CN206743261U - Emergent broadcast message adapter - Google Patents
Emergent broadcast message adapter Download PDFInfo
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- CN206743261U CN206743261U CN201720660739.4U CN201720660739U CN206743261U CN 206743261 U CN206743261 U CN 206743261U CN 201720660739 U CN201720660739 U CN 201720660739U CN 206743261 U CN206743261 U CN 206743261U
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Abstract
The utility model discloses a kind of emergent broadcast message adapter, including voice input device, audio output device, audio switching matrices, audio sample code device, FPGA, main control processor and system management facility, the voice input device, audio switching matrices, audio sample code device and FPGA are linked in sequence successively, the output end of the audio switching matrices is also connected with the audio output device input, the system management facility is connected with FPGA, and the FPGA is connected with main control processor by GPMC interfaces.This adapter realize emergent broadcast message polymorphic type transmission covering and multichannel it is concurrent, can be effectively by emergent broadcast message real-time release to disaster area；National responding agencies communications protocol can also be docked, country, province, the warning information of city's responding agencies issue can be timely responded to；Safety device is additionally used, the encrypted transmission of data can be realized, good protection is provided to the safety of equipment and data.
Description
Technical field
The utility model belongs to emergent broadcast technical field, and in particular to a kind of emergent broadcast message adapter.
Background technology
In emergency broadcase system, the important channel that overlay network is emergent news release, including traditional modulating FM are transmitted
Overlay network, cable digital TV overlay network (DVB-C), ground digital overlay network (DTMB), IP overlay networks etc., pass through
The covering of several networks above, can be by emergent broadcast message real-time release to disaster area.Traditional equipment, it can only cover single
Network, and local source of sound is switched, after analog sampling, compressed encoding processing, coding-control signaling is generated, or solely pass through
Digital coding compression passes through to be passed under IP network, or by being passed under wireless transmission after solely being modulated by FM, or solely pass through
After QAM modulation, through being passed under digital TV network, or solely by being passed under terrestrial DTV DTMB modes.
Existing Network adaptation equipment has many limitations in actual applications, it is impossible to accomplishes that multi-mode, multichannel turn simultaneously
Send out function.A variety of, multiple devices combination is needed to use to complete in the case where various networks can not be completely covered；It is inconvenient
Safeguard, the stability of a system is poor, it is impossible to accomplishes highly integrated, multi-internet integration, plurality of application scenes.
Existing Network adaptation equipment does not have higher level's signaling interface, it is impossible to docks national responding agencies communications protocol, not yet
The disaster early warning of the departments such as energy live event center, country, emergency office of provinces and cities, public security, fire-fighting, policy propaganda information.
Utility model content
For the deficiency in the presence of prior art, the utility model provides one kind and possesses the concurrent work(of multi-mode multichannel turn
It, can cover the emergent broadcast message adapter of multiple network.
Emergent broadcast message adapter, it is characterised in that including voice input device, audio output device, Audio conversion
Matrix, audio sample code device, FPGA, main control processor and system management facility, the voice input device, Audio conversion
Matrix, audio sample code device and FPGA are linked in sequence successively, the output ends of the audio switching matrices also with the audio
Output device input is connected, and the system management facility is connected with FPGA, and the FPGA and main control processor are connect by GPMC
Mouth connection；The main control processor is connected by RGMII interfaces with IP data processors, and the IP data processors pass through network
Interface is connected to network；The FPGA includes ASI-TS output interfaces and FM/RDS output interfaces.The FPGA is used for will sampling
Data are packed and digital audio stream are sent into main control processor by GPMC interfaces, and will pass through the numeral of GPMC interfaces
Audio stream is encapsulated as ASI-TS streams or coding generation RDS subcarriers, the main control processor are used for the sound that will be sent from FPGA
The stream encryption of frequency word is the reference formats of MPEG-LAYER 2 and transmits it to subordinate or general headend platform.
Further, the voice input device is set including circuit input module, local microphone input module, mobile storage
Standby input module, GSM phones/short message broadcasting module and the alarm tone module that prestores.
Further, the audio output device includes dio Output Modules, audiomonitor and the instruction of audio output amplitude
Module.
