CN106534719A - DVB-based audio and video transmission method for monitoring system - Google Patents
DVB-based audio and video transmission method for monitoring system Download PDFInfo
- Publication number
- CN106534719A CN106534719A CN201610956812.2A CN201610956812A CN106534719A CN 106534719 A CN106534719 A CN 106534719A CN 201610956812 A CN201610956812 A CN 201610956812A CN 106534719 A CN106534719 A CN 106534719A
- Authority
- CN
- China
- Prior art keywords
- video
- audio
- display device
- sound pick
- video camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64315—DVB-H
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
Abstract
The present invention discloses a DVB-based audio and video transmission method for a monitoring system and relates to the technical field of DCB. The system comprises a high-definition internet patrol distribution storage server. The high-definition internet patrol distribution storage server is connected with a storage device, and is also connected with a patrol splicing control host, an encoding device, a pickup and a camera through a coaxial cable. Meanwhile, the high-definition internet patrol distribution storage server is connected with a switch through network connection and is also connected with a control device. The patrol splicing control host is connected with a display device. The method has the following beneficial effects of 1) good playing effect; 2) high safety; 3) good audio/video integrity; and 4) low implementation cost.
Description
Technical field
The present invention relates to DCB technical fields, more particularly to a kind of monitoring system audio/video transmission method based on DVB.
Background technology
DVB (DVB Digital Video Broadcasting) is by a series of states of DVB project maintenances
The DTV Open Standard that border recognizes, is widely used in DTV and broadcast transmission medium.
IP Technical Architectures being adopted traditional monitoring system audio video transmission, by web camera collection, based on TCP/ more
IP agreement carries out network transmission.Monitoring system based on IP frameworks from SD show to high definition show step transition when, mainly
Facing challenges have it is following some：
Network bandwidth requirement：High-definition video signal transmission is higher to network bandwidth requirement, with the full HD videos of 1080P is
Example, standard transfer rate is 6Mb/s, multi-path high-definition video distribution, upload, transfer, concurrently playing when, to guarantee image player
Smooth not interim card, needs the basic network of gigabit even 10,000,000,000 as support；
Non-critical systems input is more：With the increase of network bandwidth requirements, the network exchange for increasing higher performance is needed to set
Standby, the networking budget for bringing therewith can be greatly increased.
In order to solve problem above, the DVB technologies for being now widely used for digital television broadcasting media are introduced by the present invention
To in monitoring system audio video transmission technology.Audio-video signal adopts DVB agreements, is transmitted by coaxial cable, and system is only
Stand on outside Internet architecture, be not take up the network bandwidth, single coaxial cable maximum can transmit 99 road audio-video signals, without the need for mistake
Many network element devices.
The content of the invention
The technical problem to be solved is to provide a kind of monitoring system audio/video transmission method based on DVB, with
Solve caused above-mentioned multinomial defect in prior art.
For achieving the above object, the present invention provides following technical scheme：A kind of monitoring system audio frequency and video based on DVB are passed
Transmission method, the system include：
High definition is patrolled distribution storage server on the net, and high definition distribution storage server of patrolling on the net is connected with storage dress
Put, and be connected with inspection splicing control main frame, code device, sound pick-up, video camera by coaxial cable, while logical with switch
Cross network connection and be connected with control device, the inspection splicing control main frame is connected with display device；
The sound pick-up is connected with the video camera, and is connected with the code device by coaxial cable, for obtaining
Audio data information；Video camera, is connected with sound pick-up, and is connected with code device by coaxial cable, regarded for obtaining high definition
Frequency signal；Code device, is connected with sound pick-up and video camera by coaxial cable, receives the front end data that both collect, with
TS stream file formats are compressed coding, are transferred to the high definition by coaxial cable and patrol on the net distribution storage server；
The high definition is patrolled distribution storage server on the net, is the server for possessing encoding and decoding, storage and compression function；
The storage device, to store high resolution audio and video data；
The inspection splicing control main frame is responsible for receiving high-definition digital audio, video data and carrying out image procossing, image procossing
Including the display synthesized multipath digital video signal for display device, image procossing also includes the display to display device
Picture is split, and digital video signal data all the way is shown in each cut zone；
The display device connection splicing control main frame of patrolling, to receive the digital audio-frequency data of multichannel and carry out
Show；
The switch is connected with the inspection splicing control main frame, server, and the other end is connected with TCP/IP networks；
The control device, is connected with switch, to control data and the transmission in network and is exchanged, by receiving terminal
Equipment hard decoder carries out large-size screen monitors with the soft decoding process of client software and shows.
