CN105704422B - A kind of video conference group network system and its method - Google Patents
A kind of video conference group network system and its method Download PDFInfo
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- CN105704422B CN105704422B CN201610179751.3A CN201610179751A CN105704422B CN 105704422 B CN105704422 B CN 105704422B CN 201610179751 A CN201610179751 A CN 201610179751A CN 105704422 B CN105704422 B CN 105704422B
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- 230000000737 periodic effect Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
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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
- 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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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of video conference group network system and its method, which includes: monitor supervision platform, and the monitor supervision platform is connect with active system and back-up system respectively；The active system includes primary terminal, and the back-up system includes standby terminal；The primary terminal is connect with primary interchanger, and the primary interchanger is connect with audio frequency control computer, and the primary interchanger is connect with tone control；The standby terminal is connect with backup switch, and the backup switch is connect with control device, and the control device is connect by control line with tone control.The present invention solves the security risk of interchanger single device operation, improves the reliability of system.
Description
Technical field
The present invention relates to a kind of video conference group network system and its methods.
Background technique
Video conference business is two way traffic between a kind of multiple spot.Video conference is realized by modern electronic technology
A kind of real time remote communication mode, can the signals such as simultaneous transmission sound, image, the meeting that effect is held close to scene.In reality
In the application of border, each endpoint of video conferencing system is generally all distributed in the computer room or meeting room of diverse geographic location, logical each other
It crosses network and carries out real time communication, guarantee normally holding for video conference.When in system some endpoint because in geological disaster or network
The reasons such as disconnected or equipment fault and when leading to the endpoint cisco unity malfunction, the normal operation of the video conferencing system can be produced
It is raw to influence.
The core equipment of video conference is video conference terminal, and video conference networking at present generally uses standby usage terminal same
When the method for operation, all devices access an interchanger, and when there is situations such as restarting, power down exception, then primary terminal is in
Unprotected state, when primary terminal can not work normally, then all video conferences held in the primary terminal will stop.It is all
Although the mode that equipment accesses an interchanger solves the problems, such as the operation of video conference terminal single device, but do not solve
The operation of interchanger single device and audio frequency apparatus the problem of being controlled only with network signal, after exchange fault, video conference
It will interrupt, audio frequency apparatus also will be unable to control, and meeting reliability of operation and continuous operation can not ensure.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, provides a kind of video conference group network system and its method, it
It is run with solving interchanger single device, and when the heartbeat message between monitor supervision platform and active system is detected and interrupted,
Monitor supervision platform establishes the request that periodic heartbeat message detects to back-up system transmission to establish periodic heartbeat message inspection
It surveys, improves the reliability of system.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of video conference group network system, including monitor supervision platform, the monitor supervision platform respectively with active system and spare system
System connection；The active system includes primary terminal, and the back-up system includes standby terminal；The primary terminal and primary friendship
It changes planes connection, the primary interchanger is connect with audio frequency control computer, and the primary interchanger is connect with tone control；It is described
Standby terminal is connect with backup switch, and the backup switch is connect with control device, and the control device and audio are adjusted
Device connection；
The heartbeat message of the monitor supervision platform and active system hold period detects, when monitor supervision platform and active system it
Between heartbeat message detect when interrupting, monitor supervision platform sends the request establishing periodic heartbeat message and detecting to back-up system,
Back-up system receives and respond request, and periodic heartbeat message detection is established between monitor supervision platform and back-up system；
While back-up system receives simultaneously respond request, keep real-time information same between back-up system and active system
Step.
The monitor supervision platform passes through audio-video cable with active system and back-up system and connect.
Pass through twisted pair line connection between the primary terminal and primary interchanger.
Pass through twisted pair line connection between the primary interchanger and audio frequency control computer.
Pass through twisted pair line connection between the primary interchanger and tone control.
Pass through twisted pair line connection between the backup switch and control device.
The control device is connect by control line with tone control, and the control line is the control line of DB9 serial port.
The monitor supervision platform includes monitor and monitor speaker.
The primary terminal is used to carry out encoding and decoding to audio-video signal.
The primary interchanger is responsible for the transmission exchange of active system network signal.
The tone control is for being adjusted output volume.
The control device is for controlling tone control and carrying out signal switching.
The backup switch is responsible for the transmission exchange of back-up system network signal.
The standby terminal is used to carry out encoding and decoding to audio-video signal.
The audio frequency control computer is for controlling tone control.