Further, in addition to recording module, the recording module are connected with main control processor.
Further, the system management facility includes being used for MCU, the control panel for being controlled whole adapter management
And web-based management module, control panel and the web-based management module are connected with the MCU respectively.
Further, in addition to safety device, the safety device include to carry out with main control processor
Safe the sign test module and encrypting module of information transfer.
Compared to prior art, the utility model has the advantages that：
1st, this adapter realize emergent broadcast message polymorphic type transmission covering and IP-TS, ASI-TS, FM-RDS,
The multichannels such as phone/short message it is concurrent, can be effectively by emergent broadcast message real-time release to disaster area；
2nd, this adapter can also dock national responding agencies communications protocol, can timely respond to country, province, emergent portion of city
The warning information of door issue；
3rd, this adapter additionally uses safety device, can realize the encrypted transmission of data, to equipment and data
Safety provides good protection.
Brief description of the drawings
Fig. 1 is system structure diagram of the present utility model.
Wherein, 110- circuits input module, 120- locals microphone input module, 130- movable storage device input modules,
140-GSM phones/short message broadcasting module, 150- prestore alarm tone module, 210- dio Output Modules, and 220- monitors module,
230- output amplitude indicating modules, 240- recording modules, 310- audio switching matrices, 410- audio sample code devices, 510-
FPGA, 520-ASI-TS output interface, 530-FM/RDS output interfaces, 610- main control processors, 620-IP data processors,
630- network interfaces, 710-MCU, 720- control panels, 730-web management modules, the safe sign test modules of 810-, 820- encryption moulds
Block.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that invention is realized are easy to understand, with reference to
It is specifically illustrating, the utility model is expanded on further.
Emergent broadcast message adapter is the headend equipment of emergency broadcase system, can be used as master headed equipment, also can conduct
Hold the receipts opened and turn equipment application.Emergent broadcast message adapter, have and higher level's linkage platform interface, Audio conversion, sound
Frequency digital coding, TS instructions encapsulation, RDS packet encapsulations and subcarrier modulation, GSM remote phones, TTS short messages turn voice work(
Energy, TSOIP stream encapsulation functions.
Emergent broadcast message adapter, as shown in figure 1, including voice input device, audio output device, Audio conversion square
Battle array 310, audio sample code device 410, FPGA510, main control processor 610, system management facility, the audio input dress
Put, audio switching matrices, audio sample code device and FPGA are linked in sequence successively, the output end of the audio switching matrices is also
It is connected with the audio output device input, the system management facility is connected with FPGA, the FPGA and main control processor
Connected by GPMC interfaces；The FPGA is used to pack sampled data and digital audio stream is sent into master by GPMC interfaces
Processor is controlled, and the digital audio stream by GPMC interfaces is encapsulated as ASI-TS streams or coding generation RDS subcarriers, institute
State main control processor be used for will the digital audio stream encryption that be sent from FPGA for the reference formats of MPEG-LAYER 2 and by its to
Subordinate or the transmission of general headend platform, the system management facility are used to be controlled whole adapter management, and the audio is adopted
Sample code device is used to complete audio sample, coding and compressed data processing.
The voice input device includes circuit input module 110, local microphone input module 120, movable storage device
Input module 130.The circuit input module can realize the input modes such as DVD, radio reception head, satellite reception, and local microphone is defeated
Entering module can realize that the movable storage device input module can move from USB flash disk or SD card etc. from audio input is locally gathered
Audio file is obtained in dynamic storage device as input mode.The AF input impedance of the circuit input module：>=10k Ω are not
Balance, AF input level：0~0.775Vrms；The AF input level of the local microphone input module：≥10mV.
The voice input device also includes GSM phones/short message broadcasting module 140 and the alarm tone module 150 that prestores.It is described
GSM phones/short message broadcasting module uses UNICOM/movement 2G networks, its receiving sensitivity≤- 107dBm, Password Length >=6；
The audio of a variety of alarm tones such as fire alarm, robber and police, air defense is preserved in the alarm tone module that prestores.
The audio output device includes dio Output Modules 210, monitors module 220 and output amplitude indicating module 230,
Dio Output Modules use the non-equilibrium audio output in 2 roads；It is that built-in 3W monitors sound equipment to monitor module, is worked as real-time audiomonitor
Preceding broadcast source of sound, output amplitude indicating module, which is used to monitor in real time, exports audio amplitude.
