CN104780012A - Multifunctional interview and report transmitter, transmission system and data transmission method - Google Patents
Multifunctional interview and report transmitter, transmission system and data transmission method Download PDFInfo
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- CN104780012A CN104780012A CN201510149033.7A CN201510149033A CN104780012A CN 104780012 A CN104780012 A CN 104780012A CN 201510149033 A CN201510149033 A CN 201510149033A CN 104780012 A CN104780012 A CN 104780012A
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Abstract
The invention discloses a multifunctional interview and report transmitter, a transmission system and a data transmission method. The multifunctional interview and report transmitter is characterized by comprising a core processing module, an Ethernet linking module, a wireless communication module, an input signal amplifying module, an output signal amplifying module, a man-machine interface module and a memory module. The transmission system comprises communication networks and a plurality of multifunctional interview and report transmitters, wherein one multifunctional interview and report transmitter serves as a server, and other multifunctional interview and report transmitters serve as report devices; the server is provided with a data broadcast port; the report devices are used for on-the-spot interview and report, and the server is used for remote audio play; the report devices are in communication connection with the server through the communication networks; the communication networks comprise 3G (3rd-generation)/4G (4th-generation) networks and the internet. According to the multifunctional interview and report transmitter, the transmission system and the data transmission method, audio data can be transmitted in various modes, functions are rich, and implementation is easy.
Description
Technical field
The present invention relates to a kind of communication equipment and method, particularly relate to a kind of multi-functional interview report transmitter, transmission system and data transmission method for live news interview.
Background technology
Along with the fast development of China's communications industry, especially comprehensive covering of 3G/4G wireless network, accelerates the informationalized transmission of people.Utilize 3G/4G wireless network quick, stable, easily feature promoted the development of all trades and professions, broadcast television industry is no exception.Live news interview, report and transmission are subject to the impact of the factors such as time, space, region, environment always, cannot sail into even live broadcast vehicle is also subject to mountain area adverse circumstances, complicated operation, input cost is high, the trouble that personnel are many, so how to utilize 3G/4G wireless network feature to realize in the world not by the on-the-spot report alive of Time and place constraint, for user carries out remote interview and transmission by network whenever and wherever possible, the restriction thoroughly solving geographical boundary has been vital problem in radio, TV and film industries.
Therefore, design a kind of multi-functional interview report transmitter, transmission system and data transmission method is necessary.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multi-functional interview report transmitter, transmission system and data transmission method, this multi-functional interview report transmitter, transmission system and data transmission method can adopt various modes transmission of audio data, feature richness, easy to implement.
The technical solution of invention is as follows:
A kind of multi-functional interview report transmitter, comprises core processing module, Ethernet link block, wireless communication module, input signal amplification module, output signal amplification module, human-machine interface module and memory module;
Described Ethernet link block, wireless communication module, input signal amplification module, output signal amplify
Module, human-machine interface module and memory module are all connected with core processing module;
Described core processing module comprises central processing unit, control system and internal memory;
Described Ethernet link block comprises RJ45 network interface and network interface chip; RJ45 network interface is connected with core processing module by network interface chip;
Wireless communication module is used for carrying out exchanges data with 3G/4G network, comprises 3G/4G on-line module (i.e. 3G card of surfing Internet and relevant radio-frequency module) and USB driving chip, and 3G/4G on-line module is connected with core processing module by USB driving chip;
Input signal amplification module comprises the amplifier module be connected with the input of core processing module, after the audio signal of microphone/linear input is carried out amplification process, send into core processing module;
Output signal amplification module comprises the amplifier module be connected with the output of core processing module, and the audio signal for core processing module being exported is sent into after carrying out amplification process and monitored interface.
Described multi-functional interview report transmitter also comprises the voltage transformation module of powering for core processing module; The input termination 8.4V direct voltage of voltage transformation module.
Human-machine interface module comprises touches liquid crystal display screen and the liquid crystal driver module for driving touch LCD to shield.
