CN101554054B - System, server and method for providing supplementary information service related to broadcast content - Google Patents
System, server and method for providing supplementary information service related to broadcast content Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
- H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43074—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
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- H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
Abstract
The present invention relates to a system and method for providing a supplementary information service related to the broadcasting content. The system for providing a supplementary information service related to the broadcasting content for a user terminal comprises a time information creating server for identifying the starting time information of the broadcasting content, and a supplementary information service providing server for receiving the starting time information of the broadcasting content from the time information creating server. Meanwhile, the supplementary information service providing server calculates the elapsed time of a specific scene based on the starting time information and provides the supplementary information related to the scene to the user terminal via the communication network according to the elapsed time. The invention also provides the method for providing a supplementary information service related to the broadcasting content for the user terminal, which comprises the following steps: identifying the starting time information of the broadcasting content; calculating the elapsed time of a specific scene based on the starting time information; and providing the supplementary information related to the scene to the user terminal via the communication network according to the elapsed time.
Description
Technical field
< cross reference of related application >
The name that the application relates on November 20th, 2006 and submitted to by people such as Goon-Seop Lee is called that name that " System and Method for synchronization of Supplementary Information ofBroadcast Content " the korean patent application 10-2006-0114828 of (being used for the side information of broadcasted content is carried out synchronous system and method), on January 15th, 2007 submit to by people such as Goon-Seop Lee is called the korean patent application 10-2007-0004176 of " GUIP Service System and Method for Provision ofSupplementary Information of Digital Multimedia Broadcast " (being used to provide the GUIP service system and the method for the side information of DMB) and the name submitted to by people such as Goon-Seop Lee on September 13rd, 2007 is called the korean patent application 10-2007-0093200 of " Communication Network-Based Bidirectional Data BroadcastingService Providing System and Method; and Server Applied to the Same " (the bi-directional data broadcast service based on communication network provides system, method and server thereof), and the full text of above-mentioned patent application is incorporated into this with the mode of quoting as proof.
Present invention relates in general to a kind of system and method for the side information service that is used to provide relevant with broadcasted content; More particularly; Relate to a kind of side information service provider system and the method relevant with broadcasted content; This system and method will be complementary based on the side information of broadcasted content and the broadcasted content of corresponding real-time change exactly, then side information offered the user.
Present invention relates in general to be used to provide the technology of bi-directional data broadcast service; More particularly; Relate to a kind of system and method that provides the side information relevant to serve with broadcasted content; This system and method can be implemented in the bi-directional data broadcast service that provides on the radio network via communication network effectively, and this communication network comprises mobile communications network, the invention still further relates to a kind of server that can be used for said system and method.
Present invention relates in general to a kind of system and method that the side information of DMB (DMB:DigitalMultimedia Broadcasting) is provided; More particularly; The system and method that relates to the side information of a kind of DMB of providing, said system and method can provide side information or the content relevant with people and product through the reciprocation between user terminal and the side information service providing server on broadcast picture.
Background technology
Now, the mobile data communication service comprises wireless Internet service, mobile computing service, RFDC service, Wi-Fi (Wireless Internet Access) service and satellite communications services.
With regard to the mobile data communication service, the radio broadcasting service field that various types of contents is provided to PDA(Personal Digital Assistant) is just owing to its diversity of operations, market demand property and development of technology etc. cause concern.Data broadcasting service is provided by the content supplier that plays a leading role (CP:content provider), broadcast service provider and mobile communication business provider now.
Under the situation of this data broadcasting service; Between broadcast system and user, realize in the method for bi-directional data broadcast service; Going up the data link information that connects broadcasted content via broadcast channel being used to of sending from broadcast system at radio network (for example, terrestrial digital multimedia broadcasting (DMB) network or satellite dmb network) sends via another broadcast channel extraly.
Then, according to this routine techniques, spectator's terminal equipment receives all broadcasted contents and data link information on radio network, and they are presented on its picture.Thereby whether spectator's judgment data broadcast service begins, and communicates network insertion through use the URL information in the data link information of being included in and ask the information of adding.
