CN106034257A - Multimedia application system based on radio and television - Google Patents
Multimedia application system based on radio and television Download PDFInfo
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- CN106034257A CN106034257A CN201510105362.1A CN201510105362A CN106034257A CN 106034257 A CN106034257 A CN 106034257A CN 201510105362 A CN201510105362 A CN 201510105362A CN 106034257 A CN106034257 A CN 106034257A
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Abstract
The invention discloses a multimedia application system based on radio and television. The multimedia application system comprises a coder, a content management system, an advertisement management system, a file issuing system, an IPQAM module and a signal transmission system, wherein the coder is arranged at a frontend machine room and is connected with a digital television DTMB for ground transmission. The digital television DTMB transmits at least two video program flows to the coder. One end of the IPQAM module is connected with the coder, and the other end is connected with the signal transmission system. The IPQAM module performs QAM modulation and frequency conversion on received information, and outputs an RF signal to the signal transmission system. The signal transmission system transmits the signal to a wireless router for facilitating receiving by a user. The content management system and the advertisement management system are connected with the file issuing system. The file issuing system is connected with the IPQAM module. The multimedia application system pushes a television program to a mobile terminal so that suitability for multiple terminals, high timeliness and watching position changeability are realized in watching TV programs.
Description
Technical field
The present invention relates to MultiMedia Field, refer in particular to a kind of multimedia application system based on radio and television.
Background technology
Along with developing rapidly of the rise of the Internet, particularly mobile Internet, intelligent terminal becomes fashionable group and youthful new lover.Although radio and television are greatly developing DTV, but terminal still is limited on television set, the new media platform of mobile terminal is not formed " covering ", audient's aging, the Homes Using TV of television set is gradually lowered, the power of influence of consumption main flow colony is declined by television station, the most also can affect effect and the income of television advertising.And be also the demand having rating for neozoic youngster, and as the main force of consumption, also it is maximum towards youthful ad revenue.But the charge being limited to telecom operation by mobile terminal viewing Web TV is higher, it is impossible to accomplish to watch whenever and wherever possible.
And the CATV signal that existing DTV is mainly transmitted by coaxial cable.Although covering most of family, meeting masses and seeing the primary demand of TV, but new media cannot be met, such as: the demand that the terminals such as mobile phone, ipad, computer are watched whenever and wherever possible.Additionally, do not have corresponding TV programme to cover in public territory (market, bar etc.) yet., there is terminal single in traditional TV industry, position is fixed.Video website has a problem in that and cannot realize the most live of program.And it is low to there is bandwidth, image quality is poor, easily because the blocking of internet causes the interruption of rating.Having affected the most thin out from family at TV, network cannot carry high definition and play, and on the premise of causing certain network delay, the form using multiple terminals to watch TV becomes the inexorable trend of teleview.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that a kind of multimedia application systems based on radio and television.
The technical scheme that the present invention takes is as follows: a kind of multimedia application systems based on radio and television, including encoder, Content Management System, Advertising Management System, file sending system, IPQAM module and signal transmitting system, wherein, above-mentioned encoder is arranged on headend room, and be connected with the DTV DTMB of terrestrial transmission, DTV DTMB transmits at least two road video frequency programs and flow to encoder, and this video program stream is encoded by encoder；Above-mentioned IPQAM module one end is connected with encoder, the other end is connected with signal transmitting system, IPQAM module receives the information after encoder coding, and this information is carried out QAM modulation and frequency conversion, output radiofrequency signal is to signal transmitting system, this signal is launched to wireless router by signal transmitting system, in order to user receives；Foregoing management system and Advertising Management System are connected with file sending system respectively, file sending system is connected with above-mentioned IPQAM module, file sending system receives from Content Management System and the file to be sent of Advertising Management System, sends to IPQAM module after reading this document and compressing packing.
Preferably, described encoder includes soft DVB gateway and video conversion module, and video program stream is converted to the form of H.264 Video coding+AAC audio coding by encoder, and exports to IPQAM module in TS over UDP mode.
Preferably, described Content Management System includes that channel data, playbill data and client data are modified after preserving and sent to file sending system by channel management module, programme management module and client manager module, channel management module, programme management module and client manager module respectively.
Preferably, described Advertising Management System includes agency's management module, user management module, advertisement handling of goods and materials and putting module, advertisement position management module and order management module, and the data that above-mentioned each module is formed send to file sending system.
Preferably, described file sending system includes that predefined script module, file issue main program module and profile module, wherein, above-mentioned predefined script module receives the file to be sent sent from file management system and Advertising Management System, and the file received is stored and processed.
