CN201742493U - Ipav digital conference management system - Google Patents
Ipav digital conference management system Download PDFInfo
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- CN201742493U CN201742493U CN 201020130233 CN201020130233U CN201742493U CN 201742493 U CN201742493 U CN 201742493U CN 201020130233 CN201020130233 CN 201020130233 CN 201020130233 U CN201020130233 U CN 201020130233U CN 201742493 U CN201742493 U CN 201742493U
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Abstract
The utility model provides an IPAV digital conference management system comprising a signal acquisition unit, a centralized control server and a terminal display unit, wherein the signal acquisition unit outputs an audio signal and a video signal, the centralized control server receives and processes the audio signal and the video signal, and outputs a real-time code stream, and the terminal display unit is connected with the centralized control server, and broadcasts and displays the real-time code stream transmitted by the centralized control server. The IPAV digital conference management system can conduct integrated synchronous recording, live broadcasting and broadcasting on demand of video and audio signals in a conference, and computer dynamic screen signals, and realize presentation of meeting training documents and materials, live web casting of the conference, digital storage and networked broadcasting on demand of meeting documents, remote networked conference, and real-time acquisition of conference contents. The scheme can be widely used in various meeting places, and has the characteristics of fewer occupied resources, good image quality and real-time property, and the like.
Description
Technical field
The utility model relates to a kind of IPAV digital session management system.
Background technology
Whole meetings and activities is to be the center with the meeting presiding people, upper strata leader, middle-ranking officials and employee's fellowship, the interactivity discussion activity of carrying out around one or more Session Topics.For the ease of carrying out smoothly of meeting work, be that the basic calculating machine technology of core is applied in conference system gradually with network and PC computer.Yet, these are used and also only limit to on-the-spot information input and some basic primary application such as control at present, based on computer networking technology, with the digitlization audio frequency and video is that the current multimedia technology of core does not also obtain rationally utilizing fully, and convenience that current multimedia technology is brought and fail safe are not fully played in meeting.
In traditional conference system, various multimedia messagess (comprising the video-with-audio recording of computer documents, collection in worksite, the acquired signal of various evidences etc.) are to disperse relatively, be unfavorable for management such as integrated application and preservation, these information generally also can only be at the scene by artificial management with call and be applied.Waste time and energy very much.
Modern conference system has also proposed the requirement of the variation of long-range realization information and information synchronization under network condition, simultaneously quality of information requirement, diversity and real-time are all had higher requirement, need realize unitized management in interface and control the software and hardware of whole conference system framework.These require the restriction that is subjected to technical conditions in the past to finish.
The utility model content
The purpose of this utility model be set up a kind of can the Comprehensive Control collection, transmission, demonstration, the multiple audio-video signal of storage administration and carry out the meeting management system that high-quality transmits in real time by network, thereby improve meeting efficient and meeting quality, really realize the digitlization and the networking of meeting.
For reaching above-mentioned purpose, the utility model proposes a kind of IPAV digital session management system, comprising: signal gathering unit, centralized control server and terminal diaplay unit.Signal gathering unit output audio signal and vision signal; The centralized control server receives and handles above-mentioned audio signal and vision signal, exports real-time code stream; Terminal diaplay unit connects above-mentioned centralized control server, and the real-time code stream that the centralized control server transmits is play and shown.
In the utility model, wherein the centralized control server comprises digital signal processor, audio coding unit, image splicing coding unit, synchronous decoding unit, serial line interface, network controller, network interface and voice-activated module.The input of audio coding unit and image splicing coding unit receives above-mentioned audio signal and vision signal respectively, and the output of audio coding unit and image splicing coding unit is connected to digital signal processor.Audio coding unit cooperates with the voice-activated module finishes audio frequency output.Digital signal processor compresses processing synchronously to above-mentioned audio coding and video coding, the transmission of multimedia streams that the digital signal processor compression obtains is to the synchronous decoding unit, the real-time code stream that the synchronous decoding unit decodes obtains is handled the back by image splicing coding unit and is exported from video output, network interface connects above-mentioned digital signal processor by network controller, finish the network output of audio frequency and video image, finish data interaction between serial line interface and the digital information processor.