Preferably, heretofore described sound pick-up and video camera are set to multigroup, and the quantity phase of sound pick-up and video camera
Deng.
Preferably, the high definition patrol on the net distribution storage server quantity also for multigroup.
Preferably, the display device can be LED display, and display device is also set to multigroup, the quantity of display device
Equal to sound pick-up or the quantity of video camera.
Preferably, every group of sound pick-up, video camera and the display device are equipped with numbering, per group of sound pick-up and video camera
The signal exported after coding is shown on the display device of corresponding corresponding encoded after coaxial circuit transmission.
Using the beneficial effect of above technical scheme it is：1) result of broadcast is good：Using DVB transmission monitor system HD videos
Signal, is not take up the network bandwidth, is not limited by network environment, the concurrent play smooth of multichannel audio-video frequency, without Caton phenomenon；2) safety
Property it is high：System can effectively defend virus, network attack and local video illegally to steal independently of Internet architecture；3) sound is regarded
Frequency integrality is good：Using coaxial cable transmit audio frequency and video, during no data compression process, there is no IP transmission data packet losses and ask
Topic, it is ensured that monitoring audio/video is completely without loss；4) implementation cost is low：Using DVB agreements, single coaxial cable can be transmitted 99 and take the photograph
Camera signal, without the need for excessive network element device, construction is simple, easy to maintenance, and system implements totle drilling cost can reduce by more than 30% for system.
Description of the drawings
Fig. 1 is the structured flowchart of the present invention.
Wherein, 1- sound pick-ups, 2- video cameras, 3- code devices, 4- high definitions are patrolled distribution storage server on the net, 5- storages
Device, 6- inspection splicing control main frames, 7- display devices, 8- switches, 9- control devices.
Specific embodiment
Describe a kind of embodiment party of the monitoring system audio/video transmission method based on DVB of the present invention below in conjunction with the accompanying drawings in detail
Formula.
Fig. 1 shows a kind of specific embodiment of the monitoring system audio/video transmission method based on DVB of the present invention：A kind of base
In the monitoring system audio/video transmission method of DVB, the system includes：
High definition patrol on the net distribution storage server 4, the high definition patrol on the net distribution storage server 4 be connected with storage
Device 5, and be connected with inspection splicing control main frame 6, code device 3, sound pick-up 1, video camera 2 by coaxial cable, while with
Switch 8 is passed through network connection and is connected with control device 9, and the inspection splicing control main frame 6 is connected with display device 7；
The sound pick-up 1 is connected with the video camera 2, and is connected with the code device 3 by coaxial cable, for obtaining
Take audio data information；Video camera 2, is connected with sound pick-up 1, and is connected with code device 3 by coaxial cable, for obtaining height
Clear vision signal；Code device 3, is connected with sound pick-up 1 and video camera 2 by coaxial cable, receives the front end that both collect
Data, are compressed coding with TS stream file formats, are transferred to the high definition and are patrolled on the net by coaxial cable and distribute storage clothes
Business device 4；
The high definition is patrolled on the net and distributes storage server 4, is the server for possessing encoding and decoding, storage and compression function；
The storage device 5, to store high resolution audio and video data；
The inspection splicing control main frame 6 is responsible for receiving high-definition digital audio, video data and carrying out image procossing, at image
Reason includes for multipath digital video signal synthesizing display for display device, and image procossing also includes showing display device
Show that picture is split, digital video signal data all the way is shown in each cut zone；
The display device 7 connects the inspection splicing control main frame 6, goes forward side by side to the digital audio-frequency data for receiving multichannel
Row shows；
The switch 8 is connected with the inspection splicing control main frame 6, server, and the other end is connected with TCP/IP networks；
The control device 9, is connected with switch 8, to control data and the transmission in network and is exchanged, by receiving
End equipment hard decoder carries out large-size screen monitors with the soft decoding process of client software and shows.
