CN103841361A - Communication method for integrating multiple conference systems under low bandwidth - Google Patents
Communication method for integrating multiple conference systems under low bandwidth Download PDFInfo
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Abstract
The invention relates to a communication method for integrating multiple conference systems under a low bandwidth. A hardware video conference system, a software video conference system, a voice conference system, a video monitoring system and a multi-point control center are adopted in the communication method. The multi-point control center serving as a super user can conduct general control on the conference systems, indicate participant users at will, and then establishes connection and calls audio and video data. A protocol capacity set set in the multi-point control center conducts interaction and uniform processing on the data, and the data output form is matched with the lowest bandwidth suitable for transmitting the data format according to preset priority so that data transmission under the lowest bandwidth can be ensured. Meanwhile, after the conference connection is established, the multi-point control center conducts real-time polling on the conference, not only ensures that the conference can be detected in real time, but also provides the basis for integration under the low bandwidth. The communication method solves the technical problems that the communication systems of the construction industry are independent with one another, the data cannot be communicated, the requirement for the bandwidth is high, deploy cost is high, and compatibility is poor.
Description
Technical field
The invention belongs to communication technique field, be specifically related to integrate under a kind of low bandwidth the means of communication of multiple conference system, especially for the hardware video conference system in building industry, Software Videoconferencing System, speech conference system and job site Active Eyes are incorporated in a multiple spot control centre and concentrate and call and the means of communication of managing under low bandwidth.
Background technology
At present, video conference in building industry communication system, voice conferencing, the meeting of high definition double fluid, the every technology of job site remote monitoring video are very ripe through development for many years, domestic existing a large amount of application case, but, the at present separate application of above-mentioned many cover systems, data cannot intercommunication, and high to bandwidth requirement, lower deployment cost is large, and poor compatibility cannot meet the requirement of large enterprise to the application of video-signal system multipurpose.
Summary of the invention
The object of the invention is to, for above-mentioned deficiency, and then the means of communication of integrating multiple conference system under a kind of low bandwidth are provided, it can integrate above-mentioned hardware video conference system, Software Videoconferencing System, speech conference system and job site Active Eyes to be applied in multiple spot control centre and concentrate and call and manage under low bandwidth.
For achieving the above object, the invention provides the means of communication of integrating multiple conference system under a kind of low bandwidth, its technical scheme is: the means of communication of integrating multiple conference system under a kind of low bandwidth, comprise the multiple conference system of conference participation and the multiple spot control centre 5 that as power user, various conference participation systems is carried out master control in its means of communication, multiple conference system comprises hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3 and video monitoring system 4, wherein:
Hardware video conference system 1 contains: hardware video Conference server 11 and hardware video conference terminal 12, connect by IP network 6 between the two;
The implementation procedure of integrating the means of communication of multiple conference system under described a kind of low bandwidth is divided into four steps:
Steps A: while holding a meeting, pass through multiple spot control centre 5 and set up meeting template, specify other conference systems of conference participation;
Step B: multiple spot control centre 5 passes through IP network 6 and sends and attend a meeting instruction control data and set up meeting connection to other conference systems of conference participation, and multiple spot control centre 5 automatically opens the meeting connecting is carried out to dynamic real time polling immediately;
Step C: the local audio video data transmitting collecting is given multiple spot control centre 5 by other conference systems of receiving the instruction control data of attending a meeting, after multiple spot control centre 5 audio-visual data that identification is uploaded automatically according to judging pointer trigger command, and then point to the protocol capability collection corresponding with sending audio-visual data source conference system built-in in multiple spot control centre 5, by protocol capability collection fill order, data are carried out alternately, unified to process;
Step D: multiple spot control centre 5 sets in advance the audio-visual data of handling priority output order by multiple spot control centre 5 is carried out data output, select to be transferred to each conference system of attending a meeting after a kind of data format that can realize meeting intercommunication under lowest-bandwidth, complete the integration of multiple conference system.
Further, described protocol capability collection comprises: hardware video conference system protocol module, Software Videoconferencing System protocol module, speech conference system protocol module and video monitoring system protocol module;
H.323 hardware video conference system protocol module includes agreement, H.263 agreement, H.264 agreement and agreement H.239;
Software Videoconferencing System protocol module includes H.263 agreement, H.264 agreement and Session Initiation Protocol;
G.711 speech conference system protocol module includes agreement, G.723 agreement and agreement G.729;
H.263 video monitoring system protocol module includes agreement, H.264 agreement, H.282 agreement, H.283 agreement, agreement H.331.
