CN105933132A - Video conferencing system intelligent control key technology - Google Patents
Video conferencing system intelligent control key technology Download PDFInfo
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- CN105933132A CN105933132A CN201610550595.7A CN201610550595A CN105933132A CN 105933132 A CN105933132 A CN 105933132A CN 201610550595 A CN201610550595 A CN 201610550595A CN 105933132 A CN105933132 A CN 105933132A
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- venue
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- intelligent control
- broadcast unit
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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
- H04N7/152—Multipoint control units therefor
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention provides a video conferencing system intelligent control key technology. Over 30 years, along with the development of video and audio coding technology and transmission technology, the video coding technology is more standardized and develops in the interaction direction of clearer image and clearer sound at a lower bandwidth, and by means of the coding technology, the intelligent control of the video conferencing system intelligent control key technology is realized, and the key technology has good application prospects.
Description
Technical field
The present invention relates to information transmission and terminal plays and control field, particularly relate to TV conference system intelligence
Key technology can be manipulated.
Background technology
From the angle of technology, video conferencing system product about experienced by for four generations: the first generation is simulation
Video conferencing system, the second filial generation is based on Circuit-switched digital video meeting system, the third generation be based on
The digital video meeting system of packet switch.Forth generation is the most greatly developing open
Network digital multimedia conference system.But it is very long just because of the development of technology and more than 20 year
Commercial history, has gone out one difficult problem urgently to be resolved hurrily for us: how realize " the aged,middle aged person and young man are few " for video council
The seamless fusion of conference system, breaks away from a rush manual operation, it is achieved " machine substitution " strategy, real
The cross complaint that interconnects that existing intelligent brief list is platform-type.
Continuous renewal along with communication technology and application product thereof is regenerated, and computer networking technology
Development, video conferencing system by polynary for the multimedia messages such as data, figure, image, audio frequency integrated after,
With the interactivity of computer, communicate distributivity and multimedia real-time perfection fits together.Therefore, depending on
Frequently conference system is to integrate digital video decoding technology, communication network technology and computer technology to enter
The high-tech Multimedia Fusion system of row real-time Transmission, is to provide the user many matchmakers such as two-way interaction audio frequency and video
The integrated information platform of body exchange.
Video conferencing system links together two or more multimedia conference terminals in strange land of getting along, real
Time transmission image, voice and various data file.The real-time of video conferencing system, interactivity, efficiently
Property and economy make it the bright spot of all trades and professions extensive concern, and at national grid and all kinds of emergent
Command centre obtains extensively application.Due to the reason of history, the reason of technology progress, respectively mostly depending on
Frequently the differentiation of conference system manufacturing enterprise technical standard, and the disappearance of industry standard, and each manufacturer
Existing protocol (as H.323) is understood differently cause or agreement itself mandatory not, each manufacturer assisting
View has different implementation in realizing, thus causes the product of each manufacturer to be difficult to the cross complaint (three that interconnects
Mutually), to video conferencing, this ensures that manipulation personnel cause very big inconvenience in meeting safeguard work for this.
Workload is loaded down with trivial details and complicated, and overall lifting for whole video conferencing system quality is individual no small
Hinder.
Summary of the invention
For above-mentioned defect of the prior art, it is an object of the invention to provide TV conference system intelligence behaviour
Control key technology.Thus solve existing problem.
For problem, we have proposed " concept of Intelligent control "
1) gather and analyze the control signal order of the equipment such as MCU, television wall server, mainly comprise taboo
Sound, speech, the broadcast of video signal point, the training in rotation switching etc. of video signal；
2) analysis video meeting various meeting pattern and requirement.Comprise Guo Wang company Executive Council, integrally
Change meeting, company of province Zhou Chenhui, monthly safety in production meeting, monthly meeting etc.；
3) the Intelligent control technology studied, needs to meet company of province and holds various TV conference system intelligence
The switching of key technology picture and the requirement of display time can be manipulated, reduce support personnel's operating steps, will be big
Part needs the task of manually repeating manipulation to give computer execution.
