CN102647585A - Universal high definition (HD) video signal collecting and coding device and data transmission method - Google Patents
Universal high definition (HD) video signal collecting and coding device and data transmission method Download PDFInfo
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- CN102647585A CN102647585A CN2012101343512A CN201210134351A CN102647585A CN 102647585 A CN102647585 A CN 102647585A CN 2012101343512 A CN2012101343512 A CN 2012101343512A CN 201210134351 A CN201210134351 A CN 201210134351A CN 102647585 A CN102647585 A CN 102647585A
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Abstract
The invention relates to process of HD video signals, in particular to the process with presence of a plurality of different HD video signals, a transmission device and a method. The HD video signal collecting and coding device comprises a front processing portion and a rear processing portion. The front processing portion is composed of a data collector, a processor and a coder, wherein various information source decoders and IP collectors are integrated in the data collector, and the IP collectors are used for collecting the IP addresses of the information sources; the processors distribute corresponding the information source decoders according to the IP addresses; the coder compiles after decoding of the information source decoders; files are compiled and compressed according to the IP communications protocol standard, the data are transmitted out through a network cable, and the corresponding rear processing portion is arranged at the other end of the network cable. According to the universal HD video signal collecting and coding device and the data transmission method, transmission of all the information is achieved by one standard network cable when the plurality of video signals are transmitted.
Description
Technical field
The present invention relates to a kind of processing of high-definition video signal, specially refer to the processing and the transmission equipment of the condition that multiple different high-frequency signal coexists.
The invention still further relates to a kind of transmission method of high-definition video signal, particularly the method that transmits simultaneously of one kind of multiple unlike signals.
Background technology
In large-scale supervisory control system; Monitor staff's control man-machine interface is exactly digital large scale display wall, and the signal that need on the digital large-screen of monitoring, show has: long-range high definition IP digital video frequency flow, local composite video signal, local simulation computer rgb signal, local digital computer DVI signal, local high-definition video signal.Traditional mode is to adopt various private cables to transmit signals to the picture signal Acquisition Processor, and then upward shows on the digital large scale display wall.But the drawback of this traditional approach is that the signal cable kind is many, and wiring is complicated, and a lot of problems just go out here.The producer that few countries (U.S.) is arranged in the world; Adopt a kind of topological structure that is similar to hub and switch, invented the system of a kind of proprietary signals collecting, compression, transmission, decompress(ion), adopt six types of ethernet lines to divide port processing the vision signal of various different-formats; Compression then; Transmission decompresses, and very complicated cable is simplified to netting twine.But because the nonstandardized technique of this product makes that sales volume is very little.
Particularly present, supervisory control system more and more in, the mutual switch technology of various signals is more and more ripe, this also provides certain convenience for our development.For example, when there is multiple situation in external information, adopted different transmission meanss in the prior art respectively; Different transmission standards, analog signal, digital signal, HD video, SD video or the like; Is furnished with different access devices accordingly in our supervisory control system like this, output equipment, the equipment of big size; The line style that length is different, the connector that style is complete, superb and consummate wiring technology; Also some technician is with the wiring technology of oneself; How superb of reorganization technology and taking pride in; So, technical development is to today, will we also live in such complicacy " lines " environment? Have and do not have a kind of way; Can simplify these mode of connections, reduce the mode of connection of these information set mid points such as machine room, terminal, Control Room? This is the emphasis place of our this invention.
Summary of the invention
First technical problem to be solved by this invention provides a kind of omnipotent high resolution video signal collective encoding device, when the various video signal transmits simultaneously, only with the netting twine of a standard, just can accomplish all transmission of Information.
For accomplishing the foregoing invention purpose; The present invention realizes like this; A kind of omnipotent high resolution video signal collective encoding device is characterized in that: it comprises front-end processing part and back-end processing part, and described front-end processing part is by data acquisition unit, processor; Encoder constitutes, integrated various information source decoders and IP collector in the described data acquisition unit; Described IP collector is used for the Information Monitoring source IP address; Said processor is according to IP address assignment corresponding information source decoder; By compiling by encoder behind the information source decoder decode; IP network transport protocol standard compiling compressed file is adopted in compiling, picks out through netting twine, is provided with corresponding back-end processing part at the other end of netting twine.The completion of this patent will judge that at first the information that transmits transmits, and transfers to corresponding encoder with it then and compiles, because different signal sources under which IP address; He is compiled into their used mode of Ethernet information is different, therefore, at first will confirm corresponding information source, secondly; After the compiling, all information are all the same, and we will consider reduction later on, are transferred to corresponding position etc.; Therefore, also to mark accordingly, so that be utilized during also source afterwards.After said method and equipment completion compiling, all information is by unitized, and they can transmit under same standard, therefore at this moment can remove to replace numerous holding wires through a netting twine.
Technique scheme is done further to limit, and described IP network transport protocol standard is the Ethernet transport protocol standard.Described data acquisition unit also comprises data separation module and AD modular converter, and described data separation module is at first distinguished the attribute of the information transmit, and the determination number modular form through AD modular converter conversion positive digital signal, is passed to the IP collector again.For standardization more, we adopt the Ethernet transport protocol standard, and data separation module, its main purpose are in order to distinguish data source, and the difference of data source has determined the encoder that they are used.The difference of data source has determined whether they carry out the AD modulus of conversion, if analog information is arranged then at first carry out AD conversion, and then compiles.
Technique scheme is done further to improve, and described rear end part is made up of a compiling compression decoder, and said compiling compression decoder comprises processor, IP distribution module, data restoring module; Be solidified with and compile corresponding decoder on the described data restoring module; Described IP distribution module at first obtains data, decomposites the IP address, transmit according to the address that data give data designated reduction number module by IP ground distribution module with the compiling corresponding decoder.It is above-mentioned that we mention the compiling of data; In order to remove to change display device on a large scale; Therefore we utilize coding and decoding just to transmit, and behind the end of transmission, also will go reduction; Reduction is accomplished through the compiling compression decoder, and described Code-decoder also will go to distinguish different trends or utilize different anti-programmings to reduce etc. through corresponding IP address.
Connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port.After reduction of data, through the switch completion of Ethernet and being connected of distinct device; Accomplish this point, the ether wet end must have corresponding data source distributor, thereby could accomplish the directional transmissions of data.
This patent second problem to be solved is: utilize the intact various video signal of the said equipment with the single bus transmission of depositing.
Be to accomplish the foregoing invention purpose, the present invention is achieved in that at first with the import of some grounding fore-ends, data flow is through data acquisition unit; Extract corresponding IP address, image data is streamed, selects whether to carry out the AD conversion; Uniform data stream; Compile, be compiled into the IP network transport protocol standard, the form of data flow through a polar net line transferred out;
Secondly, after rearward end is received data flow, at first be to extract data source, let recovery module with reduction of data, carry out IP address assignment according to the IP address of extracting, be assigned in the corresponding data channel.
Utilize such scheme, just can reach and use single line, under standard agreement, accomplish the transmission of data, and this scheme can realize the transmission of long distance,, can be implemented in and appoint a local directly browsing data because adopted with the IP network transport protocol standard.
Technique scheme is done further to improve, connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
For better explanation this patent characteristics, below in conjunction with accompanying drawing patent is done further description,
A kind of omnipotent high resolution video signal collective encoding device; It is characterized in that: it comprises front-end processing part and back-end processing part; Described front-end processing part is by data acquisition unit 2, processor; Encoder 3 constitutes integrated various information source decoders and IP collector in the described data acquisition unit; Described IP collector is used for the Information Monitoring source IP address; Said processor is according to IP address assignment corresponding information source decoder; By compiling by encoder behind the information source decoder decode; IP network transport protocol standard compiling compressed file is adopted in compiling, and described IP network transport protocol standard is the Ethernet transport protocol standard.Described data acquisition unit 2 also comprises data separation module and AD modular converter, and described data separation module is at first distinguished the attribute of the information transmit, and the determination number modular form through AD modular converter conversion positive digital signal, is passed to the IP collector again.Pick out through netting twine, be provided with corresponding back-end processing part at the other end of netting twine.Described rear end part is made up of a compiling compression decoder, and said compiling compression decoder comprises processor, IP distribution module, data restoring module; Be solidified with and compile corresponding decoder on the described data restoring module; Described IP distribution module at first obtains data, decomposites the IP address, transmit according to the address that data give data designated reduction number module by IP ground distribution module with the compiling corresponding decoder.Connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port.
Utilize said apparatus, its internal work method is the import that at first some ends of incoming cables 1 is connect fore-end, and data flow is through data acquisition unit; Extract corresponding IP address, image data is streamed, selects whether to carry out the AD conversion; Uniform data stream; Compile, be compiled into the IP network transport protocol standard, the form of data flow through a polar net line transferred out; Secondly, after rearward end is received data flow, at first be to extract data source, let recovery module with reduction of data, carry out IP address assignment according to the IP address of extracting, be assigned in the corresponding data channel; Connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port, connect different external equipments.
With greatly standardization and the transmission of simplifying digital video signal, solve the problem of original distant signal transmission attenuation, and the cable of transmission is oversimplified, as long as twisted-pair feeder and Ethernet are just passable.
Cooperate decoding device and Ethernet switch, can uniformly various long-range high definition IP digital video frequency flows, local composite video signal, local simulation computer rgb signal, local digital computer DVI signal, local high-definition video signal be decoded into the digital DVI-D vision signal of consolidation form.
Claims (7)
1. omnipotent high resolution video signal collective encoding device; It is characterized in that: it comprises front-end processing part and back-end processing part; Described front-end processing part is by data acquisition unit, processor; Encoder constitutes, integrated various information source decoders and IP collector in the described data acquisition unit; Described IP collector is used for the Information Monitoring source IP address; Said processor is according to IP address assignment corresponding information source decoder; By compiling by encoder behind the information source decoder decode; IP network transport protocol standard compiling compressed file is adopted in compiling, picks out through netting twine, is provided with corresponding back-end processing part at the other end of netting twine.
2. a kind of omnipotent high resolution video signal collective encoding device according to claim 1, it is characterized in that: described IP network transport protocol standard is the Ethernet transport protocol standard.
3. a kind of omnipotent high resolution video signal collective encoding device according to claim 1; It is characterized in that: described data acquisition unit also comprises data separation module and AD modular converter; Described data separation module is at first distinguished the attribute of the information transmit, determination number modular form; Through AD modular converter conversion positive digital signal, pass to the IP collector again.
4. a kind of omnipotent high resolution video signal collective encoding device according to claim 1; It is characterized in that: described rear end part is made up of a compiling compression decoder; Said compiling compression decoder comprises processor, IP distribution module, data restoring module; Be solidified with and compile corresponding decoder on the described data restoring module; Described IP distribution module at first obtains data, decomposites the IP address, transmit according to the address that data give data designated reduction number module by IP ground distribution module with the compiling corresponding decoder.
5. a kind of omnipotent high resolution video signal collective encoding device according to claim 1 is characterized in that: connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port.
6. method of utilizing omnipotent high resolution video signal collective encoding device data streams, it is characterized in that: at first with the import of some grounding fore-ends, data flow is through data acquisition unit; Extract corresponding IP address, image data is streamed, selects whether to carry out the AD conversion; Uniform data stream; Compile, be compiled into the IP network transport protocol standard, the form of data flow through a polar net line transferred out;
Secondly, after rearward end is received data flow, at first be to extract data source, let recovery module with reduction of data, carry out IP address assignment according to the IP address of extracting, be assigned in the corresponding data channel.
7. the method for utilizing omnipotent high resolution video signal collective encoding device data streams according to claim 6 is characterized in that: connect Ethernet switch again at rear end part; Be provided with the data source distributor in the said Ethernet switch, different data sources is assigned to different port.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103269422A (en) * | 2013-04-26 | 2013-08-28 | 广州德浩科视电子科技有限公司 | Video signal transmission equipment and video signal transmission method |
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| CN101119166A (en) * | 2006-07-31 | 2008-02-06 | 北京凯诚高清电子技术有限公司 | Multiplex real-time network monitoring method and apparatus |
| CN201557207U (en) * | 2009-07-23 | 2010-08-18 | 广州中长康达信息技术有限公司 | Video encoder |
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Application publication date: 20120822 |