Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the videoconference system architecture schematic diagram according to the embodiment of the invention.As shown in Figure 1, the video conferencing system according to the embodiment of the invention comprises:
Preside over portable terminal 12, being used for setting up video calling with one or more other hosting portable terminals is connected, carry out audio frequency with one or more access portable terminals of insert presiding over portable terminal and/or video data mutual, and will come from the audio frequency and/or the video data that insert portable terminal and be transmitted to above-mentioned one or more other hosting portable terminals.
One or more accessportable terminals 14 are used for insert presiding over portable terminal 12, and carry out audio frequency with this hosting portable terminal 12 and/or video data mutual.
In above-mentioned video conferencing system, use mobile terminal apparatus to set up video conference, broken of the restriction of conventional video meeting hardware to video conference itself, broken through the territorial restrictions of video conference, improved the degree of freedom that portability and meeting are set up greatly.
Preferably, preside over portable terminal 12, can also be to above-mentioned one or more accessportable terminal 14 transmit operations instructions, wherein, operational order comprises: invite the adding meeting, allow speech application or order to withdraw from meeting.
Preferably, above-mentioned one or more accessportable terminals 14 can also send request instruction to presiding over portable terminal, and wherein, request instruction comprises: request adds meeting, request floor or application and withdraws from meeting.
After video conference is set up, above-mentioned video conferencing system can also manage and adjust video conference itself, presiding over portable terminal 12 allows it add meeting to certain access portable terminal initiation invitation, the speech application that perhaps allows certain to insert portable terminal is allowed to condition at speech in the meeting, perhaps orders certain to insert portable terminal and withdraws from meeting.Equally, insert portable terminal and can send application requirement adding meeting, perhaps apply for requesting to make a speech, perhaps initiatively withdraw from video conference to presiding over portable terminal proposition speech to the hosting portable terminal.
Preferably, presiding over portable terminal can set up video calling with other hosting portable terminals by the 3G mobile network and be connected.
Preferably, above-mentioned access portable terminal can pass through WLAN (wireless local area network) (WirelessLAN is called for short WLAN) access hosting portable terminal.
Visual telephone service is a kind of multimedia communication service that integrates image, voice, is the significant business of 3G mobile communication.It can realize the aspectant real-time communication of people, and promptly both call sides can be seen the other side's scene in communication process.Present global mobile operator turns to the 3G (Third Generation) Moblie network one after another, and video phone service is becoming the key component and the characteristic service of 3G business.
And WLAN is to use the local area network (LAN) of wireless connections.The media that it uses radio wave to transmit as data.Transmitting range is generally tens meters.The Backbone network of WLAN (wireless local area network) uses cable (CABLE) usually, and wireless local network user inserts WLAN (wireless local area network) by one or more radio access devices (Wireless Access Points is called for short WAP).WLAN (wireless local area network) has been applied in the business district now widely, university, airport, and other public domains.The standard that WLAN (wireless local area network) is the most general is 802.11 series standards of IEEE definition.Wherein 802.11b defined one on the ISM band of 2.4GHz but message transmission rate up to the physical layer of 11Mbit/s, the ISM band of 2.4GHz is for overwhelming majority of countries is general in the world, so 802.11b has obtained using the most widely.Like this high transmission rate, make it each access device in same WLAN not only can carry out simple data communication more can shared video information.
And along with spreading out of 3G network and popularizing of WIFI network, it is also more and more universal to have these two kinds of functional mobile phones, for good environment has been created in realization of the present invention.Therefore, use this dual mode as setting up the mode that video calling connects and insert portable terminal access hosting portable terminal, can all realize wireless connections, the aspect is quick the most.
Preferably, preside over regularly broadcast conference message request in WLAN (wireless local area network) of portable terminal.
After the video conference structure finished, the situation that needs add new conference member also may appear.Inserting under the situation of portable terminal by WLAN (wireless local area network) access hosting portable terminal, can't obtain host IP if newly add the member of wlan network, this newcomer just can't add video conference, and presiding over portable terminal timing broadcast conference message request in WLAN (wireless local area network) is exactly in order to prevent the appearance of this situation.
The preferred implementation of video conferencing system is described below in conjunction with Fig. 2.
