CN103051864A - Mobile video conference method and system thereof - Google Patents
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Abstract
The invention belongs to the technical field of communication, and relates to a mobile video conference method and a system thereof, which are used for solving the technical problems of non-reasonable design and the like in the prior art. A mobile video conference comprises a netlike server architecture, gateway equipment and sound mixing equipment, wherein the gateway equipment is connected between the netlike server architecture and a mobile video terminal; the sound mixing equipment is connected between the netlike server architecture and the mobile video terminal; and the mobile video terminal is connected with the netlike server architecture. Compared with the prior art, the mobile video conference method and the system thereof have the advantages of reasonable design, simple structure, easiness in implementing, capability of fully adapting to network bandwidths, improvement on the video effect, flexibility and convenience in using, and no limitation of a time space; and switching can be performed in real time according to network states, so that normal performance of video conferences is ensured.
Description
Technical field
The invention belongs to communication technique field, relate to video conference, especially relate to a kind of mobile video session method and system thereof.
Background technology
Video conferencing system refers to two or more different local individual or colonies, by transmission line and multimedia equipment, sound, image and documentation is transmitted mutually, reaches instant and interactive communication, to finish the system equipment of meeting purpose.Transmitting terminal in communication becomes image and voice signal into digitized signal, its is reappeared for vision, the retrievable information of the sense of hearing at receiving terminal again, compares with videoconference, and it is strong to have intuitive, and the characteristics such as contain much information.TV conference system not only can be heard sound, can also see the convention goer, and jointly in the face of the discussion problem, research drawing, material object are as good as with real meeting, make each participant truly have sense on the spot in person.Can be widely used in the multiple fields such as on-the-spot teaching, on-site working, commercial negotiation.
Owing to rely on the network operation, the network bandwidth is the primary factor that affect the normal operation of video conference always, and along with constantly the widening of range of application, the magnanimity growth of data message is so that this problem is severeer.For this reason, people have carried out long-term exploration, have proposed various solutions, but do not obtain yet gratifying achievement.For example, Chinese patent literature discloses a kind of implementation method and video conferencing system [application number: 200910180440.9] of video conference, wherein, the implementation method of video conference comprises: each voice terminal by public switch telephone network respectively and Media Resource Server alternately to realize the audio transmission between each voice terminal; Each can control terminal by the Internet respectively and videoconference server alternately to realize each transmission of video between can control terminal, wherein, each is can control terminal corresponding with each voice terminal respectively; Can merge by control terminal by each from the vision signal of videoconference server and audio signal from Media Resource Server.The somebody has invented a kind of multi-picture mixing method and device [application number: 200910028044.4] of video conferencing system, its method may further comprise the steps successively: A. video conference terminal and multipoint control unit connect, and this rock noise, video flowing and acoustic situations are sent to multipoint control unit; B. multipoint control unit judges that according to acoustic information which terminal is the speech end, the picture of this speech end and the picture of other-end are synthesized one road outputting video streams, and the picture of the end of will making a speech carries out special demonstration; C. multipoint control unit sends described each video conference terminal that exports to synthetic outputting video streams; D. each video conference terminal is presented at the outputting video streams that receives on the display.
Although such scheme has improved the performance of video conference to a certain extent, video conferencing system of the prior art still designs reasonable not, often easily because the phenomenons such as video is fuzzy, flower screen, clamping stagnation appear in network problem.On the other hand, existing video conferencing system framework adopts the tree-shaped servers architecture platform, realizes the P2P streaming media in the local area network (LAN), and the public network data flow is transmitted by server, and this system belongs to the framework of the weak server of strong terminal.The advantage of existing video conferencing system distributed server architecture is: multistage server cascade, load balancing can realize not shutting down capacity-enlargement technology, supports two-node cluster hot backup.Reduce the pressure of resource pressure, the especially CPU of server.Yet the bandwidth that prior art still exists terminal and server can increase, owing to be subject to the CPU ability of portable terminal, causes video effect to descend; And terminal is fixed terminal normally, can't realize carrying out video conference whenever and wherever possible.
Summary of the invention
The objective of the invention is for the problems referred to above, provide a kind of easy to implement, can fully adapt to the mobile video session method of the network bandwidth.
Another object of the present invention provides a kind of reasonable in design, and is simple in structure, the mobile video session system that video conference is effective.
