CN105635628A - Backpack type individual access video conference method and system - Google Patents
Backpack type individual access video conference method and system Download PDFInfo
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- CN105635628A CN105635628A CN201610045004.0A CN201610045004A CN105635628A CN 105635628 A CN105635628 A CN 105635628A CN 201610045004 A CN201610045004 A CN 201610045004A CN 105635628 A CN105635628 A CN 105635628A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1818—Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a backpack type individual access video conference method. A conference is mainly composed of a plurality of meeting places and a plurality of scattered individuals, and the meeting places and the meeting places and the individuals and the meeting places carry out signal interaction via a conference control center. According to the backpack type individual access video conference method provided by the invention, the normal operation of the video conference in a complex environment can be realized by a wireless transceiver device, the conference control center diffuses video information of the meeting places outwards in a broadcast form, and a user holding a backpack type individual access video conference device can be guaranteed to carry out the video conference while moving.
Description
Technical field
The present invention relates to a kind of multimedia interaction method, particularly a kind of backpack individual soldier accesses video-meeting method and system.
Background technology
Continuous propelling along with city management, public safety, national defence Disaster reduction information and industry solution of emergent event demand, the information requirement that government and enterprise are linked up for linkage department and front information is controlled also constantly promotes, the construction mode of original video conferencing system independent operating has been not suitable with the application demand of client, based on one of the comprehensive emergency commading system development trend being increasingly becoming industry requirement of video conferencing system, information acquisition system, movable positioning system and comprehensive Command & Decision System. Video conferencing system is proposed higher technology requirement by comprehensive emergency commading system, except original sound, video definition, outside original technical need such as the stability of system, the stability under the adaptability run for the compatibility of multisystem fusion, Multi net voting and complex environment it is also proposed higher requirement.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of backpack individual soldier and accesses video-meeting method, comprises the following steps:
The audio and video information of scene around the movable video-audio device collection that individual soldier carries, and this video-audio signal is sent out by wireless signal transceiver;
The wireless signal receiver of conference control center receives the wireless signal that multichannel individual soldier's wireless signal dispensing device transmits with meeting-place, and is decoded by multiple wireless signal, and decoded data send to conference control center;
Decoding data are sent the rear end video conference terminal to meeting-place by described conference control center;
Described rear end video conference terminal gathers the audio and video information in meeting-place, and is sent by the audio and video information in meeting-place to conference control center, and the audio and video information in meeting-place is sent to wireless signal dispensing device by described conference control center;
The audio and video information in meeting-place is sent out by the wireless signal dispensing device of described conference control center with the forms of broadcasting;
Individual soldier's wireless signal transceiver in broadcast signal range, receives broadcast singal, and sends to individual soldier the movable video-audio device carried after being decoded by described broadcast singal, and described movable video-audio device plays the video-audio signal in meeting-place.
Further, when described meeting-place has multiple, the video-audio signal in a meeting-place is selected to broadcast.
Further, described access video-meeting method also includes: meeting-place right to speak is asked;
The meeting-place needing speech in the plurality of meeting-place sends right to speak solicited message to conference control center, after described control centre receives right to speak solicited message, terminates the competence of speech in former speech meeting-place, by the meeting-place of right to speak distribution to request speech.
The described meeting-place obtained the floor, it will the audio and video information of field is sent out with the forms of broadcasting.
Further, when the plurality of meeting-place is simultaneously to conference control center transmission right to speak solicited message, described conference control center does not terminate the competence of speech in former speech meeting-place;
Described conference control center sends information to the meeting-place of request right to speak, and there is the request speech of multiple meeting-place prompting present stage, please postpone speech.
Further, described access video-meeting method also includes: individual soldier's right to speak is asked;
The movable video-audio device that described individual soldier carries sends right to speak solicited message to conference control center, or is directly authorized by conference control center;
After described control centre receives right to speak solicited message, terminate making a speech the right to speak in meeting-place, by individual soldier's movable video-audio device of right to speak distribution to request speech;
The described individual soldier's movable video-audio device obtained the floor, the audio and video information of individual soldier's movable video-audio device collection is sent out by conference control center with the forms of broadcasting.
