone SD to the television set high definition, so the picture quality of seeing on television screen be still poor.
The utility model content
Above defect or Improvement requirement for prior art, the utility model provides a kind of multimedia digital conference system, wherein pass through to realize the remote multi-media meeting with mobile and fixed terminal equipment simultaneously, and distribute the conference call function according to the characteristics of different types of terminals equipment, multiple handling and freedom in the time of should be able to increasing participant's attending multimedia conference mutually, obtain better business experience, and effectively solve the problems such as power consumption and conference content privacy.
For achieving the above object, according to the utility model, a kind of multimedia digital conference system is provided, this system comprises conference terminal equipment, call control server, convention business server and Media Resource Server, it is characterized in that, described call control server, Media Resource Server all are connected with the convention business server signal and common formation multimedia conferencing platform, wherein:
Call control server calls out for the signaling of accepting conference terminal equipment and signaling is registered, and by the call routing of meeting terminal equipment to the convention business server; Described convention business server manages for the calling to conference terminal equipment, and the control Media Resource Server provides corresponding Media Stream; Described Media Resource Server, for the control according to the convention business server, is carried out and is processed and forward the Media Stream in conference process;
Described conference terminal equipment is mobile terminal device and the fixed terminal equipment be used in conjunction with, they are called out and also have separately the media switch unit for participant's initiating conference, wherein mobile terminal device is set up the conversation that only comprises voice after the media switching and between Media Resource Server, and fixed terminal equipment is set up the conversation that only comprises video and data after the media switching and between Media Resource Server; Described convention business server is corresponding has the conference terminal associative cell, for mobile terminal device and fixed terminal equipment are associated as to same participant.
As further preferably, each described conference terminal equipment also comprises signaling unit, Audio Processing Unit, video processing unit and data processing unit, wherein signaling unit is responsible for making a call, and the media type information of carrying by call signaling is carried out media negotiation; Audio Processing Unit is carried out collection, encoding and decoding, Media Stream transmitting-receiving and play operation for the voice to conference process; Video processing unit is carried out collection, encoding and decoding, Media Stream transmitting-receiving and play operation for the video to conference process; Data processing unit is carried out collection, processing, Media Stream transmitting-receiving and display operation for the data to conference process; Described signaling unit, Audio Processing Unit and video processing unit all are connected with described data processing unit signal.
As further preferably, described Media Resource Server comprises voice conferencing unit, video conference unit and data conferencing unit, wherein the voice conferencing unit is connected with the Audio Processing Unit communication of each conference terminal equipment, for support voice encoding and decoding adaptation, a plurality of participants' voice flow is carried out to audio mixing and forwarding; The video conference unit is connected with the video processing unit communication of each conference terminal equipment, for supporting the coding and decoding video adaptation, a plurality of participants' video flowing is forwarded or be mixed into many pictures; The data conferencing unit is connected with the data processing unit communication of each conference terminal equipment, for the data flow by a plurality of participants, is forwarded.
As further preferably, described Audio Processing Unit comprises microphone, audio coder & decoder (codec), voice transmitting-receiving circuit and loudspeaker; Described video processing unit comprises camera, Video Codec, video receiving circuit and display; Described data processing unit comprises keyboard, mouse, touch screen, data processing circuit and data transmit-receive circuit.
As further preferably, described mobile terminal device comprises smart mobile phone or Ipad, and described fixed terminal equipment comprises computer, intelligent TV set, or Intelligent set top box and television set are by the combination of HDMI Interface realization intercommunication.
As further preferably, between described mobile terminal device and fixed terminal equipment, based on communication protocol, carry out Dynamic Discovery between the two and communicate by letter.
As further preferably, described mobile terminal device is equipped with the sense of touch control unit, in order to trigger described media switching by the touch operation to touch screen.
As further preferably, described mobile terminal device is equipped with acceleration transducer, in order to trigger described media switching by shaking operation.
