CN202841400U - Multi-source radio television broadcast program monitoring equipment and system - Google Patents
Multi-source radio television broadcast program monitoring equipment and system Download PDFInfo
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- CN202841400U CN202841400U CN2012202748615U CN201220274861U CN202841400U CN 202841400 U CN202841400 U CN 202841400U CN 2012202748615 U CN2012202748615 U CN 2012202748615U CN 201220274861 U CN201220274861 U CN 201220274861U CN 202841400 U CN202841400 U CN 202841400U
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Abstract
The utility model relates to a multi-source radio television broadcast program monitoring equipment and a system. The multi-source radio television broadcast program monitoring equipment comprises a wired digital television monitoring card which is connected with wired digital television signals through signal wire, a ground digital television monitoring card which is connected with ground digital television signals through signal wire, a CMMB monitoring card receiving CMMB signals, a wired simulation television monitoring card which is connected with wired simulation television signals through signal wire, a frequency modulation radio monitoring card receiving frequency modulation radio signals, and a transcoding control card which is respectively connected with the wired digital television monitoring card, the ground digital television monitoring card, the CMMB monitoring card, the wired simulation television monitoring card and the frequency modulation radio monitoring card, controls demodulation and descrambling of signals correspondingly received by the wired digital television monitoring card, the ground digital television monitoring card, the CMMB monitoring card, the wired simulation television monitoring card and the frequency modulation radio monitoring card, and transmits the descrambled signals after demultiplexing to a front-end monitoring host computer.
Description
Technical field
The utility model is about broadcast television technique, particularly about a kind of multi-source radio and television broadcast items monitoring equipment and system.
Background technology
Strengthening the radio and television supervision is that China's radio, film and television lead correctly and the important guarantee of cultural security.But in the prior art broadcast TV program of the plurality of information resources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting there are not unified management and planning, there is unified difficulty of supervising, can not well cooperates the demand for development of triple play technology.
How the broadcast TV program with plurality of information resources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting carries out unified supervision, has become current problem demanding prompt solution.
The utility model content
The utility model provides a kind of multi-source radio and television broadcast items monitoring equipment and system, carry out unified supervision with the broadcast TV program with plurality of information resources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting, realize the collection of radio and television broadcast items and " multi-source " of supervision route.
To achieve these goals, the utility model provides a kind of multi-source radio and television broadcast items monitoring equipment, this multi-source radio and television broadcast items monitoring equipment comprises: the cable digital TV monitoring card, connect digital catv signal by holding wire, and described digital catv signal is carried out demodulation, descrambling; The ground digital television monitoring card connects ground digital television signal by holding wire, and described ground digital television signal is carried out demodulation, descrambling; The CMMB monitoring card receives the CMMB signal, and described CMMB signal is carried out demodulation, descrambling; Wired simulated television monitoring card connects wired anolog TV signals by holding wire, and described wired anolog TV signals are carried out demodulation, descrambling; The FM broadcasting monitoring card receives fm broadcast signal, and described fm broadcast signal is carried out demodulation, descrambling; The transcoding control card, respectively with described cable digital TV monitoring card, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card are connected, be used for controlling described cable digital TV monitoring card according to the Monitoring instruction that monitoring front end main frame issues, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card carry out demodulation, descrambling to the signal that receives separately, and will be transferred to described monitoring front end main frame behind the signal demultiplexing behind demodulation, the descrambling.
Further, described cable digital TV monitoring card comprises: QAM demodulation module, FPGA module, CAM card and dsp processor;
The TS data communication device that described QAM demodulation module generates after with described digital catv signal demodulation is crossed FPGA and is transferred to the CAM card, and the CAM card will need the data of descrambling to return to described dsp processor, by described dsp processor output program stream.
Further, described ground digital television monitoring card comprises: DTMB demodulation module, FPGA module, CAM card and dsp processor;
The TS data communication device that described DTMB demodulation module generates after with described ground digital television signal demodulation is crossed FPGA and is transferred to the CAM card, and the CAM card will need the data of descrambling to return to described dsp processor, by described dsp processor output program stream.