Further, carry out, at described individual soldier's movable video-audio device, the right to speak solicited message that in the process made a speech, conference control center refusal meeting-place sends;
After the speech of described individual soldier's movable video-audio device terminates, described conference control center starts to accept the right to speak solicited message that meeting-place sends, and by the meeting-place of right to speak distribution to request speech.
Further, the audio and video information that the AV device made a speech gathers is amplified display by described rear end video conference terminal.
For solving above-mentioned technical problem, the present invention also provides for a kind of backpack individual soldier and accesses video conferencing system, including: backpack individual soldier's video conference device, for gathering audio and video information, the audio and video information gathered is sent to conference control center, and accepts and play the broadcast message that conference control center sends;
Conference control center, for receiving backpack individual soldier's video conference device and the audio and video information of meeting-place transmission, this audio and video information is sent the media playing apparatus to meeting-place, and the audio and video information receiving backpack individual soldier's video conference device and meeting-place transmission is sent out with the forms of broadcasting;
Rear end video conference terminal, is arranged on meeting-place, for being played out by the audio and video information that conference control center sends, and gathers the audio and video information in meeting-place.
Further, described backpack individual soldier's video conference device includes: bear support, wireless signal transceiver, photographic head, display device, earphone and mike, wireless signal transceiver, camera head, earphone and mike described in described backpack rack bearing, described earphone and mike are connected with camera head respectively, and described camera head is connected with wireless signal transceiver.
Further, described conference control center includes: wireless signal receiver, wireless signal dispensing device, head end video conference terminal and video conference MCU, described wireless signal receiver is connected with head end video conference terminal, and described wireless signal dispensing device, media playing apparatus, meeting-place AV device are connected with video conference MCU respectively with head end video conference terminal.
The invention have the benefit that 1. are capable of video conference by wireless transmitter and are normally carried out in complex environment, conference control center with the form of broadcast by the audio and video information in meeting-place to external diffusion, ensure that the user holding backpack individual soldier's video conference device, it is possible in traveling, carry out video conference.
2. the present invention adopts right to speak request control method, it is possible to the exchange that preventing arbitrarily makes a speech in video conference causes is chaotic, enables video conference efficiently and the carrying out of order; Competence of speech is held the user of backpack individual soldier's video conference device, ensure that the user performing hot mission, in case of emergency, can not only by the status report of oneself to meeting-place, by broadcast, can being sent to other users the own body situation very first time equally, the information found out maybe is sent to teammate by the help obtaining other people as early as possible.
Accompanying drawing explanation
Fig. 1 is video conference flow chart of the present invention;
Fig. 2 be the multiple meeting-place of the present invention referring to video conference time right to speak allocation flow figure;
Fig. 3 is the present invention multiple meeting-place right to speak allocation flow figure when simultaneously asking right to speak;
Fig. 4 is individual soldier's right to speak of the present invention request flow chart;
Fig. 5 is videoconference system architecture block diagram of the present invention.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail. It should be noted that be expressed " being fixed on " another element when element, it can directly on another element or can there is one or more element placed in the middle therebetween. When an element is expressed " connection " another element, it can be directly to another element or can there is one or more element placed in the middle therebetween. Term " vertical ", " level ", "left", "right" and similar statement that this specification uses are for illustrative purposes only.
Unless otherwise defined, all of technology that this specification uses is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology. The term used in the description of the invention in this specification is intended merely to the purpose describing specific embodiment, is not intended to the restriction present invention. The term "and/or" that this specification uses includes the arbitrary and all of combination of one or more relevant Listed Items.