In general, according to multimedia digital conference system of the present utility model compared with prior art, mainly possess following technological merit:
1, processed by voice call is transferred to mobile terminal device, can be reduced to greatest extent its electricity loss, make the participant free development use multimedia conferencing; In addition, also be convenient to for the participant provides facility in the action, and contribute to guarantee the privacy of conference content;
2, processed by video calling and data session are transferred to fixed terminal equipment, can be guaranteed good data processing speed and image displaying quality, make the participant obtain good business experience; And, owing to carrying out the functions such as terminal switching or meeting control with mobile terminal device, can avoid the use of remote controller and so on device, improve ease for use and the comfort level controlled;
3, according to multimedia digital conference system of the present utility model without the existing network equipment and multimedia service platform are carried out to large change, be subject to the restriction in time and space less, keep the networking structure of original network to use; The function original on existing terminal equipment, without impact, is convenient to product reformation and upgrading, thereby is particularly useful for the application occasion of all kinds of multimedia digital meetings.
The accompanying drawing explanation
Fig. 1 is the unitary construction schematic diagram according to multimedia digital conference system of the present utility model;
Fig. 2 a is for showing the application implementation schematic diagram of the utility model embodiment mono-;
Fig. 2 b is for showing the application implementation schematic diagram of the utility model embodiment bis-.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition, below in each execution mode of described the utility model involved technical characterictic as long as form each other conflict, just can mutually not combine.
Fig. 1 is that Fig. 1 is the unitary construction schematic diagram according to multimedia digital conference system of the present utility model.As shown in fig. 1, this system mainly comprises call control server, convention business server, Media Resource Server and conference terminal equipment, wherein call control server, Media Resource Server all are connected with the convention business server signal and common formation multimedia conferencing platform, call control server calls out for the signaling of accepting conference terminal equipment and signaling is registered, and by the call routing of meeting terminal equipment to the convention business server; The convention business server manages for the calling to conference terminal equipment, and the control Media Resource Server provides corresponding Media Stream; Media Resource Server, for the control according to the convention business server, is carried out and is processed and forward the Media Stream in conference process; For conference terminal equipment, it is mobile terminal device and the fixed terminal equipment be used in conjunction with, for example smart mobile phone and intelligent TV set, they are respectively used to call out for participant's initiating conference, and set up the Media Stream of voice, video and data between conference terminal equipment and Media Resource Server; In addition, conference terminal equipment has the media switch unit separately, wherein mobile terminal device is set up the conversation that only comprises voice after the media switching and between Media Resource Server, fixed terminal equipment is set up the conversation that only comprises video and data after the media switching and between Media Resource Server, described convention business server is corresponding has the conference terminal associative cell, for mobile terminal device and fixed terminal equipment are associated as to same participant.
Particularly, each conference terminal equipment is divided according to function, except above-mentioned media switch unit (media handover module), also comprise signaling unit (signalling module), speech processing module (speech processing module), video processing unit (video processing module) and data processing unit (data processing module) etc., wherein signaling unit is responsible for making a call, and the media type information of carrying by call signaling is carried out media negotiation; Audio Processing Unit comprises sound collection (microphone), encoding and decoding speech, audio medium stream transmitting-receiving and the sound broadcasting functions such as (loudspeaker) in conference process, and for the docking of the voice conferencing module with Media Resource Server audio medium stream; Video processing unit comprises the functions such as video acquisition (camera), coding and decoding video, video media stream transmitting-receiving and video playback (display screen) in conference process, and docks video media stream with the video conference module of Media Resource Server; Data processing unit is carried out collection, processing, Media Stream transmitting-receiving and display operation for the data to conference process, these data are such as comprising that the user is to operation of keyboard, mouse, touch screen etc., data processing unit after gathering these data, corresponding processing, data medium flow forwarding and the data display lamp function comprised these data also.Described signaling unit, Audio Processing Unit and video processing unit all are connected with described data processing unit signal.