Further, described CMMB monitoring card comprises: antenna, CMMB demodulator, dsp processor, SD card;
Described antenna reception CMMB signal, through output MFS signal after the demodulation of described CMMB demodulator, described MFS signal is transferred to described dsp processor through spi bus, described dsp processor goes out to comprise the data of EMM, ECM and audio/video information according to described MFS signal resolution, by the SDIO interface data are sent to SD descrambling card, described dsp processor read back data and output behind the descrambling.
Further, described wired simulated television monitoring card comprises: demodulation module, H264 compression module and dsp processor;
Described demodulation module with described wired anolog TV signals demodulation after through being transferred to described dsp processor behind the H264 compression module, be encoded to H.264 through described dsp processor and export behind the code stream.
Further, described FM broadcasting monitoring card comprises: antenna, AudioOverIP processing module and dsp processor;
Described antenna reception fm broadcast signal, described fm broadcast signal is exported after being transferred to described dsp processor after the described AudioOverIP processing module.
Further, described cable digital TV monitoring card also comprises: synchronous DRAM (SDRAM) and flash memory (FLASH).
Further, described ground digital television monitoring card also comprises: SDRAM and FLASH.
To achieve these goals, the utility model provides a kind of multi-source radio and television broadcast items monitoring system, this multi-source radio and television broadcast items monitoring system comprises: multi-source radio and television broadcast items monitoring equipment, Ethernet switch, monitoring front end main frame and central management platform; Described central management platform issues Monitoring instruction by supervisory network to described monitoring front end main frame; Described monitoring front end main frame sends to described multi-source radio and television broadcast items monitoring equipment with described Monitoring instruction by described Ethernet switch, store the data that described multi-source radio and television broadcast items monitoring equipment is uploaded according to described Monitoring instruction, and upload described data by described supervisory network to described central management platform; Described multi-source radio and television broadcast items monitoring equipment comprises: the cable digital TV monitoring card connects digital catv signal by holding wire, and described digital catv signal is carried out demodulation, descrambling; The ground digital television monitoring card connects ground digital television signal by holding wire, and described ground digital television signal is carried out demodulation, descrambling; The CMMB monitoring card receives the CMMB signal, and described CMMB signal is carried out demodulation, descrambling; Wired simulated television monitoring card connects wired anolog TV signals by holding wire, and described wired anolog TV signals are carried out demodulation, descrambling; The FM broadcasting monitoring card receives fm broadcast signal, and described fm broadcast signal is carried out demodulation, descrambling; The transcoding control card, respectively with described cable digital TV monitoring card, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card are connected, be used for controlling described cable digital TV monitoring card according to the Monitoring instruction that described monitoring front end main frame issues, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card carry out demodulation to the signal that receives separately, descrambling, and with demodulation, be transferred to described monitoring front end main frame by described Ethernet switch behind the signal demultiplexing behind the descrambling.
The beneficial effects of the utility model are, multi-source radio and television broadcast items monitoring equipment of the present utility model and system can carry out unified supervision with the broadcast TV program of the plurality of information resources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting, realize the collection of radio and television broadcast items and " multi-source " of supervision route.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the utility model embodiment multi-source radio and television broadcast items monitoring system;
Fig. 2 is the structured flowchart of the utility model embodiment multi-source radio and television broadcast items monitoring equipment;
Fig. 3 is the internal circuit configuration schematic diagram of the cable digital TV monitoring card 101 of the utility model embodiment;
Fig. 4 is the internal circuit configuration schematic diagram of the ground digital television monitoring card 102 of the utility model embodiment;
Fig. 5 is the internal circuit configuration schematic diagram of the CMMB monitoring card 103 of the utility model embodiment;
Fig. 6 is the internal circuit configuration schematic diagram of wired simulated television monitoring card 104 of the utility model embodiment;
Fig. 7 is the internal circuit configuration schematic diagram of frequency modulation (FM) the broadcasting monitoring card 105 of the utility model embodiment;
Fig. 8 is the internal circuit configuration schematic diagram of transcoding control card 106;
Fig. 9 is multi-source radio and television broadcast items monitoring equipment 100 planar structure schematic diagrames.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model embodiment provides a kind of multi-source radio and television broadcast items monitoring system, this multi-source radio and television broadcast items monitoring system comprises: multi-source radio and television broadcast items monitoring equipment 100, Ethernet switch 200, monitoring front end main frame 300 and central management platform 400.