Embodiment 1
Referring to Fig. 1, a kind of backpack individual soldier accesses video-meeting method, and meeting composition mainly has multiple meeting-place, and the multiple individual soldiers with being distributed in bulk carry out signal communication by conference control center between meeting-place and meeting-place and individual soldier and meeting-place. Signal communication comprises the following steps:
S110: the audio and video information of scene around the movable video-audio device collection that individual soldier carries, audio and video information includes the image of shooting surrounding and the voice messaging of individual soldier self, after movable video-audio device gathers information above, information above is sent in the wireless signal transceiver being connected with movable video-audio device, wireless signal transceiver is used for receiving and sending radio signal, it is achieved remote-wireless signal transmits. For making wireless signal just have stronger capacity of resisting disturbance, in present embodiment, wireless signal transceiver uses COFDM (codedorthogonalfrequencydivisionmultiplexing, COFDM) video transceiver, but it is not limited to this, difference according to application scenarios, it is possible to select other different types of wireless signal transmissions. After the video-audio signal of collection is sent to wireless signal transceiver by movable video-audio, after this video-audio signal is modulated by wireless signal transceiver, this electromagnetic wave being loaded with this video-audio signal is sent.
S120: the wireless signal receiver of conference control center receives the wireless signal that multichannel individual soldier's wireless signal dispensing device transmits with meeting-place, conference control center is provided with wireless signal receiver, the wireless signal that the wireless signal sent for receiving individual soldier sends with meeting-place. Wherein meeting-place refer on ground, naval vessels and the aerial base with video conference device or headquarter. The wireless signal receiver of conference control center can receive multiple wireless signal simultaneously. In present embodiment, wireless signal receiver is COFDM video receiver, but is not limited to this, the difference according to application scenarios, it is possible to select other different types of wireless signal transmissions. The wireless signal received is decoded by wireless signal receiver, audio and video information and carrier signal is peeled off, has decoded rear wireless signal receiver and decoding data are sent to conference control center.
S130, decoding data are sent the rear end video conference terminal to meeting-place by conference control center. Conference control center is as the tie of communication for information between meeting-place and individual soldier, after accepting decoding data, the data that different individual soldiers or meeting-place send is divided into independent data stream, and multiple independent data streams are sent to the rear end video conference terminal in meeting-place. Rear end video conference terminal includes: audio/video media player and audio-visual collection device. Wherein, audio/video media player is used to play the video speech information in individual soldier or meeting-place itself, audio/video media player can show Multichannel synchronous video information and at least one road voice messaging simultaneously, Multi-path synchronous shows hardware device can be adopted to complete such as split screen display, it also is able to use split screen software, it is achieved in the video information of the multiple different links of same display simultaneous display. Wherein, audio-visual collection device is mike and photographic head, can be portable or fixed according to different application scenarios mikes and photographic head.
S140, meeting-place is after receiving the audio and video information that individual soldier sends, it is necessary to be sent to by the audio and video information within meeting-place on the movable video-audio device that individual soldier holds, and now, is arranged on the rear end video conference terminal within meeting-place and gathers the audio and video information in meeting-place. Specifically, being, by the mike in the video conference terminal of rear end and photographic head, meeting-place is carried out audio and video information collection, wherein, camera collection video information, mike gathers voice messaging. After the video information collected and voice messaging are sent to conference control center, video information and voice messaging are carried out audio mixing by video conference center, and video information and voice signal are combined into complete video information. And this video information is sent to wireless signal dispensing device. Wherein, wireless signal dispensing device is COFDM video transmitter, but is not limited to this, the difference according to application scenarios, it is possible to select other different types of wireless signal transmission S140.
S150, the audio and video information in meeting-place is sent out by the high-power wireless sender unit of conference control center with the forms of broadcasting; Specifically, meeting-place video information is modulated over the carrier signal by wireless signal dispensing device, and this carrier signal is sent.
S160, individual soldier's wireless signal transceiver in broadcast signal range, receives broadcast singal, and this broadcast singal is demodulated decoding, being sent on movable video-audio device by meeting-place video data after completing decoding, now the AV device of indication is specially display device and earphone.