The potentiometer for adjusting multiplication factor is also comprised in input signal amplification module.
The toggle switch be connected with core processing module and earphone drive module is also comprised in input signal amplification module; Toggle switch is linear signal or Mike's microphone signal for selecting input signal; Earphone drive module is connected with earphone interface, and this earphone interface is used for headphone monitor.
Voltage transformation module adopts LM2596 chip;
Liquid crystal display screen driver module adopts TFT43AB chip, is responsible for driving liquid crystal display screen display, and the operation setting of liquid crystal display screen is transferred to core processing module;
Network interface chip adopts DM9000AEP chip;
USB driving chip adopts USB3320 chip;
Control system in core processing module adopts TPS65930 chip; Central processing unit adopts DM3730 chip; Memory adopts H90A4GH4JJBM, is responsible for the data that storage core processing module processes in real time;
Memory module adopts TF memory module, is responsible for the voice data that memory device receives and launches;
Amplifier module adopts OPA2134 operational amplifier;
Earphone drive module adopts TDA1308 chip;
Input signal amplification module has two-way input signal amplifying circuit; Output signal amplification module has two-way output signal amplification circuit.
A kind of transmission system, comprise communication network and multiple aforesaid multi-functional interview report transmitter, one of them multi-functional interview report transmitter is as server, and remaining multi-functional interview report transmitter is as report device; Server has data and broadcasts port;
Report device is used for spot coverage report, and server is used for long-range audio frequency and broadcasts [also for playing the audio frequency input of on-the-spot host or main broadcaster];
Report device is connected with server communication by communication network; Described communication network comprises 3G/4G network and internet.
Described transmission system also comprises live sound console; Live sound console broadcasts port with the data of server and is connected; Data are broadcasted port and are supported to implement network direct broadcasting simultaneously.
A kind of data transmission method, adopts aforesaid transmission system; Based on the Ethernet link block possessed in report device and server and wireless communication module, audio data transmission is realized, independent Ethernet transmission mode that transmission means comprises (1), (2) independent 3G/4G wireless network transmissions pattern and (3) 3G/4G wireless network and Ethernet transmission mode simultaneously by least one transmission mode in 3G/4G wireless network, Ethernet two kinds of transmission modes.
Independent 3G/4G transmission mode comprises following 3 kinds of concrete transmission modes:
(1) single deck tape-recorder pattern: report that the USB control driver module in device and server drives 1 3G/4G on-line module, the data after central processing unit process are only transmitted by this 3G/4G on-line module;
(2) redundant mode: report that the USB control driver module in device and server drives 2 3G/4G on-line modules, data after central processing unit process are transmitted by 2 3G/4G on-line modules simultaneously, and the data consistent of each 3G/4G on-line module transmission, play backup effect, and be independent of each other;
(3) shunt mode: report that the USB control driver module in device and server drives 2 3G/4G on-line modules, data after central processing unit process are transmitted by 2 3G/4G on-line module cards simultaneously, but the half of each 3G/4G on-line module transmission data, plays shunting transmitting effect.
As shown in Figure 3, transmission system of the present invention is the live interview of Broadcast Journalism based on 3G/4G/ broadband network and transmission system, can be used for on-the-spot broadcasting;
The course of work of this system is as follows:
On-the-spot in interview, interview microphone signal or linear signal are input to interview report transmitter client (being report device) by audio cable, report device passes the signal to reception server (being server) by 3G/4G or broadband networks, and reception server supports the multiple way of output:
A, live sound console can be played in real time, carry out on-the-spot broadcasting report;
B, network radio station can be transferred to simultaneously, realize network direct broadcasting;
C, can synchronization be audio file, to use again in the future;
Reception server can input microphone signal or linear signal equally simultaneously, by " intercommunication function ", signal is carried out broadcasting and be transferred to interview report transmitter client, realizes real time bidirectional transfer function.