Further, first described priority output order for ensureing it is with audio signal smoothness optimum, secondly the fluency of vision signal, being finally other data characteristics such as image sharpness, saturation, brightness, wherein there are 5 kinds for the way of output of vision signal, be respectively QCIF form, CIF form, VGA form, 720P form and 1080P form, under the condition that meets audio signal, select to be adapted to the corresponding video form under lowest-bandwidth.
Further, other conference systems in the described means of communication are in Software Videoconferencing System, hardware video conference system, speech conference system or video monitoring system one, several or whole.
Further, the described means of communication are that multiple spot control centre 5 specify hardware video conference terminals 12, Software Video Conference System terminal 22, voice terminal 32 and watch-dog 42 are set up the implementation procedure of meeting, and its specific implementation process is divided into seven steps:
Steps A
1: while holding a meeting, pass through multiple spot control centre 5 and set up meeting template, specify the hardware video conference terminal 12 of conference participation, Software Video Conference System terminal 22, voice terminal 32 and watch-dog 42;
Step B
1: multiple spot control centre 5 passes through IP network 6 and sends to the voice IP gateway 31 in the hardware video Conference server 11 in the hardware video meeting 1 of conference participation, Software Video Conference System server 21, speech conference system 3 in Software Video Conference System 2, the monitor supervision platform 41 in video monitoring system 4 the instruction control data of attending a meeting;
Step C
1: hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 pass through hardware video conference terminal 12, Software Video Conference System terminal 22, the voice terminal 32 of IP network under 6 to its and forward to attend a meeting instruction control data and set up meeting with watch-dog 42 and is connected, immediately multiple spot control centre 5 automatically unlatching the meeting connecting is implemented to dynamic real time polling;
Step D
1: the audio-visual data of this locality collection collecting is sent to corresponding hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 by hardware video conference terminal 12, Software Video Conference System terminal 22, voice terminal 32 and the watch-dog 42 of receiving the instruction control data of attending a meeting, and wherein watch-dog 42 employings push away packet mode and give monitor supervision platform 41 by the video data transmitting of this locality collection;
Step e
1: hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 upload to multiple spot control centre 5 by the audio-visual data of receiving again, after multiple spot control centre 5 audio-visual data that identification is uploaded automatically according to judging pointer trigger command, and then point to the Software Videoconferencing System protocol module corresponding with sending audio-visual data source conference system built-in in multiple spot control centre 5, speech conference system protocol module and video monitoring system protocol module, by corresponding protocol module fill order, data are carried out alternately, unified processing,
Step F
1: multiple spot control centre 5 sets in advance the audio-visual data of handling priority output order by multiple spot control centre 5 is carried out data output, selects to be transferred in the videoconference server that needs to show after a kind of data format that can realize meeting intercommunication under lowest-bandwidth;
Step G
1: need the videoconference server showing to receive that the audio-visual data of handling sends to corresponding terminal, terminal is called its decoder to use, above-mentioned audio-visual data is decoded, this audio-visual data is changed into standard code stream, for checking, thereby complete the integration of multiple conference system.
Further, in described multiple spot control centre 5, built-in realization agreement H.239 can realize the connection of double-current video conference.
Further, the described means of communication also can realize the cloud recorded broadcast of Software Videoconferencing System, the realization of described cloud recorded broadcast need to be in Software Video Conference System terminal 22, Software Video Conference System server 21 and multiple spot control centre 5 built-in cloud recorded broadcast program; The realization of cloud recorded broadcast can be divided into two kinds of modes: a kind of is to call built-in cloud recorded broadcast program at local software video conference terminal 22 to open local recorded broadcast, the another kind of mode audio-visual data that to be multiple spot control centre 5 upload to multiple spot control centre 5 by each system of conference participation is called its built-in cloud recorded broadcast program and is carried out recorded broadcast, then the audio-visual data after recorded broadcast is transferred to the terminal of the video conferencing system that need to watch.