Can between meeting-place and meeting-place and between meeting-place and individual soldier after completing above step, it is established that a set of wireless video conference system, the meeting-place participating in video conference can be one or more. When DANGSHEN and meeting-place only one of which, this meeting-place has right to speak all the time, and namely the real time video signals in this meeting-place and voice signal are all the time with the form transfer-out of broadcast. When the meeting-place participating in video conference has multiple, the audio and video information in multiple meeting-place can not send with the form of broadcast simultaneously, and audio and video information broadcast can be caused the problem that video conference is disorder by multiple meeting-place simultaneously. Therefore when having multiple meeting-place to simultaneously participate in video conference, it should competence of speech is set.
When multiple meeting-place participate in video conference, conference control center arranges competence of speech, the acquirement of competence of speech is initiated right to speak request by meeting-place to conference control center, and obtain after conference control center is permitted, the audio and video information in own meeting-place can be sent to other meeting-place and individual soldier by the meeting-place obtained the floor by the form broadcasted, the audio and video information in the meeting-place not obtained the floor sends the method that this audio and video information can be transmitted by conference control center with network to conference control center, it is sent in the meeting-place of other participations, but do not send the audio and video information without right to speak to individual soldier. as shown in Figure 2, specifically, when meeting-place to obtain right to speak, S210 sends right to speak solicited message to conference control center, after conference centre receives this right to speak solicited message, S220 examines whether present stage speech meeting-place speech terminates closely, judge whether speech terminates to adopt the voice messaging in detection speech meeting-place, if speech meeting-place has voice messaging to upload, judge that speech does not terminate, if not, then judge that speech terminates, but it is not limited to this kind of determination methods, difference according to concrete application scenarios can also take additive method, speech is actively abandoned such as speaking party, also it is a kind of decision method. after the meeting-place speech having a say when conference control center judgement present stage terminates, S230 will terminate the right to speak in this meeting-place, right to speak is also distributed to the meeting-place sending right to speak solicited message by S250, after right to speak is assigned, S260 outwards broadcasts with the meeting-place audio and video information being about to obtain the floor. the meeting-place speech having a say when conference control center judgement present stage does not terminate, and S240 is then not responding to meeting-place right to speak request.
As shown in Figure 3, when multiple meeting-place participate in video conference, there is a case in which, S310 has multiple meeting-place to send right to speak solicited message to conference control center simultaneously, when which meeting-place is conference control center cannot judge specifically to distribute to right to speak, S320 conference control center can send information to the meeting-place of request right to speak, and prompting present stage has the request of multiple meeting-place to make a speech simultaneously, if abandon speaking request. This information is until right to speak request is abandoned in multiple request meeting-place successively, remain last meeting-place adhere to ask time, not in prompting, and right to speak is requested assignment to adhere to the meeting-place of request, do not limit and this method, different application scenarios can use diverse ways, as meeting-place partition level is other, when multiple meeting-place are asked simultaneously, speech is asked and is distributed directly to highest-ranking meeting-place. Meanwhile, when right to speak is asked in multiple meeting-place simultaneously, even if the meeting-place speech that present stage has a say is over, conference control center does not terminate the right to speak in this meeting-place yet, to prevent broadcast singal from interrupting. S330 is until can determine that when a certain concrete meeting-place will obtain the floor, and just termination present stage has the meeting-place speech of right to speak.
In video conference, meeting-place is as effector, and individual soldier is as executor, and individual soldier has the obligation that the information of acquisition is uploaded to meeting-place and the obligation of execution meeting-place instruction, thus individual soldier acts only as the role of audience in video conference. But there are some special screnes, need emergency relief as heavily met with special circumstances in execution task, or meeting-place out of touch after, it is necessary to when continuing through video conference commander's action in certain individual soldier. In these scenes, individual soldier needs to obtain the floor. Individual soldier asks right to speak to use under special circumstances, therefore individual soldier needs special right to speak requesting method, concrete grammar is including but not limited to: is provided with right to speak request button on the movable video-audio device that individual soldier carries, sends right to speak request password etc. to conference control center.
