CN102065209B - Integrated mobile recording and broadcasting system - Google Patents
Integrated mobile recording and broadcasting system Download PDFInfo
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- CN102065209B CN102065209B CN2010105438531A CN201010543853A CN102065209B CN 102065209 B CN102065209 B CN 102065209B CN 2010105438531 A CN2010105438531 A CN 2010105438531A CN 201010543853 A CN201010543853 A CN 201010543853A CN 102065209 B CN102065209 B CN 102065209B
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Abstract
The invention discloses an integrated cabinet structured mobile recording and broadcasting system which is used for broadcasting and recording an onsite activity via a network. The system comprises a data source controllable center, wherein the data source controllable center can switch audio and video and desktop data streams through a plurality of integrated modules; a service strategy based content scheduling and time sequence management module customizes all equipment operation states and real-time process control by controlling equipment work time sequence logics, and carries out priority protection on equipment through predefined logical operation; and a plurality of data code compression algorithm modules are used for realizing synchronization and code compression of a plurality of data sources, and are used for network distribution. The integrated mobile broadcasting system can integrate all live broadcasting activity required equipment into an integrated work cabinet and bring the equipment to a site according to requirement so as to simplify the working process of the system and improve the working efficiency of onsite recording and rebroadcasting.
Description
Technical field
The present invention relates to multimedia technology, relate in particular to a kind of integrated mobile recording and broadcasting system.
Background technology
Along with the maturation of network direct broadcasting technology, live become in the activities such as remote teaching, meeting interchange important communication with exchange technological means.
The direct broadcast service end need set up a plurality of equipment usually, connects up, and the preparation of software, hardware.Interim live when movable when carrying out once in some place, field apparatus probably can't satisfy live requirement, need be in this place wiring; Carry, set up, debug plurality of devices; Comprise video, audio frequency, record, equipment such as power supply, the preparatory period is longer, and wastes time and energy.
Summary of the invention
The technical problem that the present invention will solve provides a kind of integrated mobile recording and broadcasting system, can make things convenient for the preparation of live equipment.
The present invention provides a kind of integrated mobile recording and broadcasting system, comprising:
The controlled center of data source comprises audio input port, video input port and Ethernet interface, is used for reception and switch audio, video and computer desktop data flow; Said audio input port selection is realized through the audio frequency sound console in the controlled center of said data source, realizes the switching of said video input port through the video matrix module; Power supply through Switching Module switches the connection selection that realizes said Ethernet interface;
Display is used to show audio frequency, video and desktop data flow from the controlled center of data source;
Data compression coder; Be used for synchronously and audio frequency, video and the desktop data flow of compression from the controlled center of data source; And send to live platform; Said data compression coder comprises mobile phone format compressed coding module, computer desktop capturing and coding module and video/audio capturing and coding module, and integrated desktop data fluidisation capturing technology is supported the desktop data flow and looked docking and compression of audio frequency;
Power supply sequential device; Be used for controlling the power connection of said integrated mobile each equipment of recording and broadcasting system and the order of closing; Power connection is followed successively by in proper order: the controlled center of said data, rack computer, said data stream encoding compressor reducer, said display, video equipment, audio frequency apparatus, power-off order and said power connection reversed in order.
According to an embodiment of integrated mobile recording and broadcasting system of the present invention, the controlled center of data source also comprises the content scheduling module, is used for carrying out the work on the spot sequence based on the mode of operation of prediction scheme setting and the content scheduling method of stipulating by prediction scheme.
According to an embodiment of integrated mobile recording and broadcasting system of the present invention, the content scheduling module comprises: numeric keypad, mode switch key,
The front panel chip is used for receiving the user through the digital signal of numeric keypad input, perhaps through the switching signal of mode switch key input through front panel, and digital signal and switching signal are sent to service logic numerical control chip;
Service logic numerical control chip stores professional control logic, and receiving digital signals and switching signal are called corresponding logic according to digital signal and switching signal, generates and the output digital coding;
D/A is used to receive the digital coding from service logic numerical control chip, and digital coding converts corresponding binary code into, outputs to content reception and output single-chip microcomputer plate
Content reception is selected the single-chip microcomputer plate with input, through the binary code that receives, realizes the signal output of various patterns.