For achieving the above object, the present invention has adopted following technical proposal: this mobile video session method is characterized in that this method comprises:
A, each mobile video terminal of participating in video conference respectively by wireless communication mode with one tunnel audio signal of this locality and one tunnel video signal transmission videoconference server to netted server architecture;
B, this videoconference server are sent to each mobile video terminal that participates in video conference with multi-channel video signal and the multipath audio signal that receives;
When the network condition of any one mobile video terminal can't satisfy the requirement of video normal play, the multi-channel video signal that videoconference server will mail to this mobile video terminal is sent to first gateway device, by this gateway device multi-channel video signal is merged into one road synthetic video stream again, again with the synthetic video flow transmission to described mobile video terminal;
When the network condition of any one mobile video terminal can't satisfy the requirement of audio frequency normal play, the multipath audio signal that videoconference server will mail to this mobile video terminal is sent to first audio mixing equipment, and by audio mixing equipment multipath audio signal is merged into one road Composite tone stream, again with the Composite tone flow transmission to described mobile video terminal;
C, the mobile video terminal of respectively carrying out video conference show multi-channel video signal or one road synthetic video stream that receives respectively; Respectively carrying out the mobile video terminal of video conference plays the multipath audio signal or one road Composite tone stream that receive respectively.
In above-mentioned mobile video session method, in above-mentioned step b, described gateway device carries out video decode with the multi-channel video signal that receives, convert the yuv format signal after the decoding to, then it is synthetic to carry out video, carries out Video coding again, obtains one road synthetic video stream.
In above-mentioned mobile video session method, in above-mentioned step b, when the network condition of any one mobile video terminal can't satisfy the requirement of video normal play, initiate the synthetic request of video by this mobile video terminal to described videoconference server first, videoconference server is sent to gateway device with multi-channel video signal after receiving request.
In above-mentioned mobile video session method, in above-mentioned step b, the synthetic request of described video is to trigger key by operation setting in the synthetic request of the video of mobile video terminal to trigger.
In above-mentioned mobile video session method, in above-mentioned step b, describedly can't satisfy the video normal play and require to comprise that any one in the following situation appears in the mobile video terminal: picture clamping stagnation, flower screen, picture delay, non-ly at the uniform velocity play; Describedly can't satisfy the audio frequency normal play and require to comprise that any one in the following situation appears in the mobile video terminal: sound clamping stagnation, pause, sound delays, non-ly at the uniform velocity play.
A kind of mobile video session system is characterized in that native system comprises:
Netted server architecture, be used for the Transmission of Multi-channel Video that will receive to gateway device or directly with the Transmission of Multi-channel Video that receives to the mobile video terminal, also be used for the multi-path audio-frequency data that receives is transferred to audio mixing equipment or directly the multi-path audio-frequency data that receives transferred to the mobile video terminal;
Gateway device is used for the multi-path video data that receives is merged into one road synthetic video stream and transfers to the mobile video terminal;
Audio mixing equipment is used for the multi-path audio-frequency data that receives is merged into one road Composite tone stream and transfers to the mobile video terminal;
Above-mentioned gateway device is connected between netted server architecture and the mobile video terminal, and above-mentioned audio mixing equipment connection is between netted server architecture and mobile video terminal, and above-mentioned mobile video terminal links to each other with netted server architecture.
In above-mentioned mobile video session system, also be provided with on the described mobile video terminal for the synthetic request of video that sends the synthetic request of video to netted server architecture and trigger key.
In above-mentioned mobile video session system, described netted server architecture comprises some videoconference server, videoconference server links to each other with some mobile video terminals by wireless communication mode respectively, described videoconference server links to each other with adjacent two described videoconference server respectively, and all videoconference server connect into an annular.
In above-mentioned mobile video session system, described videoconference server links to each other with cloud service platform by wired and/or wireless communication mode.
In above-mentioned mobile video session system, described mobile video terminal comprise in mobile phone, notebook computer, the panel computer any one or multiple; Described gateway device is any one in local area network (LAN)/host gateway, local area network (LAN)/LAN gateway and the internet/LAN gateway.
Compared with prior art, this mobile video session method and advantage of system thereof are: reasonable in design, simple in structure, easy to implement, can fully adapt to the network bandwidth, and improve video effect.Flexible and convenient to use, be not subjected to spatio-temporal restriction, and can switch according to network condition in real time, the assurance video conference is normally carried out.
Description of drawings
Fig. 1 is flow chart provided by the invention.
Fig. 2 is the structural representation of netted server architecture provided by the invention.
Fig. 3 is structural representation provided by the invention.
Among the figure, mobile video terminal 1, the synthetic request of video trigger key 11, netted server architecture 2, videoconference server 21, cloud service platform 22, gateway device 3, audio mixing equipment 4.