As shown in Figure 4, after S410 individual soldier sends right to speak solicited message by movable video-audio device to conference control center. Owing to individual soldier's right to speak only could use under special circumstances, and can not be interrupted in speech process, therefore conference control center is after receiving individual soldier's speaking request. S420 can terminate immediately present stage have right to speak meeting-place speech. No matter whether the speech of this meeting-place terminates S430, all at once terminates. Subsequently right to speak is distributed to the individual soldier of request speech, and the audio and video information gathered by individual soldier's movable video-audio device is by broadcasting, and outwards propagates. S440 conference control center after individual soldier obtains the floor rejects the right to speak solicited message sent by meeting-place, it is to avoid individual soldier's right to speak is interrupted. Individual soldier makes a speech when starting, and the rear end video conference terminal being arranged on meeting-place amplifies the audio and video information of display individual soldier, makes a speech to meeting place prompting individual soldier in this way.
After S450 individual soldier's speech terminates, conference control center terminates individual soldier's right to speak, judge whether speech terminates the method that can adopt the voice messaging of detection speech individual soldier's AV device, if speech individual soldier's AV device has voice messaging to upload, it is determined that speech does not terminate, if not, then judge that speech terminates, but be not limited to this kind of determination methods, additive method can also be taked according to the difference of concrete application scenarios, as made a speech, individual soldier side actively abandons speech, is also a kind of decision method. S460 individual soldier terminates speech, and conference control center receives the right to speak solicited message that meeting-place sends simultaneously, and right to speak is distributed to the meeting-place of request speech according to this solicited message.
In some embodiments, the acquirement of individual soldier's right to speak is directly authorized by conference control center. when performing some secret missions, the individual soldier of execution task does not also know about the content of execution task, illustrate: when individual soldier performs search task, searching target is not informed by higher level department, individual soldier is only apprised of and carries out task when carrying movable video-audio device, now, the image data of searching target with the form of picture by the conference control center that prestores. when individual soldier performs task, the real-time audio-video information of collection is sent to conference control center by movable video-audio device, rear end video conference terminal is being obtained the picture intercepting this audio and video information in process with frame for unit of time by conference control center, and the picture of the picture of intercepting with the target that prestores is processed by image comparison technology, if image comparison is found that when there is the image of the image of task object or approximate target in the audio and video information that gathers of individual soldier, the meeting-place speech that conference control center can be had a say in the terminal reality stage at once, and right to speak is distributed to the movable video-audio device finding that the individual soldier of task object carries, and send information to this individual soldier, tell that he says movable video-audio device alignment task object. the triggering reason of conference control center actively floor grant is not limited to this, illustrate: after calamity during personnel rescuing, the determination of target is not only carried out by image comparison technology, individual soldier is when performing rescue task, carry infrared pick-up device, after audio and video information is transmitted back to conference control center by infrared pick-up device, the infrared image gathered in audio and video information can be processed by conference control center, if finding human body infrared image, then right to speak can be distributed directly to gather individual soldier's infrared pick-up device of corresponding audiovisual materials.
Embodiment 2
As it is shown in figure 5, a kind of backpack individual soldier accesses video conferencing system, including: backpack individual soldier's video conference device 100, conference control center 200 and rear end video conference terminal 300. Wherein, backpack individual soldier's video conference device 100 is used for gathering audio and video information, sends the audio and video information gathered to conference control center, and accepts and play the broadcast message that conference control center sends; Wherein, conference control center 200, for receiving backpack individual soldier's video conference device and the audio and video information of meeting-place transmission, this audio and video information is sent the media playing apparatus to meeting-place, and the audio and video information receiving backpack individual soldier's video conference device and meeting-place transmission is sent out with the forms of broadcasting; Wherein, rear end video conference terminal 300, it is arranged on meeting-place, for being played out by the audio and video information that conference control center sends, and gathers the audio and video information in meeting-place.