In the utility model, wherein digital signal processor by using multi-dimensional matrix Mixing compression algorithm of video and audio is compressed processing synchronously to above-mentioned audio coding and video coding.
In the utility model, wherein also comprise long-range demonstration computer, be connected with the network interface of above-mentioned centralized control server.
In sum, the utility model mainly based on technology such as mobile computing machine technology, network technology, image processing techniques, digital compression technology and Based Intelligent Control, can carry out incorporate synchronous recording, live and program request with the video in the meeting, audio signal and computer dynamic screen signal.Realization to the networked program request of the digitlization storage of the network direct broadcasting of the demonstration of meeting training document and data in kind, meeting live telecast, meeting material, meeting material, telecommunication network meeting, and can obtain conference content in real time, scheme can be widely used in video conference rooms, high-grade meeting room, multi-functional conference hall, Conference Hall, examine multiple meeting occasion uses such as committee's meeting meeting, be fit to very much users such as government, school, enterprise.Use the technical program to have characteristics such as the temporary resource is few, picture quality is excellent, real-time is good.
Description of drawings
Fig. 1 is the system architecture diagram of the enforcement use-case of the utility model device;
Fig. 2 implements the structured flowchart of Control Server in the set of uses case for Fig. 1.
Embodiment
For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Fig. 1 is the system architecture diagram of the enforcement use-case of the utility model device.IPAV digital session management system 1 comprises signal gathering unit 11, centralized control server 12 and terminal diaplay unit 13.Signal gathering unit 11 output audio signals and vision signal.Centralized control server 12 receives and handles above-mentioned audio signal and vision signal, exports real-time code stream.Terminal diaplay unit 13 connects above-mentioned centralized control server 12, and the real-time code stream that centralized control server 12 transmits is play and shown.
Centralized control server 12 comprises digital signal processor 121, audio coding unit 122, image splicing coding unit 123, synchronous decoding unit 124, serial line interface 125, network controller 126, network interface 127 and voice-activated module 128.The input of audio coding unit 122 and image splicing coding unit 123 receives above-mentioned audio signal and vision signal respectively, and the output of audio coding unit 122 and image splicing coding unit 123 is connected to digital signal processor 121.Audio coding unit 122 cooperates with voice-activated module 128 finishes audio frequency output.121 pairs of above-mentioned audio codings of digital signal processor and video coding compress processing synchronously, the transmission of multimedia streams that digital signal processor 121 compressions obtain is to synchronous decoding unit 124, the real-time code stream that 124 decodings of synchronous decoding unit obtain is handled the back by image splicing coding unit 123 and is exported from video output, network interface 127 connects above-mentioned digital signal processor 121 by network controller 126, finish the network output of audio frequency and video image, finish data interaction between serial line interface 125 and the digital information processor.
In the present embodiment, wherein digital signal processor 121 utilizes the multi-dimensional matrix Mixing compression algorithm of video and audio that above-mentioned audio coding and video coding are compressed processing synchronously.The multi-dimensional matrix Mixing compression algorithm of video and audio belongs to common practise for the people who has common knowledge in this area, is not described in detail at this.
In the present embodiment, numeral court's trial operation system 1 also comprises long-range demonstration computer 14, be connected with the network interface 127 of above-mentioned centralized control server 121, the media stream of long-range demonstration computer 14 receiving digital signals processors 121 outputs, and above-mentioned media stream decoded and play.In the present embodiment, long-range demonstration computer 14 is connected with above-mentioned centralized control server 12 by local area network (LAN) 15, for example the IP address of centralized control server 12 is 192.168.1.118, input 192.168.1.118 is addressable centralized control server 12 in the address field of long-range demonstration computer 14 like this, call media stream wherein, play or demonstrate.Centralized control server 121 is realized media stream is broadcasted by the RTSP stream media protocol, high voiceless sound transmission of multimedia streams is based on the network of high bandwidth, under not permission of network bandwidth condition situation, also can watch the distinct image picture by the low code stream mode, guarantee the fluency of image, realize broadcasting simultaneously and sent the visit of realization multi-client.