Embodiment
As shown in Figure 1, this mobile video session method comprises:
A, each mobile video terminal 1 of participating in video conference respectively by wireless communication mode with one tunnel audio signal of this locality and one tunnel video signal transmission videoconference server 21 to netted server architecture 2;
B, this videoconference server 21 are sent to each mobile video terminal 1 that participates in video conference with multi-channel video signal and the multipath audio signal that receives;
When the network condition of any one mobile video terminal 1 can't satisfy the requirement of video normal play, the multi-channel video signal that videoconference server 21 will mail to this mobile video terminal 1 is sent to first gateway device 3, by this gateway device 3 multi-channel video signal is merged into one road synthetic video stream again, again with the synthetic video flow transmission to described mobile video terminal 1;
When the network condition of any one mobile video terminal 1 can't satisfy the requirement of audio frequency normal play, the multipath audio signal that videoconference server 21 will mail to this mobile video terminal 1 is sent to first audio mixing equipment 4, and by audio mixing equipment 4 multipath audio signal is merged into one road Composite tone stream, again with the Composite tone flow transmission to described mobile video terminal 1;
C, the mobile video terminal 1 of respectively carrying out video conference show multi-channel video signal or one road synthetic video stream that receives respectively; Respectively carrying out the mobile video terminal 1 of video conference plays the multipath audio signal or one road Composite tone stream that receive respectively.
In above-mentioned step b, described gateway device 3 carries out video decode with the multi-channel video signal that receives, and converts the yuv format signal after the decoding to, then carries out video and synthesizes, and carries out Video coding again, obtains one road synthetic video stream.
More particularly, when the network condition of any one mobile video terminal 1 can't satisfy the requirement of video normal play, initiate the synthetic request of video by this mobile video terminal 1 to described videoconference server 21 first, videoconference server 21 is sent to gateway device 3 with multi-channel video signal after receiving request.In the present embodiment, the synthetic request of video is to trigger key 11 by operation setting in the synthetic request of the video of mobile video terminal 1 to trigger.Can't satisfy the video normal play and require to comprise that any one in the following situation appears in mobile video terminal 1: picture clamping stagnation, flower screen, picture are delayed, non-at the uniform velocity broadcast; Can't satisfy the audio frequency normal play and require to comprise that any one in the following situation appears in mobile video terminal 1: sound clamping stagnation, pause, sound are delayed, non-at the uniform velocity broadcast.
This mobile video session system comprises:
Netted server architecture 2, be used for the Transmission of Multi-channel Video that will receive to gateway device 3 or directly with the Transmission of Multi-channel Video that receives to mobile video terminal 1, also be used for the multi-path audio-frequency data that receives is transferred to audio mixing equipment 4 or directly the multi-path audio-frequency data that receives transferred to mobile video terminal 1;
Audio mixing equipment 4 is used for the multi-path audio-frequency data that receives is merged into one road Composite tone stream and transfers to mobile video terminal 1;
Above-mentioned gateway device 3 is connected between netted server architecture 2 and the mobile video terminal 1, and above-mentioned audio mixing equipment 4 is connected between netted server architecture 2 and the mobile video terminal 1, and above-mentioned mobile video terminal 1 links to each other with netted server architecture 2.
Also be provided with on the mobile video terminal 1 for the synthetic request of video that sends the synthetic request of video to netted server architecture 2 and trigger key 11.
Shown in Fig. 2 and 3, netted server architecture 2 comprises some videoconference server 21, videoconference server 21 links to each other with some mobile video terminals 1 by wireless communication mode respectively, described videoconference server 21 links to each other with adjacent two described videoconference server 21 respectively, and all videoconference server 21 connect into an annular.
The invention belongs to the structure of the weak strong server of terminal, weak terminal is not to refer to that all terminals all are to dispose lower equipment, but for server, disposal ability a little less than.In the relatively poor situation of network condition, mobile video terminal 1 receives one road synthetic video stream and one road Composite tone flows, so treating capacity significantly reduces, carrying out that can the effective guarantee video conference.Usually, if when mobile video terminal 1 is the equipment (for example mobile phone) of low configuration, videoconference server 21 sends low code stream, low-qualityer video, audio signal to mobile video terminal 1.When if mobile video terminal 1 is the equipment (for example panel computer) of middle configuration, code stream, the video of mean quality, audio signal during videoconference server 21 sends to mobile video terminal 1.When if mobile video terminal 1 is the equipment (for example notebook computer) of high configuration, videoconference server 21 sends high code stream, high-quality video, audio signal to mobile video terminal 1.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used mobile video terminal 1, the synthetic request of video to trigger the terms such as key 11, netted server architecture 2, videoconference server 21, cloud service platform 22, gateway device 3, audio mixing equipment 4, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. mobile video session method is characterized in that this method comprises:
A, each mobile video terminal (1) of participating in video conference respectively by wireless communication mode with one tunnel audio signal of this locality and one tunnel video signal transmission videoconference server (21) to netted server architecture (2);
B, this videoconference server (21) are sent to each mobile video terminal (1) that participates in video conference with multi-channel video signal and the multipath audio signal that receives;
When the network condition of any one mobile video terminal (1) can't satisfy the requirement of video normal play, the multi-channel video signal that videoconference server (21) will mail to this mobile video terminal (1) is sent to first gateway device (3), by this gateway device (3) multi-channel video signal is merged into one road synthetic video stream again, again with the synthetic video flow transmission to described mobile video terminal (1);
When the network condition of any one mobile video terminal (1) can't satisfy the requirement of audio frequency normal play, the multipath audio signal that videoconference server (21) will mail to this mobile video terminal (1) is sent to first audio mixing equipment (4), and by audio mixing equipment (4) multipath audio signal is merged into one road Composite tone stream, again with the Composite tone flow transmission to described mobile video terminal (1);
C, the mobile video terminal (1) of respectively carrying out video conference show multi-channel video signal or one road synthetic video stream that receives respectively; Respectively carrying out the mobile video terminal (1) of video conference plays the multipath audio signal or one road Composite tone stream that receive respectively.