Monitoring front end main frame 300 is mainly finished communicating by letter and the local function of storing of Monitoring Data between central management platform 400 and the multi-source radio and television broadcast items monitoring equipment 100.Central management platform 400 issues the XML format order by supervisory network to monitoring front end main frame 300, monitoring front end main frame 300 receives and processing command, result is delivered to multi-source radio and television broadcast items monitoring equipment 100 through Ethernet switch 200, result data after will processing after the 100 execution instructions of multi-source radio and television broadcast items monitoring equipment is back to monitoring front end main frame 300 and carries out this locality storage, and the data after monitoring front end main frame 300 will be processed by supervisory network again are uploaded to central management platform 400 according to command request.
As shown in Figure 2, multi-source radio and television broadcast items monitoring equipment 100 comprises: cable digital TV monitoring card 101, ground digital television monitoring card 102, CMMB monitoring card 103, wired simulated television monitoring card 104, FM broadcasting monitoring card 105 and transcoding control card 106.
Cable digital TV monitoring card 101 gathers digital catv signal, realize the demodulation of QAM signal and the function of obtaining DVB-C radiofrequency signal parameter, with CAM (conditional access module) card interface, can finish the descrambling operation of appointed program simultaneously.Be linked into cable digital TV monitoring card 101 behind the QAM radiofrequency signal process power splitter (scheming not shown) through wire cable (holding wire 107) transmission, cable digital TV monitoring card 101 down-converts to qam signal the intermediate-freuqncy signal of 36MHz, intermediate-freuqncy signal is through the laggard row AD sampling of filtering, data after the sampling are carried out Timing Synchronization and carrier wave and are recovered to obtain the IQ signal, the IQ signal through deinterleaving, output TS stream (transport stream) signal after the RS decoding, descrambling.TS stream signal after the demodulation is transferred to the CAM card through FPGA, dsp processor according to the DVBEN50221 agreement the setting of the programs of needs descrambling in the CAM card, finished the descrambling operation of program by the CAM card, clear stream behind the descrambling is transferred to dsp processor by FPGA, and DSP is according to IP agreement output Mpeg2 program stream.
As shown in Figure 3, cable digital TV monitoring card 101 comprises: QAM demodulation module 301, FPGA module 302, CAM card 303 and dsp processor 304.The TS data communication device that QAM demodulation module 301 generates after with the digital catv signal demodulation is crossed FPGA module 302 and is transferred to CAM card 303, and the CAM card will need the data of descrambling to return to dsp processor 304, by dsp processor 304 output program streams.
QAM demodulation module 301, FPGA module 302, CAM card 303 and dsp processor 304 all can be realized by hardware configuration.
Preferably, cable digital TV monitoring card 101 can also comprise: SDRAM305 and FLASH306.
The technical parameter of cable digital TV card is as follows:
External interface a: pcmcia interface, a F head.
Internal interface: standard C PCI carries on the back card interface, parallel TS flow data interface, IIC, standard UART interface.
Size: the 3U integrated circuit board size that meets CPCI.
CA supports: the descrambling kilocalorie.
Follow standard: DVB-C EN300429.
Incoming frequency: 50～862MHz.
Input impedance: 75 Ω.
Incoming signal level :-25～+ 20dBmV.
Demodulation mode: QAM16, QAM32, QAM64, QAM128, QAM256.
Symbol rate: 1-7.0MS/s.
Output: supporting the output of a complete TS stream, comprise all programs of a frequency, can be that the complete TS that comprises the descrambling program flows or flows without the original TS of descrambling, and interface adopts parallel data grabbing card.
Ground digital television monitoring card 102 connects ground digital television signal by holding wire, and described ground digital television signal is carried out demodulation, descrambling.Terrestrial DTV is realized the demodulation of ground digital television signal and the function of obtaining terrestrial DTV radiofrequency signal parameter index, ground digital television monitoring card 102 can be finished the descrambling operation of appointed program with CAM (conditional access module) (conditioned access module) card interface simultaneously.