In present embodiment, backpack individual soldier's video conference device includes 100: bear support (not shown), wireless signal transceiver, display device, photographic head, earphone and mike, wireless signal transceiver, camera head, earphone and mike described in backpack rack bearing, earphone and mike are connected with camera head respectively, and camera head is connected with wireless signal transceiver. Wherein wireless signal transceiver is particularly as follows: COFDM video transceiver, but is not limited to this, the difference according to application scenarios, it is possible to select other different types of wireless signal transmissions. Wherein, display device is particularly as follows: miniature display screen.
In some embodiments, display device, photographic head, earphone and mike are integrated on a kind of equipment, as with the smart mobile phone of photographic head, earphone and mike, panel computer or laptop computer.
In present embodiment, conference control center includes 200: wireless signal receiver, wireless signal dispensing device, head end video conference terminal and video conference MCU, wireless signal receiver is connected with head end video conference terminal, and wireless signal dispensing device, media playing apparatus, meeting-place AV device are connected with video conference MCU respectively with head end video conference terminal. Specifically, wireless signal receiver is COFDM video receiver, wireless signal dispensing device is high-power COFDM video transmitter, and head end video conference terminal is H.323 HD video conference terminal, the signal transfer of responsible backpack individual soldier and video conference MCU. Video conference MCU is the core of video conferencing system, based on H.323 agreement, is responsible for signaling resolution and media handling and forwarding, including continuous presence and audio mixing, and the distribution of competence of speech.
In present embodiment, rear end video conference terminal includes 300: be arranged on the media player in meeting-place, photographic head and mike, media player can show Multichannel synchronous video information and at least one road voice messaging simultaneously, Multi-path synchronous shows hardware device can be adopted to complete such as split screen display, it also is able to use split screen software, it is achieved in the video information of the multiple different links of same display simultaneous display. Wherein, mike and photographic head, can be portable or fixed according to different application scenarios mikes with photographic head.
In some embodiments, conference control center also includes 200: graphics processing unit, the image data of pre-stored task object in graphics processing unit, the graphics processing unit picture to intercept the audio and video information that individual soldier passes back with frame for unit of time, and the picture of the picture of intercepting with the target that prestores is processed by image comparison technology, image comparison is found that when occurring the image of the image of task object or approximate target in the audio and video information that gathers of individual soldier, be prompted to conference control center by the audio and video information of this individual soldier.
It should be noted that, the description of the present invention and accompanying drawing thereof give the preferred embodiment of the present invention, but, the present invention can be realized by many different forms, it is not limited to the embodiment described by this specification, these embodiments are not as the extra restriction to present invention, it is provided that the purpose of these embodiments is to make the understanding to the disclosure more thorough comprehensively. Further, above-mentioned each technical characteristic continues to be mutually combined, and forms various embodiments not enumerated above, is accordingly to be regarded as the scope that description of the present invention is recorded; Further, for those of ordinary skills, it is possible to improved according to the above description or convert, and all these improve and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a backpack individual soldier accesses video-meeting method, it is characterised in that comprise the following steps:
The audio and video information of scene around the movable video-audio device collection that individual soldier carries, and this video-audio signal is sent out by wireless signal transceiver;
The wireless signal receiver of conference control center receives the wireless signal that multichannel individual soldier's wireless signal dispensing device transmits with meeting-place, and is decoded by multiple wireless signal, and decoded data send to conference control center;
Decoding data are sent the rear end video conference terminal to meeting-place by described conference control center;
Described rear end video conference terminal gathers the audio and video information in meeting-place, and is sent by the audio and video information in meeting-place to conference control center, and the audio and video information in meeting-place is sent to wireless signal dispensing device by described conference control center;
The audio and video information in meeting-place is sent out by the wireless signal dispensing device of described conference control center with the forms of broadcasting;
Individual soldier's wireless signal transceiver in broadcast signal range, receives broadcast singal, and sends to individual soldier the movable video-audio device carried after being decoded by described broadcast singal, and described movable video-audio device plays the video-audio signal in meeting-place.