In order to achieve the above object, the present invention provides following technical scheme:
TV conference system Intelligent control key technology, including: switch controller, each sub-venue process and
Broadcast unit；
Described each sub-venue processes and broadcast unit reports sub-venue user to described switch controller
Log-on message；
Described switch controller judges whether described sub-venue user login information prestores with local data base
User profile match, the most then permit this sub-venue and process and broadcast unit accesses, if it is not, then
Under each sub-venue, pass mistake declare information；
Described switch controller processes and the sequence number of broadcast unit according to described each sub-venue, and this locality prestores
Each sub-venue process and unit call inventory, to described each sub-venue process and broadcast unit adjust
With and play.
In a kind of detailed description of the invention of the present invention, each sub-venue processes and broadcast unit includes: report
Unit, reception unit and broadcast unit.
In a kind of detailed description of the invention of the present invention, described broadcast unit includes: audio playing unit and
Video playback unit.
In a kind of detailed description of the invention of the present invention, described switch controller is unified to be received and manages each
The login of sub-venue and speaking request, can allow speech or refuse the speech application of certain meeting-place, simultaneously will refusal
Reason returns to each sub-venue and processes and on the speech application device screen of broadcast unit.
In a kind of detailed description of the invention of the present invention, described switch controller can force each sub-venue to process
And one or more in broadcast unit make a speech.
In a kind of detailed description of the invention of the present invention, described switch controller broadcasts certain can field picture, screen
Cover certain meeting-place participate in meeting, arrange arbitrary can place receive certain road image.
In a kind of detailed description of the invention of the present invention, at the side of described lid, described switch controller
Described each sub-venue is processed and broadcast unit one or more issues grabgraf pattern.
In a kind of detailed description of the invention of the present invention, described each sub-venue processes and broadcast unit is at each
This meeting place name of superposition and state on the video pictures of meeting-place；
In a kind of detailed description of the invention of the present invention, described each sub-venue processes and broadcast unit is by string
Mouth controls each speech application device, The Cloud Terrace, and serial ports numbering needs to arrange.
In a kind of detailed description of the invention of the present invention, described each sub-venue processes and broadcast unit is by regarding
Frequently capture card display analog image, supports Haikang or big Hua Deng tetra-road or eight road capture cards；Pass through network side
Formula gathers digital picture and decodes display.
In a kind of embodiment of the present invention, the material of described bag and bag mouth set is nonwoven cloth material.
The present invention the system having the beneficial effect that in the present invention have a following features:
1, intelligent acquisition analyze the control signal order of the equipment such as MCU, television wall server, mainly wraps
Containing prohibiting sound, speech, the broadcast of video signal point, the poll switching etc. of video signal；
2, video conference various meeting pattern and requirement are met.Comprise Guo Wang company Executive Council, integrally
Change meeting, company of province Zhou Chenhui, monthly safety in production meeting, monthly meeting etc.；
3, meet company of province and hold the switching of various video conferencing system picture and the requirement of display time, subtract
Few support personnel's operating steps, needs major part the task of manually repeating manipulation to give computer intelligence and holds
OK.
Detailed description of the invention
Below in conjunction with technical scheme be clearly and completely described, it is clear that described embodiment
It is only a part of embodiment of the present invention rather than whole embodiments.Based on the enforcement in the present invention
Example, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
TV conference system Intelligent control key technology, including: switch controller, each sub-venue process and
Broadcast unit；
Described each sub-venue processes and broadcast unit reports sub-venue user to described switch controller
Log-on message；
Described switch controller judges whether described sub-venue user login information prestores with local data base
User profile match, the most then permit this sub-venue and process and broadcast unit accesses, if it is not, then
Under each sub-venue, pass mistake declare information；
Described switch controller processes and the sequence number of broadcast unit according to described each sub-venue, and this locality prestores
Each sub-venue process and unit call inventory, to described each sub-venue process and broadcast unit adjust
With and play.