On radio network, sending the problem that the data link information deposits according to routine techniques is: must use additional broadcasting frequency resource; And efficient is lower; Promptly; So sent a large amount of spectators and do not want or do not have information requested because the different spectators that use the bi-directional data broadcast service have preference to different information, also there is restriction in service implementing in addition, for example need send identical information to all spectators.
In addition, come on communication network, to provide and to broadcast the information that is associated, a kind of synchronous method of setting up effectively between the side information that provides on the broadcast message that provides on the radio network and the communication network is not provided yet even implement a certain service.Therefore, need a kind of measure that overcomes these limitations.
Simultaneously, " DMB service " is a kind of compiled broadcasting and CMMB service of communicating by letter, and is the digital broadcast service that CD level quality voice-and-data and high-quality video service are provided via mobile phone, PDA, car-mounted terminal etc.
Now, in mobile communication terminal, realized the DMB receiving function.Therefore; Mobile communication subscriber even can use on the subway or on the bus mobile communication terminal to watch drama or listen to high quality of music, all can when televiewing, receive for example information such as news, weather and stock price index any time, and can check the title of the music of listening to or the exercise question or the literal of photo form.
Simultaneously, use the user of this DMB service to form a customer group that is different from existing mobile communication subscriber crowd.Therefore, need generate a new service for this new customer group in fact.
In addition, because DMB user, might occupy the for example available data market of NATE and JUNE for the watching of broadcasted content.In order to overcome this problem, attempt to have showed very actively with the service provider that the content of communicating by letter combines (convergence) to set up new markets through various DMB.
The home shopping of explosive growth has become a kind of important means of sell goods now in the broadcasting of cable TV.If can activate mobile e-business through the broadcasted content of DMB and home shopping or product placement (PPL:Product Placement) information service are made up, then can improve the speed of data utilization rate and sale.
Here, term " PPL " is a kind of such marketing strategy, refers to appear at a kind of indirect advertising method that comes specific products is carried out advertising in film, the drama etc. along with the growth of film industry and complicated through making product.Term " PPL information service " is meant a kind of like this service, that is, when the user selects PPL information, concrete information is sent to the user and it is presented on the terminal with the DMB content.
Yet,, must the DMB service of non-bi-directional service be associated with wireless Internet for PPL is provided information service.For this reason, need realizing can be with the server of terminal interaction work, generate the PPL content and realize the terminal.
Summary of the invention
Technical problem
Therefore; The present invention is intended to overcome the problems referred to above that exist in the prior art; The object of the present invention is to provide a kind of system and method for the side information service that is used to provide relevant with broadcasted content; This system and method can offer the user with this side information then exactly with being complementary based on the side information of broadcasted content and the broadcasted content of corresponding real-time change.
Another object of the present invention is to provide a kind of system and method for the side information service that is used to provide relevant with broadcasted content; This system and method can be implemented in the bi-directional data broadcast service that provides on the radio network effectively on the communication network; This communication network comprises mobile communications network, the present invention also aims to provide a kind of server that goes for said system and method.
Another object of the present invention is to provide a kind of system and method for the side information service that is used to provide relevant with broadcasted content; This system and method can realize that the object of the invention also is to provide a kind of server that can be used for said system and method synchronously effectively between the side information relevant with the bi-directional data service of sending on various types of broadcast messages that provide on the radio network and the communication network and receiving.
Another purpose of the present invention is to provide a kind of system and method for the side information service that is used to provide relevant with broadcasted content; Wherein, Can graphic user interface in a kind of picture (GUIP:Graphic User Interface in Picture) service be provided to the user; In this GUIP service, the user can be when televiewing through user terminal wireless Internet (that is bi-directional communication channel) go up request with receive be presented at broadcast picture on relevant information such as personage, product.
Side information service providing server and the content server that a purpose more of the present invention is to provide a kind of can make user terminal, be used to provide side information be interactive operation method each other; Thereby the GUIP service that realizes particularly each information being provided and need not change existing broadcast system through the combination of DMB service and PPL information service; Thereby avoid occupying and the user-dependent data of new DMB market, and then generate new data market.