2. backpack individual soldier accesses video-meeting method according to claim 1, it is characterised in that when described meeting-place has multiple, selects the video-audio signal in a meeting-place to broadcast.
3. backpack individual soldier accesses video-meeting method according to claim 2, it is characterised in that described access video-meeting method also includes: meeting-place right to speak is asked;
The meeting-place needing speech in the plurality of meeting-place sends right to speak solicited message to conference control center, after described control centre receives right to speak solicited message, terminates the competence of speech in former speech meeting-place, by the meeting-place of right to speak distribution to request speech.
The described meeting-place obtained the floor, it will the audio and video information of field is sent out with the forms of broadcasting.
4. backpack individual soldier accesses video-meeting method according to claim 3, it is characterised in that when the plurality of meeting-place is simultaneously to conference control center transmission right to speak solicited message, described conference control center does not terminate the competence of speech in former speech meeting-place;
Described conference control center sends information to the meeting-place of request right to speak, and there is the request speech of multiple meeting-place prompting present stage, please postpone speech.
5. backpack individual soldier accesses video-meeting method according to claim 4, it is characterised in that described access video-meeting method also includes: individual soldier's right to speak is asked;
The movable video-audio device that described individual soldier carries sends right to speak solicited message to conference control center, or is directly authorized by conference control center;
After described control centre receives right to speak solicited message, terminate making a speech the right to speak in meeting-place, by individual soldier's movable video-audio device of right to speak distribution to request speech;
The described individual soldier's movable video-audio device obtained the floor, the audio and video information of individual soldier's movable video-audio device collection is sent out by conference control center with the forms of broadcasting.
6. backpack individual soldier accesses video-meeting method according to claim 5, it is characterised in that carry out, at described individual soldier's movable video-audio device, the right to speak solicited message that in the process made a speech, conference control center refusal meeting-place sends;
After the speech of described individual soldier's movable video-audio device terminates, described conference control center starts to accept the right to speak solicited message that meeting-place sends, and by the meeting-place of right to speak distribution to request speech.
7. backpack individual soldier accesses video-meeting method according to claim 5, it is characterised in that the audio and video information that the AV device made a speech gathers is amplified display by described rear end video conference terminal.
8. a backpack individual soldier accesses video conferencing system, it is characterised in that including:
Backpack individual soldier's video conference device, is used for gathering audio and video information, sends the audio and video information gathered to conference control center, and accepts and play the broadcast message that conference control center sends;
Conference control center, for receiving backpack individual soldier's video conference device and the audio and video information of meeting-place transmission, this audio and video information is sent the media playing apparatus to meeting-place, and the audio and video information receiving backpack individual soldier's video conference device and meeting-place transmission is sent out with the forms of broadcasting;
Rear end video conference terminal, is arranged on meeting-place, for being played out by the audio and video information that conference control center sends, and gathers the audio and video information in meeting-place.
9. backpack individual soldier according to claim 8 accesses video conferencing system, it is characterized in that, described backpack individual soldier's video conference device includes: bear support, wireless signal transceiver, display device, photographic head, earphone and mike, wireless signal transceiver, camera head, earphone and mike described in described backpack rack bearing, described earphone and mike are connected with camera head respectively, and described camera head is connected with wireless signal transceiver.
10. backpack individual soldier according to claim 9 accesses video conferencing system, it is characterized in that, described conference control center includes: wireless signal receiver, wireless signal dispensing device, head end video conference terminal and video conference MCU, described wireless signal receiver is connected with head end video conference terminal, and described wireless signal dispensing device, media playing apparatus, meeting-place AV device are connected with video conference MCU respectively with head end video conference terminal.
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