Integrated mobile recording and broadcasting system of the present invention; Can all live movable equipment needed therebies be incorporated in the incorporate work cabinet-type air conditioner as required and bring to the scene; Simplify its workflow; Promote on-the-spot production and the operating efficiency of relaying, only needing less people simply to carry out the debugging of network and power supply can be live, can make things convenient for the preparation of live equipment.
Description of drawings
Fig. 1 illustrates the structure chart of an embodiment of integrated mobile recording and broadcasting system of the present invention;
Fig. 2 illustrates the view of another embodiment of integrated mobile recording and broadcasting system of the present invention;
Fig. 3 illustrates the diagram at the controlled center of data source among embodiment of mobile recording and broadcasting system of the present invention;
Fig. 4 illustrates the diagram of data compression coder among embodiment of mobile recording and broadcasting system of the present invention;
Fig. 5 illustrates the diagram of power supply sequential device among embodiment of mobile recording and broadcasting system of the present invention;
Fig. 6 illustrates the structure chart of another embodiment of integrated mobile recording and broadcasting system of the present invention;
Fig. 7 illustrates the diagram of content scheduling module among embodiment of mobile recording and broadcasting system of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.
Fig. 1 illustrates the structure chart of an embodiment of integrated mobile recording and broadcasting system of the present invention.As shown in Figure 1, this moves recording and broadcasting system and comprises the controlled center of data source 11, display 12 and digital coding compressor reducer 13.Wherein, the controlled center 11 of data source comprises audio input port, video input port and Ethernet interface.Receive audio frequency, video and desktop data flow from audio frequency apparatus 14, video equipment 15, computer desktop 16, and realize the output and the switching of audio frequency, video and desktop data flow.The desktop data flow is compiled into network flow with the picture of computer screen and transmits.The controlled center 11 of data source is nucleus equipments that the whole system audio frequency and video are handled, and is used for managing the switching of audio frequency and video and desktop data flow.Audio frequency, video and desktop data flow that display 12 shows from the controlled center 11 of data source.Data compression coder receives audio frequency, video and the desktop data flow of data source controlled center 11 outputs; Synchronously with audio frequency, video and the desktop data flow of compression from the controlled center 11 of data source; And send to live platform, for example mobile phone distribution platform, distribution platform live on line, live telecast platform etc.In addition, the controlled center 11 of data source can also receive the input of external equipment such as external desktop data flow 17, perhaps data flow is outputed to external inspecting equipment 18.
Fig. 2 illustrates the view of another embodiment of integrated mobile recording and broadcasting system of the present invention.As shown in Figure 2, the cabinet type mobile recording and broadcasting system of this integral machine comprises the controlled center of (drawing and pulling type liquid crystal) display/integrated keyboard (touch plate type) 22, data source 21, power supply sequential device 24, wireless microphone receiver 25, digital coding compressor reducer 23 from top to bottom successively.Wherein, power supply sequential device 24 is connected with each equipment in the integrated mobile recording and broadcasting system, controls the power connection of each equipment in the integrated mobile recording and broadcasting system and the order of closing, and avoids receiving rush of current when equipment is opened and closed.
In the foregoing description, each equipment of live action need is incorporated in the mobile rack, each functionalization equipment can be selected the modular product framework that meets country, international standard for use.The encoding process that multimedia system adopts hardware DSP to look audio frequency and computer dynamic screen, stable performance, easy to use.Through front panel whole system is controlled, easy to operate.Adopt the multi-media recording system of specialty, the industrial computer structure cooperates real-time recording software, the nucleus equipment that adopts the controlled center of data source to handle as the whole system audio frequency and video.Merge advanced digital application technology and numerous product functions of enriching practicability in the incorporate fuselage, can control microphone, vision signal, audio signal, DVD and PC image simultaneously.It is an ability a mixing desk that audio signal is accurately controlled, the digital processing unit that audio signal is handled, the digital power amplifier of high-fidelity, high-resolution digital video processor; With necessary in traditional AV applied environment as: functions such as the balanced control of rgb signal selections, vision signal selection, audio mixing, power amplification, room are gathered the whole body; Concentrate on the application system of a multimedia application environment on the unified management platform and to control, thereby truly realize the intellectuality of application system.