In order to client can more simple operations and easy to carry, client adopts portable, and service end adopts
Portable, case type two kinds of styles;
2> volume mass problem: adopt aluminium type material, levels package assembly pattern;
3>3G card installation question: adopt 3G/4G module levels Installation Modes;
2) transmission mode and stability problem:
In order to stability, reliability and the fail safe of support equipment transmission, this equipment supports 3G/4G, Ethernet two kinds of transmission modes technically, support that 3G/4G and Ethernet transmit simultaneously simultaneously, and use to meet various environment, 3G/4G module supports UNICOM, movement, telecommunications card, and 3G/4G network possesses single deck tape-recorder, redundancy, point stream transmission mode; The realization of various transfer function above, has ensured the stability of device transmission, fluency.
3) transmitted in both directions problem:
In order to realize transmitter and server can be conversed in real time; solve the problem of transmitted in both directions technically; ensure that transmitter data normal transmission is to while server, has ensured that again server data normally can return to transmitter, achieved two way audio real-time Transmission function.
Beneficial effect:
The present invention relates to a kind of multi-functional interview report transmitter, transmission system and data transmission method, it is a set of digitlization, networking, intellectuality, the wireless interviews and reports of specialty of globalization and voiceband facility that transmitter is reported in multi-functional interview of the present invention.The audio compression mode (AAC) of this equipment utilization 3G/4G (WCDMA/TD-SCDMA/CDMA2000/TD-LTE/FDD-LTE) wireless network and ethernet technology, employing uniqueness a set ofly reports product based on transmission that is mobile and broadband connections.It has powerful transfer function, leading core technology and applicability widely, any audio frequency only need access multi-functional interview report transmitter and transmit, can realize in the world not by the on-the-spot report alive of Time and place constraint, for user carries out remote interview and transmission by network whenever and wherever possible, thoroughly solve the restriction of geographical boundary.
This multi-functional interview report transmitter has easy to carry, and supports on-the-spot broadcasting simple to operate is news interview, recording and transmit the ideal equipment of interview signal or real-time transmission lines audio signal and file in real time.
This multi-functional interview report transmitter can use as report device and server, and versatility is good.
The transmission system of interviewing for news report be made up of multiple this multi-functional interview report transmitter, be easy to set up, good portability, and support multiple transmission mode, flexibility is good, is the desirable data handling system for news interview.
Accompanying drawing explanation
Fig. 1 is the cut-away view of report device;
Fig. 2 is the cut-away view of server;
Fig. 3 is the structural representation of transmission system.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1:
See Fig. 1 and Fig. 2, each module introduction of multi-functional interview report transmitter is described as follows:
1>, voltage transformation module (LM2596): be responsible for peripheral input voltage to be converted to operating voltage needed for chip;
2, liquid crystal display screen driver module (TFT43AB): be responsible for driving liquid crystal display screen display, and the operation setting of liquid crystal display screen is transferred to nucleus module process;
3, network interface chip (DM9000AEP): be responsible for the data that process RJ45 network interface is undertaken by Ethernet (broadband) sending and receiving;
4, USB driving chip (USB3320): be responsible for driving USB interface and the data processing of being undertaken sending and receiving by 3G/4G network;
5, nucleus module:
1> control system (TPS65930): the control treatment being responsible for all modules beyond core board;
2> central processing unit (DM3730): scheduling and the process of being responsible for all chip module data of equipment;
3> memory (H90A4GH4JJBM): be responsible for the data that storage nucleus module processes in real time;
6, TF memory module (TF_CARD): be responsible for the voice data that memory device receives and launches;
7, amplifier module (OPA2134): the amplification being responsible for input/output signal;