Technical scheme
To achieve these goals; According to an aspect of the present invention; A kind of system that provides the side information relevant with the broadcasted content that is broadcast to user terminal to serve is provided; Said system comprises: reproduction time mark (PTS) information generates server, and it is used for receiving various types of broadcasted contents and the programme information relevant with said broadcasted content from broadcast system, identifies the information relevant with the time started of particular broadcast content; From said broadcasted content, extract and corresponding PTS information of the said time started of respective broadcast content, and send the PTS information that extracts with absolute time information; And side information service providing server; It is used for storage and the corresponding various side information sections of said broadcasted content; From said PTS information generate server receive the information relevant with the time started of said broadcasted content and with the corresponding PTS information of this time started information; Based on the corresponding PTS information of the information relevant and elapsed time of calculating said special scenes with the relevant PTS information of the picture frame of the special scenes that provides by said user terminal with the said time started of broadcasted content; Thereby extract and the corresponding side information of special scenes that said user terminal is asked, and when user terminal requests, the said special scenes and corresponding side information that is associated is provided through communications facility.According to another aspect of the present invention; A kind of method that the side information relevant with the broadcasted content that is broadcast to user terminal is provided is provided; Said method comprising the steps of: reproduction time mark (PTS) information generates server and receives various types of broadcasted contents and the programme information relevant with said broadcasted content from broadcast system; Identify the information relevant with the time started of particular broadcast content; From said broadcasted content, extract and corresponding PTS information of the said time started of respective broadcast content, and send the PTS information that extracts with absolute time information; Storage of side information service providing server and the corresponding various side information sections of said broadcasted content; From said PTS information generate server receive the information relevant with the time started of said broadcasted content and with the corresponding PTS information of this time started information; Based on the corresponding PTS information of the information relevant and elapsed time of calculating said special scenes with the relevant PTS information of the picture frame of the special scenes that provides by said user terminal with the said time started of broadcasted content; Thereby extract and the corresponding side information of special scenes that said user terminal is asked, and when user terminal requests, the said special scenes and corresponding side information that is associated is provided through communications facility.
Beneficial effect
System and method according to the side information that is used to the to provide relevant service of one aspect of the invention with broadcasted content; To be complementary based on side information and this frame of each frame of the broadcasted content of real-time change; And side information is provided, thereby improves the satisfaction of user for service.
In addition; According to a further aspect of the invention; According to the system and method for the side information service that is used to provide relevant and the server that is applicable to this system and method with broadcasted content; In the bi-directional data broadcast service that has realized effectively on the communication network providing on the radio network; Said communication network comprises mobile communications network, and can realize synchronously effectively in the various broadcast messages that provide on the radio network with between the side information relevant with the bi-directional data service of sending on the communication network and receiving.Therefore; Said system and method has such advantage; Promptly can when watching broadcasting, handle spectator's supplemental services request neatly, realize broadcast service, and use communication network further to improve the commercial characteristic of broadcast service with more various mode.
In addition; In accordance with a further aspect of the present invention; According to the system and method for the side information service that is used to provide relevant, can GUIP be provided service to the user, wherein with broadcasted content; The user can be when televiewing through user terminal via wireless Internet (that is bi-directional communication channel) request with receive be presented at broadcast picture on relevant information such as personage, product.In addition; According to the present invention; Through user terminal and the interactive operation between " being used to provide the side information service providing server and the content server of side information ", can various information be provided through the combination of DMB service and PPL information service, and need not change existing broadcast system.Therefore, can avoid occupying the data market relevant, and can generate new data market with new DMB customer group.
Description of drawings
The following accompanying drawing illustration of this specification preferred implementation of the present invention, be used for and of the present invention below specify to combine and further understand technical spirit of the present invention.Should be appreciated that the present invention is not limited to these contents shown in the drawings.
