CN201134892Y - Digital television whole thread monitoring based multi-channel monitoring mainframe platform apparatus - Google Patents
Digital television whole thread monitoring based multi-channel monitoring mainframe platform apparatus Download PDFInfo
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Abstract
A multichannel monitoring host machine platform based on the digital television whole process monitoring comprises a frame type industrial cabinet, a master control module and a business unit module which are arranged in the industrial cabinet, wherein the business unit module is provided with multichannel signal input and output interfaces, the master control module is connected with the business unit module, the business unit module comprises a matrix switching module, a descrambling module, a pass-by module, a bit stream analyzing module, a decoding module and a business control module, wherein the business control module is used for controlling and coordinating the process steps of each functional module, and is communicated with the master control module to realize the function of the whole process monitoring to inputted signals in real-time. The omnidirectional digitization monitoring to digital television programs can be realized through adopting the device.
Description
Technical field
The utility model 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 equipment based on the digital television whole thread monitoring, adopt this equipment to realize omnibearing digital monitoring, monitor and monitoring digital television program.
Background technology
Be accompanied by the continuous development of China's digital TV field, and Digital Television industry pace of progress is obviously accelerated, the propelling of the integral translation of various places cable digital TV, the Digital Television supervision is as Cybersecurity Operation, and the guarantee that program broadcasts transmission quality and the healthy and orderly broadcast of broadcast TV program more and more obtains paying attention to, and has played supervision in the digital television techniques transportation, coordinate, managerial role by rational supervision, can allow Digital Television enter benign cycle.My company's product is at the market demand of this respect, the special release based on Digital Television DVB-C supervisory system platform, AD988 series multichannel monitoring main computer boxes, to digital television program from the RF radiofrequency signal, extend to qam signal, extend to TS stream signal, realize omnibearing digital monitoring to broadcast content again, monitor and monitoring.
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.Universal and the development of Digital Television thereupon, the monitoring of digital television program also becomes the field of paying close attention to.
In the current Digital Television supervisory system, monitoring all exists certain time-delay characteristics and correlation, and the monitoring mode that most equipment provide producer to take is the circulatory monitoring mode, such mode has certain limitation when realizing real-time condition monitoring, the index of the crucial formula of some of Digital Television particularly, except the precision height, also to pay close attention to their some instantaneous property; In the current digital television monitoring, the programme content monitoring scheme that exists mostly is the AV content of piling up behind the decoder decode and monitors, it is huger scattered to finish the monitoring networking, the equipment of the system integration is independent mutually, can't realize system-level networking and unified management, an equipment often can't be finished the monitoring of the whole thread of system.The digital television signal multichannel monitoring host platform that my company releases can be realized the monitoring and the supervision of whole thread, can realize that the Multiple Channel Analysis detection (comprises the RF signal, QAM, vector, TS stream are in real time), information source analysis monitoring, monitoring (PSI/SI, EPG information) is analyzed in data service, and SMS, the professional monitoring of CAS and embedded many pictures monitor, finishes external many picture supervision with third party's cooperation manufacturer is seamless spliced.
The utility model content
The utility model provides a kind of multichannel monitoring host platform equipment based on the digital television whole thread monitoring at defective or deficiency that prior art exists, adopts this equipment to realize omnibearing digital monitoring to digital television program, monitors and monitoring.
The technical solution of the utility model is as follows:
Multichannel monitoring host platform equipment based on the digital television whole thread monitoring, it is characterized in that: comprise rack industry cabinet and be arranged at described industrial cabinet interior main control module and business unit module, described business unit module is provided with multiple signals input and output interface, described main control module and business unit module interconnects; Described business unit module comprises the matrix handover module, descrambling module, the bypass module, the code stream analysis module, decoder module and message control module, described matrix handover module is used for that TS is flow to row matrix and switches, described descrambling module is used for original scrambling TS stream is carried out descrambling, output TS does not have the flow-disturbing of adding, described bypass module makes not by short circuit bypass descrambling module, and scrambling TS flows direct input matrix handover module, described code stream analysis module is used for the TS stream of input is carried out the hardware real-time analysis, described decoder module carries out the audio/video decoding of TS stream, and audio frequency and video output, described message control module is used to control and coordinate the work step of each functional module, and communicate by letter with main control module, to finish to the whole thread of the input signal function of monitoring in real time.