Preferably, described profile module issues main program module with above-mentioned file and is connected, profile module define issue the documents version number, at destination path, step path and the tupe of receiving terminal " broadcasting and TV multimedia " hotspot device storage, and the information after definition is transferred to file issues main program module.
Preferably, described file issues the main program module definition according to configuration file, reads aforementioned file to be sent, compression packing, and sends IP packet to IPQAM module with the data volume of one packet of 32K byte with UDP multicast mode.
The beneficial effects of the present invention is:
The present invention is to solve the present situation of current DTV, through the research and development of a year, complete broadcasting and TV multimedia number operation system--based on numeral broadcasting and TV DVB(are wireless, wired, satellite) the Mobile new media operation technological system of broadcast singal, broadcasting and TV multimedia is under the Internet, broadcasting and television network, wireless mobile network integration of three networks background, use the technical approach that broadcast and mobile Internet blend alternately, based on television network broadcast towards intelligent mobile terminal, and there is a wireless video service of independent intellectual property right.By the multimedia technology of broadcasting and TV, broadcasting and television network achieves to the extension being wirelessly transferred covering, broadcast television content extends to the multiple mobile terminal such as panel computer, smart mobile phone from single television set, and application places extends to public place from family, finally realizes TV ubiquitous.Broadcasting and TV are multimedia to be promoted on a large scale, will fundamentally solve the present situation of DTV, TV programme is pushed on mobile terminal, allows more crowd watch excellent physical recreation program, real-time Domestic News whenever and wherever possible.Broadcasting and TV multimedia can transmit the condition of a disaster emergency information in real time simultaneously, provides security service for the numerous common people.The present invention can issue for the multiple terminals of broadcast TV program, and carries out popularization and the advertising campaign of product in the broadcasting of TV targetedly, makes businessman and spectators can reach real material benefit and enjoys mutually.Watching of TV is made to accomplish terminal multiformity, TV reception promptness, watch position polytropy.
Accompanying drawing explanation
Fig. 1 is the frame principle figure of the present invention.
Fig. 2 is the frame principle figure of file sending system in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1 to Figure 2, the technical scheme that the present invention takes is as follows: a kind of multimedia application systems based on radio and television, including encoder, Content Management System, Advertising Management System, file sending system, IPQAM module and signal transmitting system, wherein, above-mentioned encoder is arranged on headend room, and be connected with the DTV DTMB of terrestrial transmission, DTV DTMB transmits at least two road video frequency programs and flow to encoder, and this video program stream is encoded by encoder；Above-mentioned IPQAM module one end is connected with encoder, the other end is connected with signal transmitting system, IPQAM module receives the information after encoder coding, and this information is carried out QAM modulation and frequency conversion, output radiofrequency signal is to signal transmitting system, this signal is launched to wireless router by signal transmitting system, in order to user receives；Foregoing management system and Advertising Management System are connected with file sending system respectively, file sending system is connected with above-mentioned IPQAM module, file sending system receives from Content Management System and the file to be sent of Advertising Management System, sends to IPQAM module after reading this document and compressing packing.
Encoder includes soft DVB gateway and video conversion module, and video program stream is converted to the form of H.264 Video coding+AAC audio coding by encoder, and exports to IPQAM module in TS over UDP mode.
Content Management System includes that channel data, playbill data and client data are modified after preserving and sent to file sending system by channel management module, programme management module and client manager module, channel management module, programme management module and client manager module respectively.
Advertising Management System includes agency's management module, user management module, advertisement handling of goods and materials and putting module, advertisement position management module and order management module, and the data that above-mentioned each module is formed send to file sending system.
File sending system includes that predefined script module, file issue main program module and profile module, wherein, above-mentioned predefined script module receives the file to be sent sent from file management system and Advertising Management System, and the file received is stored and processed.
Profile module issues main program module with above-mentioned file and is connected, profile module define issue the documents version number, at destination path, step path and the tupe of receiving terminal " broadcasting and TV multimedia " hotspot device storage, and the information after definition is transferred to file issues main program module.
File issues the main program module definition according to configuration file, reads aforementioned file to be sent, compression packing, and sends IP packet to IPQAM module with the data volume of one packet of 32K byte with UDP multicast mode.
