CN107979737A - A kind of enterprise network video conference system - Google Patents
A kind of enterprise network video conference system Download PDFInfo
- Publication number
- CN107979737A CN107979737A CN201610924049.5A CN201610924049A CN107979737A CN 107979737 A CN107979737 A CN 107979737A CN 201610924049 A CN201610924049 A CN 201610924049A CN 107979737 A CN107979737 A CN 107979737A
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- usb
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- video conference
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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
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/155—Conference systems involving storage of or access to video conference sessions
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of enterprise network video conference system, the part of the system includes：Embedded main board equipment (1), USB camera (2), USB microphones (3), external audio frequency playback equipment (4), high-definition liquid crystal touch-screen (5), external-connection displayer (6), PC server (7) and the intranet (8) of linux system, it is characterised in that：USB camera (2), USB microphones (3), external audio frequency playback equipment (4), high-definition liquid crystal touch-screen (5), external-connection displayer (6) are connected in the embedded main board equipment (1) of linux system, and embedded main board equipment (1) and PC server (7) are connected in intranet (8).Embedded main board equipment uses ARM embedded clients, can complete the task processing of certain complexity, data acquisition, audio/video coding, audio mixing mixes screen, image display etc., saves other a large amount of peripheral hardwares such as mixer, video processor, tiled display, efficiently controls system cost.
Description
Technical field
The invention belongs to the technical field of audio/video communication, specifically devises a kind of centralized and distributed mixed architecture
Enterprise network video conference system.
Background technology
Conventional video conference refers to different personnel positioned at two places or more, by the network equipment, host computer communication and sound
Video equipment etc., long-distance video meeting is carried out by network.Since the 21th century, with the Internet under ICP/IP protocol
Network continues to develop, while the RTP/RTCP agreements and Internet video solution Session Initiation Protocol for multimedia transmission occurs.
Thereby produce two kinds of network teleconference frameworks, centralization meeting framework tightly coupled, by high load server admin, with
And serverless backup, the meeting framework of multi-client Direct Communication of distributed loose coupling.
The network architecture of centralization generally builds whole system, client collection by an exigent server of performance
Server is all transferred to after audio, video data, data forwarding is carried out by server and client controls.Under this framework, service
Device is very strong to the controling power of whole system, but load is also very high, and substantial amounts of data are not stopped between clients and servers
Ground transmits, and the data exception of client and system crash would potentially result in the collapse of whole conference system.
The distributed typically no host server of the network architecture, every personnel participating in the meeting are only needed by a set of video conference
Equipment is data that are transmittable and receiving other meetings personnel.This framework is realized simple, and complexity is low, and cost is also relatively
It is low, but be a lack of efficient system management equipment, it is impossible to whole enterprise's meeting is monitored and controlled, lacks security and steady
It is qualitative.
The hardware device of current video meeting is higher, and is adopted by main conference facility, video input of PC hosts
With I2S interfaces, special tiled display, Audio Mixing Recorder, video server etc., hardware device Interface Expanding are also needed in addition
Smaller, device category is various, and wiring is complicated.
To solve problem above, it is visual that this patent devises a kind of enterprise network of centralized and distributed hybrid network framework
Conference system, using the client based on built-in Linux and arm processor and standard PC ends MCU servers.With movement
Handle official business, the fast pace office procedure such as office is used more and more in enterprise conveniently, and the system has cost control, is stablized
Flexibly, management collection mid-level characteristics, therefore there is very wide application prospect.
The content of the invention
The present invention devises a kind of enterprise network video conference system, can efficiently solve above-mentioned several general video conferences
Problem present in system.
The technical solution for realizing the object of the invention is：
1) a kind of enterprise network video conference system, the part of the system include：The embedded main board of linux system is set
Standby 1, USB camera 2, USB microphones 3, external audio frequency playback equipment 4, high-definition liquid crystal touch-screen 5, external-connection displayer 6, PC services
Device 7 and intranet 8, wherein：USB camera 2, USB microphones 3, external audio frequency playback equipment 4, high-definition liquid crystal touch-screen 5,
External-connection displayer 6 is connected in the embedded main board equipment 1 of linux system, and embedded main board equipment 1 and PC server 7 connect
Into intranet 8.
2) main use of embedded main board equipment 1 sets by the integrated embedded of core of Freescale i-MX.6 processors
It is standby, embedded Linux system of the prepackage suitable for ARM.