For above-mentioned Resource Server, it comprises voice conferencing unit, video conference unit and data conferencing unit, wherein the voice conferencing unit is connected with the Audio Processing Unit communication of each conference terminal equipment, for support voice encoding and decoding adaptation, a plurality of participants' voice flow is carried out to audio mixing and forwarding; The video conference unit is connected with the video processing unit communication of each conference terminal equipment, for supporting the coding and decoding video adaptation, a plurality of participants' video flowing is forwarded, or is mixed into many pictures; The data conferencing unit is connected with the data processing unit communication of each conference terminal equipment, for the data flow by a plurality of participants, is forwarded.
In practice, described mobile terminal device comprises smart mobile phone, Ipad or other similar products, and described fixed terminal equipment comprises computer, intelligent TV set, or the combination by the intercommunication of HDMI Interface realization of Intelligent set top box and television set etc.Mobile terminal device for example can comprise smart mobile phone, Ipad or other similar products, fixed terminal equipment for example comprises computer, intelligent TV set, perhaps Intelligent set top box and television set pass through the combination of HDMI Interface realization intercommunication etc., these terminal equipments are equipped with the key mouse, camera, display screen, button, touch screen, microphone, the hardware such as loudspeaker, there is USB interface, the functions such as LAN network interface and network, and IOS is housed, the operating systems such as Android, thus can be at WLAN, Wi-Fi, under the network support such as 3G or 4G, make a call, set up and comprise voice with the multimedia conferencing platform, video and data are at interior Media Stream.The conference terminal of two types for example can be carried out Dynamic Discovery between the two and communicate by letter based on UPnP communication protocol.In addition, described mobile terminal device also is equipped with sense of touch control unit or acceleration transducer, in order to trigger participant's media handover operation.
According in method of the present utility model, realize that with mobile and fixed terminal equipment the process of multimedia digital meeting can be described below simultaneously:
At first, use one in mobile terminal device and fixed terminal equipment to participate in the multimedia digital meeting, and set up being connected of the terminal equipment that participated in a conference and another one terminal equipment.
Then, by operating mobile terminal equipment, to trigger media, switch, thus mobile terminal device and fixed terminal equipment are associated as to same participant, and make mobile terminal device only bear the function of voice call, fixed terminal equipment is only born the function of video and data session, be also to carry out the conversation that only comprises voice between mobile terminal device and multimedia conferencing platform, and set up the conversation that only comprises video and data between fixed terminal equipment and multimedia conferencing platform.
Particularly, be preferably mobile terminal device and be equipped with the equipment such as acceleration transducer or Tactile control unit in the utility model, so for example, by the operations such as the shaking of mobile terminal device (, micro-letter shake function), touch sensitive display or button are triggered to the media switching.In this way, the use of remote controller and so on device be can avoid, ease for use and the comfort level controlled improved.The detailed process of above-mentioned media switching is:
(1) terminal equipment participated in a conference is to convention business server application TOKEN, and this TOKEN is for being associated as same participant by the terminal equipment and the another one terminal equipment that have participated in a conference;
(2) the convention business server generates unique TOKEN after receiving application, and it is back to the terminal equipment participated in a conference, and this TOKEN is for example the random string of 64;
(3) terminal equipment participated in a conference sends the information that comprises conference parameters (such as meeting Number for access, Conference ID, meeting password, participant etc.), medium type (newpapers and periodicals voice, video and data three types) and described TOKEN to the another one terminal equipment, wherein medium type distributes according to the principle of the corresponding sound-type of mobile terminal device, the corresponding video type+data type of fixed terminal equipment;
(4) the another one terminal equipment is initiated the calling participated in a conference after receiving described information automatically, and call signaling carries above-mentioned conference parameters, TOKEN and media type information;
(5) the convention business server carries out authentication according to conference parameters after receiving calling, according to TOKEN, described another one terminal equipment and the terminal equipment participated in a conference are associated as to same participant, make two terminal equipments be regarded as with a participant and manage, be presented as same people in participant's list; Meanwhile, according to media type information, it is described its Media Stream carried of another one terminal equipment media negotiation, and the corresponding conference call of setting up, owing to only comprising the medium type be assigned with in media negotiation information, so corresponding this Media Stream that also only comprises of negotiation result.