The terrestrial DTV radiofrequency signal of getting off through antenna reception is linked into ground digital television monitoring card 102 through holding wire 107, ground digital television monitoring card 102 down-converts to baseband signal with the VHF/UHF radiofrequency signal of simulation, baseband signal is carried out the TDS-OFDM demodulation after sampling through AD, exports at last TS stream (transport stream) signal.
As shown in Figure 4, ground digital television monitoring card 102 comprises: DTMB demodulation module 401, FPGA module 402, CAM card 403 and dsp processor 404.
The TS data communication device that DTMB demodulation module 401 generates after with described ground digital television signal demodulation is crossed FPGA module 402 and is transferred to CAM card 403, dsp processor 404 according to DVB EN50221 agreement the setting of the programs of needs descrambling to 403 li on CAM card, finished the descrambling operation of program by CAM card 403, clear stream behind the descrambling is transferred to dsp processor 404 by FPGA module 402, and dsp processor 404 is finished the output of TS stream according to the IP agreement.DTMB demodulation module 401, FPGA module 402, CAM card 403 and dsp processor 404 all can be realized by hardware configuration.
Preferably, ground digital television monitoring card 102 can also comprise: SDRAM305 and FLASH306.
The technical parameter of ground digital television monitoring card 102 is as follows:
Support 1 road high-definition program or 1 clear program of frequency 4 road signs.
Signaling interface: 1 F head.
Internal interface: standard C PCI carries on the back card interface, parallel TS flow data interface, IIC, standard UART interface.
Size: meet CPCI 3U integrated circuit board size.
CA supports: the descrambling kilocalorie.
Standard: DTMB ground digital signal.
Input: 1 road DTMB radiofrequency signal (RF).
Incoming frequency: VHF 177.5～226.5MHz UHF 474～858MHz.
Input impedance: 75 Ω.
Modulation: QPSK, 16QAM, 64QAM.
Carrier type: single carrier/multicarrier.
Incoming signal level: 30～100dBuV.
CMMB monitoring card 103 receives the CMMB signal, and described CMMB signal is carried out demodulation, descrambling.As shown in Figure 5, CMMB monitoring card 103 comprises: antenna 107, CMMB demodulator 501, dsp processor 502 and SD card 503.Antenna 107, CMMB demodulator 501, dsp processor 502 and SD card 503 all can be realized by hardware configuration.
The CMMB radiofrequency signal that receives through antenna 107 is linked into CMMB demodulator 501, CMMB demodulator 501 down-converts to baseband signal with the VHF/UHF/S-Band radiofrequency signal of simulation, carry out OFDM decoding, LDPC decoding, RS decoding, demultiplexing after baseband signal is sampled through AD, export at last MFS (Multiplex Frame Structure) signal.
MFS signal after the demodulation is transferred to dsp processor 502 through spi bus, dsp processor 502 is separated out EMM, ECM and audio/video information according to the multiplexing canonical solution of CMMB, by the SDIO interface that defines data are sent to SD card 503 and carry out descrambling, SD card 503 is finished after the descrambling, dsp processor 502 re-uses the audio, video data of SDIO bus after descrambling and reads back, and the MFS stream after the demodulation and the audio, video data behind the descrambling can directly be exported H.264 form program stream by the IP agreement.
The technical parameter of CMMB monitoring card 103 is as follows:
Every demodulation card is supported 2 frequency transmission of videos.
Support simultaneously descrambling of 7 road SD cards.
The band internal power of real-time measurement CMMB signal, frequency deviation, carrier-to-noise ratio, the RS error rate, the LDPC error rate, frame error rate, BER etc.
Detect in real time Indexes Abnormality, frequency channel change and content differential mode.
The collection of ESG information, analyze and upload.