Described multiple signals input comprises 16 road ASI or the input of DVB-C RF radiofrequency signal.
Described matrix handover module adopts the framework of FPGA.
Described decoder module has adopted the ARM9 CPU of standard MPEG1/2 decoder module integrated.
Described message control module adopts CPU to finish control, and the SDRAM of exterior arrangement 16M byte is as the internal memory working region, and the FLASH of 2M byte disposes the I of 32K byte in addition as BOOTLOADER and application storage district
2The E of C access
2PROM is used for storage configuration parameter.
Described main control module also interconnected warning I/O module, media module, audio and video matrix module, USB control forwarding module and embed the processing modules of drawing more.
Described warning I/O module is a core with the embedded MCU of band USB2.0 interface, by the alternately alarm signal of input is handled between the main control module, finishes the physical connection of the 1000M Ethernet of main control module simultaneously.
Described media module provides standard interface, comprises USB interface, RS232 interface, and VGA interface.
Described audio and video matrix module comprises the embedded MCU of band USB2.0 interface.
Technique effect of the present utility model is as follows:
Solve the low problem of traditional scheme integrated level, realized the whole thread monitoring; Incorporate hardware configuration improves system reliability, reduces volume and maintenance, and for rationally, convenient, easy-to-use elastomeric network management system has made up stable hardware platform; But based on the intelligent analysis module parallel processing of hardware asics, realized multiplexer channel in real time, many key issues such as high precision monitor can greatly promote the service quality of monitoring, serve radio and television users better.
Description of drawings
Fig. 1 adopts digital television monitoring system configuration schematic diagram of the present utility model.
Fig. 2 is the circuit structure schematic diagram of the utility model based on the multichannel monitoring host platform equipment of digital television whole thread monitoring.
Fig. 3 is the business unit modular circuit structured flowchart in the utility model.
Embodiment
Delete choosing according to the market survey feedack, and the company experience and the creativity consciousness that in association area, accumulate, in order to realize whole thread, real-time digital television monitoring business, we have released the multichannel monitoring host platform equipment based on the digital television whole thread monitoring.But the unit flexible configuration independently can reach the monitoring business unit of 16 passages, cooperate 1 group of embedded 16 picture processor (built-in, can match), 1 group 16 * 16 audio and video matrix, 1 group of 16 input 16 output alarm triggers array, and 1 group of high-performance main control module is supervised all modules and realized distributed management.
Complete machine adopts standard PC case and the ATCA modularization advanced telecom structural design of 6U based on the design philosophy of telecommunication platform.The business unit module can realize that the RF signal of parallel 16 passages or ASI insert, through the radio frequency analysis module, the QAM analysis module, TS flow analysis module analysis is handled the signal of input, and each service channel is reported to main control module with the analytical information of analysis module simultaneously.TS stream descrambling is supported the DVB-CI standard, supports the binding machine and card function.The built-in decoder of business unit is with TS stream decoding output, can be used as the embedded AV signal source of drawing processor and outside audio and video matrix more, 16 * 16 audio and video matrix module 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 16 groups of analogue AV signaling interfaces.16 inputs, 16 output alarms trigger array for the user provides a remote alarm interface, satisfy the purpose of external control digital VTR, audible-visual annunciator, external control miscellaneous equipment mains switch realization interlock control.Main control module is finished the control to all modules, realizes the purpose of intelligent monitoring, and 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 TS OVER IP function of platform support can satisfy the intelligent acquisition of TS code stream, excavates, and records, transmission, unloading and depth analysis function, business unit can be matched the assembly of supporting TS OVER IP, collaborative third party manufacturer product seamless combination can realize that network draws function more.