(6) the described terminal equipment participated in a conference is initiated the media re-negotiation calling, to close the Media Stream carried by described another one terminal equipment and to retain remaining Media Stream, then according to the corresponding switching conference call of media re-negotiation result, carry out thus whole media handoff procedure, and in the situation that retain mobile terminal device and fixed terminal equipment advantage, the more excellent multimedia digital convention business of having avoided inferior position to realize separately.
The two kinds of typical application implementation scenes of below take are example, carry out the application implementation flow process of further specific explanations according to multimedia digital conference system of the present utility model.
Embodiment mono-
Multimedia digital conference system structure shown in the present embodiment as shown in Figure 2, wherein in conference terminal equipment except the conventional func modules such as signalling module, speech processing module, video processing module and data processing module, also increased the media handover module; Except call control server, convention business server and Media Resource Server, also in the convention business server, increased the conference terminal relating module in the multimedia conferencing platform.
Referring to Fig. 2 a, the idiographic flow of this embodiment mono-application implementation is as follows:
1) user is just using the smart mobile phone attending multimedia conference, and the multimedia conference terminal on smart mobile phone and Media Resource Server have been set up conversation A, comprises voice, video and three kinds of Media Streams of data;
2) user comes the intelligent TV set side, the multimedia conference terminal of smart mobile phone automatically and the multimedia conference terminal of intelligent TV set set up and contact.The newly-increased media handover module of multimedia conference terminal is based on device discovery mechanism such as UPnP agreements, the Dynamic Discovery of realizing equipment room with communicate by letter;
3) video calling on mobile phone and data session will be switched on television set as the user, carry out certain operation, for example shake smart mobile phone, the newly-increased media handover module of smart mobile phone multimedia conference terminal captures user's operation, triggers the media switching flow;
4) the newly-increased media handover module of smart mobile phone multimedia conference terminal calls signalling module, and to convention business server application TOKEN, this TOKEN is for being associated as same participant by two multimedia conference terminals;
5) after the convention business server is received the request of smart mobile phone multimedia conference terminal, generate unique TOKEN by newly-increased conference terminal relating module, the random string of one 64 for example, the conference terminal relating module records the relation of this TOKEN and smart mobile phone multimedia conference terminal, and TOKEN is returned to the smart mobile phone multimedia conference terminal;
6) the smart mobile phone multimedia conference terminal sends information to the intelligent TV set multimedia conference terminal, transmits conference parameters, medium type and TOKEN; Conference parameters comprises the needed all parameters that participate in a conference, 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 communicate by newly-increased media handover module;
7) after the media handover module of intelligent TV set multimedia conference terminal is received conference parameters, medium type and TOKEN, call signalling module and initiate the calling participated in a conference, the media handover module is to signalling module transparent transmission conference parameters, medium type and TOKEN;
8) signalling module of intelligent TV set multimedia conference terminal makes a call automatically, by call signaling, carries conference parameters and TOKEN; According to the medium type (video+data) of media handover module indication, the media negotiation information of call signaling carrying only comprises video+data, does not comprise voice;
9) after the convention business server is received the calling of intelligent TV set multimedia conference terminal, the conference parameters of carrying according to call signaling is carried out authentication; The TOKEN carried according to call signaling carries out associated by the intelligent TV set multimedia conference terminal with the smart mobile phone multimedia conference terminal, the convention business server is regarded smart mobile phone multimedia conference terminal and intelligent TV set multimedia conference terminal as same participant and is managed, and is presented as same participant in participant's list;
10) the convention business server by the call routing of intelligent TV set multimedia conference terminal to Media Resource Server, complete media negotiation, because the media negotiation information of call signaling carrying only comprises video+data, so negotiation result only comprises video+data, do not comprise voice;
11) according to the media negotiation result of step 10), set up conversation B between intelligent TV set multimedia conference terminal and Media Resource Server, comprise video media stream and data medium stream.The media handover module is controlled the intelligent TV set multimedia conference terminal and is hidden meeting control function;
12) the media handover module of smart mobile phone multimedia conference terminal calls signalling module, requires the medium type of switching current talking A, and indicating new medium type is pure voice call;
13) signalling module of smart mobile phone multimedia conference terminal is initiated the media re-negotiation calling, and the media negotiation information of call signaling carrying only retains voice, closes video and data;
14) the convention business server to Media Resource Server, completes media re-negotiation by the call routing of smart mobile phone multimedia conference terminal, and because the media negotiation information of call signaling carrying has been closed video and data, so negotiation result only stays voice;
15) according to the media negotiation result of step 14), the conversation A between smart mobile phone multimedia conference terminal and Media Resource Server, be pure voice by original voice+video+data exchange.