3) USB camera 2 is responsible for Image Acquisition using the free drive camera for any USB interface for supporting UVC agreements.
4) USB microphones 3 are responsible for audio collection using the free drive microphone for any USB interface for supporting ALSA audio protocols.
5) external audio frequency playback equipment 4 is using outer playback sound or call earphone；The high-definition liquid crystal touch-screen 5 can use electricity
Resistance screen or capacitance plate.
6) USB camera 2, USB microphones 3, external audio frequency playback equipment 4, high-definition liquid crystal touch-screen 5, external-connection displayer 6 are logical
The interface for crossing the offer of embedded main board equipment 1 is connected in the embedded main board equipment 1 of linux system, collectively forms client
System, is responsible for all clients affairs.
7) PC server 7 uses general performance computer, is responsible for the affairs such as client request response, system administration.
8) embedded main board equipment 1 is connected to same intranet 8 as client and PC server 7 as server-side
In, form overall C/S architecture systems.
Compared with existing video conference scheme, the present invention has following remarkable advantage
1) present invention eliminates substantial amounts of peripheral hardware hardware device, wiring is easy, and hardware expanding is strong.Pass through embedded client
Screen algorithm, built-in hard coded chip are mixed in end by touch display screen, USB audio-video acquisition equipments, C language audio mixing, by audio and video
Data acquisition and broadcasting, encoding and decoding audio and video data, multimedia network data transmitting-receiving, personnel participating in the meeting's information interchange, video conference
Operation etc. is all included in embedded all-in-one machine.
2) C/S system architectures are used, simple and stable, high safety, user experience is consistent.
3) system cost is low, saves vast resources, and embedded main board equipment uses ARM embedded clients, can complete
The task processing of certain complexity, data acquisition, audio/video coding, audio mixing mix screen, image display, sound broadcasting etc..Eliminate
Other a large amount of peripheral hardwares such as mixer, video processor, tiled display, have efficiently controlled system cost.
4) present invention, which has, stablizes flexibly, and management collects medium obvious characteristic, and signalling module is managed by server set Chinese style, more
Distributed transmission is independently carried out between media data client, this new mixed architecture video conference is very suitable for looking forward to now
Efficient and convenient, stability and high efficiency conferencing in industry net.
Brief description of the drawings
Fig. 1 is video conference organization chart of the present invention
Fig. 2 is video conference signaling communication module flow chart of the present invention
Fig. 3 is video conference multi-medium data transport module flow chart of the present invention
In figure, 1 is the embedded main board equipment of linux system, and 2 be USB camera, and 3 be USB microphones, and 4 be external audio frequency
Playback equipment, 5 be high-definition liquid crystal touch/display screen, and 6 be externally connected with display screen, and 7 be PC ends server, and 8 be intranet.
Embodiment
The system architecture of the present invention is further detailed in 1-3 below in conjunction with the accompanying drawings：
The present invention is devised a kind of new used based on embedded device, signalling module and multimedia transmission module and concentrated
Video conferencing system in formula and the enterprise network of distributed mixed architecture.
1. video conferencing system overall architecture
The wiring of current video conference system is complicated, and system composition is excessively numerous and jumbled, and it is special that audio/video encoding/decoding equipment, audio mixing mix screen
With the miscellaneous equipment of equipment etc., the cost of system is undoubtedly substantially increased.And most conference client is using general
PC machine, hardware expanding scarce capacity, convenience have also been short of.The present invention uses meeting visitor of the embedded main board equipment for core
Family end and the server-side using PC machine as core, using C/S system architectures, by audio, video data acquisition module, data disaply moudle,
User interactive module is incorporated into an embedded client, is connected system components by intranet.