In a kind of detailed description of the invention of the present invention, each sub-venue processes and broadcast unit includes: report
Unit, reception unit and broadcast unit.
In a kind of detailed description of the invention of the present invention, described broadcast unit includes: audio playing unit and
Video playback unit.
In a kind of detailed description of the invention of the present invention, described switch controller is unified to be received and manages each
The login of sub-venue and speaking request, can allow speech or refuse the speech application of certain meeting-place, simultaneously will refusal
Reason returns to each sub-venue and processes and on the speech application device screen of broadcast unit.
In a kind of detailed description of the invention of the present invention, described switch controller can force each sub-venue to process
And one or more in broadcast unit make a speech.
In a kind of detailed description of the invention of the present invention, described switch controller broadcasts certain can field picture, screen
Cover certain meeting-place participate in meeting, arrange arbitrary can place receive certain road image.
In a kind of detailed description of the invention of the present invention, at the side of described lid, described switch controller
Described each sub-venue is processed and broadcast unit one or more issues grabgraf pattern.
In a kind of detailed description of the invention of the present invention, described each sub-venue processes and broadcast unit is at each
This meeting place name of superposition and state on the video pictures of meeting-place；
In a kind of detailed description of the invention of the present invention, described each sub-venue processes and broadcast unit is by string
Mouth controls each speech application device, The Cloud Terrace, and serial ports numbering needs to arrange.
Native system " Jiangsu electric power video conference system Intelligent control service system V10.16 " mainly for
Current video conferencing system operating steps is too much, numerous and diverse, the situation of easy error, and a set of of design can be to meeting
View scheduling of resource, video pictures control the tasks such as switching, display time, transfer sequence, switching time and enter
The system of row Intelligent control, it is ensured that all kinds of switching control actions are all precisely completed by computer, really real
Existing " machine substitution " strategy, reduces the workload of meeting support personnel to greatest extent and can be effectively improved
The stability of video conferencing system and safety, experience to the meeting of participant's simple and fast.
This system utilization is as follows:
1, the equipment such as video conferencing system MCU, television wall server is carried out centralized intelligence manipulation.Realize
Conferencing resource scheduling, video pictures are controlled switching, show that time, transfer sequence, switching time etc. appoint
Business carries out Intelligent control, is all precisely completed by computer, it is achieved " machine substitution " intelligent manipulation plan
Slightly.
2, by Intelligent control service system, serve daily video conferencing system safeguard work, reduce
The workload of support personnel, the mistake manipulation of minimizing manipulation personnel, be effectively improved video conferencing system guarantee
Stability and safety.
3, when free discussion type Meeting Held, it is analyzed processing to the voice of terminal of attending a meeting, when sending out
During raw cacophonia (such as uttering long and high-pitched sounds), system is automatically taked silence processing and ALC, thus is ensured meeting
Normally hold.Up to now, video conferencing system audio frequency effect is the most unsatisfactory, and especially volume is neglected
Big the least, extremely utter long and high-pitched sounds, make the whole structure of video conference be greatly affected.Participant leader thirsts for logical
Cross technological innovation and develop a set of intelligent audio automatic controlling device, make current video conferencing system audio frequency effect
The problem of difference is solved at all.Mention video conference, although what first people were reflected is image, but
Sound can not be ignored in its application process equally.A set of perfect video conferencing system is sound and image
Perfect adaptation, i.e. " make the best of both worlds ".
During meeting is carried out, receiving far-end sound too small, excessive or suddenly big or suddenly small, or extremely utter long and high-pitched sounds, this is just
Need to provide intelligentized ALC auto level control equipment.
ALC, i.e. auto level control.Can follow the tracks of at any time, monitor the audio signal that preamplifier exports
Level, when input signal increases, alc circuit reduces the gain of amplifier automatically；When input signal subtracts
Hour, alc circuit is automatically increased the gain of amplifier, so that signal keeps
At optimizing level.
Along with the development of digital signal processor (DSP), using DSP to carry out gain control becomes main flow.
DSP implementation method has the advantages such as program transportability row is strong, processing speed is fast, it is possible to solve complicated algorithm
Design and meet the requirement of real-time of system, be used widely in many fields.On the basis of DSP
Audio signal is done ALC algorithm process can make output level keep within the specific limits, it is possible to solution is never
With the problem such as program source audio frequency is unbalanced, fundamentally avoid meeting-place Audio squealing.
Four, video conferencing system Intelligent control service system technical characterstic:
1, intelligent acquisition analyze the control signal order of the equipment such as MCU, television wall server, mainly wraps
Containing prohibiting sound, speech, the broadcast of video signal point, the poll switching etc. of video signal；
2, video conference various meeting pattern and requirement are met.Comprise Guo Wang company Executive Council, integrally
Change meeting, company of province Zhou Chenhui, monthly safety in production meeting, monthly meeting etc.；
3, meet company of province and hold the switching of various video conferencing system picture and the requirement of display time, subtract
Few support personnel's operating steps, needs major part the task of manually repeating manipulation to give computer intelligence and holds
OK.
A, system UI design
User operation and viewing are directly perceived for convenience, are left and right view to system UI Preliminary design.
It is sub-venue list on the left of system, shows logging status and the floor status of each sub-venue.Place pin
Login and speech to sub-venue operate each button.System right side area is video viewing area, aobvious
Show each sub-venue present image and the currently received image of each sub-venue.Right button can be passed through simultaneously
Menu carries out the operation in each meeting-place.
B, system function design
1, unified login and the speaking request received and manage each sub-venue, can allow speech or
Refuse the speech application of certain meeting-place, reason for rejection is returned to the speech application device screen of sub-venue simultaneously
On curtain；
2, can force to specify certain sub-venue to make a speech；
3, can broadcast certain can field picture, shield certain meeting-place participate in meeting, arrange arbitrary can place receive certain road
Image；
4, point-to-point conference model can be carried out in optional two meeting-place；
5, meeting-place, arbitrary road video can be carried out grabgraf preservation；
6, the video camera in remote controlled arbitrary meeting-place, control protocol supports Sony, Pelco-D/P.
7, display current system CPU usage；
8, this meeting place name of superposition and state on each meeting-place video pictures；
9, controlling each speech application device, The Cloud Terrace by serial ports, serial ports numbering needs to arrange；
10, show analog image by video frequency collection card, support that Haikang or big Hua Deng tetra-road or eight tunnels gather
Card；Gather digital picture by network mode and decode display；
11, by the parameter of serial port setting ALC equipment, it is thus achieved that optimum auditory effect；
C, system structure design
1, during system start-up, being acquired the initialization of card in FormCreate event, success is initial
The collection carrying out video after change shows；
2, stable for the use of system, use serial server to expand serial ports, use serial server
The virtual real serial ports pattern of TCP；
3, intercept the data receiving state of each serial ports connecting speech application device, thus process login and send out
Every business event such as speech application；
4, using matrix to distribute the video of each sub-venue unitedly, the function in shielding meeting-place directly passes through square
Matrix ring returns and can realize.
Video conferencing system (VCS) from yesterday to today, the commercial course passed by more than 20 year, depend on
It is so vigorous sustaining its quality through age.Video conferencing system from simulation move towards digital, from general move towards clearly SD,
Move towards high definition, tomorrow from SD again and also can move towards super clear from high definition！
Under the background of the integration of three networks, video conferencing system will gradually be made the transition to syncretization by specialization, more
Many conference terminals more they tend to merge.Along with the development of mobile Internet and popularizing of mobile broadband, enterprise
Employee's own mobile device (smart mobile phone, panel computer) at one's side gets more and more, and defines stable
Use habit, they are highly desirable can use the own equipment oneself being familiar with the most at any time, with L.Lucidus Turcz.
Add video conference.On the one hand, the most both can be with raising efficiency, reduction entreprise cost；On the other hand also can
Significantly reducing enterprise energy consumption, enterprise manages comprehensive benefit.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should described be as the criterion with scope of the claims.
Claims (10)
1. TV conference system Intelligent control key technology, including: switch controller, each sub-venue process and broadcast unit；
Described each sub-venue processes and broadcast unit reports sub-venue user login information to described switch controller；
Described switch controller judges that the user profile whether described sub-venue user login information prestores with local data base matches, the most then permit this sub-venue and process and broadcast unit accesses, if it is not, then pass mistake under each sub-venue to declare information；
Described switch controller processes and the sequence number of broadcast unit according to described each sub-venue, and each sub-venue of prestoring of this locality processes and unit call inventory, described each sub-venue is processed and broadcast unit calls and plays.
TV conference system Intelligent control key technology the most according to claim 1, it is characterised in that each sub-venue processes and broadcast unit includes: report unit, receive unit and broadcast unit.
TV conference system Intelligent control key technology the most according to claim 2, it is characterised in that described broadcast unit includes: audio playing unit and video playback unit.
TV conference system Intelligent control key technology the most according to claim 3, it is characterized in that, unified login and the speaking request received and manage each sub-venue of described switch controller, speech can be allowed or refuse the speech application of certain meeting-place, reason for rejection being returned to each sub-venue simultaneously and processes and on the speech application device screen of broadcast unit.
TV conference system Intelligent control key technology the most according to claim 1, it is characterised in that it is characterized in that, described switch controller can force each sub-venue to process and one or more making a speech in broadcast unit.
TV conference system Intelligent control key technology the most according to claim 5, it is characterised in that described switch controller broadcast certain can field picture, shield certain meeting-place participate in meeting, arrange arbitrary can place receive certain road image.
TV conference system Intelligent control key technology the most according to claim 5, it is characterised in that at the side of described lid, described each sub-venue is processed by described switch controller and one or more in broadcast unit issue grabgraf pattern.
TV conference system Intelligent control key technology the most according to claim 1 or 5, it is characterised in that described each sub-venue processes and broadcast unit this meeting place name of superposition and state on each meeting-place video pictures.
TV conference system Intelligent control key technology the most according to claim 1 or 5, it is characterised in that described each sub-venue processes and broadcast unit controls each speech application device, The Cloud Terrace by serial ports, and serial ports numbering needs to arrange.
The most according to claim 1 or 5, TV conference system Intelligent control key technology, it is characterised in that described each sub-venue processes and broadcast unit shows analog image by video frequency collection card, support Haikang or big Hua Deng tetra-road or eight road capture cards；Gather digital picture by network mode and decode display.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107360391A (en) * | 2017-08-14 | 2017-11-17 | 苏州马尔萨斯文化传媒有限公司 | A kind of intelligent shielding method and its system based on video conference |
| CN110430385A (en) * | 2019-07-01 | 2019-11-08 | 视联动力信息技术股份有限公司 | Video conference processing method, device and storage medium |
| CN111614934A (en) * | 2020-04-28 | 2020-09-01 | 深圳奇迹智慧网络有限公司 | Video conference monitoring method and device, computer equipment and storage medium |
| CN111970475A (en) * | 2020-08-28 | 2020-11-20 | 深圳市融讯视通科技有限公司 | Seamless switching method and system for dedicated line main MCU and standby MCU |
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| CN111970475A (en) * | 2020-08-28 | 2020-11-20 | 深圳市融讯视通科技有限公司 | Seamless switching method and system for dedicated line main MCU and standby MCU |
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