CN101742246B - System and method for realizing interactive service of mobile multimedia broadcast - Google Patents
System and method for realizing interactive service of mobile multimedia broadcast Download PDFInfo
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- CN101742246B CN101742246B CN 200910231111 CN200910231111A CN101742246B CN 101742246 B CN101742246 B CN 101742246B CN 200910231111 CN200910231111 CN 200910231111 CN 200910231111 A CN200910231111 A CN 200910231111A CN 101742246 B CN101742246 B CN 101742246B
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Abstract
The invention discloses a system and a method for realizing an interactive service of mobile multimedia broadcast. The system comprises a content managing system, a data broadcast platform, an interactive service platform, a multiplexer, a mobile multimedia broadcast network and a mobile multimedia broadcast terminal. The method comprises the following steps: performing broadcast control management after transmitting interactive content with synchronizing information to the data broadcast platform by the content managing system; multiplexing audio, video and interactive data of which the service IDs are consistent to the same multiplexing subframe by the multiplexer; returning an interactive message input by a user at the broadcast terminal to the interactive service platform; sending an interactive response message back to a user terminal by the interactive service platform; and showing the interactive service in the modes of consulting and browsing, leaving words and commenting by the user, recommending programs, chatting online, voting to guess, downloading, paying, shopping and the like at the user terminal. The system and the method solve the problems that a front-end platform and a terminal user cannot interact with each other and that the program style is single; and the developed new broadcasting and receiving mode can be widely used for services of a mobile phone television, a PDA and the like.
Description
Technical field
The invention belongs to filed of mobile multimedia broadcasting, especially belong to a kind of system and method for interactive service of mobile multimedia broadcast.
Background technology
Along with the mobile broadcast development of Communication Technique; With the difficult interactive requirement of satisfying people of the unidirectional acquired information of existing mobile phone TV services; And existing CMMB has only the downlink broadcast channel; Shortage connects with the system of uplink modes such as phone, note, causes the program pattern single, is difficult to accomplish the interactive service of CMMB.
Summary of the invention
The objective of the invention is to deficiency to prior art; A kind of system and method for realizing interactive service of mobile multimedia broadcast is proposed; Interactive event on the hand held television can be set in proprietary data system; The forms such as phone, note of applying in a flexible way are carried out auto-associating, constitute the program pattern and enrich changeable interactive service.
For realizing above-mentioned purpose; The invention provides a kind of system that realizes interactive service of mobile multimedia broadcast; Connecting data broadcast platform and interactive service platform by Content Management System; Data broadcast platform is given multiplexer with interactive data, and multiplexer carries out data multiplex according to its traffic ID to the audio-video-frequency broadcast of importing, and sends to mobile multi-media broadcast terminal through the CMMB net.
Wherein, Content Management System comprises: the product library module comprises content storage server, content storage management work station and Content Advisor management work station; Video-voice frequency flow and interactive data are unified the layout administration module that ID encodes, comprise and broadcast editor, daily record/user management, broadcast Control Server and broadcast monitor workstation.Content Management System is used for the content/service provider of interactive service is managed, the interactive service content information is examined, interactive information data and audio, video data are realized synchronously, realize guaranteeing that the terminal use accurately receives corresponding interactive data when watching audio/video program; Business datum between interactive service platform and the data broadcast platform is carried out synchronously.
Data broadcast platform: be used for the interactive service of mobile multimedia broadcast data directory that the interactive service of mobile multimedia broadcast service module generates is sent to user terminal.Data broadcast platform comprises Broadcast Control management system, scrambler and file generator etc.Wherein Broadcast Control management system is broadcast parameter information to business tine and is configured, and comprises data broadcast files generator is opened and closed management, and the opening and closing of XPE packaging machine are managed.Scrambler provides the safeguard protection of sufficient intensity to business datum.Its file generator comprises file management, compressed encoding, entangles equipment such as deleting coding, file generation, file division, data encapsulation, outgoing management, multicast.
The interactive service platform: comprise that the interactive service layout is provided with module, module, statistical module that user's interactive operation is responded and comprise and wired and wireless communication networks gateway, Short Message Service Gateway, voice gateways, Content Management System, OSS between carry out interconnected interface module.The terminal use operates at the operation interface of interactive application that (as: consulting is browsed, the user leaves a message comment, program commending, online chatting, ballot guess, download, shopping etc.), the terminal is sent note, is perhaps visited the WAP/WEB webpage of appointment through voice gateways to the interactive service front end system, and the interactive service platform is made corresponding response.Interactive service statistical function module comprises related service data such as user's actual participation interactive application is added up.Functional module interface, comprise and WAP gateway, Short Message Service Gateway, voice gateways and CMS between, the interface function between the BOSS.The interactive message that the user imports at broadcast terminal turns back to the interactive service platform, and the interactive service platform is sent interactive response message through duplex channel or CMMB net back to user terminal.