Further, the present invention is to solve the present situation of current DTV, through the research and development of a year, complete broadcasting and TV multimedia number operation system--based on numeral broadcasting and TV DVB(are wireless, wired, satellite) the Mobile new media operation technological system of broadcast singal, broadcasting and TV multimedia is under the Internet, broadcasting and television network, wireless mobile network integration of three networks background, use the technical approach that broadcast and mobile Internet blend alternately, based on television network broadcast towards intelligent mobile terminal, and there is a wireless video service of independent intellectual property right.By the multimedia technology of broadcasting and TV, broadcasting and television network achieves to the extension being wirelessly transferred covering, broadcast television content extends to the multiple mobile terminal such as panel computer, smart mobile phone from single television set, and application places extends to public place from family, finally realizes TV ubiquitous.Broadcasting and TV are multimedia to be promoted on a large scale, will fundamentally solve the present situation of DTV, TV programme is pushed on mobile terminal, allows more crowd watch excellent physical recreation program, real-time Domestic News whenever and wherever possible.Broadcasting and TV multimedia can transmit the condition of a disaster emergency information in real time simultaneously, provides security service for the numerous common people.The present invention can issue for the multiple terminals of broadcast TV program, and carries out popularization and the advertising campaign of product in the broadcasting of TV targetedly, makes businessman and spectators can reach real material benefit and enjoys mutually.Watching of TV is made to accomplish terminal multiformity, TV reception promptness, watch position polytropy.
Further, the DTV (DTMB) of terrestrial transmission in local reception and is converted to Wi-Fi signal by present invention multimedia application system based on radio and television, watches for mobile phone, panel computer and PC.For this service mode and product, front end provides the distribution of a whole set of data and management platform (hereinafter referred to as " platform " or " this platform "), is made up of subsystems such as IPQAM, encoder, file sending system, Content Management System, Advertising Management Systems.
Encoder, at headend room, multi-channel video program encodes firstly the need of encoded device, and the format videos such as MPEG-2 are encoded to H.264 Video coding+AAC audio coding, exports in TS over UDP mode and is for further processing to IPQAM.Encoder belongs to the subsystem of comparison independence in this platform, compatible hard encoder and soft encoder in current platform scheme.Hard encoder is provided by third party；Soft encoder is standard module supporting in platform, with software mode by video flowing real-time coding, has accomplished that a standard 1U server is concurrently that 6 road program streams encode.The nucleus module of soft encoder is soft DVB gateway+video code conversion software.Encoder effect one in this platform is to change the form that audio/video coding form is supported into user terminal, and two is to reduce code check so that accommodate more number of programs after QAM modulation, ensures that user terminal plays smoothness simultaneously.
IPQAM, IPQAM modulating equipment integrates " multiplexing, scramble, modulate, frequency transformation " function, the program stream multiplexing again that DVB/IP is inputted from IP backbone by it is in the multi-service transport stream specified, then carries out QAM modulation and frequency transformation, exports radiofrequency signal.The IPQAM input data of this platform include the video IP packet after coding and file IP packet.Multiple data through multiplexing, as one man can be issued by the broadcast of DTMB signal, and be processed by " broadcasting and TV multimedia " hotspot device reception inside IPQAM.
File sending system, it is the basic agreement that front end communicates with receiving terminal that file issues technology, is also that the data of " broadcasting and TV multimedia " business transmit one of core.
Front end file issues flow process, and file to be sent needs to be ready in broadcasting and TV multimedia front-end server particular category.Bibliographic structure the most clearly maps the storage organization of the target directory of receiving terminal " broadcasting and TV multimedia " hotspot device.The storage of file and process and can be realized by a predefined script after reception, wherein can be with the concrete file operation of specific definition by Linux Shell order.File issues mastery routine and reads a specific configuration file.This configuration file define issue the documents version number, in the information such as destination path, step path and tupe of receiving terminal " broadcasting and TV multimedia " hotspot device storage.The generally version updating to previous version file (catalogue) issues and only need to change version number after file is ready to.File issues the mastery routine definition according to configuration file, reads aforementioned file to be sent, compression packing, and sends out multicast (noticing that the frequency sent here determines file and sends the bandwidth taken) with the data volume of one packet of 32K byte in UDP mode.Issuing for ordinary file, transmission mode is circulation carousel, the most no matter when accesses, and receiving terminal can receive complete important peripheral file.Multicast packet then enters the follow-up equipments such as IPQAM, is encapsulated into ts stream, after coded modulation, is launched with terrestrial television signal by transmitter.And at receiving terminal, after having processed decapsulation flow process, receiving terminal server has only to reverse process above-mentioned UDP multicast and i.e. can get complete compressing file bag.After above-mentioned flow process is encapsulated as WEB interface, can update more easily and issue the documents.
Test release management, has 8 packets (catalogue) to be issued by WEB administration interface at present.From the right webpage it can be seen that information such as its version number, tupe and target directories.Issue technology based on above-mentioned file, encapsulate out the various main management function interface needed for broadcasting and TV multimedia service, channel data, programme, UI resource, receiving terminal configuration file and alternative document etc. can be processed and issue.And above-mentioned file issues technology and guarantees without Two-way Network when, remain able to be managed the basic service of each receiving terminal by the content management server of front end.