Fig. 2 is a videoconference system architecture schematic diagram according to the preferred embodiment of the invention.As shown in Figure 2, this system comprises that two are presided over portable terminal, be respectively and preside over portable terminal 222 and preside over portable terminal 224, they set up video telephone by 3G network and connect. after having set up video telephone, the hosting portable terminal 222 and 224 at two ends just can be opened the WLAN access function, ask to increase the portable terminal of video conference by used access in the monitoring local area network (LAN), preside over portable terminal in advance and will configure the password that adds meeting, only could add video conference with the access portable terminal that can correctly enter password.This wlan network does not need to insert the Internet yet, as long as can realize the basic communication functions of local area network (LAN).
Inserting portable terminal (only shows three and inserts portable terminal as 240 to 242 among the figure, actual can be for one or more) can by wlan network with preside over portable terminal 222 and be connected, insertportable terminal 243 to 245 and also can be connected with hosting portable terminal 224 by wlan network, such video conferencing system has just been set up by 3G network and wlan network.
After the portable terminal of meeting appointment all added video conferencing system, meeting just can formally begin.The effect of presiding over portable terminal still will not finished the foundation of the passage of video telephone, will be responsible for the activity of each access portable terminal under the own region yet, and as adding meeting, request floor withdraws from meeting or the like.If the access portable terminal of an end is wanted speech, he just can play request to the hosting portable terminal of this end, preside over and right to speak will be given this access portable terminal after portable terminal is agreed, at this moment he just can make a speech, and all portable terminals of the conference system other end just can be heard his sound, if this access portable terminal has camera, preside over portable terminal and also can give the other end the video transmission that should insert portable terminal.
After meeting adjourned, insert portable terminal and can disconnect connection voluntarily, preside over portable terminal and also can initiatively disconnect connection, this video conferencing system is just moved fully and has been finished like this.
Use the framework mode of above-mentioned video conferencing system, having solved that the 3G pattern is different between the 3G mobile of different operators can't be compatible, causes carrying out the problem of video calling.Only pattern is identical between the needs hosting portable terminal, can set up the video calling binding gets final product, then there is not specific restriction to inserting portable terminal, inserting portable terminal links to set up data interaction by variety of ways such as WLAN of the prior art with the hosting portable terminal, can improve the convenience that video conference is set up greatly by presiding over the indirect adding meeting of portable terminal after connecting foundation.
Fig. 3 is the flow chart according to the video conferencing system implementation method of the embodiment of the invention.As shown in Figure 3, the video conferencing system implementation method according to the embodiment of the invention can comprise following processing:
Step S302, hosting portable terminal set up video calling with one or more other hosting portable terminals and are connected.
Step S304, after presiding over portable terminal and one or more access portable terminal and connecting, carry out audio frequency with above-mentioned one or more access portable terminals and/or video data mutual.
Step S306 presides over portable terminal and presides over forwarding audio frequency and/or video data between the portable terminal at above-mentioned one or more access portable terminals and above-mentioned one or more other.
By said method, promptly use mobile terminal apparatus to set up video conference, improved the degree of freedom that portability and meeting are set up greatly.Simultaneously, use this specific framework mode, having solved that the 3G pattern is different between the 3G mobile of different operators can't be compatible, causes carrying out the problem of video calling, has improved the convenience that video conference is set up greatly.
Preferably, after video conference is set up, can also comprise one of following processing:
Presiding over portable terminal can be to inserting the portable terminal executable operations, and this operation includes but not limited to: invite the adding meeting, allow speech application, order to withdraw from meeting.
Insert portable terminal and also can send request to presiding over portable terminal, this request includes but not limited to: request adds meeting, request floor or application and withdraws from meeting.
By these processing, can manage and adjust video conference, to adapt to different situations.
Preferably, presiding over portable terminal is connected by setting up video calling with lower network and other hosting portable terminals: the 3G mobile network.
Preferably, presiding over portable terminal connects by following network insertion portable terminal: WLAN (wireless local area network).
In preferred implementation process, 3G mobile network and WLAN (wireless local area network) are to set up the most convenient and swift mode that video calling connects and insert portable terminal access hosting portable terminal, and reason has detailed description in system embodiment, repeat no more herein.
Preferably, after video conference is set up, preside over regularly broadcast conference message request in WLAN (wireless local area network) of portable terminal.
Preside over portable terminal and just broadcast message request at set intervals in WLAN, the access portable terminal that adds wlan network in the middle of can preventing can't obtain the situation appearance of host IP.
Below in conjunction with Fig. 4 above-mentioned preferred implementation is described.