Multiplexer: by the input module that connects data such as audio/video flow and interactive service, the data of being imported are judged and then constituted Configuration Manager and output module that the consistent audio frequency and video of traffic ID and datacast data are multiplexed in the same multiplexed sub frame.Multiplexer is when receiving audio/video flow, and interactive data sends to multiplexer through data broadcast platform; Multiplexer is judged input data service consistency, and audio frequency and video and the datacast data consistent traffic ID are multiplexed in the same multiplexed sub frame, and output multiplex stream data guarantee to look audio frequency and synchronization of data.
CMMB net: with logical satellite and the various places transmitting station of being delivered to of the multiplex stream data of multiplexer output, constitute the wireless coverage CMMB net of world one, supply the terminal to receive.
The terminal comprises: receiving processing module; Be used for resolving the application manager that browse engine and playback engine are managed; Be used to represent the display module of the interactive service data that said interactive service service module sends, be used for the message of user's input is sent to through wired and cordless communication network the interactive message transmission module of said interactive service service module.Wherein playback engine comprises the audio-video-frequency broadcast that receives is play.
Through the said system technical scheme, can realize the interactive service of mobile TV.
The invention provides a kind of method that realizes interactive service of mobile multimedia broadcast, may further comprise the steps:
The first step, the interaction content that Content Management System will have synchronizing information is transferred to data broadcast platform, comprises video-voice frequency flow and interactive data are unified the ID coding;
In second step, data broadcast platform carries out the Broadcast Control management to content;
The 3rd step; Multiplexer is when receiving audio/video flow and the interactive data from data broadcast platform; The professional consistency of judgment data, audio frequency and video and the interactive data consistent traffic ID are multiplexed in the same multiplexed sub frame, look audio frequency and data sync in the multiplex stream data that control is exported;
The 4th step, interactive service with consulting browse, modes such as the user leaves a message comment, program commending, online chatting, ballot guess, download, payment, shopping represent at user terminal;
In the 5th step, the interactive message that the user imports at broadcast terminal turns back to the interactive service platform, and the interactive service platform is added up, and sends interactive response message through duplex channel or CMMB net back to user terminal.
In the above-mentioned interactive process, user terminal is resolved said interactive service data, shows corresponding interactive information; User terminal returns interactive message through mobile radio communication to the interactive service platform; The interactive service platform is wireless through CMMB net or other, wired network is to the user terminal echo back data.User terminal can be selected one or more of WAP/HTTP mode, short message mode or voice mode, wifi, wipi, wlan, these two-way communication modes of wimax network, realizes and the interaction of radio network, and interactive message is turned back to the interactive service platform.
The invention provides the system and method for realizing interactive service of mobile multimedia broadcast; The problem that having solved front-end platform and terminal use can't be interactive, the program pattern is single; Can obtain feedback information rapidly; Getting in touch immediately of audient's end in having set up initiator and having moved constitutes the program pattern and enriches changeable interactive service, and that is opened up newly broadcasts the receipts pattern and can be widely used in business such as mobile TV, PDA.
Description of drawings
Fig. 1 realizes the structural representation of the system of interactive service of mobile multimedia broadcast for the present invention;
Fig. 2 realizes the data of interactive service of mobile multimedia broadcast and the multiplexing flow process of audio frequency and video for the present invention;
Fig. 3 realizes data class interactive service and the audio frequency and video+data class interactive service of the interactive service of mobile multimedia broadcast encapsulation format at multiplexed sub frame for the present invention;
Fig. 4 realizes the flow chart of the method for interactive service of mobile multimedia broadcast for the present invention.
Embodiment
Embodiment 1 explains that with Fig. 1 the present invention realizes the system of interactive service of mobile multimedia broadcast:
Structure shown in Figure 1 comprises Content Management System S1, data broadcast platform S2, interactive service platform S5, multiplexer S3 and mobile multi-media broadcast terminal S4.
Wherein, Content Management System S1 is used for interactive service content/service provider is managed, the interactive service content information is examined, interactive information data and audio, video data are realized synchronously, guarantee that the terminal use accurately receives the response interactive data when watching audio/video program; And synchronizing traffic data function between interactive service platform and the data broadcast platform.
Data broadcast platform S2: comprise file generator, scrambler, XPE packaging machine, transmitted in both directions tolerant system.Be used for the interactive service of mobile multimedia broadcast data that said interactive service of mobile multimedia broadcast service module generates are sent to multiplexer and finally send to user terminal.
Interactive service platform S5: comprise that the interactive service layout is provided with module, module, statistical module that user's interactive operation is responded and carry out interconnected interface module.
