CN106385547A - System for switching analog high definition video - Google Patents
System for switching analog high definition video Download PDFInfo
- Publication number
- CN106385547A CN106385547A CN201610811563.8A CN201610811563A CN106385547A CN 106385547 A CN106385547 A CN 106385547A CN 201610811563 A CN201610811563 A CN 201610811563A CN 106385547 A CN106385547 A CN 106385547A
- Authority
- CN
- China
- Prior art keywords
- video
- dvr
- signal
- switching
- comparator
- 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
- 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
Abstract
The invention discloses a system for switching analog high definition video, and the system comprises: an ISP processor for performing post processing on a signal transmitted by a front end image sensor; a video operational amplifier for amplifying a video signal and enhancing brightness; chroma and synchronizing signal of the video, a DVR having functions of long time video recording, voice recording, remote monitoring and controlling for image/voice; a comparator of which two inputs are analog signals and two outputs are binary signals, when the difference value of input voltage is increased or decreased, the output keeps constant, an analog voltage signal is compared with a reference voltage, and a comparison result is obtained; and an ISP processor for switching the analog high definition video according to the comparison result obtained by the comparator. According to the invention, compared with the prior art, the system decreases the software version, unifies the hardware circuit, provides convenience to an actual test and optimizes the customization requirement, a COC circuit is adopted to perform protocol matching, and the disassembling and assembling complexity of complete machine product can be effectively reduced.
Description
Technical field
The present invention relates to high-definition video technology field is simulated in switching, what HD video was simulated in more particularly, to a kind of switching is
System.
Background technology
Since mixed type signal being supported with digital video recorder (DVR), simulation high-definition camera is required to
Support that switching solves to realize video camera (TVI) and simulation high-definition camera (AHD) and its NTSC of high definition transmission on coaxial line
Switching between (NTSC) standard video camera and television broadcasting (PAL) standard, existing mode of operation, bag
Include：
1st, existing equipment cannot realize this function, can only distinguish simulation high definition by by way of the software that burning is specified
Video TVI and AHD and its NTSC and pal mode, increase the loaded down with trivial details of the different numbers of getting the raw materials ready；
2nd, hardware increases menu key control line, by entering menu or specifying certain long keying to arrange camera video
Output format, also has and draws input/output (IO) layout line by hardware, arrange shooting by configuring specified corresponding I level
Machine video output formats the method increase hardware cost, easy maloperation, after installation in-convenience in use；
3rd, in DVR, video camera menu setting is entered by COC agreement and simulate HD video output format, which operation is numerous
Trivial, and video camera increases menu logic function, character repertoire etc., and hardware cost may be led to increase.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of system of switching simulation HD video.
It is an object of the invention to provide a kind of system of switching simulation HD video, including：ISP processor, video fortune
Calculate amplifier, DVR, comparator；
Described ISP processor, is connected with described video algorithms amplifier, described comparator, for passing to front-end image
The signal of sensor output does later stage process；
Described video algorithms amplifier, is respectively connected with described ISP processor, described DVR, for amplified video letter
Number, in order to strengthen the brightness of video, colourity, synchronizing signal；
Described DVR, is a set of computer system carrying out image storage process, has and image/voice is carried out for a long time
Video recording, the function of recording, remotely monitor and control；
Described comparator, is respectively connected with described DVR, described ISP processor, is by an analog voltage signal and one
The circuit that individual reference voltage compares, the two-way of comparator inputs as analogue signal, and output is then binary signal, when input electricity
When the difference of pressure increases or reduces, its output keeps constant, for analog voltage signal is compared with a reference voltage, obtains
To comparative result；
Described ISP processor, is additionally operable to the comparative result obtaining according to described comparator, switching simulation HD video.
Wherein, the described later stage is processed, including：Linearity rectification, noise remove, bad point removal, interpolation, white balance, automatically exposure
Photocontrol.
Wherein, described video algorithms amplifier, when transmission of video distance is more than predeterminable range, using regarding of thick line footpath
Frequency line, increases video amplifier enhancing signal intensity simultaneously in circuit and reaches long-distance transmissions purpose.