Emergent broadcast message adapter is locally daily or during emergent broadcast, audio enters Audio conversion from voice input device
Matrix 310, according to user set selection by system management facility control it is therein certain all the way audio from audio switching matrices 310
Output.The audio exported in audio switching matrices 310 is respectively fed to audio sample code device 410, dio Output Modules 210,
Monitor module 220, output amplitude indicating module 230.The simulated audio signal of input is carried out A/ by audio sample code device 410
D processing and sample code are digital audio stream, and sampled data is passed to the packings of FPGA 510 processing, and FPGA 510 passes through GPMC interfaces
Digital audio after packing is spread to main control processor 610 and is encoded to the digital sound of the reference formats of MPEG-LAYER 2
Frequently.
The main control processor 610 is connected by RGMII interfaces with IP data processors 620, the IP data processors
620 are connected to network by network interface 630.The network interface can be RJ45 network interfaces, the RJ45 network interfaces
For the adaptive network interfaces of 1000M, receive and export for IP_TS, receiving front-end or higher level dock emergent broadcast platform linkage interface
Specification, this grade of MCVF multichannel voice frequency and control encode and are dealt into general headend.The main control processor can use the processing of ARM kernels
Device, such as A8 main control chips.
The FPGA includes ASI-TS output interfaces 520 and FM/RDS output interfaces 530.The ASI-TS output interfaces are used
In ASI-TS stream outputs (cable digital TV and terrestrial DTV front end are output to rear end equipment signal using modulator
Covering), the FM/RDS output interfaces are used for FM radio frequencies and the output of RDS subcarriers (is set by frequency modulation transmitter to rear end frequency modulation
Standby signal is covered).
DAB after main control processor coding can be by following two patterns to subordinate or general headend platform
Transmission.Pattern one：IP data processors are transmitted to by RGMII interfaces and are packaged into IP stream format, pass through RJ45 network interface transfers
Into network；Pattern two：Digital audio stream is transmitted to FPGA and is packaged again by GPMC interfaces and is flowed for ASI-TS, then is connect by Q9
Mouth ASI-TS is output to DTV debugger, and it is terrestrial DTV DTMB to debug as digital television signal DVB-C or debugging
Signal transmission downward area covering；FPGA coding generation RDS subcarriers (the signalling coding information wherein comprising equipment), equipment is defeated
The RDS subcarriers gone out are input to frequency modulation debugger jointly by the output of Q9 interfaces and the circuit audio output of equipment, through FM transmission
Machine is launched carries out frequency modulation covering to dividing into region.
This adapter also includes recording module 240, and the recording module 240 is connected with main control processor 610.The master control
Processor, which is sent, to be instructed telephone voice content real-time recording, backs up in the recording module, in subsequent query and needs weight
Return is recalling recording data from the recording module when putting report.
The system management facility include be used for whole adapter is controlled management MCU710 and with it is described
The control panel 720 of MCU710 connections.The control panel is that display liquid crystal and button coordinate, and the information and state of equipment can be carried out
Check, can also carry out parameter setting to equipment.
The system management facility also includes the web-based management module 730 being connected with the MCU710.The web-based management mould
Block also remotely can carry out parameter modification with remote viewing device information and state to equipment, can also the parameter of equipment and
Status information passes back to general headend platform in time, the technical staff of general headend platform is carried out unified monitoring and management to equipment.
The MCU is used to control the switching of audio switching matrices, liquid crystal display/button operation on control panel, GSM electricity
The access of words/short message, the command process of web administration module, the output of equipment control command, equipment date and time show, are local
The functions such as the selection of alarm tone.