Beneficial effect of the present invention: the multiple spot control centre in (1) the present invention is as power user, can carry out master control to each conference system, after arbitrarily specifying the user that attends a meeting, connect and transfer audio-visual data, and carry out the processing of data by its built-in protocol capability collection, and mate with the priority output data mode arranging the lowest-bandwidth that adapts to transmission data format, setting up after meeting connection simultaneously, multiple spot control centre is to meeting real time polling, not only ensure that multiple spot control can detect meeting situation in real time, and provide the foundation for the integration of multiple conference system under low bandwidth, therefore, multiple spot control centre is the kernel entity of the whole means of communication,
(2) current, the network insertion of job site, because restricted by environment and fee condition, does not generally possess fixed ip address, mostly is ADSL, partial wideband and 3G and gets online without being tethered to a cable, as use traditional packet mode of drawing, due to reasons such as the unsteadiness of network, signal often interrupts, and therefore the supervisory control system in the present invention is for adapting to building industry present situation, employing pushes away packet mode and carries out transfer of data, can reduce network insertion cost, promote the practicality of supervisory control system, lower deployment cost reduces greatly;
(3) Software Videoconferencing System in the present invention is applicable to multiple mainstream operation system: WINDOWS, IOS, ANDRIOD, can on PC, mobile phone, ipad, panel computer, realize HD video meeting and monitoring far call and control; Under the United Dispatching of multiple spot control centre, mobile terminal video signal at the construction field (site) also can become an important supplement of supervisory control system simultaneously, realizes the remote transmission function of mobile monitor image and thin portion monitoring image;
(4) classification of multiple spot control centre, classification video conference concurrent function, can customize various template to adapt to holding of different bandwidth, difference in functionality meeting, can realize the classification of meeting, adapt to the demand of building enterprise's differentiated control, and can realize the concurrent of multiple meetings, improve the service efficiency of platform;
(5) low (access bandwidth 1M, just can realize HD video meeting to the system lower deployment cost of these means of communication; Job site monitoring image only needs 2M, just can realize the CIF form transmission of 8 road images); It is simple to operate that (under United Dispatching pattern, hardware terminal only needs networking, the login of only need networking of software conference terminal; Both can point to point call under free schema, also can multi-user enter virtual conference room and use the meeting of voice-activated one-tenth); Extensibility strong (this multiple spot control centre is used 12 road terminal concurrences at present, and during to 50M, the scalable Zhi48 of platform road is concurrent in bandwidth upgrading).
Brief description of the drawings
Fig. 1 is the composition system configuration schematic diagram of integrating the means of communication of multiple conference system under a kind of low bandwidth of the present invention;
Fig. 2 is the implementation procedure schematic diagram of integrating the means of communication of hardware video conference system, Software Videoconferencing System, speech conference system and video monitoring system under a kind of low bandwidth of the present invention;
Fig. 3 is that multiple spot control centre specify hardware video conference terminal, Software Video Conference System terminal, voice terminal and the watch-dog that the present invention relates to are set up the implementation procedure schematic diagram of meeting.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is further described, will describe better step of the present invention and the process of realizing in conjunction with the drawings to the detailed description of the each building block of system.Be noted that described example is only considered as the object of explanation, instead of limitation of the present invention.
Under low bandwidth as a kind of in Fig. 1 the present invention, integrate as shown in the composition system configuration schematic diagram of the means of communication of multiple conference system, as the kernel entity of integrating multiple conference system, in Fig. 1, have: hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3, video monitoring system 4, multiple spot control centre 5 be connected above-mentioned each conference system, video monitoring system and multiple spot control centre for control data transmission and mutual IP network 6, wherein, multiple spot control centre 5 is as hardware video conference system 1, Software Videoconferencing System 2, the mster-control centre of speech conference system 3 and video monitoring system 4, i.e. power user, can be to the hardware video conference system 1 of conference participation, Software Videoconferencing System 2, speech conference system 3, in video monitoring system 4 one, attend a meeting instruction connecting of several or whole transmissions, each system of receiving the instruction of attending a meeting is by network to multiple spot control centre 5 transferring voices/vision signal, and multiple spot control centre processes above-mentioned signal, forward and show, thereby realizing in multiple spot control centre 5 times hardware video conference system 1, Software Videoconferencing System 2, effectively integrating of speech conference system 3 and video monitoring system 4.
General technical principle of the present invention
As shown in Figure 1, as the kernel entity of integrating multiple conference system, in Fig. 1, have: hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3, video monitoring system 4, multiple spot control centre 5 and be connected above-mentioned each conference system, video monitoring system and multiple spot control centre for control data transmission and mutual IP network 6, wherein:
Hardware video conference system 1 contains: hardware video Conference server 11 and hardware video conference terminal 12, hardware video Conference server 11 is connected with IP network respectively with hardware video conference terminal 12, wherein hardware video conference terminal 12 can adopt many, embodiment is the first hardware video conference terminal 121, the second hardware video conference terminals 122 ... n terminal 12n, n=1,2,3,4 ...Wherein hardware video Conference server 11 and hardware video conference terminal 12 are all hardware devices, and hardware video conference terminal 12 has Audio and Video input, output interface.
Multiple spot control centre 5 is as power user, it is the kernel entity of integrating multiple conference system, there is powerful data processing, forwarding, storage capacity and good extended capability, can be fully according to the customized relevant components of user's request, specifically, at the built-in protocol capability collection of realizing correlation function of multiple spot control centre 5, protocol capability collection described here is the protocol module of realizing correlation function.
In the present embodiment, as the kernel entity of integrating multiple conference system, the built-in protocol capability collection of multiple spot control centre 5 includes: hardware video conference system protocol module, Software Videoconferencing System protocol module, speech conference system protocol module and video monitoring system protocol module.