It is video conference organization chart of the invention, embedded client and PC server are connected to an enterprise such as Fig. 1
In industry LAN, following equipment is specifically included：The embedded main board equipment 1 of linux system, USB camera 2, USB microphones 3,
External audio frequency playback equipment 4, high-definition liquid crystal touch-screen 5, external-connection displayer 6, PC server 7 and intranet 8, system each group
It is as follows into part and corresponding function：
1) main use of embedded main board equipment 1 sets by the integrated embedded of core of Freescale i-MX.6 processors
It is standby, embedded Linux system of the prepackage suitable for ARM：It is responsible for encoding and decoding audio and video data, data are transmitted and received, meeting
View data audio mixing mixes screen processing and connects PC server by TCP/IP；
2) USB camera 2 uses the free drive camera for any USB interface for supporting UVC agreements：It is responsible for collection personnel participating in the meeting
Video pictures；
3) USB microphones 3 use the free drive microphone for any USB interface for supporting ALSA audio protocols：It is responsible for collection participant
The sound message of member；
4) external audio frequency playback equipment 4 is using sound equipment or call earphone；
5) high-definition liquid crystal touch-screen 5 can use touch screens or capacitance plate：It is responsible for the meeting operation of personnel participating in the meeting；
6) external-connection displayer 6 uses high resolution display：It is responsible for video conference picture to show；
7) PC server 7 uses general performance computer：Be responsible for receive client attend a meeting request, sending information notice
Bulletin, meeting personal management and signalling communication module management；
2. signalling communication module：
Such as Fig. 2, it is the centralized conference signalling communication block flow diagram based on ICP/IP protocol, elaborates video of the present invention
The signalling communication method of conference system.
The signalling path means of communication of centralization include the management and control server to embedded client, specific method
Step is as follows：
1) meeting is participated in embedded client request, and sending TCP connections to server establishes request；
2) server makes request-reply, if agreeing to, updates on-line meeting lists of persons, if refusal, closes meeting
Request channel；
3) server notifies participant's IP address that current online client addition newly adds, so far, client of newly attending a meeting
Add in multimedia system transmission session, video conference proceeds by；
4) when client exits meeting, first pass through server and remove the client from multimedia transmission session, then lead to
Signaling control closing and the TCP communication of the client are crossed, which exits conference system completely.
3. multi-medium data transport module
The multi-medium data transport module of the present invention is using the distributed multimedia data transmission based on RTP/RTCP agreements
Method.Wherein RTP can be transmitted by Data Transport Protocols such as UDP, TCP and ATM, be mainly responsible for processing it is one-to-one, one
To more multi-medium data streaming, there is provided the temporal information and Synchronization Control of data stream transmitting.The main function of RTCP is
For cooperating together with RTP, control and web impact factor are browsed with solve the problems, such as data transfer, they are used cooperatively
The efficiency of transmission of data can be improved to a certain extent, so this solution can become online real-time Data Transmission
Major way.
It is multi-medium data transmission plan flow chart of the invention such as Fig. 3.Embedded client is adding conference system
Afterwards, start and all active clients carry out audio, video data transmission, while turn-on data collecting thread and data receiving thread,
First, data acquisition thread flow and method is as follows：
1) original audio, video data is gathered by UVC agreements camera and ALSA audio frameworks microphone equipment；
2) the original yuv format video of audio and video and PCM audio data are encoded；
3) current online participant's IP address list is read；
4) by RTP/RTCP agreements by multi-medium data subpackage, packing, is sent to each client by IP multicasts
5) circle collection and repetition above step.
Data receiver thread flow method is as follows：
1) client opens RTP session data receiving ports；
2) data type, audio, video data classification processing are judged by rtcp protocol header information；
3) it is decoded as original data type after video data group bag, all participant's video pictures are mixed after screen on a display screen
Display；
4) voice data is decoded as original data type, is played after all participant's voice data audio mixings.
5) circulation receives Data duplication above step
4. system entirety step
1) each equipment of system is connected, client is connected in intranet with server；
2) meeting is participated in user end to server request, and server responds, and new participant is added in meeting
3) client obtains meeting IP lists, proceeds by audio-video collection and transmission, while receives other clients hair
The RTP data packets sent simultaneously parse broadcasting
4) client exits meeting, notifies server, and server removes the client ip, other clients stop and should
Client data transmits, and meeting adjourned
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle of the present invention and practical application, and those of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (8)
1. a kind of enterprise network video conference system, the part of the system include：The embedded main board equipment of linux system
(1), USB camera (2), USB microphones (3), external audio frequency playback equipment (4), high-definition liquid crystal touch-screen (5), external-connection displayer
(6), PC server (7) and intranet (8), it is characterised in that：USB camera (2), USB microphones (3), external audio frequency are broadcast
Put the embedded main board equipment (1) that equipment (4), high-definition liquid crystal touch-screen (5), external-connection displayer (6) are connected to linux system
On, embedded main board equipment (1) and PC server (7) are connected in intranet (8).