8, potentiometer: the amplification of volume of being responsible for carrying out in conjunction with amplifier module signal regulates;
9, L/M toggle switch: be responsible for selecting input signal to be linear signal or Mike's microphone signal;
10, earphone drive module (TDA1308): be responsible for driving headphone monitor function;
The operation principle (Fig. 1) of report device:
Step one: select the signal of input to be linear signal (L shelves) by " L/M toggle switch " before device power-up, or microphone signal (M shelves);
Step 2: by " voltage transformation module ", the direct current DC 8.4V that periphery inputs is converted into the operating voltage that each module needs, carries out equipment and to power startup;
Step 3: carry out device parameter setting and transmission mode selection by " touch LCD screen " and " driver module ", and the data after arranging are transferred to nucleus module process;
Step 4: the linear or microphone signal of peripheral input regulates after amplification through " amplifier module " and " potentiometer " and inputs to nucleus module process;
Step 5: " memory " of nucleus module stores real-time reception to Various types of data, " central processing unit " is processed in real time by the data transferred in real time in " memory ", and passes through the work of other module of " control system " Control and Schedule;
Step 6: the input audio signal after " central processing unit " process carries out three tunnel transmission simultaneously: real-time storage is carried out to " TF memory module " in a road; Lead up to after " amplifier module " processes and can carry out headphone monitor; One tunnel by " network interface chip ", " RJ45 network interface " module, then is undertaken being transferred to server by Ethernet (broadband); Or by " USB driving chip ", " USB1 interface " module, then undertaken being transferred to server by 3G/4G wireless network;
Step 7: the data of local " TF memory module " are carried out uploading of USB flash disk by " USB driving chip ", " USB2 interface " module and copy simultaneously;
The operation principle (Fig. 2) of server:
Step one: by " voltage transformation module ", the interchange AC 220V that periphery inputs is converted into the operating voltage that each module needs, carries out equipment and to power startup;
Step 2: carry out device parameter by " touch LCD screen " and " driver module " and arrange and receiving mode selection, and the data after arranging are transferred to nucleus module process;
Step 3: the data that server is transmitted by " Ethernet (broadband) network, RJ45 network interface " reception " transmitter ", and give " network interface chip " process, the data after process are given in " memory " of nucleus module again;
Step 4: " central processing unit " of nucleus module is processed in real time by the data transferred in real time in " memory ", and passes through the work of other module of " control system " Control and Schedule;
Step 5: the Received signal strength after " central processing unit " process carries out three tunnel transmission simultaneously: real-time storage is carried out to " TF memory module " in a road; Lead up to " amplifier module ", can headphone monitor be carried out after " earphone driving " resume module; One tunnel is by carrying out broadcasting (L/R simulates stereo) after " amplifier module " process;
Step 6: server realizes transmitted in both directions by " intercommunication " retransmission function simultaneously, nucleus module can be given after " amplifier module " linear/microphone input signal, again through " memory ", " central processing unit ", " control system " of nucleus module input transmission back data to the process of network interface chip, recycling " network interface chip " transmission channel and agreement return to transmitter by RJ45 network interface interface and " Ethernet " network again;
Step 7: transmitter passes through the signal of Ethernet or the 3G/4G wireless network reception server passback transmitted at first, difference is corresponding gives nucleus module after " RJ45 network interface, network interface chip " or " USR1 interface, driving chip " process, by " memory ", " central processing unit ", " control system " of nucleus module, data are given " amplifier module " again, then carry out monitoring return path signal by " amplifier module " output signal;
Two-way real-time Transmission intercommunication function is achieved based on reporting the transmission of device and the reception of record principle and server and passback principle above.