By the utility model embodiment mono-, the user uses the smart mobile phone attending multimedia conference originally, comprises voice+video+three kinds of data Media Stream, and carries out meeting control by smart mobile phone.The user is by shaking mobile phone, can be by video+data exchange to intelligent TV set, after completing the media switching, smart mobile phone provides voice conferencing function and session control function, intelligent TV set provides video conference and data conferencing function, the convention business server can carry out smart mobile phone and intelligent TV set associated, regards same participant as.
Embodiment bis-
Multimedia digital conference system shown in the present embodiment is constructed equally as shown in Figure 2, and identical with embodiment mono-.
Referring to Fig. 2 b, the idiographic flow of these embodiment bis-application implementations is as follows:
1) user is just using the intelligent TV set attending multimedia conference, and the multimedia conference terminal on intelligent TV set and Media Resource Server have been set up conversation A, comprises voice, video and three kinds of Media Streams of data;
2) multimedia conference terminal of user's smart mobile phone automatically and the multimedia conference terminal of intelligent TV set set up and contact, the newly-increased media handover module of multimedia conference terminal is based on device discovery mechanism such as UPnP agreements, the Dynamic Discovery of realizing equipment room with communicate by letter;
3) user wishes the voice on television set are switched on mobile phone, so carry out certain operation, for example shakes smart mobile phone, and the newly-increased media handover module of smart mobile phone multimedia conference terminal captures user's operation, triggers the media switching flow;
4) the smart mobile phone multimedia conference terminal, to intelligent TV set multimedia conference terminal transmitting order to lower levels, requires to start the media switching flow, by newly-increased media handover module, provides communication function between the two;
5) the newly-increased media handover module of intelligent TV set multimedia conference terminal calls signalling module, and to convention business server application TOKEN, this TOKEN is for being associated as same participant by two multimedia conference terminals;
6) after the convention business server is received the request of intelligent TV set multimedia conference terminal, generate unique TOKEN by newly-increased conference terminal relating module, the random string of one 64 for example, the conference terminal relating module records the relation of this TOKEN and intelligent TV set multimedia conference terminal, and TOKEN is returned to the intelligent TV set multimedia conference terminal;
7) the intelligent TV set multimedia conference terminal sends information to the smart mobile phone multimedia conference terminal, transmits conference parameters, medium type and TOKEN; Conference parameters comprises the needed all parameters that participate in a conference, such as meeting Number for access, Conference ID and meeting password etc.; Medium type is set to voice; TOKEN refers to the TOKEN that above-mentioned steps 6 obtains; Two multimedia conference terminals communicate by newly-increased media handover module;
8) after the media handover module of smart mobile phone multimedia conference terminal is received conference parameters, medium type and TOKEN, call signalling module and initiate the calling participated in a conference, the media handover module is to signalling module transparent transmission conference parameters, medium type and TOKEN;
9) signalling module of smart mobile phone multimedia conference terminal makes a call automatically, by call signaling, carries conference parameters and TOKEN.According to the medium type (voice) of media handover module indication, the media negotiation information of call signaling carrying only comprises voice, does not comprise video and data;
10) after the convention business server is received the calling of smart mobile phone multimedia conference terminal, the conference parameters of carrying according to call signaling is carried out authentication; The TOKEN carried according to call signaling carries out associated by the smart mobile phone multimedia conference terminal with the intelligent TV set multimedia conference terminal, the convention business server is regarded smart mobile phone multimedia conference terminal and intelligent TV set multimedia conference terminal as same participant and is managed, and is presented as same participant in participant's list;