H.323 hardware video conference system protocol module includes agreement, H.263 agreement, H.264 agreement and agreement H.239;
Software Videoconferencing System protocol module includes H.263 agreement, H.264 agreement and Session Initiation Protocol;
G.711 speech conference system protocol module includes agreement, G.723 agreement and agreement G.729;
H.263 video monitoring system protocol module includes agreement, H.264 agreement, H.282 agreement, H.283 agreement, agreement H.331.
The function structure of hardware video conference system 1
Described hardware video Conference server 11 is responsible for three or more hardware video conference terminals 12 and participates in a multipoint conference service, and it also can connect two hardware video conference terminal terminals 12 and form point-to-point meeting.
The implementation procedure of hardware video conference system 1
The independent mode using of hardware video conference system 1 has two kinds:
1, point-to-point meeting; For example first terminal 121 of any station terminal passes through IP network 6 and sends the request of setting up meeting with for example the second terminal 122 of another station terminal to hardware video Conference server 11, after requested terminal 122 is accepted, first terminal 121 and the second terminal 122 are set up meeting, and transmit video/audio signal and reception the other side's video/audio signal by hardware video Conference server 11.
2, multipoint conference; Many station terminals 12 are set up meeting, every station terminal 12 directly sends to hardware video Conference server 11 request of attending a meeting by IP network 6, in hardware video Conference server 11, default request is from answer-mode, the many station terminals 12 that send request can be set up multipoint conference at once, and transmit video/audio signal and other side's of reception video/audio signal by hardware video Conference server 11.Meeting picture shows in the mode of voice-activated, hardware video Conference server 11 by real-time judge conference speech (audio signal) from which station terminal 12, just by the video/audio signal of this terminal 12 output display on other attends a meeting each terminal 12.
The implementation procedure of the function structure of the implementation procedure of the function structure of Software Videoconferencing System 2 and Software Videoconferencing System 2 and hardware video conference system 1 and hardware video conference system 1 is similar.
The function structure of the function structure of speech conference system 3 and hardware video conference system 1 is similar.
The implementation procedure of speech conference system 3
Set up point-to-point meeting in view of two voice terminals and there is no practical significance, general normal speech meeting is all set up with multipoint system.In voice IP gateway 31, set many group virtual speech meeting rooms, for the telephone number of every group of virtual speech meeting room adding language voice terminal 32, while setting up meeting, open this group voice conferencing chamber, the all voice terminals 32 in this group meeting room are attended a meeting, and transmit and received audio signal by voice IP gateway 31.
The function structure of the function structure of video monitoring system 4 and hardware video conference system 1 is similar.
The implementation procedure of video monitoring system 4
The independent use of video monitoring system, on a computer under project construction scene and the same network segment of DVR, install and push transmitting software, the vision signal of watch-dog 42 is given to the monitor supervision platform 41 with public network address by network 6 real-time Transmission, conventional method is to draw packet mode to obtain the vision signal of watch-dog by monitor supervision platform, be subject to unstable networks, the restriction of the conditions such as IP address is unfixing, consolidate example and take the lead in using pushing-type transmission means, only need monitor supervision platform to there is the inner internal memory that adds of fixed ip address and its and possess video data buffer area, ensure the stability of signal.Monitor supervision platform 41 provides monitor video to check service, at arbitrary computer of the Internet, monitoring is installed and checks software, and logging in can long-range checking monitoring video.
The function structure of multiple spot control centre 5
Multiple spot control centre 5 is as power user, be responsible for the unified control and management to multiple conference systems, can be according to the scope that system equipment management quantity and operating function need to be set of user right, the identification, processing, forwarding, storage setting and the Image Mosaics that comprise the signal to multiple conference system show setting, also comprise setting up after meeting connection, to each System Implementation autopolling setting and the priority setting to output data of conference participation.
The data identification of multiple spot control centre 5 to multiple conference system: multiple spot control centre 5 is as power user, can transfer the audio/video data of hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3 and video monitoring conference system 4, upload to the audio/video data of multiple spot control centre 5 by IP network, can carry out data identification by its built-in data identification program, thereby judge the audio/video data of uploading is from which conference system, and then according to judging pointer trigger command.
Data processing and the forwarding of multiple spot control centre 5 to multiple conference system: multiple spot control centre 5 puts the protocol capability collection of realizing conferencing function therein, protocol capability collection described here is to have the protocol module one to one with hardware video conference system, Software Videoconferencing System, speech conference system, supervisory control system four systems with treatment mechanism.