Wherein, described DVR, has gathered videocorder, image splitter, platform-lens control, controlling alarm, network transmission five
Plant function.
Wherein, described DVR, including：DVR, PC formula DVR, built-in hard disk video tape recorder.
Wherein, the hardware of described DVR, including：CPU, internal memory, mainboard, video card, video frequency collection card, cabinet, power supply, hard disk,
Connection cables.
Wherein, the system of described switching simulation HD video, camera hardware adopts the circuit of COC, software aspects will
Video frequency output configuration register separate storage, transmits proprietary protocol using video camera and DVR by COC, a key sends on DVR
The order of setting camera video output format, after video camera receives the corresponding command, storage described simulation HD video output is joined
Put option, and Switch Video output.
The system of HD video is simulated in the switching that the present invention provides, including：ISP processor, for sensing to front-end image
The signal of device output does later stage process；Video algorithms amplifier, for amplification video signal, in order to strengthen brightness, the color of video
Degree, synchronizing signal；DVR, is a set of computer system carrying out image storage process, has and image/voice is carried out for a long time
Video recording, the function of recording, remotely monitor and control；Comparator, be by an analog voltage signal compared with a reference voltage
Circuit relatively, the two-way of comparator inputs as analogue signal, and output is then binary signal, increase when the difference of input voltage or
During reduction, its output keeps constant, for analog voltage signal is compared with a reference voltage, obtains comparative result；ISP
Processor, is additionally operable to the comparative result obtaining according to comparator, switching simulation HD video, the present invention compared to existing technology, subtracts
Lack software version, unified hardware circuit, client and actual test have been provided convenience, optimizing customization has needed
Ask, agreement coupling can be carried out using COC circuit, effectively reduce the dismounting complexity of machine product.
Brief description
Fig. 1, is the schematic diagram of the system of present invention switching simulation HD video.
Specific embodiment
The present invention provides a kind of system of switching simulation HD video, is applied to switching simulation high-definition video technology field,
The system of present invention switching simulation HD video, including：ISP processor, the signal for exporting to front-end image sensor does
Later stage is processed；Video algorithms amplifier, for amplification video signal, in order to strengthen the brightness of video, colourity, synchronizing signal；
DVR, is a set of computer system carrying out image storage process, has and image/voice is recorded a video for a long time, recorded, far
The function that journey monitors and controls；Comparator, is the circuit that an analog voltage signal is compared with a reference voltage, compares
The two-way of device inputs as analogue signal, and output is then binary signal, when the difference of input voltage increases or reduces, its output
Keep constant, for analog voltage signal is compared with a reference voltage, obtain comparative result；ISP processor, is additionally operable to
The comparative result being obtained according to comparator, switching simulation HD video, the present invention compared to existing technology, decreases software version,
Unify hardware circuit, client and actual test have been provided convenience, optimizes Customization demand, COC can have been adopted
Circuit carries out agreement coupling, effectively reduces the dismounting complexity of machine product.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The present invention provides a kind of system of switching simulation HD video.
Refer to Fig. 1, Fig. 1 switches the schematic diagram of the system of simulation HD video for the present invention, present invention switching simulation is high
The system 10 of clear video, including：ISP (picture signal process) processor 101, video algorithms amplifier 102, DVR103, compare
Device 104；
ISP processor 101, is connected with video algorithms amplifier 102, comparator 104, for front-end image sensor
The signal of output does later stage process, and this later stage is processed, including：Linearity rectification, noise remove, bad point removal, interpolation, white balance,
Auto-exposure control etc.；
Video algorithms amplifier 102, is respectively connected with ISP processor 101, DVR103, for amplification video signal, uses
With the brightness of enhancing video, colourity, synchronizing signal；
DVR103, is a set of computer system carrying out image storage process, has and image/voice is recorded for a long time
Picture, the function of recording, remotely monitor and control；
Comparator 104, is respectively connected with DVR103, ISP processor 101, is by an analog voltage signal and one
The circuit that reference voltage compares, the two-way of comparator inputs as analogue signal, and output is then binary signal, works as input voltage
Difference increase or reduce when, its output keep constant, for analog voltage signal is compared with a reference voltage, obtain
Comparative result；
ISP processor 101, is additionally operable to the comparative result obtaining according to comparator 104, switching simulation HD video.