11) the convention business server by the call routing of smart mobile phone multimedia conference terminal to Media Resource Server, complete media negotiation, because the media negotiation information of call signaling carrying only comprises voice, so negotiation result only comprises voice, do not comprise video and data;
12) according to the media negotiation result of step 11), set up conversation B between smart mobile phone multimedia conference terminal and Media Resource Server, comprise audio medium stream;
13) the media handover module of intelligent TV set multimedia conference terminal calls signalling module, requires the medium type of switching current talking A, and indicating new medium type is video+data;
14) signalling module of intelligent TV set multimedia conference terminal is initiated the media re-negotiation calling, and the media negotiation information of call signaling carrying only retains video+data, closes voice;
15) the convention business server to Media Resource Server, completes media re-negotiation by the call routing of intelligent TV set multimedia conference terminal, and because the media negotiation information of call signaling carrying has been closed voice, so negotiation result only stays video+data;
16) according to the media negotiation result of step 15), the conversation A between intelligent TV set multimedia conference terminal and Media Resource Server, be video+data by original voice+video+data exchange.The media handover module is controlled the intelligent TV set multimedia conference terminal and is hidden meeting control function.
By the utility model embodiment, the user uses the intelligent TV set attending multimedia conference originally, comprises voice+video+three kinds of data Media Stream, and carries out meeting control by intelligent TV set.The user is by shaking mobile phone, voice can be switched on smart mobile phone, after completing the media switching, smart mobile phone provides voice conferencing function and session control function, intelligent TV set provides video conference and data conferencing function, the convention business server can carry out smart mobile phone and intelligent TV set associated, regards same participant as.
To sum up, by being transferred to mobile terminal device, voice call processed, the defect that can fully evade the easy power consumption of smart mobile phone, can free development be used multimedia conferencing and facility in the action is provided the participant, and contribute to guarantee the privacy of conference content; Processed by video calling and data session are transferred to fixed terminal equipment, can be guaranteed good data processing speed and image displaying quality, make the 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 controlled.Therefore, the multiple handling and freedom while according to method and system of the present utility model, enough significantly increasing participant's attending multimedia conference, and be applicable to the application occasion of all kinds of multimedia digital meetings.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. a multimedia digital conference system, this system comprises call control server, convention business server, Media Resource Server and conference terminal equipment, it is characterized in that, described call control server, Media Resource Server all are connected with the convention business server signal and common formation multimedia conferencing platform, wherein:
Call control server calls out for the signaling of accepting conference terminal equipment and signaling is registered, and by the call routing of meeting terminal equipment to the convention business server; Described convention business server manages for the calling to conference terminal equipment, and the control Media Resource Server provides corresponding Media Stream; Described Media Resource Server, for the control according to the convention business server, is carried out and is processed and forward the Media Stream in conference process;
Described conference terminal equipment is mobile terminal device and the fixed terminal equipment be used in conjunction with, they are called out and also have separately the media switch unit for participant's initiating conference, wherein mobile terminal device is set up the conversation that only comprises voice after the media switching and between Media Resource Server, and fixed terminal equipment is set up the conversation that only comprises video and data after the media switching and between Media Resource Server; Described convention business server is corresponding has the conference terminal associative cell, for mobile terminal device and fixed terminal equipment are associated as to same participant.