2. enterprise network video conference system as claimed in claim 1, it is characterised in that：The embedded main board equipment (1) is main
The integrated embedded equipment using Freescale i-MX.6 processors as core is used, prepackage is embedded suitable for ARM's
Linux system.
3. enterprise network video conference system as claimed in claim 1, it is characterised in that：The USB camera (2) is using support
The free drive camera of any USB interface of UVC agreements, is responsible for Image Acquisition.
4. enterprise network video conference system as claimed in claim 1, it is characterised in that：The USB microphones (3) are using support
The free drive microphone of any USB interface of ALSA audio protocols, is responsible for audio collection.
5. enterprise network video conference system as claimed in claim 1, it is characterised in that：The external audio frequency playback equipment (4)
Using outer playback sound or call earphone；The high-definition liquid crystal touch-screen (5) can use touch screens or capacitance plate.
6. the enterprise network video conference system as described in any claim of claim 1-5, it is characterised in that：The USB
Camera (2), USB microphones (3), external audio frequency playback equipment (4), high-definition liquid crystal touch-screen (5), external-connection displayer (6) pass through
The interface that embedded main board equipment (1) provides is connected in the embedded main board equipment (1) of linux system, collectively forms client
End system, is responsible for all clients affairs.
7. enterprise network video conference system as claimed in claim 1, it is characterised in that：The PC server (7) is using general
Project Computer, is responsible for the affairs such as client request response, system administration.
8. the enterprise network video conference system as described in claim 1 or 2 or 7, it is characterised in that：The embedded main board equipment
(1) it is connected to as client and PC server (7) as server-side in same intranet (8), forms overall C/S framves
Construction system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924049.5A CN107979737A (en) | 2016-10-24 | 2016-10-24 | A kind of enterprise network video conference system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610924049.5A CN107979737A (en) | 2016-10-24 | 2016-10-24 | A kind of enterprise network video conference system |
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| CN107979737A true CN107979737A (en) | 2018-05-01 |
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| CN201610924049.5A Pending CN107979737A (en) | 2016-10-24 | 2016-10-24 | A kind of enterprise network video conference system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112004047A (en) * | 2020-07-07 | 2020-11-27 | 成都天堂云科技有限公司 | System and method for realizing video conference based on H264 UVC camera |
| CN114650385A (en) * | 2020-12-17 | 2022-06-21 | 深圳Tcl数字技术有限公司 | Control method and device of IP camera, storage medium and smart television |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141613A (en) * | 2007-10-10 | 2008-03-12 | 中国联合通信有限公司 | Video session switch control system and method |
| CN202197361U (en) * | 2011-08-24 | 2012-04-18 | 武汉钢铁(集团)公司 | IP videophone |
| US20140146125A1 (en) * | 2009-10-14 | 2014-05-29 | Cisco Technology, Inc. | Device, computer program product and method for providing touch control of a video conference |
| CN203984569U (en) * | 2014-08-08 | 2014-12-03 | 北京博通佳信科技有限责任公司 | The open-ended Rich media embedded system of a kind of function |
| CN204408500U (en) * | 2015-03-23 | 2015-06-17 | 王小康 | A kind of Video Conference System |
-
2016
- 2016-10-24 CN CN201610924049.5A patent/CN107979737A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141613A (en) * | 2007-10-10 | 2008-03-12 | 中国联合通信有限公司 | Video session switch control system and method |
| US20140146125A1 (en) * | 2009-10-14 | 2014-05-29 | Cisco Technology, Inc. | Device, computer program product and method for providing touch control of a video conference |
| CN202197361U (en) * | 2011-08-24 | 2012-04-18 | 武汉钢铁(集团)公司 | IP videophone |
| CN203984569U (en) * | 2014-08-08 | 2014-12-03 | 北京博通佳信科技有限责任公司 | The open-ended Rich media embedded system of a kind of function |
| CN204408500U (en) * | 2015-03-23 | 2015-06-17 | 王小康 | A kind of Video Conference System |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112004047A (en) * | 2020-07-07 | 2020-11-27 | 成都天堂云科技有限公司 | System and method for realizing video conference based on H264 UVC camera |
| CN114650385A (en) * | 2020-12-17 | 2022-06-21 | 深圳Tcl数字技术有限公司 | Control method and device of IP camera, storage medium and smart television |
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Application publication date: 20180501 |