Fig. 1 is the net structure figure of the system that serves according to the side information that is used to provide relevant with broadcasted content of an embodiment of the invention;
Fig. 2 is the method flow diagram according to the side information that is used to provide relevant with broadcasted content of an embodiment of the invention;
The net structure figure of the system that Fig. 3 serves for the side information that is used to provide relevant with broadcasted content of another execution mode according to the present invention;
Fig. 4 is the structural map that broadcast time mark (PTS) the information generation server among Fig. 3 is shown;
Fig. 5 is the structural map that the side information service providing server among Fig. 3 is shown;
Fig. 6 provides the flow chart of the operating process of the system that the side information relevant with broadcasted content serve for shown in Figure 3 being used to of illustration;
Fig. 7 is the net structure figure that illustrates according to the system of the side information that is used to provide relevant with the broadcasted content service of another execution mode of the present invention;
Fig. 8 is the structural map that illustrates according to the server of the side information that is used to provide relevant with the broadcasted content service of another execution mode of the present invention;
Fig. 9 is for illustrate the flow chart according to the side information service method that is used to provide relevant with broadcasted content of another execution mode of the present invention in order; And
Figure 10 is the flow chart of the side information service method that is used to provide relevant with broadcasted content that according to the present invention another execution mode is shown in order.
Embodiment
Describe preferred implementation of the present invention below with reference to accompanying drawings in detail.
See figures.1.and.2; The system and method for the side information service that is used to provide relevant with broadcasted content according to one aspect of the invention a kind of will be described below; Said system and method will be complementary based on the side information of broadcasted content and the broadcasted content of corresponding real-time change exactly, then side information offered the user.
Fig. 1 is the net structure figure of the system that serves according to the side information that is used to provide relevant with broadcasted content of an embodiment of the invention.
As shown in Figure 1, this system comprises broadcast system 100, side information service provider system 200 and user terminal 10.
Side information service provider system 200 comprises: reproduction time mark (PTS:presentationtime stamp) information generates server 210, and it is used to extract the PTS information relevant with the time started that is sent out broadcasted content; And side information service providing server 220, it is used for storage and the corresponding various side informations of broadcasted content, extracts corresponding side information, and according to the request of user terminal 10 this side information is offered user terminal 10.User terminal 10 is asked the side information relevant with the respective broadcast content from side information service providing server 220, and is received the side information of being asked through communications facility from broadcast system 100 receiving broadcast contents.
PTS information generates server 210 and receives various types of broadcasted contents and the programme information relevant with broadcasted content from broadcast system 100; Discern the information relevant with the time started of particular broadcast content; From be sent out broadcasted content, extract and corresponding PTS information of respective broadcast content time started, and PTS information of being extracted and absolute time information are sent to side information service providing server 220 together.Preferably; PTS information generates server 210 and from be included in the Motion Picture Experts Group's MPTS (MPEG-TS) that is sent out the broadcasted content, extracts and corresponding PTS information of time started, and the PTS information that extracts is sent to side information service providing server 220.
220 storages and the corresponding various side informations of broadcasted content of side information service providing server; From PTS information generate server 210 receive the information relevant with the time started of broadcasted content and with the corresponding PTS information of time started information; The special scenes of broadcasted content is associated with corresponding side information, and through communications facility corresponding side information is provided according to the request of user terminal 10.
That is to say; Side information service providing server 220 is based on generating PTS information that server 210 provides from PTS information according to being included in the time started that MPEG-TS the broadcasted content that is sent out identifies broadcasted content; The elapsed time that goes out special scenes based on the PTS information calculations relevant with the special scenes picture frame; This PTS information is to provide from user terminal 10 with the request of corresponding PTS information of the information relevant with the broadcasted content time started and side information; Side information service providing server 220 extracts the corresponding side information of special scenes with user terminal 10 requests, and through communications facility the side information that extracts is offered user terminal 10.Simultaneously, when user terminal 10 request side informations, coordinate information and the PTS information relevant with the picture frame of special scenes in the broadcasted content can be provided.The side information service providing server 220 that has received this information uses elapsed time and coordinate information (X on the special scenes image and Y coordinate) to extract corresponding side information as parameter.