In view of the needs of the safe transmission of broadcast message, this adapter also includes safety device, and the safety is prevented
Protection unit includes being connected with main control processor 610 and can tested with the safety of the main control processor 610 progress bidirectional transfer of information
Sign module 810.The safe sign test module is being received it after the DAB and signaling of main control processor coding
Encrypted using AES, then by encryption DAB and signalling return main control processor, last DAB and
Signaling passes through each passage outgoing.National emergency broadcase system overall management can be so well adapted for, improves and prevents intercutting and pacifying
Full grade of transmission.The safety device also includes encrypting module 820, and the encrypting module uses softdog, softdog energy
The safe broadcast operation, systematic parameter backup and parameter reduction of equipment are enough realized, relative to panel operation password is used merely, is increased
Safe class is added so that data are difficult to be stolen, and can effectively prevent illegally to use equipment, prevent malice from distorting arrange parameter
And information.
Should suddenly broadcast the message adapter emergent broadcast transmission nerve of a covering with existing broadcast television signal transmit nerve of a covering
Based on network, supplemented with the intermediate waves of higher level's emergent broadcast transmission nerve of a covering, satellite transmission, direct broadcasting satellite etc..Should be suddenly wide
Message adapter major deployments are broadcast in Cable Digital TV Network, terrestrial DTV network, proprietary IP network, FM broadcast network
The emergency broadcase system front end of network, coordinate emergent mobile broadcast system, it is real under the United Dispatching of general headend emergent broadcast platform
The transmission covering of existing emergent broadcast message polymorphic type.So for adapt to multichannel network signal (IP-TS, ASI-TS, FM-RDS,
Medium wave) transmission, and the original village of village of coordinated signals rings broadcast system, emergent broadcast message adapter in such a application scenarios,
Greatly effect will be played；There is the adapter that should suddenly broadcast the message docking completely to broadcast research institute's emergency broadcase system communication
Agreement, country, province, the warning information of city's responding agencies issue are timely responded to, most emergency information is accurately published at last
Disaster area, accomplish to prepare in advance, early do and prevent to reduce casualty loss.Meanwhile it can also live event radio station news, state
Family's policy, party and government principles and policies.
Preferred embodiment of the present utility model is the foregoing is only, on the scope of protection of the utility model is not limited in
Embodiment is stated, every technical scheme for belonging to the utility model principle belongs to the scope of protection of the utility model.For this
For the technical staff in field, some improvement for being carried out on the premise of principle of the present utility model is not departed from, these improvement
It should be regarded as the scope of protection of the utility model.
Claims (6)
1. emergent broadcast message adapter, it is characterised in that：Including voice input device, audio output device, Audio conversion square
Battle array, audio sample code device, FPGA, main control processor and system management facility, the voice input device, Audio conversion square
Battle array, audio sample code device and FPGA are linked in sequence successively, and the output end of the audio switching matrices is also defeated with the audio
Go out the connection of device input, the system management facility is connected with FPGA, and the FPGA and main control processor pass through GPMC interfaces
Connection；The main control processor is connected by RGMII interfaces with IP data processors, and the IP data processors are connect by network
Mouth is connected to network；The FPGA includes ASI-TS output interfaces and FM/RDS output interfaces；The FPGA is used for hits
According to packing and digital audio stream is sent to by main control processor by GPMC interfaces, and the digital sound of GPMC interfaces will be passed through
Frequency stream is encapsulated as ASI-TS streams or coding generation RDS subcarriers, the main control processor are used for the audio that will be sent from FPGA
Digital stream is encoded to the reference formats of MPEG-LAYER 2 and transmits it to subordinate or general headend platform.
2. emergent broadcast message adapter according to claim 1, it is characterised in that：The voice input device includes line
Road input module, local microphone input module, movable storage device input module, GSM phones/short message broadcasting module and the police that prestores
Report sound module.
3. emergent broadcast message adapter according to claim 1, it is characterised in that：The audio output device includes sound
Frequency output module, audiomonitor and audio output amplitude indicating module.
4. emergent broadcast message adapter according to claim 1, it is characterised in that：Also include recording module, the record
Sound module is connected with main control processor.
5. emergent broadcast message adapter according to claim 1, it is characterised in that：The system management facility includes using
In MCU, control panel and web-based management module that management is controlled to whole adapter, control panel and the web-based management module
It is connected respectively with the MCU.