Fig. 4 is the flow chart of the implementation method of video conferencing system according to the preferred embodiment of the invention.As shown in Figure 4, the implementation method of video conferencing system mainly comprises following processing:
Step S402: hardware environment preparation.Here necessary condition has three:
(1) require the portable terminal of this video conference of participation all to support the WLAN function;
(2) need two portable terminals that can set up video telephone in the portable terminal of two places, these two portable terminals will be as presiding over portable terminal, the effect of presiding over portable terminal still will not finished the foundation of the passage of video telephone, also to be responsible for the activity of each access portable terminal under the own region, as add meeting, request floor withdraws from meeting or the like;
(3) need the portable terminal of two places all to be in separately in two wlan networks, if there is not wlan network, can use computer and wireless router to set up voluntarily, and this network does not need to connect the Internet, the communication function that can only realize local area network (LAN) gets final product, after wlan network was set up and to be finished, all portable terminals that need two places connected wlan network separately, just can carry out the foundation of video conferencing system after obtaining the IP address.
Step S404: being chosen as two portable terminals presiding over portable terminal and carrying out video telephone and connect, is exactly video transmission as the basic function of video conference, and the portable terminal of two places just is to use the 3G mobile network to realize the communication of audio frequency and video here;
Step S406: after the hosting portable terminal has been set up video telephone, just begin to invite the access portable terminal to add video conference.The specific implementation method is as follows:
(1) preside over the message request that portable terminal begins broadcast video meeting in wlan network separately, all portable terminals under this WLAN all can be received this invitation message like this;
(2) after each portable terminal obtains message request, just can know the address of the IP that presides over portable terminal, the portable terminal of wanting afterwards to add video conference can send the application information that adds video conference to this IP address;
(3) preside over portable terminal after searching out the application information of other portable terminal, can send the password check information to this portable terminal;
(4) behind the portable terminal acquisition check information of wanting to insert, can issue the hosting portable terminal with reserving password information in advance;
(5) after the hosting portable terminal verified that this information is correct, just meeting and the above-mentioned portable terminal of wanting to insert were set up data channel, and this portable terminal just can have been shared audio/video information with the host like this.The use of password verification can prevent that any portable terminal in the WLAN from adding video conference, strengthened the confidentiality of video conference;
(6) preside over portable terminal and can just broadcast message request at set intervals in WLAN, the portable terminal that adds wlan network in the middle of can preventing like this can't obtain the situation appearance of host IP.
Step S408: after all portable terminals all add video conference, preside over the portable terminal beginning that organizes a meeting.The access portable terminal of starting stage two places all is the audio/video information that can only obtain to preside over portable terminal, and the access portable terminal that is connected into video can not at will be made a speech, and this also is the characteristics decision of video telephone.Want speech if insert portable terminal, need carry out according to the following steps:
(1) this inserts the request that portable terminal need send right to speak to the hosting portable terminal of present networks;
(2) right to speak of local terminal will be given this access portable terminal after the hosting portable terminal is agreed, exactly audio-frequency information is inserted video telephone, if this access portable terminal has camera, preside over portable terminal and also his video information is inserted video telephone, not only can hear spokesman's sound like this at all portable terminals of the other end, more can see his appearance;
(3) after his speech finished, he just can initiatively abandon right to speak, presided over portable terminal like this and just right to speak can have been given next access portable terminal;
(4) all portable terminals of two places can be heard the sound of conversing in two places like this, and video information can obtain by the mode of selecting voluntarily, and selection is the video that receives other end spokesman, or local terminal spokesman's video.So just realized the function of a video conference fully.
Step S410: after meeting adjourned, each portable terminal can disconnect voluntarily and preside over getting in touch of portable terminal, and presided over also shutdown system initiatively of portable terminal, disconnected and being connected of access portable terminal.The hosting portable terminal at last two ends disconnects video telephone, and the whole video meeting just is through with.
In sum,, overlap conveniently video conferencing system, can realize video conferencing system with mode extremely easily by the combination of 3G network and WLAN is set up one by the foregoing description provided by the invention.At present, it is very universal to have the WLAN functional mobile phone, and video telephone function is also quite ripe, and if wlan network can't find suitablely, can use portable computer and wireless router oneself establishment fully, very convenient.The method of this realization video conference not only expense is cheap, only needs two hosts' of payment video telephone expense, and is not subjected to the restriction of hardware condition, even also can utilize simple equipment and mobile phone to set up video conferencing system out of doors.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.