After pointer trigger command, point to the protocol module corresponding with sending data source conference system, by protocol module fill order, data are carried out alternately, unified to process.After these data of being handled by multiple spot control centre 5, be transferred to each conference system by IP network.
The data storing of multiple spot control centre 5 to multiple conference system: multiple spot control centre 5 can be forwarded to video/audio data on the equipment that can store, can be own own, can be also the equipment with memory function.
Multiple spot control centre 5 shows and arranges data Image Mosaics: multiple spot control centre 5 can arrange how split screen shows to the video/audio data of handling.
Multiple spot control centre 5 is to setting up on the basis of meeting connection, implement the dynamic real time polling of specific time interval, taking every 10s as a unit, each conference system to conference participation carries out poll, on this basis, multiple spot control centre 5 carries out data output to the data of handling according to the priority orders arranging, and to meet the data communication under lowest-bandwidth, integrates multiple conference system thereby realize under lowest-bandwidth.
The priority orders that multiple spot control centre 5 arranges be first ensure it is with audio signal smoothness optimum, secondly the fluency of vision signal, be finally other data characteristics such as image sharpness, saturation, brightness.There are 5 kinds for the way of output of vision signal, are respectively QCIF form, CIF form, VGA form, 720P form and 1080P form, under the condition that meets audio signal, select to be adapted to the corresponding video form under lowest-bandwidth.
The integration of hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3 and video monitoring system 4
Multiple spot control centre 5 is as power user, can be to the hardware video conference system 1 of conference participation, Software Videoconferencing System 2, speech conference system 3 and video monitoring system 4 are carried out master control, receive the hardware video conference system 1 of the instruction control of attending a meeting, Software Videoconferencing System 2, in speech conference system 3 and video monitoring system 4 one, after several or whole, setting up meeting connects, multiple spot control centre 5 opens dynamic real time polling automatically immediately, each system of attending a meeting is carried out to real time polling, this real time polling mechanism, not only ensure that multiple spot control can detect meeting situation in real time, and provide the foundation for the integration of multiple conference system under low bandwidth, on this basis, each system of conference participation sends audio/video data to multiple spot control centre 5, because the built-in identification data program of its multiple spot control centre 5 is by the audio/video data of uploading automatically after identification, judge pointer trigger command, process by its corresponding audio/video data of multiple standards protocol capability set pair that multiple spot control centre 5 is built-in, the output data priority order that the audio/video data of handling arranges by multiple spot control centre 5 is carried out data output, thereby ensure the integration to multiple conference systems under low bandwidth.
Technology realizes
As shown in Figure 2, under a kind of low bandwidth of the present invention, integrate the means of communication of multiple conference system, comprise the multiple conference system of conference participation and the multiple spot control centre 5 that as power user, various conference participation systems is carried out master control in its means of communication, multiple conference system comprises hardware video conference system 1, Software Videoconferencing System 2, speech conference system 3 and video monitoring system 4, wherein:
Hardware video conference system 1 contains: hardware video Conference server 11 and hardware video conference terminal 12, connect by IP network 6 between the two;
Under a kind of low bandwidth of the present invention, integrate the means of communication of multiple conference system, the implementation procedure of its means of communication is divided into four steps:
Steps A: while holding a meeting, pass through multiple spot control centre 5 and set up meeting template, specify other conference systems of conference participation;
Step B: multiple spot control centre 5 passes through IP network 6 and sends and attend a meeting instruction control data and set up meeting connection to other conference systems of conference participation, and multiple spot control centre 5 automatically opens the meeting connecting is carried out to dynamic real time polling immediately;
Step C: the local audio video data transmitting collecting is given multiple spot control centre 5 by other conference systems of receiving the instruction control data of attending a meeting, after multiple spot control centre 5 audio-visual data that identification is uploaded automatically according to judging pointer trigger command, and then point to the protocol capability collection corresponding with sending audio-visual data source conference system built-in in multiple spot control centre 5, by protocol capability collection fill order, data are carried out alternately, unified to process;
Step D: multiple spot control centre 5 sets in advance the audio-visual data of handling priority output order by multiple spot control centre 5 is carried out data output, select to be transferred to the conference system (this example is hardware video conference system) that need to show after a kind of data format that can realize meeting intercommunication under lowest-bandwidth, complete the integration of multiple conference system.
Wherein, described protocol capability collection comprises: hardware video conference system protocol module, Software Videoconferencing System protocol module, speech conference system protocol module and video monitoring system protocol module;
H.323 hardware video conference system protocol module includes agreement, H.263 agreement, H.264 agreement and agreement H.239;
Software Videoconferencing System protocol module includes H.263 agreement, H.264 agreement and Session Initiation Protocol;
G.711 speech conference system protocol module includes agreement, G.723 agreement and agreement G.729;
H.263 video monitoring system protocol module includes agreement, H.264 agreement, H.282 agreement, H.283 agreement, agreement H.331.