Multiplexer S3: audio frequency and video and interactive data that traffic ID is consistent are multiplexed in the same multiplexed sub frame.
Mobile multi-media broadcast terminal S4: the audio-video-frequency broadcast to receiving is play, resolve and represent the interactive service of mobile multimedia broadcast data with and interactive message sent to the interactive service service module.
The interaction of said system is: content of mobile multimedia broadcast management system S1 generates multimedia interaction content information and mobile multimedia broadcasting interactive content Broadcast Control information, and is sent to mobile multi-media broadcasting data broadcast platform S2.Content or other application upper strata content that data broadcast platform S2 is used for content of mobile multimedia broadcast management system S1 layout audit is passed through are carried out the Broadcast Control management; Mainly comprise data broadcast files generator is opened and closed management, to XPE packaging machine opening and closing management etc.Multimedia interaction content information after data broadcast platform S2 will feed back is sent to multiplexer S3.Multiplexer S3 is sent to mobile multi-media broadcast terminal S4 with the interactive service data, and the terminal exists interactive bag data message to carry out the reception of interactive service information in the data segment of same multiplexed sub frame through differentiating when receiving audio, video data.After the complete reception data broadcasting of receiver module information, get final product appearing of trigger data content.Mobile multi-media broadcast terminal S4 receives and promptly represents after interactive information is accomplished; The application manager of mobile multi-media broadcast terminal S4 is responsible for resolving browse engine and the two-part management of playback engine, and the while can be responsible for space layout, the content revealing of interaction scenarios, space layout represent form.When the user asked interaction, application manager was responsible for calling corresponding other application modules (SMS, WAP/HTTP, voice etc.) in terminal, carries out reciprocal process.
Interactive process is: mobile multi-media broadcast terminal S4 does corresponding SMS or operations such as WAP/HTTP or voice according to user's selection result, and the network of use comprises wifi, wipi, and wimax, wlan, GSM waits bidirectional communication network.Mutual result transfers to interactive service platform S5 through bilateral network, and the interactive service platform is made corresponding response.Specifically, after the user clicks relevant content information, can log on related pages, browse interaction content, and select option or input content; When adopting short message mode, show user's information to comprise for example interactive ballot short message interacting content etc., the note receiver address is the predefined note receiver address in interactive backstage; When adopting voice mode, can directly dial telephone number pre-set in the interactive page.The terminal use also can send note through the HTTP mode, through voice gateways to said multimedia broadcasting interactive operation system or visit the WAP/WFB webpage of appointment, carry out interactive service.
The multiplexing flow process of interactive data shown in Figure 2 and audio, video data.Data acquisition front 10 is when multiplexer 20 sends audio and video data streams 11, and interactive data 12 sends to multiplexer 20 through data broadcast platform 14 behind the time sequential routine that presets 13; Multiplexer 20 is judged input data service consistency,, is multiplexed in the same multiplexed sub frame 21 output multiplex stream data 23 traffic ID consistent audio frequency and video and interactive data.
Not related with audio/video flow interactive data is also arranged, behind the time sequential routine that presets 13, send to multiplexer 20 through data broadcast platform 14; Multiplexer 20 is judged input data service consistency,, is multiplexed in the independent multiplexed sub frame 22 output multiplex stream data 23 the unique interactive data of traffic ID.
Interactive service shown in Figure 3 represents according to the difference of business has two kinds of multiplexing methods, corresponds respectively to identical services ID and different business ID:
Among the figure, the multiplexed sub frame in the multiplexed frame has audio frequency and video+data class interactive service, simple audio frequency and video, simple data class interactive service totally three kinds of encapsulation format, multiplexed sub frame 31, multiplexed sub frame 32, the multiplexed sub frame 33 of corresponding multiplexed frame 30 the insides respectively; The audio frequency and video of identical services ID+data class interactive service is encapsulated in 31 li of same multiplexed sub frames; The audio frequency and video of different business ID and data class interactive service then are encapsulated in 33 li of different multiplex subframe 32, multiplexed sub frames; 36 li of the multiplexed sub frame data segments that interactive data is arranged, be divided into data segment header 37 and N data unit 38 again.
The main flow chart of interactive service shown in Figure 4:
Interaction to realize the basketball channel on the mobile TV is an example, the present invention is realized the method for interactive service is elaborated, and supposes that the interactive interactive mode of interactive service is a short message mode.Specifically may further comprise the steps:
When selecting the city management broadcasting channel such as the user, the user can participate in the interaction of city management broadcasting.Detailed process is that the interactive service of mobile multimedia broadcast front end system issues the interactive service content through radio network to mobile multi-media broadcast terminal; The terminal shows the user through UI after receiving the interactive information completion; The user selects interactive operation; Corresponding note is sent to Short Message Service Gateway according to user's selection result in the terminal; Short Message Service Gateway is given to the interactive service front end system after receiving note; The interactive service front end system is done the corresponding service logical process to short message content; The interactive service front end system is replied corresponding note to Short Message Service Gateway; Short Message Service Gateway is to the interactive result of terminal feedback.