6. according to the emergent broadcast message adapter described in claim any one of 1-5, it is characterised in that：Also include security protection
Device, the safety device include that the safe sign test module and encryption mould of information transfer can be carried out with main control processor
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660739.4U CN206743261U (en) | 2017-06-08 | 2017-06-08 | Emergent broadcast message adapter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660739.4U CN206743261U (en) | 2017-06-08 | 2017-06-08 | Emergent broadcast message adapter |
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| Publication Number | Publication Date |
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| CN206743261U true CN206743261U (en) | 2017-12-12 |
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ID=60568712
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720660739.4U Active CN206743261U (en) | 2017-06-08 | 2017-06-08 | Emergent broadcast message adapter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768570A (en) * | 2018-05-30 | 2018-11-06 | 江苏科通电子科技有限公司 | A kind of emergent broadcast multimode adapter |
| CN109889290A (en) * | 2019-02-20 | 2019-06-14 | 上海数字电视国家工程研究中心有限公司 | Emergent broadcast management method, device, storage medium and emergent broadcast adapter |
| CN110166155A (en) * | 2019-05-14 | 2019-08-23 | 南京熊猫电子股份有限公司 | A kind of emergent broadcast multichannel streaming media broadcast method and system |
| CN112134637A (en) * | 2020-09-23 | 2020-12-25 | 中广核工程有限公司 | Emergency broadcasting system and method for nuclear power plant |
| CN112350793A (en) * | 2020-09-27 | 2021-02-09 | 福建新大陆通信科技股份有限公司 | Audio monitoring method for emergency broadcasting |
| CN116781194A (en) * | 2023-06-17 | 2023-09-19 | 杭州工信光电子有限公司 | Emergency broadcast communication adaptation system and method for cable digital television |
| WO2024104183A1 (en) * | 2022-11-14 | 2024-05-23 | 天翼数字生活科技有限公司 | Device linkage real-time broadcast method and apparatus, and storage medium and computer device |
-
2017
- 2017-06-08 CN CN201720660739.4U patent/CN206743261U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768570A (en) * | 2018-05-30 | 2018-11-06 | 江苏科通电子科技有限公司 | A kind of emergent broadcast multimode adapter |
| CN109889290A (en) * | 2019-02-20 | 2019-06-14 | 上海数字电视国家工程研究中心有限公司 | Emergent broadcast management method, device, storage medium and emergent broadcast adapter |
| CN110166155A (en) * | 2019-05-14 | 2019-08-23 | 南京熊猫电子股份有限公司 | A kind of emergent broadcast multichannel streaming media broadcast method and system |
| CN110166155B (en) * | 2019-05-14 | 2020-09-22 | 南京熊猫电子股份有限公司 | Emergency broadcast multi-channel streaming media broadcasting method and system |
| CN112134637A (en) * | 2020-09-23 | 2020-12-25 | 中广核工程有限公司 | Emergency broadcasting system and method for nuclear power plant |
| CN112350793A (en) * | 2020-09-27 | 2021-02-09 | 福建新大陆通信科技股份有限公司 | Audio monitoring method for emergency broadcasting |
| CN112350793B (en) * | 2020-09-27 | 2023-06-27 | 福建新大陆通信科技股份有限公司 | Audio monitoring method for emergency broadcasting |
| WO2024104183A1 (en) * | 2022-11-14 | 2024-05-23 | 天翼数字生活科技有限公司 | Device linkage real-time broadcast method and apparatus, and storage medium and computer device |
| CN116781194A (en) * | 2023-06-17 | 2023-09-19 | 杭州工信光电子有限公司 | Emergency broadcast communication adaptation system and method for cable digital television |
| CN116781194B (en) * | 2023-06-17 | 2023-12-01 | 杭州工信光电子有限公司 | Emergency broadcast communication adaptation system and method for cable digital television |
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Effective date of registration: 20221202 Address after: No. 313, Building 2, No. 33, Wuqing South Road, Administration Committee of Wuhou E-commerce Industrial Functional Zone, Wuhou District, Chengdu, Sichuan 610000 Patentee after: Sichuan Kuangshi Softcom Electronic Technology Co.,Ltd. Address before: No.33, Wuqing South Road, Wuhou New Town Management Committee, Wuhou District, Chengdu, Sichuan 610000 Patentee before: CHENGDU XIYIDA ELECTRONIC TECHNOLOGY CO.,LTD. |