Fig. 1 adopts digital television monitoring system configuration of the present utility model.Fig. 1 has indicated the digital television monitoring system architecture after the multichannel based on the digital television whole thread monitoring that adopts us is monitored host platform equipment, finally can realize the RF signal, the QAM signal, the analysis of TS stream, TS OVER IP analyzes and gathers and the monitoring of many video tones video, has mainly described the Peripheral Interface Device application among the figure.
HFC is the abbreviation of Hybrid Fiber-Coax among Fig. 1, be meant the wideband transmit platform that adopts fiber optic transmission system to combine with coaxial cable distribution net, 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 that the asynchronous serial TS that exports flows signal, 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; (
*16) represent that can hold 16 passages works simultaneously; 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; ALARM IN/OUT is an expression warning input/output signal, and LAN represents Ethernet interface; AUDIO/VIDEO represents audio/video interface respectively.
Fig. 2 is the circuit structure of the utility model based on the multichannel monitoring host platform equipment of digital television whole thread monitoring.Fig. 2 has indicated the essential structure of multichannel monitoring host platform, mainly by forming with lower module:
Business unit module: mainly by high frequency TUNER input module, the ASI input module, the matrix switch unit, MHP card core codec and controller unit and code stream analysis module and other peripheral chips are formed, mainly be to realize that the analysis of RF/ASI input signal obtains relevant RF and QAM analyzes the monitoring content, formation standard TS stream, the scramble process that meets the DVB-CI standard for scrambling stream, carry out TS stream decoding output composite video signal and stereo audio signal, simultaneously the TS stream of input is carried out the TR101.290 analysis monitoring of full level, the information that analysis is collected sends to main system control module by UART, support the TS OVER IP of two-way standard simultaneously, can do depth analysis in the rear end and collection is recorded.
Warning I/O module: mainly the embedded MCU with band USB2.0 interface is a core, carry out Treatment Analysis by the mutual alarm signal between the main control module to input, summarizing and reporting, simultaneously can support output alarm signal, linkage external alert equipment and facility are finished the physical connection function of the 1000M Ethernet of main control module simultaneously.
Media module: the various media interfaces of finishing main control module connect, and comprise USB interface, the RS232 interface, and the merit of VGA interface is divided driving.
Audio and video matrix module: mainly finish the bypass output of the audio-video signal of 16 business unit decoding outputs, and export public audio-video signal according to the control command switching matrix of main control module.Finish the embedded MCU of the kernel control chip of switching controls for the band USB2.0 of CYPRESS company interface.
Main control module: mainly realize the master control function of system, be responsible for to coordinate and dispose the work of each functional part, finish configuration management, the interactive maintenance of bearing reticular tube platform with communicate by letter.
USB controls forwarding module: realizes that by USB HUB mode USB changes the function of many HUB port, is responsible for main control module with information communication between professional unit and other modules, and control, mutual physical channel is supported.
Embed the processing modules of drawing: mainly realize the inline processed functions of drawing, be acquisition channel by the video acquisition unit of outside more, realizes the collection of analog video signal, and OSD shows that draw cut apart more, can realize the demonstration of HDTV level more.
ATX power module: adopt standard A TX power supply, produce the various voltages that system works needs, business unit and other unit modules also increase independent power source conversion DC-DC unit and LDO unit, finish the power supply of each unit module, guarantee system works and stable operation.
RF/ASI IN among Fig. 2
*The 16th, expression RF IN
*16 and ASI IN
*16 combination represents that 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, (
*2) be 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.
Fig. 3 is the business unit modular circuit structure in the utility model.Fig. 3 is the business unit module, and it is the nucleus module of whole thread monitoring, mainly is made up of following submodule:
TS OVERIP module: based on the TS stream collecting unit of the embedded MCU of being with the USB2.0 interface, gather TS stream back and export, can be used as TS stream and excavate depth analysis, perhaps third party's application function by USB.
The ASI input module: the mode that adopts input transformer and input physical layer HOTLINK chip to cooperate realizes the input of ASI signal and basic string-and translation function.