Wherein, ISP processor, can preferably reduce live details under different optical conditions.
Wherein, video algorithms amplifier 102, when transmission of video apart from distant when, preferably with thicker the regarding of line footpath
Frequency line, can increase video amplifier enhancing signal intensity simultaneously in circuit and reach long-distance transmissions purpose；Video algorithms are put
Big device 102 can strengthen brightness, colourity and the synchronizing signal of video.
Wherein, DVR103, has gathered videocorder, image splitter, platform-lens control, controlling alarm, network transmission etc.
Five kinds of functions, just can replace the function of a lot of equipment of simulated monitoring system with an equipment.
Wherein, DVR103, including：DVR, PC formula DVR, built-in hard disk video tape recorder etc..
Wherein, the hardware of DVR103 is mainly by CPU, internal memory, mainboard, video card, video frequency collection card, cabinet, power supply, hard disk,
Connection cables etc. are constituted, and the video recording effect of DVR103 depends on video camera and processes energy with the compression algorithm of DVR103 itself with chip
Power.
Wherein, the compress technique that DVR103 adopts have MPEG-2, MPEG-4, H.264, M-JPEG, and MPEG-4, H.264
It is domestic modal compress mode；Divide from compressing card and have soft compression and two kinds of hard compression, soft pressure is affected relatively by CPU
Greatly, mostly do not accomplish entirely to show in real time and record a video, therefore gradually eliminated by hard compression；From video camera input way be divided into 1 tunnel, 2
Road, 4 tunnels, 6 tunnels, 9 tunnels, 12 tunnels, 16 tunnels, 32 tunnels, even more many ways；Generally speaking, two big class can be divided into by system structure：
PC formula DVR based on PC framework and the embedded digital video recorder (DVR) departing from PC framework.
Wherein, the system 10 of present invention switching simulation HD video, camera hardware employs the circuit of COC, software
Video frequency output is configured related register separate storage by aspect, transmits proprietary protocol using video camera and DVR by COC, permissible
On DVR, a key sends the order of setting camera video output format, and after video camera receives the corresponding command, storage is corresponding to simulate
HD video exports config option, and Switch Video output.By apparatus above, can arbitrarily these four patterns of video camera be entered
The simply one-touch switching of row, can improve and be distinguished using software or hardware button formula setting camera video output format band
The troublesome operation come and the increase of cost.
The system 10 of HD video is simulated in the switching that the present invention provides, including：ISP processor 101, for front-end image
The signal of sensor output does later stage process；Video algorithms amplifier 102, for amplification video signal, in order to strengthen video
Brightness, colourity, synchronizing signal；DVR103, is a set of computer system carrying out image storage process, has to image/voice
Recorded a video for a long time, recorded, the function of remotely monitor and control；Comparator 104, is by an analog voltage signal and one
The circuit that reference voltage compares, the two-way of comparator inputs as analogue signal, and output is then binary signal, works as input voltage
Difference increase or reduce when, its output keep constant, for analog voltage signal is compared with a reference voltage, obtain
Comparative result；ISP processor 101, is additionally operable to the comparative result obtaining according to comparator 104, and HD video is simulated in switching, this
Bright decrease software version compared to existing technology, unified hardware circuit, client and actual test provided convenience,
Optimize Customization demand, agreement coupling can be carried out using COC circuit, the dismounting effectively reducing machine product is complicated
Degree.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term "comprising", " inclusion " or its any other variant are intended to contain
Comprising of lid nonexcludability, wants so that including the process of a factor of system, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, by sentence " include one,,, " key element that limits it is not excluded that
Also there is other identical element in process, method, article, equipment or the device including described key element.