With reference to Fig. 2, the method according to providing of one embodiment of the present invention side information relevant with broadcasted content will be described below.Fig. 2 is the flow chart of illustration according to the method for providing of one embodiment of the present invention side information relevant with broadcasted content.
PTS information generates server 210 and receives the information relevant with the broadcasted content time started from broadcast system 100, and at step S210, from the broadcasted content that broadcast system sends, extracts and corresponding PTS information of time started.Preferably, PTS information generates among the MPEG-TS of server 210 from be included in the broadcasted content that is sent out and extracts and corresponding PTS information of time started.
At step S220, side information service providing server 220 based on corresponding PTS information of time started, identify time started of the broadcasted content that is sent out.Preferably, side information service providing server 220 is based on from be included in the MPEG-TS that is sent out the broadcasted content, identifying time started of broadcasted content with corresponding PTS information of time started.
Then, at step S230, received the user terminal 10 that is sent out broadcasted content and asked side information through sending PTS information and the coordinate information relevant with the special scenes picture frame.
Then, side information service providing server 220 based on about corresponding PTS information of the information of broadcasted content time started and the relevant PTS information of special scenes picture frame that provides with user terminal 10, the elapsed time of calculating special scenes.
Thereafter, at step S240, side information service providing server 220 uses institute's elapsed time and coordinate information to extract with the corresponding side information of special scenes and with the side information that is extracted as parameter and offers user terminal 10.
To Fig. 6, on the communication network realization of being used for effectively that will describe below according to a further aspect in the invention provides the side information service provider system of bi-directional data broadcast service via radio network with reference to Fig. 3, and this communication network comprises mobile communications network.
Fig. 3 is the net structure figure of the system that serves according to the side information that is used to provide relevant with broadcasted content of another embodiment of the present invention.Network shown in Fig. 3 comprises broadcast system 101, side information service provider system 300 and user terminal 20.
The broadcasted content of news and TV play provides broadcast service to broadcast system 101 through for example on radio network, sending, and sends with at least one section corresponding broadcast program information of broadcasted content and bi-directional data with data broadcasting arrangement/theme DB 150 based on broadcast program data storehouse (DB) 140 and broadcasts side information.
Side information service provider system 300 comprises that PTS information generates server 310 and side information service providing server 320.
PTS information generates server 310 and extracts the PTS information that is used to play the broadcasted content that receives from user terminal 20; And form CTS information, this CTS information is used for PTS information that extracts and the bi-directional data broadcasting side information that receives from broadcast system 101 are carried out synchronously.PTS information generates server 310 and forms the bi-directional data broadcasting side information that comprises CTS information extraly, and this bi-directional data broadcasting side information and PTS information are sent together.
Side information service providing server 320 is carried out the interactive operation of bi-directional data broadcast service through receiving broadcast program information; The PTS information that management receives, the bi-directional data that comprises CTS information broadcasting side information and broadcast program information mate thereby make between them each other.In addition; Side information service providing server 320 is based on the bi-directional data broadcasting side information that service that user terminal sends through communication network provides the PTS information that comprises in the request to read to comprise previously stored CTS information; Extract corresponding bi-directional data broadcasting side information, and this bi-directional data broadcasting side information is sent to user terminal 20.
User terminal 20 is terminal equipments that a kind of broadcasting and communication function combine, and it can be handled and the broadcast singal that receives is provided, and on communication network, transmits and receive data.User terminal 20 can use a kind of realization the in the various terminal equipments of for example mobile communication terminal, PDA and notebook.
According to an embodiment of the invention; PTS information (for example generates 310 pairs of communication environments of server; Amount of information that receives from broadcast system 101 and the amount of information that sends to side information service providing server 320) discern, and determine whether to form CTS information and the bi-directional data broadcasting side information that comprises CTS information based on recognition result.