A kind of working method of video conference group network system, comprising:
Step (1): when normally holding a meeting, primary terminal audio-video output signal is switched in meeting-place；
Step (2): being adjusted tone control using audio frequency control computer, guarantees meeting-place sound in setting range
It is interior；
Step (3): it is detected according to the periodic heartbeat messages between monitor supervision platform and active system, judges that active system is
No failure, if so, monitor supervision platform sends the request establishing periodic heartbeat message and detecting, back-up system to back-up system
Simultaneously respond request is received, periodic heartbeat message detection is established between monitor supervision platform and back-up system；Otherwise, active system after
Continuous work；While back-up system receives simultaneously respond request, keep real-time information same between back-up system and active system
Step.
The working method of video conference group network system further includes the sound and figure for monitoring meeting-place in real time by monitor supervision platform
Picture.
The beneficial effects of the present invention are:
(1) the invention discloses a kind of new video conference networking mode, active and standby two interchangers are used in the method, and
Standby usage audio & video equipment is tapped on two interchangers, control device and audio frequency control computer are respectively connected to two interchangers
On, control device is connected with tone control by serial ports control line, when primary interchanger breaks down, can be put into rapidly standby
With terminal, tone control can be controlled by Serial Port Line using control device, guarantee that video conference can continue to carry out；
(2) state of monitor supervision platform real-time detection active system and back-up system of the present invention, in monitor supervision platform and primary system
When heartbeat message between system detects interruption, monitor supervision platform sends to back-up system and establishes asking for periodic heartbeat message detection
It asks to establish periodic heartbeat message detection, it is ensured that control device and audio frequency control computer are constantly in guard mode, improve
The reliability of system.
Detailed description of the invention
Fig. 1 is system architecture diagram of the invention；
Fig. 2 is flow chart of the method for the present invention；
Wherein, 1, monitor supervision platform, 2, primary terminal, 3, standby terminal, 4, primary interchanger, 5, backup switch, 6, sound
Frequency adjuster, 7, control device, 8, audio frequency control computer, 9, control line.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of video conference group network system, comprising: monitor supervision platform 1, the monitor supervision platform 1 respectively with it is primary
System is connected with back-up system；Active system includes primary terminal 2, and the back-up system includes standby terminal 3；
Primary terminal 2 is connect with primary interchanger 4, and the primary interchanger 4 is connect with audio frequency control computer 8, the master
It is connect with interchanger 4 with tone control 6；
Standby terminal 3 is connect with backup switch 5, and the backup switch 5 is connect with control device 7, and the middle control is set
Standby 7 are connect by control line 9 with tone control 6；
The heartbeat message of monitor supervision platform 1 and active system hold period detects, when between monitor supervision platform 1 and active system
Heartbeat message detect when interrupting, monitor supervision platform 1 sends the request establishing periodic heartbeat message and detecting to back-up system, standby
Simultaneously respond request is received with system, periodic heartbeat message detection is established between monitor supervision platform 1 and back-up system.
Wherein, heartbeat message is the message that a kind of transmission source is sent to recipient.In general, heartbeat message starts from transmission source
When start to send, until transmission source close, during which transmission source can continual sending cycle or repetition message.When recipient exists
Some does not receive message in the message sink period, recipient may think that transmission source has been switched off, breaks down, or current
It is unavailable.Heartbeat message is used for the purpose of high availability or fault-tolerant processing.
The method of periodic heartbeat message detection are as follows: send mutually and shake hands between the both sides being detected in predetermined period
Message and handshake response message.By the detection, monitor supervision platform can monitor the working condition of primary terminal in real time, once it is main
It is broken down with terminal, then monitor supervision platform is switched to standby terminal mode at once, and the primary terminal to break down is currently held
The meeting process of load is all taken over, thus ensure meeting process will not due to primary terminal failure and be affected.Also, it is
It realizes that standby terminal can smoothly take over the meeting process of primary terminal, also maintains reality between primary terminal and standby terminal
When synchronizing information, to guarantee that standby terminal can accurately preserve the newest conferencing information of primary terminal and resource status,
It is thus possible to enable standby terminal adapter tube meeting process immediately when primary terminal breaks down.
The working principle of monitor supervision platform be using a host equipment, using the detection of periodic heartbeat message method into
Whether the network connectivty of row real-time testing monitor supervision platform and interchanger, the working condition to check interchanger are normal.Work as monitoring
When platform can not receive the reply of interchanger, it may infer that interchanger breaks down.