ASI signal transformation module: the mode of stone IP module realizes the parallel heavy cartridges of ASI signal among the employing FPGA, and shaping and framing function are for next step application is got ready
RF input module: adopt the method for general tuner to realize that the RF conversion of signals becomes TS stream, and, the power level of signal is gathered by outside ADC unit.
Matrix handover module: adopt the framework of FPGA that TS is flow to the row matrix switching, and output to the transmission of TS OVER IP module
CA descrambling module: according to physical layer and the protocol layer standard of DVB-EN50221, insert the DVB-CI module, original scrambling TS stream is carried out descrambling, output TS does not have the flow-disturbing of adding, the standard that inserts meets the standard of DVB-EN50221, and physical interface adopts the CA deck based on PCMCIA of standard
Bypass module: use DVB-CI module capable of bypass when scrambling TS flows with being made in to import.
TR101.290 code stream analysis module: adopt Programmable ASIC to realize hardware real-time analysis of full level and the AUDIO volume collection analysis function of the TR101.290 of TS stream
The MPEG2 decoder module: adopt CONEXANT company integrated the ARM9 CPU of standard MPEG1/2 decoder module carry out the audio/video decoding of TS stream and audio frequency and video output
Audio peripheral module: finish audio frequency DAC output and power amplification function
Message control module: adopt ARM kernel CPU to finish control, the SDRAM of exterior arrangement 16M byte is as the internal memory working region, and the FLASH of 2M byte disposes the I of 32K byte in addition as BOOTLOADER and application storage district
2The E of C access
2PROM can be used for storage configuration parameter.
Ts stream represents TS stream among Fig. 3, says it is MPEG2-TS exactly, and it is that the basic ES audio-video code stream of packing is carried out transport stream after multi-packaging is handled, is mainly used in the program of real-time transmission; The RF input 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; The ASI input is to be assigned to the input of the coaxial cable signal of the wired digital television broadcasting of carrying of user terminal, adopts the TS of asynchronous serial streamed; ASI output is meant 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; I2C Control represents a kind of based on I
2The bus mode of C two line interfaces control is the control mode of message control module to RF input module and matrix handover module; ALARM IN represents the input signal of reporting to the police; ALARM OUT represents alarm output signal; AUDIO OUT represents the audio signal output interface; Co-ProcessEngine represents the coprocessor engine.HOST BUS represents the local control bus of message control module.
In Fig. 2,16 business unit modules all can be supported RF input or the ASI pattern of the input of DVB-C, after the business unit resume module, decoded audio-video signal outputs to the audio and video matrix module respectively, carry out audio frequency and video analog signal bypass and matrix and switch output, and embed how the picture processing modules are carried out video signal collective in order to the OSD of picture demonstrations more.The signal of input carries out the analysis of whole thread through each analysis module on the business unit module, the result who analyzes initiatively reports or inquires about by the UART interface and is reported to main control module, gathering the back by main control module shows by network management interface, can receive configuration and the management information that webmaster partly issues by the UART interface simultaneously, hardware can be supported ASI output interface output TS stream or USB interface output TS stream simultaneously, but the outgoing position software of TS stream is selected;
The main execution mode of warning IO module is, receives summary information after network management system and the main control module analysis, provides alarm triggering information to the warning output interface, and the on-off type output interface of relay contact can drive dissimilar loads; The warning input interface adopts the input of photoelectricity isolation method, can receive the warning input voltage of wide region, and the IO module of reporting to the police has simultaneously also been carried the physical channel of the 1000M network interface of main control module.
Media module is mainly finished the carrying of main control module Peripheral Interface and is drawn, and mainly comprises the RS232 serial ports, and the merit of USB2.0 interface and VGA display interface is divided driving output, and design has the single channel of collection collection of video signal passage on the hardware simultaneously.The ATX power supply module provides stable working power for system works.