The present invention is switched to the system of simulation HD video, the form of realization is diversified.All the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of system of switching simulation HD video is it is characterised in that include：ISP processor, video algorithms amplifier,
DVR, comparator；
Described ISP processor, is connected with described video algorithms amplifier, described comparator, for front-end image sensor
The signal of output does later stage process；
Described video algorithms amplifier, is respectively connected with described ISP processor, described DVR, for amplification video signal, uses
With the brightness of enhancing video, colourity, synchronizing signal；
Described DVR, be a set of carry out image storage process computer system, have image/voice is recorded a video for a long time,
The function of recording, remotely monitor and control；
Described comparator, is respectively connected with described DVR, described ISP processor, is by an analog voltage signal and a base
The circuit that quasi- voltage compares, the two-way of comparator inputs as analogue signal, and output is then binary signal, when input voltage
When difference increases or reduces, its output keeps constant, for analog voltage signal is compared with a reference voltage, is compared
Relatively result；
Described ISP processor, is additionally operable to the comparative result obtaining according to described comparator, switching simulation HD video.
2. as claimed in claim 1 switching simulation HD video system it is characterised in that the described later stage process, including：Line
Property correction, noise remove, bad point removal, interpolation, white balance, auto-exposure control.
3. the system of switching simulation HD video as claimed in claim 1 is it is characterised in that described video algorithms amplifier,
When transmission of video distance is more than predeterminable range, using the video line in thick line footpath, increase video amplifier in circuit simultaneously
Enhancing signal intensity reaches long-distance transmissions purpose.
4. the system of switching simulation HD video as claimed in claim 1, it is characterised in that described DVR, has gathered video recording
Machine, image splitter, platform-lens control, controlling alarm, five kinds of functions of network transmission are.
5. the system of switching simulation HD video as claimed in claim 1 is it is characterised in that described DVR, including：Hard disk is recorded
Camera, PC formula DVR, built-in hard disk video tape recorder.
6. the system of switching simulation HD video as claimed in claim 1 is it is characterised in that the hardware of described DVR, including：
CPU, internal memory, mainboard, video card, video frequency collection card, cabinet, power supply, hard disk, connection cables.
7. the system of switching simulation HD video as claimed in claim 1 is it is characterised in that HD video is simulated in described switching
System, camera hardware adopts the circuit of COC, software aspects by video frequency output configuration register separate storage, using taking the photograph
Camera and DVR transmit proprietary protocol by COC, and on DVR, a key sends the order of setting camera video output format, shooting
After machine receives the corresponding command, storage described simulation HD video output config option, and Switch Video output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811563.8A CN106385547A (en) | 2016-09-06 | 2016-09-06 | System for switching analog high definition video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811563.8A CN106385547A (en) | 2016-09-06 | 2016-09-06 | System for switching analog high definition video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106385547A true CN106385547A (en) | 2017-02-08 |
Family
ID=57935446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610811563.8A Pending CN106385547A (en) | 2016-09-06 | 2016-09-06 | System for switching analog high definition video |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106385547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465897A (en) * | 2017-09-01 | 2017-12-12 | 珠海安联锐视科技股份有限公司 | A kind of intelligent video recording system and its implementation |
| CN109471668A (en) * | 2018-11-20 | 2019-03-15 | 南方电网科学研究院有限责任公司 | Cross-platform video card firmware translation executes method, apparatus, equipment and readable medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141593A (en) * | 2007-10-16 | 2008-03-12 | 深圳华为通信技术有限公司 | Method for switching TV program and set up box |