Wherein, primary terminal and standby terminal all refer to video conference terminal, and primary terminal and standby terminal are used to pair
Audio-video signal carries out encoding and decoding.Primary terminal and standby terminal are responsible for carrying out local audio-video signal into code conversion being network
It is exported after data, and the far-end network data received is decoded as audio-video signal output.
Primary interchanger is responsible for the transmission exchange of active system network signal.
Tone control is for being adjusted output volume.
Control device is for controlling tone control and carrying out signal switching.
Backup switch is responsible for the transmission exchange of back-up system network signal.
Audio frequency control computer is for controlling tone control.
Monitor supervision platform includes monitor and monitor speaker.
A kind of working method of video conference group network system, includes the following steps:
Step (1): when normally holding a meeting, primary terminal audio-video output signal is switched in meeting-place；
Step (2): being adjusted tone control using audio frequency control computer, guarantees meeting-place sound in setting range
It is interior；
Step (3): it is detected according to the periodic heartbeat messages between monitor supervision platform and active system, judges that active system is
No failure, if so, monitor supervision platform sends the request establishing periodic heartbeat message and detecting, back-up system to back-up system
Simultaneously respond request is received, periodic heartbeat message detection is established between monitor supervision platform and back-up system；Otherwise, active system after
Continuous work；
While back-up system receives simultaneously respond request, keep real-time information same between back-up system and active system
Step.
A kind of working method of video conference group network system, further include by monitor supervision platform monitor in real time meeting-place sound and
Image.
Specifically, as shown in Fig. 2, primary terminal audio-video output signal is switched to meeting-place when normally holding a meeting
In；Tone control is adjusted using audio frequency control computer, guarantees meeting-place sound within the set range；Pass through monitor supervision platform
Monitor the sound and image in meeting-place in real time；It is shown according to monitor supervision platform image, judges whether primary terminal breaks down, if so,
Then standby terminal audio-video output signal is switched in meeting-place using control device, while passing through serial ports control using control device
Tone control is adjusted in line processed, guarantees meeting-place sound within the set range；Otherwise, it goes to and is indicated according to primary interchanger
Lamp state, judges whether primary interchanger breaks down.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of video conference group network system, characterized in that include: monitor supervision platform, the monitor supervision platform respectively with active system
It is connected with back-up system；The active system includes primary terminal, and the back-up system includes standby terminal；The primary terminal
It is connect with primary interchanger, the primary interchanger is connect with audio frequency control computer, the primary interchanger and tone control
Connection；The standby terminal is connect with backup switch, and the backup switch is connect with control device, the control device with
Tone control connection；
The heartbeat message of the monitor supervision platform and active system hold period detects, when between monitor supervision platform and active system
When heartbeat message detection is interrupted, monitor supervision platform sends the request establishing periodic heartbeat message and detecting to back-up system, spare
System receives and respond request, and periodic heartbeat message detection is established between monitor supervision platform and back-up system；
While back-up system receives simultaneously respond request, real-time synchronizing information is kept between back-up system and active system；
When normally holding a meeting, primary terminal audio-video output signal is switched in meeting-place；Utilize audio frequency control computer pair
Tone control is adjusted, and guarantees meeting-place sound within the set range；By monitor supervision platform monitor in real time meeting-place sound and
Image；It is shown according to monitor supervision platform image, judges whether primary terminal breaks down,
If primary terminal breaks down, standby terminal audio-video output signal is switched in meeting-place using control device, together
Shi Liyong control device is adjusted by serial ports control pair tone control, guarantees meeting-place sound within the set range；
If primary terminal does not break down, according to primary interchanger LED status, judge whether primary interchanger event occurs
Barrier；
If primary interchanger breaks down, standby terminal audio-video output signal is switched in meeting-place using control device,
It is adjusted simultaneously using control device by serial ports control pair tone control, guarantees meeting-place sound within the set range；
If primary interchanger does not break down, the sound and image in monitor supervision platform real time monitoring meeting-place are continued through.
2. a kind of video conference group network system as described in claim 1, characterized in that the monitor supervision platform and active system and
Back-up system passes through audio-video cable and connects.
3. a kind of video conference group network system as described in claim 1, characterized in that the primary terminal and primary interchanger
Between pass through twisted pair line connection.
4. a kind of video conference group network system as described in claim 1, characterized in that the primary interchanger and audio frequency control
Pass through twisted pair line connection between computer.
5. a kind of video conference group network system as described in claim 1, characterized in that the primary interchanger and audio are adjusted
Pass through twisted pair line connection between device.
6. a kind of video conference group network system as described in claim 1, characterized in that the backup switch and control device
Between pass through twisted pair line connection.
7. a kind of video conference group network system as described in claim 1, characterized in that the control device by control line with
Tone control connection, the control line are the control line of DB9 serial port.
8. a kind of video conference group network system as described in claim 1, characterized in that the monitor supervision platform include monitor and
Monitor speaker.
9. a kind of working method of the video conference group network system as described in above-mentioned any claim, characterized in that include:
Step (1): when normally holding a meeting, primary terminal audio-video output signal is switched in meeting-place；
Step (2): being adjusted tone control using audio frequency control computer, guarantees meeting-place sound within the set range；
Step (3): it is detected according to the periodic heartbeat messages between monitor supervision platform and active system, judges whether active system goes out
Existing failure, if so, monitor supervision platform sends the request establishing periodic heartbeat message and detecting to back-up system, back-up system is received
And respond request, periodic heartbeat message detection is established between monitor supervision platform and back-up system；Otherwise, active system continues work
Make；
While back-up system receives simultaneously respond request, real-time synchronizing information is kept between back-up system and active system；
When normally holding a meeting, primary terminal audio-video output signal is switched in meeting-place；Utilize audio frequency control computer pair
Tone control is adjusted, and guarantees meeting-place sound within the set range；By monitor supervision platform monitor in real time meeting-place sound and
Image；It is shown according to monitor supervision platform image, judges whether primary terminal breaks down,
If primary terminal breaks down, standby terminal audio-video output signal is switched in meeting-place using control device, together
Shi Liyong control device is adjusted by serial ports control pair tone control, guarantees meeting-place sound within the set range；
If primary terminal does not break down, according to primary interchanger LED status, judge whether primary interchanger event occurs
Barrier；
If primary interchanger breaks down, standby terminal audio-video output signal is switched in meeting-place using control device,
It is adjusted simultaneously using control device by serial ports control pair tone control, guarantees meeting-place sound within the set range；
If primary interchanger does not break down, the sound and image in monitor supervision platform real time monitoring meeting-place are continued through.
10. the working method of video conference group network system as claimed in claim 9, characterized in that further include flat by monitoring
The sound and image in platform real time monitoring meeting-place.
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| CN101170674A (en) * | 2007-11-23 | 2008-04-30 | 中兴通讯股份有限公司 | Method for realizing multi-node control unit backup |
| CN101631011B (en) * | 2008-07-16 | 2012-09-05 | 中国科学院声学研究所 | Hotspare method and system suitable for device for processing and forwarding IP media stream in real time |
| CN101510991B (en) * | 2009-04-03 | 2010-09-29 | 杭州华三通信技术有限公司 | Method, system and multi-point control unit for implementing port thermal backup of video signal conference |
| CN101646057B (en) * | 2009-09-07 | 2012-08-08 | 华为终端有限公司 | Remote-presence conference control device, method and remote-presence conference system |
| JP5327917B2 (en) * | 2012-02-27 | 2013-10-30 | Ｎｅｃインフロンティア株式会社 | Electronic conference system, bandwidth management method, and bandwidth management program |
| CN104639867B (en) * | 2013-11-14 | 2019-09-27 | 南京中兴软件有限责任公司 | A kind of video conference restoration methods and system |
| CN104853139A (en) * | 2015-05-14 | 2015-08-19 | 国家电网公司 | Video conferencing system for municipal power supply company |
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Inventor after: Zheng Guangning Inventor after: Sun Xiaojun Inventor after: Li Zonghao Inventor after: Wei Yongjing Inventor after: Tan Ani Inventor after: Liu Hongyan Inventor after: Sun Lili Inventor after: Zhu Linan Inventor after: Hua Kan Inventor after: Chen Tingsen Inventor after: Yang Chao Inventor before: Zheng Guangning Inventor before: Sun Xiaojun Inventor before: Li Zonghao Inventor before: Wei Yongjing Inventor before: Tan Ani Inventor before: Liu Hongyan Inventor before: Sun Lili Inventor before: Zhu Linan Inventor before: Hua Kan Inventor before: Chen Yansen Inventor before: Yang Chao |
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