In Fig. 3, provided the block diagram of business unit module, 16 business unit modular structure unanimities, with one of them is example explanation: the business unit module be input as two kinds of aspects, when the ASI signal is imported, the physical layer element of input signal process input, process string-do framing through ASI signal transformation module after also changing to be treated to TS stream signal; When being input as the RF signal of DVB-C, after TUNER input tuner module, the TS stream signal of outputting standard, signal flow is a MPTS stream; This TS stream is input to the matrix handover module of FPGA, the CA descrambling module, and TR101.290 analysis module, and the bypass module, but bypass module dead short circuit CA descrambling module, the processing of several modules is as follows respectively: the CA descrambling module carries out descrambling operation to the TS stream of input, for not adding the flow-disturbing input, not corresponding configuration CA descrambling module, but short circuit bypass module flow TS the matrix handover module that directly turns back to FPGA; The TR101.290 analysis module carries out the complete in real time level TR101.290 of hardware analysis to the TS stream of input; Matrix module can switch original TS stream and the TS stream behind the descrambling, outputing to TS OVER IP interface module or ASI ring outgoing interface module exports, be used as other application, for example the descrambling machine is used and is flowed soft decoding based on the TS of USB media and draw application more, and module can be supported the PID filtered model.The MPEG2 decoder module is the inner integrated stone decoder module of business unit main control processor among Fig. 3, can carry out the PSI/SI information filtering to the standard MPTS stream of input, demultiplexing, and SPTS stream of hardware decoding in real time, the audio frequency and video analog signal that output is corresponding, video analog signal is selected the built-in DAC output composite video signal of main control processor by register.The audio peripheral module of level exists as the circuit of audio frequency DAC conversion and driving power amplifier behind the decoder module, and exportable standard is stereo.Message control module has been finished all master control work of business unit module, and the communication work of homologous ray main control module, comprise and reading and the reporting radio frequency power level information, read and report QAM signal analysis result, read and report lock-out state, read and report the analysis result of TR101.290, read and report the volume analysis result; Control TUNER input module, the matrix handover module, the CA descrambling module, TR101.290 code stream analysis module, the decoder module work of initialization and control MPEG2, coordinating each module work step, finish the function that the whole thread of input signal is monitored in real time, is the brain truster's module in the business unit module.
The utility model has following characteristics based on the multichannel monitoring host platform equipment of digital television whole thread monitoring;
1, realize real-time 16 way word TV signal whole thread monitoring functions, single pass rf signal analysis can be finished in every road, the QAM information analysis, and code stream analysis, audio/video decoding output, the whole thread monitoring function that volume is analyzed is supported the DVB-CI standard; Input can be supported scrambling and not add the flow-disturbing signal that input signal can be DVB-C RF signal or ASI signal
2, the structure of being supported:
1) 16 road ASI or DVB-C RF radiofrequency signal input, the real-time hardware whole thread of parallel 16 passages is analyzed, and adopts the mode of TS OVERIP to realize TS flow depth degree analytic function (PSI/SI analyzes, and EPG analyzes, and MHP analyzes), supports CAS, and SMS monitors professional hardware platform
2) 16 road ASI or DVB-C RF radiofrequency signal input, the real-time hardware whole thread of parallel 16 passages is analyzed, and adopts the mode of TS OVERIP to realize the seamless interfacing with the third party, carries out the TS stream by output and soft many pictures of decoding mode;
3) 16 road ASI or DVB-C RF radiofrequency signal input, the real-time hardware whole thread of parallel 16 passages is analyzed, support local ASI to encircle out the TS stream mode, support local embedded many picture processing modules to finish the OSD of picture more and show (fixed image or circulation image switching pattern are used).
3, the multichannel monitoring host platform equipment based on the digital television whole thread monitoring is that the quality and the content of digitlization television program transmission are carried out the networking supervision, monitoring, analyze, the dedicated platform of reporting to the police, be applicable to wired and Wireless Networks, Inc. of monitoring center, TV station, enterprise, school, digital broadcastings such as intellectual communityintellectualized village monitoring, adopt ATCA telecommunications built-in industrial structural design, provide stabilized platform, but the blade type connect-disconnect structure is convenient to maintenance upgrade, multiple I/O interface satisfies carries out more business, 6RU rack industry cabinet.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore, although this specification has been described in detail the 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 invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection range of the invention patent.