In the present embodiment, heretofore described sound pick-up 1 and video camera 2 are set to multigroup, and sound pick-up 1 and video camera
2 quantity is equal.
In the present embodiment, the high definition patrol on the net distribution storage server 4 quantity also for multigroup.
In the present embodiment, the display device 7 can be LED display, and display device 7 is also set to multigroup, and display sets
Standby 7 quantity is equal to the quantity of sound pick-up 1 or video camera 2.
In the present embodiment, every group of sound pick-up 1, video camera 2 and display device 7 are equipped with numbering, per group of pickup
The signal that device 1 and video camera 2 are exported after encoding is shown after coaxial circuit transmission on the display device 7 of corresponding corresponding encoded
Illustrate and.
Sound pick-up 1, video camera 2, code device 3, high definition are patrolled on the net and distribute storage server 4, inspection splicing control master
Machine 6, storage device 5, display device 7, control device 9, switch 8 and TCP/IP networks, the sound pick-up 1 and video camera 2 it is equal
The code device 3 is connected with, the sound pick-up 1 is connected with video camera 2, sound pick-up 1 and video camera 2 constitute adopting for the present invention
Collection end；
The sound pick-up 1 is used for obtaining audio data information, audio compress standard using MPEG Layer ll, G.711,
ACC, the audio signal Jing BNC of sound pick-up collection are input in video camera；
2 external BNC of the video camera (sound pick-up audio input interface), is flowed with TS after audio frequency and video hybrid coding defeated
Go out, for obtaining high-definition video signal, using support DVB agreements high-definition digital video camera, video compression format MPEG-4,
H.264, external BNC (sound pick-up audio input interface), output file form are that TS streams (support the real-time solution of monitor video
Code, playing function)；
The code device 3 is connected with the high definition and patrols on the net distributes storage server 4, high definition inspection point on the net
Send out storage server 4 and be connected with the storage device 5, inspection splicing control main frame 6 and switch 8, the switch 8 connects simultaneously
The inspection splicing control main frame 6, the other end and TCP/IP network connections are connected to, the control device 9 is connected with the exchange
Machine 8, the inspection splicing control main frame 6 are connected with the display device 7；
The code device 3 receives the front end data that both sound pick-up 1 and video camera 2 are collected, with TS stream file formats
Be compressed coding, be then communicated to high definition patrol on the net distribution storage server 4；
The high definition is patrolled on the net and distributes storage server 4, is the server for possessing encoding and decoding, storage and compression function；
The high definition is patrolled on the net and distributes storage server 4, can transfer data to storage device, and storage device is to deposit
Storage high resolution audio and video data；
The inspection splicing control main frame 6, it is main to be responsible for receiving high-definition digital audio, video data and carrying out image procossing, scheme
Include for multipath digital video signal synthesizing display for display device as processing, image procossing also includes to display device
Display picture split, digital video signal data all the way is shown in each cut zone；
The switch 8, can be that the high definition of access switch 8 patrols distribution storage server and splicing control of patrolling on the net
Main frame processed the two network nodes provide the pathway for electrical signals for exclusively enjoying, and carry out data transmission；
The display device 7, to receive the digital audio-frequency data of multichannel and be shown；
The control device 9, it is main to be responsible for control switch 8, for control data and the transmission in network and exchange.
Connected using coaxial cable between each device of the present invention, using the advantage that coaxial cable is transmitted be：
During single coaxial cable transmission multichannel audio-video frequency signal, the coaxial transmission cable of multiple video cameras is concatenated into one by distributor
On main line coaxial cable, by arranging different frequencies to video camera, prevent audio-video signal from interference phenomenon occurring.With standard code
As a example by rate is for the full HD vision signals of 1080P of 6Mb/s, adjacent two-way audio-video signal frequency interval 12M can ensure that multichannel
Signal is without crosstalk；
Code device 3, inspection distribution storage server 6, inspection splicing control main frame 6,5 switch 8 of storage device and control
Device processed 9 constitutes the audio-video signal receiving terminal of the present invention, mainly has：
1) encoding function：The audio-video monitoring TS stream files of front-end collection are compressed into process, are easy to remote sound to regard
Frequency signal transmission；
2) decoding function：In remote monitoring display centre, the audio-video signal after monitoring site collect and process is received, is gone forward side by side
Row decoding, display, including receiving device hard decoder and client software two big decoding processes of soft decoding；
3) splice function：After audio-video signal is carried out picture segmentation, splicing, the big screen display device of Surveillance center is uploaded to
On；
Specifically workflow is the present invention：It is after sound pick-up 1 and video camera 2 collect sound and picture signal, encoded
Exported with TS streams after device hybrid coding, then carry out encoding, decode in receiving terminal, after splicing, entering on the display device
Row is shown in real time.