Wired simulated television monitoring card 104 is realized the demodulation of wired anolog TV signals and the function of obtaining wired simulated television radiofrequency signal parameter, wired simulated television radiofrequency signal is linked into wired simulated television monitoring card 104, and wired simulated television monitoring card 104 is demodulated into CVBS composite video signal and simulated audio signal with the radiofrequency signal of simulation.Wired simulated television monitoring card 104 connects wired anolog TV signals by holding wire, and wired anolog TV signals are carried out demodulation, descrambling.
As shown in Figure 6, wired simulated television monitoring card 104 comprises: demodulation module 601, H264 compression module 602 and dsp processor 603.
Demodulation module 601 with wired anolog TV signals demodulation after through being transferred to dsp processor 603 behind the H264 compression module 602, be encoded to H.264 through described dsp processor and export behind the code stream.Demodulation module 601, H264 compression module 602 and dsp processor 603 all can be realized by hardware configuration.
The CVBS vision signal outputs to DSP by Video Decoder output ITU-R BT656 code stream by the VPORT bus, and simulated audio signal outputs to DSP by audio A/D converter output IIS audio signal by the McBSP bus.Dsp processor is encoded to H.264 code stream with original audio, video data, exports by the IP agreement.
The technical parameter of wired simulated television monitoring card 104 is as follows:
Frequency range: 48MHz～1000MHz.
Precision: ± 50 * 10-6 (20 ℃ ± 5 ℃).
Resolution: 10KHz.
Receive bandwidth: 280KHz.
Channel type, simulated television: TV, Digital Television: QAM QPSK.
Frequency channel: SIGL.
Level detecting scope: 30dBuV～120dBuV.
Precision: level ± 1.5dB (25 ℃ ± 5 ℃). (〉=35dBuV). ± 3dB (10 ℃-40 ℃).
Scanning (± 2dB) (25 ℃ ± 5 ℃); Resolution: 0.1dB; Input impedance: 75 Ω.
FM broadcasting monitoring card 105 receives fm broadcast signal, and described fm broadcast signal is carried out demodulation, descrambling.
As shown in Figure 7, FM broadcasting monitoring card 105 comprises: antenna 107, AudioOverIP processes 701 of moulds and dsp processor 702.
The front end special equipment that frequency modulation (FM) broadcasting monitoring card 105 provides, can carry out Real-time demodulation by the frequency-modulation broadcasting signal, purpose is to form monitoring system with the equipment such as coding card of back, can monitor rapidly, easily the running status of FM broadcasting operation system, in time judge and reporting errors, so that the analysis of fault and eliminating, thereby ensure reliability service and the safe broadcast of whole frequency modulation broadcast system.
The technical parameter of FM broadcasting monitoring card 105 is as follows:
External interface: four F heads.
Internal interface: standard C PCI carries on the back card interface, 4 road analog audio interfaces, parallel TS flow data interface, IIC, standard UART interface.
Size: meet CPCI 3U integrated circuit board size.
Measuring frequency scope: 87MHz～108MHz.
Impedance: 75 ohm.
Working method: FM, WFM.
Frequency stability: less than 3ppm(25 ℃).
Receiving circuit: secondary superhet.
Carrier wave is declared and is stopped standard :≤2s (1-600 is adjustable second).
Audio frequency is declared and is stopped standard: 〉=30s (1-600 is adjustable second).
The audio mute prompting: 1-600 is adjustable second.
Measuring accuracy: modulation degree (frequency deviation): ± 10%; Field intensity: ± 2dB.
Bad broadcast: field intensity, modulation degree (frequency deviation) alarming threshold value can arrange.
The radio frequency level measuring range: V ~ 110dB μ V is optional for 10dB μ V ~ 80dB μ V(30dB μ).
Input: 4 tunnel medium wave broadcast signals (RF).
Output: 4 road simulated audio signals.