2. multimedia digital conference system as claimed in claim 1, it is characterized in that, each described conference terminal equipment also comprises signaling unit, Audio Processing Unit, video processing unit and data processing unit, wherein signaling unit is responsible for making a call, and the media type information of carrying by call signaling is carried out media negotiation; Audio Processing Unit is carried out collection, encoding and decoding, Media Stream transmitting-receiving and play operation for the voice to conference process; Video processing unit is carried out collection, encoding and decoding, Media Stream transmitting-receiving and play operation for the video to conference process; Data processing unit is carried out collection, processing, Media Stream transmitting-receiving and display operation for the data to conference process; Described signaling unit, Audio Processing Unit and video processing unit all are connected with described data processing unit signal.
3. multimedia digital conference system as claimed in claim 2, it is characterized in that, described Media Resource Server comprises voice conferencing unit, video conference unit and data conferencing unit, wherein the voice conferencing unit is connected with the Audio Processing Unit communication of each conference terminal equipment, for support voice encoding and decoding adaptation, a plurality of participants' voice flow is carried out to audio mixing and forwarding; The video conference unit is connected with the video processing unit communication of each conference terminal equipment, for supporting the coding and decoding video adaptation, a plurality of participants' video flowing is forwarded or be mixed into many pictures; The data conferencing unit is connected with the data processing unit communication of each conference terminal equipment, for the data flow by a plurality of participants, is forwarded.
4. multimedia digital conference system as claimed in claim 3, is characterized in that, described Audio Processing Unit comprises microphone, audio coder & decoder (codec), voice transmitting-receiving circuit and loudspeaker; Described video processing unit comprises camera, Video Codec, video receiving circuit and display; Described data processing unit comprises keyboard, mouse, touch screen, data processing circuit and data transmit-receive circuit.
5. as the described multimedia digital conference system of claim 1-4 any one, it is characterized in that, described mobile terminal device comprises smart mobile phone or Ipad, described fixed terminal equipment comprises computer, intelligent TV set, or Intelligent set top box and television set are by the combination of HDMI Interface realization intercommunication.
6. multimedia digital conference system as claimed in claim 5, is characterized in that, between described mobile terminal device and fixed terminal equipment, based on UPnP communication protocol, carries out Dynamic Discovery between the two and communicate by letter.
7. multimedia digital conference system as claimed in claim 6, is characterized in that, described mobile terminal device is equipped with the sense of touch control unit, in order to trigger described media switching by the touch operation to touch screen.
8. multimedia digital conference system as claimed in claim 6, is characterized in that, described mobile terminal device is equipped with acceleration transducer, in order to trigger described media switching by shaking operation.
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| CN 201320323422 CN203352696U (en) | 2013-06-05 | 2013-06-05 | Multimedia digit conference system |
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| CN 201320323422 CN203352696U (en) | 2013-06-05 | 2013-06-05 | Multimedia digit conference system |
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| CN203352696U true CN203352696U (en) | 2013-12-18 |
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| CN 201320323422 Expired - Lifetime CN203352696U (en) | 2013-06-05 | 2013-06-05 | Multimedia digit conference system |
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| CN107453935A (en) * | 2016-05-31 | 2017-12-08 | 华为技术有限公司 | Reclaim the method, apparatus and conference system of conferencing resource |
| CN108307138A (en) * | 2018-01-24 | 2018-07-20 | 湖北省广播电视信息网络股份有限公司 | Can telecommunication video system and video method |
| CN108347581A (en) * | 2017-01-22 | 2018-07-31 | 中国电信股份有限公司 | Video conference control method, platform and system |
| CN108718243A (en) * | 2014-03-05 | 2018-10-30 | 华为技术有限公司 | A kind of group technology of user terminal, Conference server, conference system |
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