Pass through the controlled center of data source, data compression coder and power supply sequential device in the integrated mobile recording and broadcasting system of example shows below in conjunction with Fig. 3 to Fig. 5.
Fig. 3 illustrates the diagram at the controlled center of data source among embodiment of mobile recording and broadcasting system of the present invention.As shown in Figure 3, the controlled center of this data source comprises 4 road audio input ports, 4 road video input ports, 6 road Ethernet interfaces.Audio frequency is realized selecting through audio frequency sound console 31, and video is realized switching through video matrix 32; Power supply through one group of Switching Module 33 switches the connection selection that realizes Ethernet interface, and the collection of accomplishing the desktop data flow is switched.It will be understood by those of skill in the art that audio input port, video input port and Ethernet interface that the controlled center of data source can comprise are not limited to the quantity shown in this embodiment; In addition, can also comprise other input/output interface modules.
Fig. 4 illustrates the diagram of data compression coder among embodiment of mobile recording and broadcasting system of the present invention.As shown in Figure 4, this data compression coder 41 comprises mobile phone format compressed coding module 412, computer desktop capturing and coding module 413 and video/audio capturing and coding module 414.Data flow behind the coding can be to issues such as mobile phone distribution platform, platform live on line, TV platforms.Data source encoding compression device among this embodiment is supported the computer desktop data flow; Can realize the desktop data flow and look docking and compression of audio frequency; Realization is based on the desktop recorded broadcast technology of well-known protocol or proprietary protocol; When guaranteeing definition and sync rates, practiced thrift the bandwidth use amount when watching on the net, realized video, audio frequency or desktop compressed encoding are become can on mobile phone, carry out live special format of watching and agreement.This embodiment is integrated desktop data fluidisation capturing technology has been realized the optimization and the compress technique of the network bandwidth realizing mobile video content compression coding distribution technology.
Fig. 5 illustrates the diagram of power supply sequential device among embodiment of mobile recording and broadcasting system of the present invention.As shown in Figure 5, the switching sequence that moves each equipment in the recording and broadcasting system can be set in logic module chip 50.Each device power supply (DPS) boot sequence shown in Fig. 5 is followed successively by the controlled center of data 51, rack computer 52, data stream encoding compressor reducer 53, display 54, video equipment 55 (for example, video camera), audio frequency apparatus 56; The power-off order in contrast.
The equipment of whole mobile recording and broadcasting system configuration is more, thereby the signal that discharges and recharges of power supply tends to audio frequency apparatus formed to impact to cause equipment fault when system's energising and outage.In the foregoing description, move recording and broadcasting system and form power supply sequential device, realize that energising and outage carry out according to predefined procedure through relevant integrated electronics such as relay, voltage stabilizing chip, electric capacity, and according to corresponding delay sequential is set start-up time of each equipment.When closing a switch, controller can be connected the power supply of each accessory power outlet in order.During powered-down, controller cuts off the power supply of each accessory power outlet by opposite order.The effective protection system equipment of power supply sequential device is avoided rush of current, is reduced the impulse current of power consumption equipment to transmission line, simultaneously, also can play the certain voltage stabilizing and the effect of rectification.In addition, each equipment free band power module, power consumption is big, reduces independent current source unit and integration and realizes that centralized control can save energy.
Fig. 6 illustrates the structure chart of another embodiment of integrated mobile recording and broadcasting system of the present invention.For for purpose of brevity, be not described in detail at this for equipment similar among Fig. 6 with Fig. 1.Compare with Fig. 1, integrated mobile recording and broadcasting system also comprises content scheduling module 69 among this embodiment.Content scheduling module 69 is responsible for carrying out the work on the spot sequence based on the mode of operation of prediction scheme setting with by the content scheduling method of prediction scheme regulation.