Fig. 8 is the internal circuit configuration schematic diagram of transcoding control card 106.The Monitoring instruction that monitoring front end main frame 300 issued before transcoding control card 106 received is controlled each information source demodulation card to specifying frequency to carry out demodulation, descrambling; With demodulation card (cable digital TV monitoring card 101, ground digital television monitoring card 102, CMMB monitoring card 103, wired simulated television monitoring card 104,105 5 kinds of cards of FM broadcasting monitoring card are the demodulation card) the TS stream that comes of transmission resolves, occur if any differential mode in the resolving, give monitoring front end main frame 300 with the differential mode warning message by Ethernet switch.Appointed program in the TS stream is carried out demultiplexing, give monitoring front end main frame 300 with rear the issuing by network of the packing of the audio, video data behind the coding.The control demodulation sticks into the row index surveying work, passes to monitoring front end main frame after the index measurement data analysis arrangement with the passback of demodulation card.
The technical parameter of transcoding control card 106 is as follows:
Size: the 3U integrated circuit board size that meets CPCI.
Dominant frequency: 1GMHz, internal memory 256M.
External interface: IEEE 802.3/802.3u.
Internal interface: standard C pci interface (carrying out I/O definition, compatible CompactPCI System Slot Rear-Panel I/O Connector Pin Assignments according to the holotype of CPCI), IIC, parallel TS flow data interface, standard UART interface.
Input: comprise one to four road sign clearly or the transport stream of one tunnel high definition.
Output: comprise one to four tunnel transport stream of video format and MP3 audio format H.264.H.264 video resolution behind the transcoding is QCIF(176 * 144), CIF(352 * 288), D1(720x576), a kind of among the 960x540, the single channel code check behind the coding is 56Kbps-4Mbps.Audio frequency and video can use media player commonly used (windows media player, VLC, MPC, RealPlayer etc.) to carry out file and netcast behind the transcoding.
Differential mode detects: support losing lock, image freeze, Hei Chang, quiet detection.
Code stream analysis: support ETR290 three staging errors to report to the police.
Fig. 9 is multi-source radio and television broadcast items monitoring equipment 100 planar structure schematic diagrames, the hardware system of multi-source radio and television broadcast items monitoring equipment 100 of the present utility model has adopted the CPCI structure, adopt embedded, modularization CPCI cabinet to satisfy monitoring requirements to unlike signal sources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting, guarantee the monitoring integrated circuit board of various difference in functionalitys can be in same cabinet mixed insertion.Cabinet adopts the 4U cabinet of CPCI framework, in establish two rows of sockets, a row is used for assigning control card, a row is used for assigning expansion card.Every row is contained 8 slots, amounts to 16 slots, and the quantity of slot can be expanded according to the actual requirements.
Can according to the different integrated circuit board of actual monitoring demand configuration, comprise at present control card, cable digital TV monitoring card, wired simulated television monitoring card, ground digital television monitoring card, CMMB monitoring card, FM broadcasting monitoring card in the multi-source radio and television broadcast items monitoring equipment 100.As shown in Figure 9, the slot in the front of CPCI structure be used for to insert the demodulation card, and the utility model is not limited to demodulation card in above-mentioned 5, can continue according to actual needs expansion.The slot at the back side be used for to insert the transcoding control card, and remaining slot can also insert other card, such as the field strength measurement card etc.
Multi-source radio and television broadcast items monitoring equipment 100 has following characteristics:
● modularized design has good dilatancy.
● adopt the contact pin connectors of IEC specification, have good impact resistance and vibration resistance.
● integrated circuit board possesses warm connection function.
● adopt the multi-fan cooling system, have good heat dissipation ventilation performance.
● integrated circuit board has excellent heat dispersion performance, anti-vibrating and impact ability, meets high anti-interference EMC Requirements.
● have the Remote configuration management function.
Multi-source radio and television broadcast items monitoring equipment of the present utility model and system can carry out unified supervision with the broadcast TV program of the plurality of information resources such as wired simulated television, cable digital TV, terrestrial DTV, CMMB and FM broadcasting, realize the collection of radio and television broadcast items and " multi-source " of supervision route.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is embodiment of the present utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. a multi-source radio and television broadcast items monitoring equipment is characterized in that, described multi-source radio and television broadcast items monitoring equipment comprises:
The cable digital TV monitoring card connects digital catv signal by holding wire, and described digital catv signal is carried out demodulation, descrambling;
The ground digital television monitoring card connects ground digital television signal by holding wire, and described ground digital television signal is carried out demodulation, descrambling;
The CMMB monitoring card receives the CMMB signal, and described CMMB signal is carried out demodulation, descrambling;
Wired simulated television monitoring card connects wired anolog TV signals by holding wire, and described wired anolog TV signals are carried out demodulation, descrambling;
The FM broadcasting monitoring card receives fm broadcast signal, and described fm broadcast signal is carried out demodulation, descrambling;
The transcoding control card, respectively with described cable digital TV monitoring card, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card are connected, be used for controlling described cable digital TV monitoring card according to the Monitoring instruction that monitoring front end main frame issues, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card carry out demodulation, descrambling to the signal that receives separately, and will be transferred to described monitoring front end main frame behind the signal demultiplexing behind demodulation, the descrambling.