Based on above-mentioned, a kind of monitoring system audio/video transmission method based on DVB of the present invention is beneficial compared with prior art
Effect is：1) result of broadcast is good：Using DVB transmission monitor system high-definition video signals, the network bandwidth is not take up, not by network rings
Border limits, the concurrent play smooth of multichannel audio-video frequency, without Caton phenomenon；2) it is safe：System, can be with independently of Internet architecture
Effectively defence virus, network attack and local video are illegally stolen；3) audio frequency and video integrality is good：Regarded using coaxial cable transmission sound
Frequently, no data compression during is processed, and there is no IP transmission data packet losses, it is ensured that monitoring audio/video is completely without loss；4)
Implementation cost is low：Using DVB agreements, single coaxial cable can transmit 99 camera signals, system without the need for excessive network element device,
Construction is simple, easy to maintenance, and system implements totle drilling cost can reduce by more than 30%.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, some deformations and improvement can also be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of monitoring system audio/video transmission method based on DVB, it is characterised in that：The system includes：High definition is patrolled on the net
Check the mark and send out a storage server, high definition distribution storage server of patrolling on the net is connected with storage device, and passes through coaxial cable
Be connected with inspection splicing control main frame, code device, sound pick-up, video camera, at the same with switch by network connection and with control
Device connection processed, the inspection splicing control main frame are connected with display device；
The sound pick-up is connected with the video camera, and is connected with the code device by coaxial cable, for obtaining audio frequency
Data message；Video camera, is connected with sound pick-up, and is connected with code device by coaxial cable, for obtaining HD video letter
Number；Code device, is connected with sound pick-up and video camera by coaxial cable, receives the front end data that both collect, and is flowed with TS
File format is compressed coding, is transferred to the high definition by coaxial cable and patrols on the net distribution storage server；
The high definition is patrolled distribution storage server on the net, is the server for possessing encoding and decoding, storage and compression function；
The storage device, to store high resolution audio and video data；
The inspection splicing control main frame is responsible for receiving high-definition digital audio, video data and carrying out image procossing, and image procossing includes
Multipath digital video signal is synthesized into the display for display device, image procossing also includes the display picture to display device
Split, digital video signal data all the way is shown in each cut zone；
The display device connection splicing control main frame of patrolling, to receive the digital audio-frequency data of multichannel and be shown
Show；
The switch is connected with the inspection splicing control main frame, server, and the other end is connected with TCP/IP networks；
The control device, is connected with switch, to control data and the transmission in network and is exchanged, by receiving device
Hard decoder carries out large-size screen monitors with the soft decoding process of client software and shows.
2. a kind of monitoring system audio/video transmission method based on DVB according to claim 1, it is characterised in that this
Sound pick-up described in bright and video camera are set to multigroup, and the quantity of sound pick-up and video camera is equal.
3. a kind of monitoring system audio/video transmission method based on DVB according to claim 1, it is characterised in that described
High definition patrol on the net distribution storage server quantity also for multigroup.
4. a kind of monitoring system audio/video transmission method based on DVB according to claim 1, it is characterised in that described
Display device can be LED display, and display device is also set to multigroup, and the quantity of display device is equal to sound pick-up or video camera
Quantity.