In one embodiment, the mainboard of content scheduling module relates to:
A reset key adopts special chip to reset, and is reliable and stable;
The system start-up mode is provided with switch, adopts power supply SECO mouth to link to each other with tfi module;
A slice 2M byte N OR Flash;
Three road serial ports comprise two five line RS_232 serial ports and a three-way RS_232 serial ports;
A RS_485 EBI;
A CAN EBI, 2.0 standards;
4 100M network interfaces adopt DM9000AE, and band connects and the transmission indicator light;
A USB Slave interface is supported USB 2.0 agreements, uses mini-USB AB type interface;
A high speed SD deck.Can realize SD Memory function and SDIO function; A WIFI expansion interface;
But 4 road stereo audio output interface lug machines; The input of 4 road audio frequency can connect microphone in addition;
4 road videos output interface frequently can connect television set or capture card; The input of 4 road videos can connect video capture devices such as video camera in addition
2 VGA interfaces are supported 800x600 resolution; (conversion chip is stable, cheap; Being fit to product uses)
Inner real-time clock has reserve lithium battery interface;
A jtag interface uses the 10*2 contact pin connector;
Four LED
A buzzer
A 10X2 contact pin expansion interface; Comprise 1 road GND, 1 road DA, 8 road AD, 10 road IO, 1 road SPI
One of skill in the art should be appreciated that above interface all can realize as required the expansion.
Introduce a kind of concrete realization of content scheduling module below in conjunction with Fig. 7.
Fig. 7 illustrates the diagram of content scheduling module among embodiment of mobile recording and broadcasting system of the present invention.As shown in Figure 7, this content scheduling module comprises service logic numerical control chip 71, front panel chip 72, (1-9) numeric keypad 73, mode switch key 74, digital to analog converter 75, content reception and input selection single-chip microcomputer plate 76.Alternatively, can also comprise LCDs 77.Store professional control logic in the service logic numerical control chip 71; Front panel chip 72 can receive the user through the digital signal of numeric keypad 73 inputs, perhaps through the switching signal of mode switch key 74 inputs through front panel, and digital signal and switching signal are sent to service logic numerical control chip 71.Can export the numeral number of content status at that time to the user through LCDs 77.Service logic numerical control chip 71 is received digital signal and switching signal; Call corresponding logic according to digital signal and switching signal; Generate digital coding, and convert digital coding into corresponding binary code, output to content reception and output single-chip microcomputer plate 76 through D/A 75.Content accept and the single-chip microcomputer plate of output in 76 (1,0) combinations through the binary code that receives, realize the signal output of various patterns.
Introduce a kind of concrete application of content scheduling module below by way of example.
Suppose that content scheduling and distribution operation prediction scheme are following:
(1) distribution mode: 2 kinds, live, record;
(2) data source is selected, and 4 kinds, each extendible capacity to 8 tunnel (video, audio frequency, computer desktop data flow, remote tv stream);
(3) multiple coding is realized, 4 kinds, exports distribution platform issue (desktop coding, mobile phone coding, video coding, television signal coding) to.
The digital coding rule sees table 1:
Table 1
For example, if distribution mode is live+recorded broadcast; Data source comprises looks audio frequency, computer desktop and remote tv; Coding realizes comprising the mobile phone coding, then to service logic numerical control chip input digit 352.Wherein, the full choosing in the 3 expression distribution modes, 5 expression data sources are selected entirely, and 2 presentation code modes are selected the mobile phone coding.
Move recording and broadcasting system through the audio-video frequency content source being realized software logic control and switching; And to business realizing logical operation sequence; Definition service logic work plan is not only simplified work order and flow process, and can be protected physical equipment not to be damaged because of misoperation;
Embodiments of the invention provide the cabinet type solution of mobile portable machine of original creation, through controlled center of data source and power supply sequential device the integrated equipment of modularization are implemented control.The controlled center of data source is used for controlling audio-video signal, realizes audio frequency and video switching distribution, and desktop data flow switchover policy; Power supply sequential device and control logic module are used for controlling each facility switching order; Data compression coder realizes desktop, look audio frequency three kinds of data flow accurately synchronously and bandwidth reduction and be sent to platform live on line; Encoding compression becomes the mobile phone format protocol to be sent to the mobile phone distribution platform to issue.The embodiment of the invention has adopted highly closely integrated and innovation and application design; Highly integrated standalone feature operational module and modularization application management module, and the workflow strategy of a whole set of service logic and bookkeeping and the algorithm that presets of implementing on-the-spot recorded broadcast technology.