The function declaration of multi-functional interview report transmitter is as follows:
1) 3G/4G wireless network, Ethernet two kinds of separate transmission mode are possessed;
Implementation:
A, Ethernet transmission mode: report device internal hardware block diagram from Fig. 1, be connected with peripheral Ethernet (broadband) by RJ45 network interface, carry out driving through network interface chip (DM9000AFP) again identify and carry out transmission channel process by procotol, utilize the cooperation control process of " control system (TPS65930), the central processing unit (DM3730) " in nucleus module simultaneously, to realize " Ethernet transmission mode ", just transmit and receive data by " Ethernet " network;
B, 3G/4G wireless network transmissions pattern:
Device internal hardware block diagram is reported from Fig. 1, by USB1 interface with external or built-in " 3G/4G on-line module is connected; carry out driving through driving chip (USB3320) again and identify and carry out transmission channel process by procotol; utilize the cooperation control process of " control system (TPS65930), the central processing unit (DM3730) " in nucleus module; to realize " 3G/4G wireless network transmissions pattern ", just transmit and receive data by " 3G/4G network " simultaneously;
2) possess and support 3G/4G wireless network and Ethernet transfer function simultaneously simultaneously
Implementation:
Report device internal hardware block diagram from Fig. 1 and set forth above, product can realize " 3G/4G wireless network " and " Ethernet " transmission mode, so when periphery is linear or microphone signal inputs to nucleus module, by " control system (TPS65930) ", the network interface chip (DM9000AEP) of Control ethernet and the driving chip (DM9000AEP) of 3G/4G carry out work simultaneously, and send to this two driving chip to carry out transmission process the data after central processing unit (DM3730) process simultaneously, to achieve 3G/4G wireless network and Ethernet individual transmission simultaneously, and do not interfere with each other,
3) 3G/4G transport module supports UNICOM, movement, telecommunications card individually or mixed transport;
Implementation:
Device internal hardware block diagram is reported from Fig. 1,3G/4G Wireless Internet access module is connected by USB1 interface, but be finally carry out driving by driver module (USB3320 chip) to identify, so need to transplant UNICOM, movement, telecommunications card driver in this driver module simultaneously, just can compatible UNICOM, movement, the telecommunications card of using be transmitted with controlling by backstage central processing unit (DM3730) data processing of nucleus module more simultaneously, different according to the card connected, not only can control separately, can Hybrid mode transmission be carried out;
4) 3G/4G network possesses single deck tape-recorder, redundancy, point stream transmission mode
Implementation:
Report device internal hardware block diagram and above " 3G/4G wireless network transmissions pattern " by Fig. 1 and set forth the idiographic flow scheme that known 3G/4G wireless network transmissions realizes, " single deck tape-recorder, redundancy, shunting " transmission means can be realized simultaneously, mainly be that control system (TPS65930) controls driver module (USB3320) and drives youngster to open 3G/4G on-line module, and control the transmission means of the data after central processing unit (DM3730) process, specific as follows:
Single deck tape-recorder: control driver module (USB3320) and drive 1 3G/4G on-line module, the data after central processing unit (DM3730) process are only by the capable transmission of this Zhang Kajin;
Redundancy: control driver module (USB3320) and drive 2 3G/4G on-line modules, data after central processing unit (DM3730) process are transmitted by 2 cards simultaneously, and often open the data consistent of card transmission, play backup effect, and be independent of each other;
Shunting: driver module processed (USB3320) drives 2 3G/4G on-line modules, the data after central processing unit (DM3730) process are transmitted by 2 cards simultaneously, but often open the half of card transmission data, play shunting transmitting effect;
5) two way audio real-time Transmission, bidirectional call function
Implementation:
Two way audio real-time Transmission, bidirectional call function specific implementation, realize, because report device and server all possess transmitted in both directions function with reference to " operation principle of report device " and " operation principle of server ".
Claims (10)
1. a multi-functional interview report transmitter, is characterized in that, comprises core processing module, Ethernet link block, wireless communication module, input signal amplification module, output signal amplification module, human-machine interface module and memory module;
Described Ethernet link block, wireless communication module, input signal amplification module, output signal amplification module, human-machine interface module and memory module are all connected with core processing module;
Described core processing module comprises central processing unit, control system and internal memory;
Described Ethernet link block comprises RJ45 network interface and network interface chip; RJ45 network interface is connected with core processing module by network interface chip;
Wireless communication module is used for carrying out exchanges data with 3G/4G network, comprises 3G/4G on-line module and USB driving chip, and 3G/4G on-line module is connected with core processing module by USB driving chip;
Input signal amplification module comprises the amplifier module be connected with the input of core processing module, after the audio signal of microphone/linear input is carried out amplification process, send into core processing module;
Output signal amplification module comprises the amplifier module be connected with the output of core processing module, and the audio signal for core processing module being exported is sent into after carrying out amplification process and monitored interface.