| CN102625070A (en) * | 2011-02-01 | 2012-08-01 | 福华电子股份有限公司 | Tuner module capable of inputting analog signal and digital signal simultaneously |
| CN203675226U (en) * | 2013-12-31 | 2014-06-25 | 深圳市科漫达智能管理科技有限公司 | Centralized management system of monitoring camera |
| KR101477220B1 (en) * | 2014-01-20 | 2014-12-29 | (주)매트릭스미디어 | Matrix switching apparatus of digital broadcasting system |
| CN104853078A (en) * | 2015-05-27 | 2015-08-19 | 周毅 | Modular broadcast-level high-definition camera |
| CN204858217U (en) * | 2015-08-24 | 2015-12-09 | 新余市艺百源电子有限公司 | Portable camera connecting wire |
-
2016
- 2016-09-06 CN CN201610811563.8A patent/CN106385547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141593A (en) * | 2007-10-16 | 2008-03-12 | 深圳华为通信技术有限公司 | Method for switching TV program and set up box |
| CN102625070A (en) * | 2011-02-01 | 2012-08-01 | 福华电子股份有限公司 | Tuner module capable of inputting analog signal and digital signal simultaneously |
| CN203675226U (en) * | 2013-12-31 | 2014-06-25 | 深圳市科漫达智能管理科技有限公司 | Centralized management system of monitoring camera |
| KR101477220B1 (en) * | 2014-01-20 | 2014-12-29 | (주)매트릭스미디어 | Matrix switching apparatus of digital broadcasting system |
| CN104853078A (en) * | 2015-05-27 | 2015-08-19 | 周毅 | Modular broadcast-level high-definition camera |
| CN204858217U (en) * | 2015-08-24 | 2015-12-09 | 新余市艺百源电子有限公司 | Portable camera connecting wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465897A (en) * | 2017-09-01 | 2017-12-12 | 珠海安联锐视科技股份有限公司 | A kind of intelligent video recording system and its implementation |
| CN107465897B (en) * | 2017-09-01 | 2018-04-17 | 珠海安联锐视科技股份有限公司 | A kind of intelligence video recording system and its implementation |
| CN109471668A (en) * | 2018-11-20 | 2019-03-15 | 南方电网科学研究院有限责任公司 | Cross-platform video card firmware translation executes method, apparatus, equipment and readable medium |
| CN109471668B (en) * | 2018-11-20 | 2021-11-26 | 南方电网科学研究院有限责任公司 | Cross-platform display card firmware translation execution method, device, equipment and readable medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8269728B2 (en) | System and method for managing media data in a presentation system | |
| CN102572503B (en) | Automatic test system for functions of television set and method thereof | |
| CN201986083U (en) | Device for automatically detecting circuit board | |
| CN100574397C (en) | Broadcast receiver system and device and Poewr control method thereof | |
| KR100654457B1 (en) | Method and apparatus for outputting video signal suitable tv output format | |
| CN102087336B (en) | Method and system for detecting video/audio signal circuit board | |
| US8869214B2 (en) | Device control apparatus, device control method and computer program | |
| CN114071197B (en) | Screen projection data processing method and device | |
| US10805680B2 (en) | Method and device for configuring image mode | |
| CN106385547A (en) | System for switching analog high definition video | |
| CN101193199A (en) | Digital TV slave apparatus awoken/dormant bespeaking system and its method | |
| CN103856771A (en) | Image signal testing method and device | |
| CN205160700U (en) | Look audio frequency recorder with resolution ratio automated inspection and adjustment function | |
| CN109936708B (en) | VGA video switching device, method and system | |
| CN110086999B (en) | Image information feedback method and terminal equipment | |
| CN1980400A (en) | Image capture apparatus and method, recording medium for memorizing program executing the method | |
| CN102378035B (en) | Set top box test method and system thereof | |
| CN110677635B (en) | Data parameter field setting system | |
| CN101610373A (en) | Display unit | |
| CN111083398A (en) | Automatic testing method and system for television, storage medium and electronic equipment | |
| CN101917561A (en) | Method for processing TV nonstandard signal | |
| TWI430653B (en) | Image processing device and image processing method | |
| CN206948485U (en) | A kind of medical nonstandard format video harvester | |
| CN205961259U (en) | USB audio video collecting equipment | |
| CN104378671A (en) | Intelligent television control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |
|
| RJ01 | Rejection of invention patent application after publication |