Wherein, first described priority output order for ensureing it is with audio signal smoothness optimum, secondly the fluency of vision signal, being finally other data characteristics such as image sharpness, saturation, brightness, wherein there are 5 kinds for the way of output of vision signal, be respectively QCIF form, CIF form, VGA form, 720P form and 1080P form, under the condition that meets audio signal, select to be adapted to the corresponding video form under lowest-bandwidth.
Wherein, other conference systems in the above-mentioned means of communication are in Software Videoconferencing System, hardware video conference system, speech conference system or video monitoring system one, several or whole.
That is to say, the means of communication involved in the present invention can be transferred arbitrarily in hardware video conference system, Software Videoconferencing System, speech conference system or video monitoring system one, several or whole by multiple spot control centre 5, are specifically divided into 14 classes below:
Multiple spot control centre 5 transfers hardware video conference system, Software Videoconferencing System, speech conference system and video monitoring system and sets up meeting and be connected;
Multiple spot control centre 5 transfers hardware video conference system, Software Videoconferencing System and speech conference system and sets up meeting and be connected;
Multiple spot control centre 5 transfers hardware video conference system, Software Videoconferencing System and video monitoring system and sets up meeting and be connected;
Multiple spot control centre 5 transfers Software Videoconferencing System, speech conference system and video monitoring system and sets up meeting and be connected;
Multiple spot control centre 5 transfers hardware video conference system and sets up meeting with Software Videoconferencing System and be connected;
Multiple spot control centre 5 transfers hardware video conference system and sets up meeting with video monitoring system and be connected;
Multiple spot control centre 5 transfers hardware video conference system and sets up meeting with speech conference system and be connected;
Multiple spot control centre 5 transfers Software Videoconferencing System and sets up meeting with speech conference system and be connected;
Multiple spot control centre 5 transfers Software Videoconferencing System and sets up meeting with video monitoring system and be connected;
Multiple spot control centre 5 transfers speech conference system and sets up meeting with video monitoring system and be connected;
Multiple spot control centre 5 transfers hardware video conference system and sets up conference system;
Multiple spot control centre 5 transfers Software Videoconferencing System and sets up conference system;
Multiple spot control centre 5 transfers speech conference system and sets up conference system;
Multiple spot control centre 5 transfers video monitoring system and sets up conference system.
Example 1: multiple spot control centre specify hardware video conference terminal, Software Video Conference System terminal, voice terminal and the watch-dog the present invention relates to as Fig. 3 set up as shown in the implementation procedure schematic diagram of meeting, and its specific implementation process is divided into seven steps:
Steps A
1: while holding a meeting, pass through multiple spot control centre 5 and set up meeting template, specify the hardware video conference terminal 12 of conference participation, Software Video Conference System terminal 22, voice terminal 32 and watch-dog 42;
Step B
1: multiple spot control centre 5 passes through IP network 6 and sends to the voice IP gateway 31 in the hardware video Conference server 11 in the hardware video meeting 1 of conference participation, Software Video Conference System server 21, speech conference system 3 in Software Video Conference System 2, the monitor supervision platform 41 in video monitoring system 4 the instruction control data of attending a meeting;
Step C
1: hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 pass through hardware video conference terminal 12, Software Video Conference System terminal 22, the voice terminal 32 of IP network under 6 to its and forward to attend a meeting instruction control data and set up meeting with watch-dog 42 and is connected, immediately multiple spot control centre 5 automatically unlatching the meeting connecting is implemented to dynamic real time polling;
Step D
1: the audio-visual data of this locality collection collecting is sent to corresponding hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 by hardware video conference terminal 12, Software Video Conference System terminal 22, voice terminal 32 and the watch-dog 42 of receiving the instruction control data of attending a meeting, and wherein watch-dog 42 employings push away packet mode and give monitor supervision platform 41 by the video data transmitting of this locality collection;
Step e
1: hardware video Conference server 11, Software Video Conference System server 21, voice IP gateway 31 and monitor supervision platform 41 upload to multiple spot control centre 5 by the audio-visual data of receiving again, after multiple spot control centre 5 audio-visual data that identification is uploaded automatically according to judging pointer trigger command, and then point to the Software Videoconferencing System protocol module corresponding with sending audio-visual data source conference system built-in in multiple spot control centre 5, speech conference system protocol module and video monitoring system protocol module, by corresponding protocol module fill order, data are carried out alternately, unified processing,
Step F
1: multiple spot control centre 5 sets in advance the audio-visual data of handling priority output order by multiple spot control centre 5 is carried out data output, selecting to be transferred in the videoconference server that needs to show after a kind of data format that can realize meeting intercommunication under lowest-bandwidth, is the hardware video Conference server 11 in hardware video conference system 1 in this example;
Step G
1: need the videoconference server (this example is hardware video Conference server 11) showing to receive that the audio-visual data of handling sends to corresponding terminal (this example is hardware video conference terminal 12), terminal is called its decoder to use, above-mentioned audio-visual data is decoded, this audio-visual data is changed into standard code stream, for checking, thereby complete the integration of multiple conference system.
Other 13 classes in the means of communication of the present invention are set up the method that meeting connects, passing through multiple spot control centre designated software video conference terminal, voice terminal and watch-dog with hardware video conference terminal, to set up the implementation procedure of meeting similar, here not in narration one by one.
It is to be noted: multiple spot control centre 5 transfers hardware video conference system and video monitoring system and sets up method that meeting is connected and multiple spot control centre 5 and transfer Software Videoconferencing System and video monitoring system and set up meeting method of attachment and formed the basis that can realize double-current video conference, therefore need to be in multiple spot control centre 5 built-in realization agreement H.239.
Under a kind of low bandwidth of the present invention, integrate the means of communication of multiple conference system, also can realize the cloud recorded broadcast (Streaming Media screenshotss recording function) of Software Videoconferencing System, the realization of described cloud recorded broadcast need to be in Software Video Conference System terminal 22, Software Video Conference System server 21 and multiple spot control centre 5 built-in cloud recorded broadcast program.
The realization of cloud recorded broadcast can be divided into two kinds of modes: a kind of is to call built-in cloud recorded broadcast program at local software video conference terminal 22 to open local recorded broadcast, the another kind of mode audio-visual data that to be multiple spot control centre 5 upload to multiple spot control centre 5 by each system of conference participation is called its built-in cloud recorded broadcast program and is carried out recorded broadcast, then the audio-visual data after recorded broadcast is transferred to the terminal of the video conferencing system that need to watch.
Claims (7)
1. under a low bandwidth, integrate the means of communication of multiple conference system, it is characterized in that: comprise the multiple conference system of conference participation and the multiple spot control centre (5) that as power user, various conference participation systems is carried out master control in its means of communication, multiple conference system comprises hardware video conference system (1), Software Videoconferencing System (2), speech conference system (3) and video monitoring system (4), wherein:
Hardware video conference system (1) contains: hardware video Conference server (11) and hardware video conference terminal (12), connect by IP network (6) between the two;
Software Videoconferencing System (2) contains: Software Video Conference System server (21) and Software Video Conference System terminal (22); Connect by IP network (6) between the two;
Speech conference system (3) contains: voice IP gateway (31) and voice terminal (32); Connect by IP network (6) between the two;
Video monitoring system (4) contains: video monitoring platform (41) and watch-dog (42), connect by IP network (6) between the two;
The implementation procedure of integrating the means of communication of multiple conference system under described a kind of low bandwidth is divided into four steps:
Steps A: while holding a meeting, set up meeting template by multiple spot control centre (5), specify other conference systems of conference participation;
Step B: multiple spot control centre (5) sends to attend a meeting instruction control data and set up meeting to other conference systems of conference participation by IP network (6) and connects, and multiple spot control centre (5) automatically opens the meeting connecting is carried out to dynamic real time polling immediately;
Step C: the local audio video data transmitting collecting is given multiple spot control centre (5) by other conference systems of receiving the instruction control data of attending a meeting, after multiple spot control centre (5) audio-visual data that automatically identification is uploaded according to judging pointer trigger command, and then point to the protocol capability collection corresponding with sending audio-visual data source conference system built-in in multiple spot control centre (5), by protocol capability collection fill order, data are carried out alternately, unified to process;
Step D: multiple spot control centre (5) sets in advance the audio-visual data of handling priority output order by multiple spot control centre (5) is carried out data output, select to be transferred to the conference system that needs demonstration after a kind of data format that can realize meeting intercommunication under lowest-bandwidth, complete the integration of multiple conference system.
2. the means of communication of integrating multiple conference system under a kind of low bandwidth according to claim 1, is characterized in that: described protocol capability collection comprises: hardware video conference system protocol module, Software Videoconferencing System protocol module, speech conference system protocol module and video monitoring system protocol module;
H.323 hardware video conference system protocol module includes agreement, H.263 agreement, H.264 agreement and agreement H.239;
Software Videoconferencing System protocol module includes H.263 agreement, H.264 agreement and Session Initiation Protocol;
G.711 speech conference system protocol module includes agreement, G.723 agreement and agreement G.729;
H.263 video monitoring system protocol module includes agreement, H.264 agreement, H.282 agreement, H.283 agreement, agreement H.331.
3. under a kind of low bandwidth according to claim 1, integrate the means of communication of multiple conference system, it is characterized in that: first described priority output order for ensureing it is with audio signal smoothness optimum, secondly the fluency of vision signal, being finally other data characteristics such as image sharpness, saturation, brightness, wherein there are 5 kinds for the way of output of vision signal, be respectively QCIF form, CIF form, VGA form, 720P form and 1080P form, under the condition that meets audio signal, select to be adapted to the corresponding video form under lowest-bandwidth.
4. according to the means of communication of integrating multiple conference system under a kind of low bandwidth described in any one in claim 1-3, it is characterized in that: other conference systems in the described means of communication are in Software Videoconferencing System, hardware video conference system, speech conference system or video monitoring system one, several or whole.
5. under a kind of low bandwidth according to claim 4, integrate the means of communication of multiple conference system, it is characterized in that: the described means of communication are that multiple spot control centre (5) specify hardware video conference terminal (12), Software Video Conference System terminal (22), voice terminal (32) and watch-dog (42) are set up the implementation procedure of meeting, and its specific implementation process is divided into seven steps:
Steps A
1: while holding a meeting, set up meeting template by multiple spot control centre (5), specify the hardware video conference terminal (12) of conference participation, Software Video Conference System terminal (22), voice terminal (32) and watch-dog (42);
Step B
1: multiple spot control centre (5) sends to the voice IP gateway (31) in the hardware video Conference server (11) in the hardware video meeting (1) of conference participation, Software Video Conference System server (21), speech conference system (3) in Software Video Conference System (2), the monitor supervision platform (41) in video monitoring system (4) the instruction control data of attending a meeting by IP network (6);
Step C
1: hardware video Conference server (11), Software Video Conference System server (21), voice IP gateway (31) and monitor supervision platform (41) forward to attend a meeting instruction control data and set up meeting to hardware video conference terminal (12), Software Video Conference System terminal (22), voice terminal (32) and watch-dog (42) under it by IP network (6) and are connected, and multiple spot control centre (5) automatically opens the meeting connecting is implemented to dynamic real time polling immediately;
Step D
1: the audio-visual data of this locality collection collecting is sent to corresponding hardware video Conference server (11), Software Video Conference System server (21), voice IP gateway (31) and monitor supervision platform (41) by hardware video conference terminal (12), Software Video Conference System terminal (22), voice terminal (32) and the watch-dog (42) of receiving the instruction control data of attending a meeting, and wherein watch-dog (42) employing pushes away packet mode and gives monitor supervision platform (41) by the video data transmitting of this locality collection;
Step e
1: hardware video Conference server (11), Software Video Conference System server (21), voice IP gateway (31) and monitor supervision platform (41) upload to the audio-visual data of receiving multiple spot control centre (5) again, after multiple spot control centre (5) audio-visual data that automatically identification is uploaded according to judging pointer trigger command, and then point to the Software Videoconferencing System protocol module corresponding with sending audio-visual data source conference system built-in in multiple spot control centre (5), speech conference system protocol module and video monitoring system protocol module, by corresponding protocol module fill order, data are carried out alternately, unified processing,
Step F
1: multiple spot control centre (5) sets in advance the audio-visual data of handling priority output order by multiple spot control centre (5) is carried out data output, selects to be transferred in the videoconference server that needs to show after a kind of data format that can realize meeting intercommunication under lowest-bandwidth;
Step G
1: need the videoconference server showing to receive that the audio-visual data of handling sends to corresponding terminal, terminal is called its corresponding decoder, above-mentioned audio-visual data is decoded, this audio-visual data is changed into standard code stream, for checking, thereby complete the integration of multiple conference system.
6. the means of communication of integrating multiple conference system under a kind of low bandwidth according to claim 1, is characterized in that: in described multiple spot control centre (5), built-in realization agreement H.239 can realize the connection of double-current video conference.
7. under a kind of low bandwidth according to claim 1, integrate the means of communication of multiple conference system, it is characterized in that: the described means of communication also can realize the cloud recorded broadcast of Software Videoconferencing System, the realization of described cloud recorded broadcast need to be in Software Video Conference System terminal (22), Software Video Conference System server (21) and multiple spot control centre (5) built-in cloud recorded broadcast program; The realization of cloud recorded broadcast can be divided into two kinds of modes: one is to call built-in cloud recorded broadcast program at local software video conference terminal (22) to open local recorded broadcast, the another kind of mode audio-visual data that to be multiple spot control centre (5) upload to multiple spot control centre (5) by each system of conference participation is called its built-in cloud recorded broadcast program and is carried out recorded broadcast, then the audio-visual data after recorded broadcast is transferred to the terminal of the video conferencing system that need to watch.
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