5. a kind of monitoring system audio/video transmission method based on DVB according to claim 1, it is characterised in that described
Every group of sound pick-up, video camera and display device are equipped with numbering, and the signal exported after per group of sound pick-up and video camera coding leads to
Show on the display device of corresponding corresponding encoded after crossing coaxial circuit transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956812.2A CN106534719A (en) | 2016-11-03 | 2016-11-03 | DVB-based audio and video transmission method for monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956812.2A CN106534719A (en) | 2016-11-03 | 2016-11-03 | DVB-based audio and video transmission method for monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106534719A true CN106534719A (en) | 2017-03-22 |
Family
ID=58325714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610956812.2A Pending CN106534719A (en) | 2016-11-03 | 2016-11-03 | DVB-based audio and video transmission method for monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106534719A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394549A (en) * | 2008-10-28 | 2009-03-25 | 北京佳讯飞鸿电气股份有限公司 | Integrated video monitoring system for railway |
| CN101924922A (en) * | 2010-07-20 | 2010-12-22 | 广州杰赛科技股份有限公司 | Monitoring method and monitoring system |
| CN102316302A (en) * | 2010-06-29 | 2012-01-11 | 广东迅通科技股份有限公司 | Multi-channel real-time monitoring and management system |
| CN102917200A (en) * | 2011-08-01 | 2013-02-06 | 和迪科技股份有限公司 | High-bandwidth audio-video transmission processing system |
| US20150009283A1 (en) * | 2013-07-08 | 2015-01-08 | Fermax Design & Development, S.L.U. | Two-wire multichannel video door system |
-
2016
- 2016-11-03 CN CN201610956812.2A patent/CN106534719A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394549A (en) * | 2008-10-28 | 2009-03-25 | 北京佳讯飞鸿电气股份有限公司 | Integrated video monitoring system for railway |
| CN102316302A (en) * | 2010-06-29 | 2012-01-11 | 广东迅通科技股份有限公司 | Multi-channel real-time monitoring and management system |
| CN101924922A (en) * | 2010-07-20 | 2010-12-22 | 广州杰赛科技股份有限公司 | Monitoring method and monitoring system |
| CN102917200A (en) * | 2011-08-01 | 2013-02-06 | 和迪科技股份有限公司 | High-bandwidth audio-video transmission processing system |
| US20150009283A1 (en) * | 2013-07-08 | 2015-01-08 | Fermax Design & Development, S.L.U. | Two-wire multichannel video door system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106657887A (en) | Scenic area's real-time monitoring webcasting system based on mobile internet | |
| CN101938638A (en) | Network video monitoring system based on resolution ratio grading transmission | |
| CN206517517U (en) | Scenic spot based on mobile Internet monitors live broadcast system in real time | |
| JP2006229977A (en) | Method for performing data transport over serial bus using internet protocol and apparatus for use in method | |
| CN105049918A (en) | Method for separating local recorded video and network live video | |
| CN108124158B (en) | The data processing method of multimedia terminal and multimedia terminal | |
| CN108574816B (en) | Video networking terminal and communication method and device based on video networking terminal | |
| KR101677868B1 (en) | Networking method and networking device | |
| CN211352345U (en) | 5G multichannel live broadcast system | |
| CN112866725A (en) | Live broadcast control method and device | |
| CN202713535U (en) | Video and audio monitoring network system | |
| CN105874784A (en) | Digital data sending and receiving method and apparatus based on composite video signal | |
| CN106791896A (en) | High definition/super clear program satellite internet transmission platform | |
| CN104581036A (en) | Multi-screen control method and device for performing video and audio multi-screen display | |
| CN102215425B (en) | Method and equipment for realizing live video on demand | |
| CN104735410A (en) | Narrow bandwidth lower than 4 K/S video transmission method and system | |
| KR101360996B1 (en) | Long-distance transmission apparatus of high quality digital(hd type video) image signal using the unshielded twisted-pair cable | |
| CN107071356A (en) | A kind of multimedia optimization server and its video information processing method | |
| CN106534719A (en) | DVB-based audio and video transmission method for monitoring system | |
| CN108632635B (en) | Data processing method and device based on video network | |
| CN206272748U (en) | The online inspection system of high definition based on DVB transmission | |
| CN106412477A (en) | DVB (Digital Video Broadcasting) transmission-based high-definition online inspection system | |
| CN103402077A (en) | Video and audio transmission strategy method for dynamic adjusting of code stream rate in IP (internet protocol) network of public network | |
| CN201528404U (en) | Video encoding and decoding system and video encoder and video decoder thereof | |
| US20130162819A1 (en) | Communication method and control end apparatus and detection system using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |