CN101184207B - Digital television whole thread monitoring based multi-channel monitoring mainframe platform - Google Patents
Digital television whole thread monitoring based multi-channel monitoring mainframe platform Download PDFInfo
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Abstract
The invention provides a multi-channel monitoring mainframe platform based on the whole-thread monitoring of the digital television, comprising a BOTTOM base; the BOTTOM base comprises a BOTTOM base plate and a MHP core plate. A FPGA signal processing module is arranged on the base plate. The FPGA signal processing module is divided into three channels after framing processing of the input signals: the first channel is directly transmitted by the interface to the FPGA module of the core plate to operate TS stream analysis; the second channel is transmitted to the descrambling module to descramble, and the third channel is transmitted to the TS stream recording unit of the base to operate TS stream recording. The invention has an advantage of omnibearing digital monitoring of the digital television programs.
Description
Technical field
The present invention relates to the front end monitoring equipment of radio, TV and film industries digital broadcast television net, particularly a kind of multichannel monitoring host platform based on the digital television whole thread monitoring, adopt this equipment to realize omnibearing digital monitoring, monitor and monitoring digital television program.
Background technology
The Digital Television of China begins to take shape through high speed development in a few years, in recent years with the digitlization of round Realization TV programme, for the digital television techniques that promotes China and the development of industry, SARFT(The State Administration of Radio and Television) also accelerated to advance the whole conversion work of China's cable television digital broadcasting (DVB) at these several years.
Because the commercial operation of China's Digital Television is at the early-stage, it is inner that all business activities in the Digital Television operation almost completely are enclosed in service side, various places, lacks the transparency, and program side, transmission side tend to take conservative strategy when the supply program is given service side.The Digital Television operation does not also form a good interaction between program side-transmission side-service side-user.Build the cable digital TV supervising platform and will help China's Digital Television overall development, the AD988 series of products of BVCOM company just in time meet this platform requirement.
China includes the radio, film and television digitlization in plan for national economic and social development, includes national cultural development outline and national information infrastructure construction planning in, includes national medium-term and long-term science and technology development planning in.Since 2004, the Equipment Market of digital broadcasting and TV entered period of expansion fast, and by 2008, digital high-definition television main cities was at home popularized commercial the broadcast, will welcome the high-tide period of digital broadcasting and TV market development.
The supervision of Digital Television more and more is subject to people's attention as the safe operation of network, the guarantee that program broadcasts transmission quality and the healthy and orderly broadcast of broadcast TV program, and this series products scarce capacity of existing market.Our AD988 series monitoring main frame is the equipment that solves this type of problem specially: this product is that the quality of digitlization television program transmission and content are carried out real time monitoring, monitoring, analyze, the special equipment of warning usefulness, be applicable to wired and Wireless Networks, Inc. of monitoring center, TV station, enterprise, school, the digital broadcasting monitoring system of intellectual communityintellectualized village etc., can be to radiofrequency signal, modulation signal, the TS code stream, TS adds flow-disturbing, the MPEG compressed signal carries out the analysis monitoring of system, and the signal that it receives decoded, descrambling supervises and supervises by network remote by the demonstration of HDTV high definition multiple images.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of multichannel monitoring host platform based on the digital television whole thread monitoring is provided, adopt this equipment to realize omnibearing digital monitoring, monitor and monitoring digital television program.
Technical scheme of the present invention is as follows:
Multichannel monitoring host platform based on the digital television whole thread monitoring, comprise the BOTTOM base plate, described BOTTOM base plate comprises BOTTOM substrate and MHP core board, described substrate is provided with the FPGA signal processing module, 1 pair of digital transport stream of FPGA (Field Programmable Gate Array) control carries out early stage to be handled, through the descrambling kilocalorie, lesser calorie carries out descrambling, signal behind the descrambling is leaded up to FPGA (Field Programmable Gate Array) control 2 and is input to the digital transport stream acquisition module, being sent to network by the digital transport stream acquisition module watches or is sent to the TS stream recording elements realization TS stream of base plate and record to realize network remote, decode via FPGA (Field Programmable Gate Array) control 2 and multimedia home platform in another road, FPGA (Field Programmable Gate Array) control 2 and multimedia home platform carry out code stream analysis to signal simultaneously and report to the police and handle; Output was used for the user after decoded video one road inserted video switching matrix, and many pictures acquisition system is inserted on another road, monitored to realize many pictures.
Described substrate is the signal input of compatible with DVB-C, DVB-S and ASI at least.
Described TS stream is recorded records the result and delivers to industrial computer by USB2.0 by backplane interface and be for further processing.
Described MHP core board is connected on the BOTTOM base plate by two IDC sockets in the mode of MHP module card, finishes standalone feature, and described standalone feature comprises the function of digital television receiver at least, demultiplexing, parsing PSI information and audio/video decoding function.
Dispose the IIC memory of system parameters storage on the described MHP module card, be used to realize the power down hold function of key parameter.
All modules exchange by passive backplane, and each functional module independent operating is not separately disturbed mutually; Physical size is a 6RU industry cabinet, totally 12 blade templates, and each module can plug replacing easily; Complete machine has 16 groups of RF collection analysises, QAM demodulation analysis, TS code stream collection analysis, DVB descrambling, mpeg decode module, the media gateway of 2 groups of 400Mb disposal abilities (MGW), 1 group 16 * 16 audio and video matrix, go into 16 for 1 group 16 and go out to report to the police to trigger array, 1 group of high-performance main control module is supervised all modules and is realized distributed management.
Technique effect of the present invention is as follows:
Multichannel monitoring host platform based on digital television whole thread monitoring of the present invention is for safe operation, the program of digital TV network broadcasts transmission quality and the healthy and orderly broadcast of broadcast TV program provides powerful guarantee.
Description of drawings
Fig. 1 is the basic operation platform framework that radio, TV and film industries operator adopts.
Fig. 2 is essential structure and a controlling models of implementing AD988 series monitoring main frame of the present invention.
Fig. 3 is the hardware block diagram that the present invention is based on the multichannel monitoring host platform of digital television whole thread monitoring.
Embodiment
AD988 series multichannel supervision main frame is primarily aimed at the special equipment of DVB-C supervisory system customization, mainly finishes monitoring, monitoring DVB-C information source, the various data messages of channel, media business.Radio frequency, QAM, all information of TS code stream that AD988B can insert ASI or gather the DVB-C channel realize deploying troops on garrison duty processing by " expert's analysis of strategies " technology, realize the purpose of monitoring, monitoring.TS code stream after collection and the demodulation is exported by mpeg decoder decoding and demonstration by DVB-CI kilocalorie descrambling again, can realize local record or telemonitoring by the H.264 transcoder of DAUTO company special use, can certainly adopt other H.264 transcoder.Exclusive " TS digging technology " can be realized the automatic processing of 512 PID, satisfies professional collection such as DVB, MHP, monitoring, analysis, transmission, storage or the like function, can certainly adopt other TS digging technology.Exclusive TS over IP, Video over IP technology satisfy the miscellaneous service that the user carries out IP based network, can certainly adopt other TS over IP, Video over IP technology.Therefore, the multichannel monitoring host platform that the present invention is based on the digital television whole thread monitoring can be achieved as follows function: TS code stream collection storage, video content monitoring, TS code stream depth analysis, functions such as IPTV business monitoring.Simultaneously, also having various versatile interfaces to satisfy the user carries out more and activates business.
Fig. 1 is the basic operation platform framework that radio, TV and film industries operator adopts.As shown in Figure 1, basic operation platform framework comprises data center, supervision center and the front end that connects by the IP/LAN network.Data center comprises AV multimedia database (AV media library), data management database and personal management database.Supervision center comprises supervision, monitoring, monitoring, topological sum management.Front end comprises 3 monitoring main frames.
Fig. 2 is essential structure and a controlling models of implementing AD988 series monitoring main frame of the present invention.As shown in Figure 2, AD988 series monitoring main frame is the monitoring main frame of 16 passages, can be simultaneously to the signal of 16 tunnel program source monitor, monitoring, descrambling, analysis and warning.
After program source inserts the monitoring main frame, at first be demodulated into digital transport stream through digital TV tuner, carrying out early stage by FPGA (Field Programmable Gate Array) control 1 handles, through the descrambling kilocalorie, lesser calorie carries out descrambling, signal behind the descrambling is leaded up to FPGA (Field Programmable Gate Array) control 2 and is input to the digital transport stream acquisition module, being sent to network by the digital transport stream acquisition module records to realize network remote and watch or to realize TS stream, decode via FPGA (Field Programmable Gate Array) control 2 and multimedia home platform in another road, FPGA (Field Programmable Gate Array) control 2 and multimedia home platform carry out code stream analysis to signal simultaneously and report to the police and handle; Output was used for the user after decoded video one road inserted video switching matrix, and many pictures acquisition system is inserted on another road, monitored to realize many pictures.
The user can manage 16 passages of monitoring main frame by the elastomeric network management software, warning is monitored, analyzes, produced to the elastomeric network management software in real time to the digital transport stream that the monitoring main frame inserts, thereby provide sound assurance for the Digital Television safe operation.
RF/ASI IN*16 is that the combination of representing RF IN*16 and ASI IN*16 is represented among Fig. 3, wherein RF IN is the radiofrequency signal input that is assigned to the wired digital television broadcasting of carrying of user terminal after the hfc plant process primary transmission, and professional and data are carried on the radiofrequency signal of different frequent points in the mode that QAM modulates; ASI IN is the coaxial cable signal input that is assigned to the wired digital television broadcasting of carrying of user terminal, adopts the TS of asynchronous serial streamed; ASI OUT refers to the asynchronous serial TS stream signal of business unit module output, is carried on the coaxial cable; TS OVER IP represents that TS stream is carried on network with certain universal property and the form on the agreement, and this media can be Ethernet or usb bus, adopts the usb bus interface on the monitoring platform of AD988; ALARM IN represents the input signal of reporting to the police; ALARM OUT represents alarm output signal; 1000M Network represents the 1000M ethernet network interface; VIDEO represents video signal interface, and the video signal interface of AD988 monitoring platform is a composite video interface; AUDIO represents audio signal interface; COMAUDIO/VIDEO represents the public audio/video signal of audio and video matrix module switching output; USB represents that main control module is connected to media module, connects the usb bus interface that by media module again, can be used for based on the human-computer interaction device of usb bus structure and agreement and the access of memory device, and (* 2) are expressed as two USB general purpose interface bus; (* 16) expression can be held 16 passages; RS232 represents the communication interface based on RS232 industrial communication bus; The VGA interface also is the D-Sub interface, and 15 needle interfaces of standard are exactly the interface of output analog signal on the video card, and it is connected to media module by main control module, provides standard interface by media module then; UART represents the generic asynchronous serial bus interface; The usb bus that is connected to USB control forwarding module is the USB interface that is connected by main control module, is converted to a plurality of UART interfaces in USB control forwarding module, is used for visit and control to each submodule unit of system; PCI is the abbreviation of Peripheral ComponentInterconnect (Peripheral Component Interconnect standard), and it is a kind of interface widely.On structure, PCI is the one-level bus of inserting between CPU and original system bus, and specifically by the management of a bridgt circuit realization to this one deck, and the interface between realizing up and down is with the transmission of coordination data.Manager provides signal damping, makes it to support multiple peripheral hardware, and can keep high-performance under high clock frequency, and its operating frequency is 33MHz/66MHz.In the monitoring platform of AD988, embedding many picture processing modules is the PCI groove inside that is inserted into main control module in the mode of pci card.
AD988 series multichannel supervision main frame is based on the design philosophy of telecommunication platform, complete machine adopts ATCA (advanced telecom computer configuation), promptly adopt many CPU+ASIC designs, each functional module independent operating is not separately disturbed mutually, and all modules exchange by passive backplane.Physical size is a 6RU industry cabinet, totally 12 blade templates, and each module can plug replacing easily.Complete machine has 16 groups of RF collection analysises, QAM demodulation analysis, TS code stream collection analysis, DVB descrambling, mpeg decode module, the media gateway of 2 groups of 400Mb disposal abilities (MGW), 1 group 16 * 16 audio and video matrix, go into 16 for 1 group 16 and go out to report to the police to trigger array, 1 group of high-performance main control module is supervised all modules and is realized distributed management.Wherein the radiofrequency signal collection adopts 16 ADC of high accuracy to ensure 0.1 grade collection requirement.QAM analyzes and adopts the straight conditioning technology of IF, and related data is by " soft radio analysis technology " analyzing and processing, and function can realize by " soft upgrading ".The TS code stream analysis satisfies the TR101.290 standard, and processing method is different from other manufacturer software analysis, adopts ASIC (special chip) to handle, and processing speed is quick and accurate.TS code stream descrambling meets the DVB-CI standard, supports the binding machine and card function.Mpeg decoder is supported the MPEG1/2 decoding, and audio-video interface has simulation and the output of digital dual mode.Media gateway (MGW) adopts High Performance DSP (Digital Signal Processing)+ASIC combination, realizes TS code stream intelligent acquisition, excavation, transmission, unloading, functions such as the route of mpeg signal, transmission.16 * 16 audio and video matrix satisfies equipment such as external audio frequency and video video recording, audio frequency and video supervision, audio-video frequency content monitoring for the user provides an analogue AV signaling interface.16 go into 16 goes out to report to the police to trigger array for the user provides a remote alarm interface, satisfies the purpose of external control digital VTR, audible-visual annunciator, external control miscellaneous equipment mains switch realization interlock control.The high-performance main control module adopts the CPU+ASIC combination, mainly finish all modules of control, realize the purpose of intelligent monitoring, embedded QOS (service quality) ensures the orderly function that each is professional, and embedded network management unit can be realized Remote Management of Network by IP network.
The multichannel monitoring host platform that the present invention is based on the digital television whole thread monitoring has following characteristics:
The design of ATCA carrier class structural module, many, the highly reliable maintenances of function are very convenient.
16 passage RF gather, monitoring function, support frequency, frequency deviation, level, carry make an uproar, analysis project such as losing lock.
16 passage QAM gather, monitoring function, support analysis projects such as MER, EVM, BER, vector.
16 passage TS code streams are gathered, monitoring function, support analysis projects such as TR101.290.
16 passage TS code stream descrambling functions are supported the DVB-CI standard.
16 passage MPEG1/2 decoding functions are supported the output of simulation and digital AV signal.
400Mb flow TS gathers, excavates function, supports 512 PID intelligence traps, satisfies and carries out professional analysis project such as DVB, MHP, and the user also can carry out analyze professional " masterplate operations " by this function more.
400Mb flow medium gateway function is supported TS over IP, Video over IP function, satisfy carry out the collection of TS code stream, record, depth analysis, video content identification or the like.
The 16x16 audio and video matrix satisfies functions such as external video recording, supervision, content monitoring.
16 go into 16 goes out warning triggering array, satisfies the purpose of external control digital VTR, audible-visual annunciator, external control miscellaneous equipment mains switch realization interlock control.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.Therefore, although this specification has been described in detail the present invention with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the protection range of patent of the present invention.
Claims (5)
1. monitor host platform based on the multichannel of digital television whole thread monitoring, comprise the BOTTOM base plate, described BOTTOM base plate comprises BOTTOM substrate and MHP core board, described substrate is provided with the FPGA signal processing module, 1 pair of digital transport stream of FPGA (Field Programmable Gate Array) control carries out early stage to be handled, through the descrambling kilocalorie, lesser calorie carries out descrambling, signal behind the descrambling is leaded up to FPGA (Field Programmable Gate Array) control 2 and is input to the digital transport stream acquisition module, being sent to network by the digital transport stream acquisition module watches or is sent to the TS stream recording elements realization TS stream of base plate and record to realize network remote, decode via FPGA (Field Programmable Gate Array) control 2 and multimedia home platform in another road, FPGA (Field Programmable Gate Array) control 2 and multimedia home platform carry out code stream analysis to signal simultaneously and report to the police and handle; Output was used for the user after decoded video one road inserted video switching matrix, and many pictures acquisition system is inserted on another road, monitored to realize many pictures.
2. the multichannel monitoring host platform based on digital television whole thread monitoring according to claim 1 is characterized in that: described substrate is the signal input of compatible with DVB-C, DVB-S and ASI at least.
3. the multichannel monitoring host platform based on digital television whole thread monitoring according to claim 1 is characterized in that: described TS stream is recorded records the result and delivers to industrial computer by USB2.0 by backplane interface and be for further processing.
4. the multichannel monitoring host platform based on the digital television whole thread monitoring according to claim 1, it is characterized in that: described MHP core board is connected on the BOTTOM base plate by two IDC sockets in the mode of MHP module card, finish standalone feature, described standalone feature comprises the function of digital television receiver at least, demultiplexing, parsing PSI information and audio/video decoding function.
5. the multichannel monitoring host platform based on the digital television whole thread monitoring according to claim 4 is characterized in that: dispose the IIC memory of system parameters storage on the described MHP module card, be used to realize the power down hold function of key parameter.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101521549B (en) * | 2008-12-22 | 2011-09-21 | 赵照 | Digital television monitoring method based on multiplex multimedia gateway |
| CN102014294A (en) * | 2010-10-25 | 2011-04-13 | 福建新大陆通信科技股份有限公司 | Method for realizing high-definition hand-hold multi-functional digital video broadcasting-cable (DVB-C) detector |
| CN102421022B (en) * | 2011-09-29 | 2013-08-14 | 上海风格信息技术股份有限公司 | Multipath digital television descrambling interface chip and digital television signal monitoring equipment |
| CN102790904A (en) * | 2012-08-14 | 2012-11-21 | 合肥鹏翔软件科技有限公司 | Integrated multi-picture digital video monitoring method and system |
| CN103780924B (en) * | 2012-10-26 | 2017-12-05 | 合肥康东福双信息科技有限公司 | Self-adapting intelligent television synchronous broadcasts monitoring system under the conditions of dynamic deferred |
| CN103281586B (en) * | 2013-05-15 | 2016-01-06 | 广州汉邮通信有限公司 | Real-time Monitoring System of DVB-C TV Signal |
| CN110087101B (en) * | 2018-01-25 | 2022-01-21 | 北京市博汇科技股份有限公司 | Interactive video quality monitoring method and device |
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