In the present embodiment, the centralized control server is used for system's miscellaneous equipment to carry out alternately, audio-video signal to input carries out various processing such as encoding compression, and treated then signal generated code stream transmits by network, and system equipment is carried out control and management.By the controller internal processes, effectively realize comprising signals collecting, encoding and decoding, centralized management etc.,
Long-range demonstration computer 14 is connected with the centralized control server by local area network (LAN) by the standard network winding thread, can comprise operations such as remote on-off, parameter setting, control programming, local storage to server, and the real-time code stream that can watch server to transmit by decoding program, by the interfaces such as VGA output of PC, image directly can be sent on the display devices such as projector.This equipment operated by rotary motion also can merge with the record and use same computer at the meeting scene, makes control more flexible.
Signal gathering unit 11 main collection site picture signals also are connected to the input of server, mainly comprise intelligent camera, microphone, power amplifier etc., and the control end of server links to each other with these equipment and can carry out such as controls such as rotation, ZOOM camera-shooting and recording device.
Terminal diaplay unit 13-generally is connected and separates on the codes, comprises display projector equipment, sound equipment etc.
By these devices, can realize following basic function easily:
Meeting-place audio-video signal and pcs signal collection input;
Synthetic and the combination in any output of meeting-place video image picture;
Voice-activated and video interlock;
Meeting-place audio frequency and video image network is live, program request and recording and storing;
The audio frequency and video image effect is adjusted, the facility switching machine is controlled, many code streams coding;
The visit of teleconference picture.
Conference management software----digital conference system management software can carry out the procedure operation to whole conference system, the audiovisuals of convenient management and use meeting, by meeting application, meeting audit, meeting waiting, meeting begin, session discussing, meeting modules such as affirmation, meeting inquiry after the meeting, the audiovisuals file of different meetings is divided into different classifications, and the authority strict control in addition to watching personnel.Promptly make things convenient for the needs of watching the live and data check of meeting, guaranteed the safety of information again.
By this software, can realize the supporting use of software and hardware better in conjunction with above device, satisfy whole system, realize the demand of whole meeting.Concrete function is as follows:
Complete meeting flow management function
Record and the server recording function this locality
Software is to hardware device control and management function
Imprinting function after the meeting
Live and the some multicast function
The instant message function
The log query function
Enrich personnel's privilege feature
Vote function
The Electronic Signature function
Digital signature function
The video documents encryption function, anti-tamper authentication function
The version updating function
Utilize high-quality real-time multimedia signal of the present invention to transmit, the network direct broadcasting by meeting live telecast, program request,
The playback of conference content realizes discussion and voting to Session Topic, to the Signature Confirmation of meeting resolution.
Present embodiment mainly embodies following technical characteristic:
1. based on the digital signature and the digital signature technology of meeting
This technology is mainly used in meeting and confirms link, and technical characterictic is: the authentication function of committee paper can realize by digital signature and digital signature technology.Digital signature is mainly used to the author's of confirmative document identity, follows the trail of changed content and examines examining of file.Key property: the open digital watermarking algorithm that adopts can seamlessly be embedded into digital signature and digital signature in the word file.Visualization digital signature and digital signature are more directly perceived, more convenient, more reliable.
2. based on the tamper-resistance techniques of video file and electronic document
This technology is mainly used in meeting inquiry link, and technical characterictic is: the fail safe of meeting material inquiry can realize by tamper-resistance techniques.Tamper-resistance techniques is mainly used in encrypts and the deciphering measure all data of meeting.Principal character: fail safe and reliability adopt the encrypting and decrypting hashing algorithm, can encrypt setting to video file and document information, be decrypted processing when having access to again.Visual directly perceived and convenient.
3. based on conference voting voting technology
This technology is mainly used in the session discussing link, technical characterictic: session discussing can be realized by the counting mode of voting.Principal character: the software embedded type interface, operate simple and easyly, just can put to the vote according to the content of the discussions of host issue, voting finishes back statistics automatically, represents voting results in real time by dendrogram.
4. guarantee that the high definition quality has lower code check visit
This technology is mainly used in that meeting is live, the program request link; technical characterictic: the quality that meeting is live, the bandwidth of on-demand access can directly cause the audio frequency and video image; the spy designs the two-way coded system: high code stream and low code stream; in visit time, can be selected according to the situation of self bandwidth, guarantees the normalization of transmission.Adopt stream media technology to carry out the visit of broadcast type, visit when realizing multiple spot.
Concrete case study on implementation only is a preferable case study on implementation of the present utility model described in the utility model, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as technology category of the present utility model.
Claims (5)
1. an IPAV digital session management system is characterized in that, comprising:
Signal gathering unit, output audio signal and vision signal;
The centralized control server receives and handles above-mentioned audio signal and vision signal, exports real-time code stream;
Terminal diaplay unit connects above-mentioned centralized control server, and the real-time code stream that the centralized control server transmits is play and shown.
2. IPAV digital session management system according to claim 1, it is characterized in that, wherein the centralized control server comprises digital signal processor, audio coding unit, image splicing coding unit, synchronous decoding unit, serial line interface, network controller, network interface and voice-activated module, the input of audio coding unit and image splicing coding unit receives above-mentioned audio signal and vision signal respectively, and the output of audio coding unit and image splicing coding unit is connected to digital signal processor; Audio coding unit cooperates with the voice-activated module finishes audio frequency output, digital signal processor compresses processing synchronously to above-mentioned audio coding and video coding, the transmission of multimedia streams that the digital signal processor compression obtains is to the synchronous decoding unit, the real-time code stream that the synchronous decoding unit decodes obtains is handled the back by image splicing coding unit and is exported from video output, network interface connects above-mentioned digital signal processor by network controller, finish the network output of audio frequency and video image, finish data interaction between serial line interface and the digital information processor.
3. IPAV digital session management system according to claim 2 is characterized in that wherein digital signal processor by using multi-dimensional matrix Mixing compression algorithm of video and audio is compressed processing synchronously to above-mentioned audio coding and video coding.
4. IPAV digital session management system according to claim 2 is characterized in that, wherein also comprises long-range demonstration computer, is connected with the network interface of above-mentioned centralized control server.
5. IPAV digital session management system according to claim 4 is characterized in that, its medium-long range shows that computer is connected with above-mentioned centralized control server by local area network (LAN).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020130233 CN201742493U (en) | 2010-03-12 | 2010-03-12 | Ipav digital conference management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020130233 CN201742493U (en) | 2010-03-12 | 2010-03-12 | Ipav digital conference management system |
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| CN201742493U true CN201742493U (en) | 2011-02-09 |
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| CN 201020130233 Expired - Lifetime CN201742493U (en) | 2010-03-12 | 2010-03-12 | Ipav digital conference management system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721790A (en) * | 2016-01-21 | 2016-06-29 | 南京新视云网络科技有限公司 | High definition loop court trial direct broadcast host |
| CN106941498A (en) * | 2017-04-20 | 2017-07-11 | 江苏云师道网络科技有限公司 | A kind of internet conference system |
| CN107959821A (en) * | 2017-11-27 | 2018-04-24 | 安徽威斯贝尔智能科技有限公司 | A kind of meeting visible dialogue system based on cloud |
| CN108650016A (en) * | 2018-05-04 | 2018-10-12 | 深圳市科比特航空科技有限公司 | Unmanned aerial vehicle station system |
-
2010
- 2010-03-12 CN CN 201020130233 patent/CN201742493U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721790A (en) * | 2016-01-21 | 2016-06-29 | 南京新视云网络科技有限公司 | High definition loop court trial direct broadcast host |
| CN106941498A (en) * | 2017-04-20 | 2017-07-11 | 江苏云师道网络科技有限公司 | A kind of internet conference system |
| CN107959821A (en) * | 2017-11-27 | 2018-04-24 | 安徽威斯贝尔智能科技有限公司 | A kind of meeting visible dialogue system based on cloud |
| CN108650016A (en) * | 2018-05-04 | 2018-10-12 | 深圳市科比特航空科技有限公司 | Unmanned aerial vehicle station system |
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Granted publication date: 20110209 |
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| CX01 | Expiry of patent term |