Claims (9)
1. monitor host platform equipment based on the multichannel of digital television whole thread monitoring, it is characterized in that: comprise rack industry cabinet and be arranged at described industrial cabinet interior main control module and business unit module, described business unit module is provided with multiple signals input and output interface, described main control module and business unit module interconnects; Described business unit module comprises the matrix handover module, descrambling module, the bypass module, the code stream analysis module, decoder module and message control module, described matrix handover module is used for that TS is flow to row matrix and switches, described descrambling module is used for original scrambling TS stream is carried out descrambling, output TS does not have the flow-disturbing of adding, described bypass module makes not by short circuit bypass descrambling module, and scrambling TS flows direct input matrix handover module, described code stream analysis module is used for the TS stream of input is carried out the hardware real-time analysis, described decoder module carries out the audio/video decoding of TS stream, and audio frequency and video output, described message control module is used to control and coordinate the work step of each functional module, and communicate by letter with main control module, to finish to the whole thread of the input signal function of monitoring in real time.
2. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 1, it is characterized in that: described multiple signals input comprises 16 road ASI or the input of DVB-C RF radiofrequency signal.
3. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 1, it is characterized in that: described matrix handover module adopts the framework of FPGA.
4. the multichannel monitoring host platform equipment based on digital television whole thread monitoring according to claim 1 is characterized in that: described decoder module has adopted the ARM9 CPU of standard MPEG1/2 decoder module integrated.
5. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 1, it is characterized in that: described message control module adopts CPU to finish control, the SDRAM of exterior arrangement 16M byte is as the internal memory working region, the FLASH of 2M byte disposes the I of 32K byte in addition as BOOTLOADER and application storage district
2The E of C access
2PROM is used for storage configuration parameter.
6. the multichannel monitoring host platform equipment based on digital television whole thread monitoring according to claim 1 is characterized in that: described main control module also interconnected warning I/O module, media module, audio and video matrix module, USB control forwarding module and embed the processing modules of drawing more.
7. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 6, it is characterized in that: described warning I/O module is a core with the embedded MCU of band USB2.0 interface, by the alternately alarm signal of input is handled between the main control module, finish the physical connection of the 1000M Ethernet of main control module simultaneously.
8. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 6, it is characterized in that: described media module provides standard interface, comprises USB interface, RS232 interface, and VGA interface.
9. the multichannel monitoring host platform equipment based on the digital television whole thread monitoring according to claim 6, it is characterized in that: described audio and video matrix module comprises the embedded MCU of band USB2.0 interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200784038U CN201134892Y (en) | 2008-01-02 | 2008-01-02 | Digital television whole thread monitoring based multi-channel monitoring mainframe platform apparatus |
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| CNU2008200784038U CN201134892Y (en) | 2008-01-02 | 2008-01-02 | Digital television whole thread monitoring based multi-channel monitoring mainframe platform apparatus |
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| CN201134892Y true CN201134892Y (en) | 2008-10-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238413A (en) * | 2011-06-02 | 2011-11-09 | 上海风格信息技术有限公司 | High-reliability asynchronous serial interface (ASI) signal switching equipment and ASI signal failure delay judgment method |
| CN112887783A (en) * | 2021-01-22 | 2021-06-01 | 广州视源电子科技股份有限公司 | Recording method, recording device, processor and electronic equipment of ATV code stream |
-
2008
- 2008-01-02 CN CNU2008200784038U patent/CN201134892Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238413A (en) * | 2011-06-02 | 2011-11-09 | 上海风格信息技术有限公司 | High-reliability asynchronous serial interface (ASI) signal switching equipment and ASI signal failure delay judgment method |
| CN102238413B (en) * | 2011-06-02 | 2013-06-12 | 上海风格信息技术股份有限公司 | High-reliability asynchronous serial interface (ASI) signal switching equipment and ASI signal failure delay judgment method |
| CN112887783A (en) * | 2021-01-22 | 2021-06-01 | 广州视源电子科技股份有限公司 | Recording method, recording device, processor and electronic equipment of ATV code stream |
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