2. mobile video session method according to claim 1, it is characterized in that, in above-mentioned step b, described gateway device (3) carries out video decode with the multi-channel video signal that receives, convert the yuv format signal after the decoding to, then it is synthetic to carry out video, carries out Video coding again, obtains one road synthetic video stream.
3. mobile video session method according to claim 1 and 2, it is characterized in that, in above-mentioned step b, when the network condition of any one mobile video terminal (1) can't satisfy the requirement of video normal play, initiate the synthetic request of video by this mobile video terminal (1) to described videoconference server (21) first, videoconference server (21) is sent to gateway device (3) with multi-channel video signal after receiving request.
4. mobile video session method according to claim 3 is characterized in that, in above-mentioned step b, the synthetic request of described video is to trigger key (11) by operation setting in the synthetic request of the video of mobile video terminal (1) to trigger.
5. mobile video session method according to claim 3, it is characterized in that, in above-mentioned step b, describedly can't satisfy the video normal play and require to comprise that any one in the following situation appears in mobile video terminal (1): picture clamping stagnation, flower screen, picture delay, non-ly at the uniform velocity play; Describedly can't satisfy the audio frequency normal play and require to comprise that any one in the following situation appears in mobile video terminal (1): sound clamping stagnation, pause, sound delays, non-ly at the uniform velocity play.
6. mobile video session system is characterized in that native system comprises:
Netted server architecture (2), be used for the Transmission of Multi-channel Video that will receive to gateway device (3) or directly with the Transmission of Multi-channel Video that receives to mobile video terminal (1), also be used for the multi-path audio-frequency data that receives is transferred to audio mixing equipment (4) or directly the multi-path audio-frequency data that receives transferred to mobile video terminal (1);
Gateway device (3) is used for the multi-path video data that receives is merged into one road synthetic video stream and transfers to mobile video terminal (1);
Audio mixing equipment (4) is used for the multi-path audio-frequency data that receives is merged into one road Composite tone stream and transfers to mobile video terminal (1);
Above-mentioned gateway device (3) is connected between netted server architecture (2) and the mobile video terminal (1), above-mentioned audio mixing equipment (4) is connected between netted server architecture (2) and the mobile video terminal (1), and above-mentioned mobile video terminal (1) links to each other with netted server architecture (2).
7. mobile video session according to claim 6 system is characterized in that, also is provided with on the described mobile video terminal (1) for the synthetic request of video that sends the synthetic request of video to netted server architecture (2) and triggers key (11).
8. according to claim 6 or 7 described mobile video session systems, it is characterized in that, described netted server architecture (2) comprises some videoconference server (21), videoconference server (21) links to each other with some mobile video terminals (1) by wireless communication mode respectively, described videoconference server (21) links to each other with adjacent two described videoconference server (21) respectively, and all videoconference server (21) connect into an annular.
9. mobile video session according to claim 8 system is characterized in that, described videoconference server (21) links to each other with cloud service platform (22) by wired and/or wireless communication mode.
10. mobile video session according to claim 8 system is characterized in that, described mobile video terminal (21) comprise in mobile phone, notebook computer, the panel computer any one or multiple; Described gateway device (3) is any one in local area network (LAN)/host gateway, local area network (LAN)/LAN gateway and the internet/LAN gateway.
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| CN109714316A (en) * | 2018-12-03 | 2019-05-03 | 视联动力信息技术股份有限公司 | A kind of mixed audio processing method and a kind of view networked system of view networking |
| CN109714560A (en) * | 2018-12-29 | 2019-05-03 | 上海欣方智能系统有限公司 | A kind of mobile terminal video conference system and its implementation |
| CN111641802A (en) * | 2020-06-04 | 2020-09-08 | 天津卓朗科技发展有限公司 | Video data sharing method and device and server |
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