Content Management System, the Content Management of this platform, based on above-mentioned file sending system, includes the management to multiple data such as direct broadcast band, programme, client softwares.Channel manages: live television channel information is also adjustable in.Content Management System provides the amendment interface of order and channel itself in front end, and after revising and preserving, these data will be issued to receiving terminal, and finally embodies on the handheld terminal of user.Programme manages: owing to TV programme have programme predict, thus front end periodically (weekly) can submit the programme XML file of the most all channels to, by being real time updated receiving terminal after the submission of management backstage.Other guide manages: it addition, further comprises in Content Management System the data management of all service content in " broadcasting and TV multimedia " focus.
Advertising Management System, advertisement is considerable part in this platform.This platform achieves a complete advertisement delivery system.Its function includes: agency's management, user's management, advertisement handling of goods and materials and input, advertisement position management, order management.Agency manages: broadcasting and TV multimedia advertising management system supports multistage ad-agency, and agents at different levels can be responsible for zones of different, and form the data relationship between superior and subordinate between agent at different levels.The management system support of broadcasting and TV multimedia advertising is that agency at different levels independently defines its user, includes manager, advertisement putting person, ad review person, it is also possible to open user account for its advertiser client from role.Advertisement handling of goods and materials and input.Advertisement putting: broadcasting and TV multimedia advertising management system supports multiple advertisement material form (picture, word, video etc.), and precisely can throw in platform.Advertisement position manages: the advertisement position of broadcasting and TV multimedia advertising management system arranges very flexible, can be distributed specific advertisement position to agents at different levels by multiple conditional combination.Order management: the publicity orders of broadcasting and TV multimedia advertising management system supports complete input flow process (include submitting, audit, reach the standard grade, roll off the production line, revise, return), and has detailed form and statistics (needing to combine daily record to return).
Embodiments of the invention simply introduce its detailed description of the invention, do not lie in and limit its protection domain.The technical staff of the industry may be made that some is revised under the inspiration of the present embodiment, therefore all equivalence changes done according to the scope of the claims of the present invention or modification, belong in scope of the patent claims of the present invention.
Claims (7)
1. a multimedia application system based on radio and television, it is characterized in that: include encoder, Content Management System, Advertising Management System, file sending system, IPQAM module and signal transmitting system, wherein, above-mentioned encoder is arranged on headend room, and be connected with the DTV DTMB of terrestrial transmission, DTV DTMB transmits at least two road video frequency programs and flow to encoder, and this video program stream is encoded by encoder；Above-mentioned IPQAM module one end is connected with encoder, the other end is connected with signal transmitting system, IPQAM module receives the information after encoder coding, and this information is carried out QAM modulation and frequency conversion, output radiofrequency signal is to signal transmitting system, this signal is launched to wireless router by signal transmitting system, in order to user receives；Foregoing management system and Advertising Management System are connected with file sending system respectively, file sending system is connected with above-mentioned IPQAM module, file sending system receives from Content Management System and the file to be sent of Advertising Management System, sends to IPQAM module after reading this document and compressing packing.
A kind of multimedia application systems based on radio and television the most according to claim 1, it is characterized in that: described encoder includes soft DVB gateway and video conversion module, video program stream is converted to the form of H.264 Video coding+AAC audio coding by encoder, and exports to IPQAM module in TS over UDP mode.
A kind of multimedia application systems based on radio and television the most according to claim 2, it is characterized in that: described Content Management System includes that channel data, playbill data and client data are modified after preserving and sent to file sending system by channel management module, programme management module and client manager module, channel management module, programme management module and client manager module respectively.
A kind of multimedia application systems based on radio and television the most according to claim 3, it is characterized in that: described Advertising Management System includes agency's management module, user management module, advertisement handling of goods and materials and putting module, advertisement position management module and order management module, and the data that above-mentioned each module is formed send to file sending system.
A kind of multimedia application systems based on radio and television the most according to claim 4, it is characterized in that: described file sending system includes that predefined script module, file issue main program module and profile module, wherein, above-mentioned predefined script module receives the file to be sent sent from file management system and Advertising Management System, and the file received is stored and processed.
A kind of multimedia application systems based on radio and television the most according to claim 5, it is characterized in that: described profile module issues main program module with above-mentioned file and is connected, profile module define issue the documents version number, at destination path, step path and the tupe of receiving terminal " broadcasting and TV multimedia " hotspot device storage, and the information after definition is transferred to file issues main program module.
A kind of multimedia application systems based on radio and television the most according to claim 6, it is characterized in that: described file issues the main program module definition according to configuration file, read aforementioned file to be sent, compression packing, and send IP packet to IPQAM module with the data volume of one packet of 32K byte with UDP multicast mode.
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