2. multi-source radio and television broadcast items monitoring equipment according to claim 1 is characterized in that described cable digital TV monitoring card comprises: QAM demodulation module, FPGA module, CAM card and dsp processor;
The TS data communication device that described QAM demodulation module generates after with described digital catv signal demodulation is crossed the FPGA module and is transferred to the CAM card, and the CAM card will need the data of descrambling to return to described dsp processor, by described dsp processor output program stream.
3. multi-source radio and television broadcast items monitoring equipment according to claim 1 is characterized in that described ground digital television monitoring card comprises: DTMB demodulation module, FPGA module, CAM card and dsp processor;
The TS data communication device that described DTMB demodulation module generates after with described ground digital television signal demodulation is crossed the FPGA module and is transferred to the CAM card, and the CAM card will need the data of descrambling to return to described dsp processor, by described dsp processor output program stream.
4. multi-source radio and television broadcast items monitoring equipment according to claim 1 is characterized in that described CMMB monitoring card comprises: antenna, CMMB demodulator, dsp processor, SD card;
Described antenna reception CMMB signal, through output MFS signal after the demodulation of described CMMB demodulator, described MFS signal is transferred to described dsp processor through spi bus, described dsp processor goes out to comprise the data of EMM, ECM and audio/video information according to described MFS signal resolution, by the SDIO interface data are sent to SD descrambling card, described dsp processor read back data and output behind the descrambling.
5. multi-source radio and television broadcast items monitoring equipment according to claim 1 is characterized in that, described wired simulated television monitoring card comprises: demodulation module, H264 compression module and dsp processor;
Described demodulation module with described wired anolog TV signals demodulation after through being transferred to described dsp processor behind the H264 compression module, be encoded to H.264 through described dsp processor and export behind the code stream.
6. multi-source radio and television broadcast items monitoring equipment according to claim 1 is characterized in that described FM broadcasting monitoring card comprises: antenna, AudioOverIP processing module and dsp processor;
Described antenna reception fm broadcast signal, described fm broadcast signal is exported after being transferred to described dsp processor after the described AudioOverIP processing module.
7. multi-source radio and television broadcast items monitoring equipment according to claim 2 is characterized in that described cable digital TV monitoring card also comprises: synchronous DRAM and flash memory.
8. multi-source radio and television broadcast items monitoring equipment according to claim 3 is characterized in that described ground digital television monitoring card also comprises: synchronous DRAM and flash memory.