Integrated mobile recording and broadcasting system of the present invention; Can all live movable equipment needed therebies be incorporated in the incorporate work cabinet-type air conditioner as required and bring to the scene; Simplify its workflow, promote on-the-spot production and the operating efficiency of relaying, only needing less people simply to carry out the debugging of network and power supply can be live.Technical scheme of the present invention can be applied to environment such as speech activity, remote teaching activity, teleconference be live; Can satisfy remote training; On-the-spot meeting such as records at requirement; Serve for enterprise, personal user provide flexibility, the personalized propagation, in following application, have considerable economy and Practical Benefit.
Description of the invention provides for example with for the purpose of describing, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation are obvious for those of ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (5)
1. an integrated mobile recording and broadcasting system is characterized in that, comprising:
The controlled center of data source comprises audio input port, video input port and Ethernet interface, is used for reception and switch audio, video and computer desktop data flow; Said audio input port selection is realized through the audio frequency sound console in the controlled center of said data source, realizes the switching of said video input port through the video matrix module; Power supply through Switching Module switches the connection selection that realizes said Ethernet interface;
Display is used to show audio frequency, video and desktop data flow from the controlled center of said data source;
Data compression coder; Be used for synchronously and audio frequency, video and the desktop data flow of compression from the controlled center of said data source; And send to live platform; Said data compression coder comprises mobile phone format compressed coding module, computer desktop capturing and coding module and video/audio capturing and coding module, and integrated desktop data fluidisation capturing technology is supported the desktop data flow and looked docking and compression of audio frequency;
Power supply sequential device; Be used for controlling the power connection of said integrated mobile each equipment of recording and broadcasting system and the order of closing; Power connection is followed successively by in proper order: the controlled center of said data, rack computer, said data stream encoding compressor reducer, said display, video equipment, audio frequency apparatus, power-off order and said power connection reversed in order.
2. integrated mobile recording and broadcasting system according to claim 1; It is characterized in that; The controlled center of said data source also comprises the content scheduling module, is used for implementing by the content scheduling method of predefined mode of operation and regulation the automation control of work on the spot sequence.
3. integrated mobile recording and broadcasting system according to claim 2 is characterized in that, said content scheduling module comprises:
Numeric keypad, mode switch key,
The front panel chip is used for receiving the user through the digital signal of numeric keypad input, perhaps through the switching signal of mode switch key input through front panel, and digital signal and switching signal are sent to service logic numerical control chip;
Said service logic numerical control chip stores professional control logic, and receiving digital signals and switching signal are called corresponding logic according to digital signal and switching signal, generates and the output digital coding;
D/A is used to receive the digital coding from said service logic numerical control chip, and digital coding converts corresponding binary code into, outputs to content reception and selects the single-chip microcomputer plate with input
Said content reception is selected the single-chip microcomputer plate with input, through the binary code that receives, realizes the signal output of various patterns.
4. integrated mobile recording and broadcasting system according to claim 1 is characterized in that, also comprises: touch integrated keyboard and/or wireless microphone receiver.
5. integrated mobile recording and broadcasting system according to claim 1 is characterized in that, the controlled center of said data source can also external computer desktop data flow and watch-dog.
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| CN102438098B (en) * | 2011-11-29 | 2013-06-05 | 北京东方艾迪普科技发展有限公司 | Switch method for multiple sets of switch equipment |
| CN105407361A (en) * | 2015-11-09 | 2016-03-16 | 广州华多网络科技有限公司 | Audio and video live broadcast data processing method and device |
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| CN109993882A (en) * | 2017-12-29 | 2019-07-09 | 山东新北洋信息技术股份有限公司 | Equipment starting method, storage medium and automatic vending machine |
| CN109194963A (en) * | 2018-09-27 | 2019-01-11 | 深圳市中新力电子科技有限公司 | A kind of network marketing net cast display systems |
| CN109803105A (en) * | 2018-12-26 | 2019-05-24 | 中音讯谷科技有限公司 | A kind of integrated audio/video recorded broadcast equipment |
| CN110379435A (en) * | 2019-09-04 | 2019-10-25 | 体奥动力(北京)体育传播有限公司 | A kind of audio-frequency processing method and device |
| CN111031263A (en) * | 2019-11-27 | 2020-04-17 | 深圳市中云智慧科技有限公司 | Personal live broadcast platform device |
| CN115914508A (en) * | 2022-10-31 | 2023-04-04 | 贵州电网有限责任公司 | Automatic signal detection switching device and method applied to video terminal |
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