2. multi-functional interview report transmitter according to claim 1, is characterized in that, also comprises the voltage transformation module of powering for core processing module; The input termination 8.4V direct voltage of voltage transformation module.
3. multi-functional interview report transmitter according to claim 2, it is characterized in that, human-machine interface module comprises touches liquid crystal display screen and the liquid crystal driver module for driving touch LCD to shield.
4. multi-functional interview report transmitter according to claim 3, is characterized in that, also comprising the potentiometer for adjusting multiplication factor in input signal amplification module.
5. multi-functional interview report transmitter according to claim 4, is characterized in that, also comprise the toggle switch be connected with core processing module and earphone drive module in input signal amplification module; Toggle switch is linear signal or Mike's microphone signal for selecting input signal; Earphone drive module is connected with earphone interface, and this earphone interface is used for headphone monitor.
6. multi-functional interview report transmitter according to claim 5, it is characterized in that, voltage transformation module adopts LM2596 chip;
Liquid crystal display screen driver module adopts TFT43AB chip, is responsible for driving liquid crystal display screen display, and the operation setting of liquid crystal display screen is transferred to core processing module;
Network interface chip adopts DM9000AEP chip;
USB driving chip adopts USB3320 chip;
Control system in core processing module adopts TPS65930 chip; Central processing unit adopts DM3730 chip; Memory adopts H90A4GH4JJBM, is responsible for the data that storage core processing module processes in real time;
Memory module adopts TF memory module, is responsible for the voice data that memory device receives and launches;
Amplifier module adopts OPA2l 34 operational amplifier;
Earphone drive module adopts TDAl308 chip;
Input signal amplification module has two-way input signal amplifying circuit; Output signal amplification module has two-way output signal amplification circuit.
7. a transmission system, it is characterized in that, comprise communication network and multiple multi-functional interview report transmitter as described in any one of claim 1-6, one of them multi-functional interview report transmitter is as server, and remaining multi-functional interview report transmitter is as report device; Server has data and broadcasts port;
Report device is used for spot coverage report, and server is used for long-range audio frequency and broadcasts;
Report device is connected with server communication by communication network; Described communication network comprises 3G/4G network and internet.
8. transmission system according to claim 7, is characterized in that, also comprises live sound console; Live sound console broadcasts port with the data of server and is connected; Data are broadcasted port and are supported to implement network direct broadcasting simultaneously.
9. a data transmission method, is characterized in that, adopts transmission system according to claim 8; Based on the Ethernet link block possessed in report device and server and wireless communication module, audio data transmission is realized, independent Ethernet transmission mode that transmission means comprises (1), (2) independent 3G/4G wireless network transmissions pattern and (3) 3G/4G wireless network and Ethernet transmission mode simultaneously by least one transmission mode in 3G/4G wireless network, Ethernet two kinds of transmission modes.
10. data transmission method according to claim 9, is characterized in that, independent 3G/4G transmission mode comprises following 3 kinds of concrete transmission modes:
(1) single deck tape-recorder pattern: report that the USB control driver module in device and server drives 1 3G/4G on-line module, the data after central processing unit process are only transmitted by this 3G/4G on-line module;
(2) redundant mode: report that the USB control driver module in device and server drives 2 3G/4G on-line modules, data after central processing unit process are transmitted by 2 3G/4G on-line modules simultaneously, and the data consistent of each 3G/4G on-line module transmission, play backup effect, and be independent of each other;
(3) shunt mode: report that the USB control driver module in device and server drives 2 3G/4G on-line modules, data after central processing unit process are transmitted by 2 3G/4G on-line module cards simultaneously, but the half of each 3G/4G on-line module transmission data, plays shunting transmitting effect.
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Application publication date: 20150715 |