9. a multi-source radio and television broadcast items monitoring system is characterized in that, described multi-source radio and television broadcast items monitoring system comprises: multi-source radio and television broadcast items monitoring equipment, Ethernet switch, monitoring front end main frame and central management platform;
Described central management platform issues Monitoring instruction by supervisory network to described monitoring front end main frame;
Described monitoring front end main frame sends to described multi-source radio and television broadcast items monitoring equipment with described Monitoring instruction by described Ethernet switch, store the data that described multi-source radio and television broadcast items monitoring equipment is uploaded according to described Monitoring instruction, and upload described data by described supervisory network to described central management platform; Wherein
Described multi-source radio and television broadcast items monitoring equipment comprises:
The cable digital TV monitoring card connects digital catv signal by holding wire, and described digital catv signal is carried out demodulation, descrambling;
The ground digital television monitoring card connects ground digital television signal by holding wire, and described ground digital television signal is carried out demodulation, descrambling;
The CMMB monitoring card receives the CMMB signal, and described CMMB signal is carried out demodulation, descrambling;
Wired simulated television monitoring card connects wired anolog TV signals by holding wire, and described wired anolog TV signals are carried out demodulation, descrambling;
The FM broadcasting monitoring card receives fm broadcast signal, and described fm broadcast signal is carried out demodulation, descrambling;
The transcoding control card, respectively with described cable digital TV monitoring card, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card are connected, be used for controlling described cable digital TV monitoring card according to the Monitoring instruction that described monitoring front end main frame issues, the ground digital television monitoring card, the CMMB monitoring card, wired simulated television monitoring card and FM broadcasting monitoring card carry out demodulation to the signal that receives separately, descrambling, and with demodulation, be transferred to described monitoring front end main frame by described Ethernet switch behind the signal demultiplexing behind the descrambling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202748615U CN202841400U (en) | 2012-06-11 | 2012-06-11 | Multi-source radio television broadcast program monitoring equipment and system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299616A (en) * | 2014-09-10 | 2015-01-21 | 浪潮电子信息产业股份有限公司 | Voice base-band processing system based on DSP chip and FPGA chip |
| CN104320600A (en) * | 2014-11-15 | 2015-01-28 | 成都九华圆通科技发展有限公司 | Analog and digital television monitoring device |
| CN105680884A (en) * | 2015-12-31 | 2016-06-15 | 江苏骅盛车用电子股份有限公司 | Vehicular intelligent antenna system |
| CN106385612A (en) * | 2016-09-12 | 2017-02-08 | 深圳市凯利华电子有限公司 | Household multimedia gateway system based on DTV-VLC key technology |
| CN107343217A (en) * | 2017-05-23 | 2017-11-10 | 数源久融技术有限公司 | Plurality of information resources receiving and transmitting control devices and method |
| CN107888901A (en) * | 2016-09-29 | 2018-04-06 | 国家新闻出版广电总局广播科学研究院 | TV signal monitoring method and apparatus |
| CN113115028A (en) * | 2021-03-24 | 2021-07-13 | 湖北省新闻出版广电局无线台管理中心 | Rebroadcasting station signal monitoring system |
| CN115457747A (en) * | 2022-10-21 | 2022-12-09 | 贵州广播电视台 | Signal abnormal state alarm method, device, equipment and storage medium |
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2012
- 2012-06-11 CN CN2012202748615U patent/CN202841400U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299616A (en) * | 2014-09-10 | 2015-01-21 | 浪潮电子信息产业股份有限公司 | Voice base-band processing system based on DSP chip and FPGA chip |
| CN104320600A (en) * | 2014-11-15 | 2015-01-28 | 成都九华圆通科技发展有限公司 | Analog and digital television monitoring device |
| CN105680884A (en) * | 2015-12-31 | 2016-06-15 | 江苏骅盛车用电子股份有限公司 | Vehicular intelligent antenna system |
| CN106385612A (en) * | 2016-09-12 | 2017-02-08 | 深圳市凯利华电子有限公司 | Household multimedia gateway system based on DTV-VLC key technology |
| CN106385612B (en) * | 2016-09-12 | 2022-04-05 | 深圳市凯利华电子有限公司 | Household multimedia gateway system based on DTV-VLC key technology |
| CN107888901A (en) * | 2016-09-29 | 2018-04-06 | 国家新闻出版广电总局广播科学研究院 | TV signal monitoring method and apparatus |
| CN107343217A (en) * | 2017-05-23 | 2017-11-10 | 数源久融技术有限公司 | Plurality of information resources receiving and transmitting control devices and method |
| CN113115028A (en) * | 2021-03-24 | 2021-07-13 | 湖北省新闻出版广电局无线台管理中心 | Rebroadcasting station signal monitoring system |
| CN115457747A (en) * | 2022-10-21 | 2022-12-09 | 贵州广播电视台 | Signal abnormal state alarm method, device, equipment and storage medium |
| CN115457747B (en) * | 2022-10-21 | 2024-02-27 | 贵州广播电视台 | Signal anomaly alarm method, device, equipment and storage medium |
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