If it is broadcast time just that the user selects basketball online, so, the interactive service data also issue through radio network simultaneously synchronously.What suppose broadcast this moment is that basketball is at line service; Interaction content is " you think that rocket can win this competition? ", the interactive service data have just comprised: " you feel rocket whether can win the corresponding note receiver address of this competition " A ability/B can not ", each option and select a certain option after corresponding short message content.The interactive service platform also can regularly be pushed to user terminal with the interactive service data in the online business hours section of basketball;
User terminal is showed the information that the interactive service data comprise---whether you think whether rocket can win this competition " A ability/B can not "; Interactive option sign in the user clicks on tabs information is as behind the B; The messaging format that the content of input is encapsulated as standard sends to the interactive service service module of the corresponding note receiver address appointment of B option like " B " through the mobile communications network user terminal short message content that " B " option is corresponding;
The interactive service service module receives the interactive note " B " that user terminal sends; After resolve, obtain " can not " information, return interactive response message through CMMB to user terminal; Like this, the mobile phone TV services user has just participated in the interaction of mobile TV.
Described hereinly be merely preferred implementation of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Therefore, all any modifications of within spirit of the present invention and principle, being done are equal to replacement, and improvement and renewal or the like all should be included within protection scope of the present invention.
Claims (3)
1. method that realizes the interactive service of mobile multimedia broadcast system; Said interactive service of mobile multimedia broadcast system is connecting data broadcast platform and interactive service platform by Content Management System; Data broadcast platform is given multiplexer with interactive data; Multiplexer carries out data multiplex according to its traffic ID with its audio-video-frequency broadcast with input, sends to mobile multi-media broadcast terminal through the CMMB net;
Said Content Management System comprises: the product library module comprises content storage server, content storage management work station and Content Advisor management work station; Audio/video flow and interactive data are unified the layout administration module that ID encodes, comprise and broadcast editor, daily record/user management, broadcast Control Server and broadcast monitor workstation;
Said data broadcast platform comprises Broadcast Control management system, scrambler and file generator, and its file generator comprises and is used for file management, compressed encoding, entangles the equipment of deleting coding, file generation, file division, data encapsulation, outgoing management and multicast;
Said interactive service platform comprises that the interactive service layout is provided with module, module, statistical module that user's interactive operation is responded and comprise and wired and wireless communication networks gateway, Short Message Service Gateway, voice gateways, Content Management System, OSS between carry out interconnected interface module;
Said multiplexer is by the input module that connects audio/video flow and interactive service data, judge and then constitute Configuration Manager and output module that the consistent audio frequency and video of traffic ID and datacast data are multiplexed in the same multiplexed sub frame the data of being imported;
Said mobile multi-media broadcast terminal comprises: receiving processing module; Be used for resolving the application manager that browse engine and playback engine are managed; Be used to represent the display module of the interactive service data that said interactive service platform sends, be used for the message of user's input is sent to through wired and cordless communication network the interactive message transmission module of interactive service platform.
It is characterized in that may further comprise the steps:
(1) the Content Management System interaction content that will have a synchronizing information is transferred to data broadcast platform, comprises audio/video flow and interactive data are unified the ID coding;
(2) data broadcast platform carries out the Broadcast Control management to content;
(3) multiplexer is when receiving audio/video flow and the interactive data from data broadcast platform; The professional consistency of judgment data; Audio frequency and video and the interactive data consistent traffic ID are multiplexed in the same multiplexed sub frame, audio frequency and video and data sync in the multiplex stream data that control is exported;
(4) interactive service with consulting browse, the user leaves a message comment, program commending, online chatting, ballot guess, download, the mode of payment and shopping represents at user terminal;
(5) the interactive message imported at broadcast terminal of user turns back to the interactive service platform, and the interactive service platform is added up, and sends interactive response message through duplex channel or CMMB net back to user terminal.
2. according to the method for the described realization interactive service of mobile multimedia broadcast of claim 1, it is characterized in that: user terminal is resolved said interactive service data, shows corresponding interactive information; User terminal returns interactive message through mobile radio communication to the interactive service platform; The interactive service platform is wireless through CMMB net or other, wired network is to the user terminal echo back data.
3. according to the method for the described realization interactive service of mobile multimedia broadcast of claim 2; It is characterized in that user terminal can select WAP/HTTP mode, short message mode or voice mode; And realize and the interaction of radio network through wifi, wipi, wlan, wimax network, interactive message is turned back to the interactive service platform.
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