So; To generate the bi-directional data broadcasting side information that CTS information and generation comprise CTS information if confirm the result; Then PTS information generates server 310 PTS information is sent to side information service providing server 320, and guiding side information service providing server 320 generates CTS information and the bi-directional data broadcasting side information that comprises CTS information.
Simultaneously; Can broadcast program information be provided and need not carry out interactive operation to side information service providing server 320 by broadcast system 101 through keeping watch on the PSI/SI information of on radio network, broadcasting, perhaps provide through PTS information to generate the broadcast program information that server 310 provides to side information service providing server 320 with broadcast program information.
In addition, side information service providing server 320 will comprise that the bi-directional data broadcasting side information of CTS information converts the BIFS form of data broadcast standard into, and the broadcasting of the bi-directional data after conversion side information is stored and managed.
Fig. 4 shows the structural map of PTS information generation server 310 among Fig. 3.
As shown in Figure 4, the PTS information generation server 310 according to one embodiment of the present invention comprises interface unit 312, communication environment recognition unit 314 and information generation/transmitting element 316.
The interactive operation of interface unit 312 execution and radio network and side information service providing server.Communication environment recognition unit 314 is directed against at least one the amount of information identification communication environment among amount of information that receives on the radio network and the amount of information that sends to side information service providing server 320.Recognition result based on communication environment; Information generation/transmitting element 316 determines whether to form the bi-directional data broadcasting side information that comprises CTS information, will comprise that then the bi-directional data broadcasting side information of CTS information and at least one in the PTS information send to side information service providing server 320.
Fig. 5 is the structural map that side information service providing server 320 shown in Figure 3 is shown.
As shown in Figure 5, the side information service providing server 320 according to one embodiment of the present invention comprises lock unit 322, interface unit 324, content management units 326 and control unit 328.
Describe the course of work with reference to the accompanying drawings in detail according to side information service provider system of the present invention.
Fig. 6 is the flow chart of the course of work of illustration side information service provider system shown in Figure 3.As as an example shown in Figure 6 only; Carry out a kind of method that provides based on the bi-directional data broadcast service of communication network by this way; Promptly; At step S600 to S604; Broadcast system 101 via radio network send comprise the content relevant with the broadcasted content of each broadcast channel, based on the broadcast program information of the broadcasted content of channel and with the corresponding bi-directional data broadcasting of broadcasted content side information, then PTS information generates server 310 and side information service providing server 320 receives customizing messages on radio network.
In this case; Can to side information service providing server 320 broadcast program information be provided through keeping watch on the PSI/SI that broadcasts on the radio network, perhaps can provide through PTS information to generate the broadcast program information that server 310 provides side information service providing server 320.
Then; At step S606; PTS information generates server 310 and goes out PTS information based on the information extraction relevant with the broadcasted content that receives; This PTS information provides the benchmark that is used for playing at user terminal 20 broadcasted contents, then forms CTS information at step S608, and this CTS information provides and has been used for the benchmark of in time PTS information and bi-directional data being broadcasted the side information synchronised.In this case, CTS information is used under the situation of considering the time-delay that network and equipment cause, with reference to the PTS that broadcast program comprised broadcast program and side information being carried out synchronously.For example, CTS=PTS+ delay deviation (deviate can be set on the occasion of or negative value).
At step S610; PTS information generates server 310 and comes to form in addition the bi-directional data broadcasting side information that comprises CTS information based on the CTS information that forms among the step S608, on radio network, the information that forms is sent to side information service providing server 320 at step S612 then.
Thereby at step S614, the PTS information that receives on the radio network, bi-directional data broadcasting side information and the broadcast program information that comprises CTS information are managed and be stored in to side information service providing server 320, thereby they are mated each other.At step S616; When the user terminal of watching broadcasting receives the request that particular supplemental information is provided; The PTS information that 320 pairs of side information service providing servers are included in the described request is discerned; At step S618, and extract corresponding bi-directional data broadcasting side information through the process of specifying corresponding C TS information.
Then, at step S620, side information service providing server 320 sends to the bi-directional data broadcasting side information that extracts the user terminal 20 of request service.
To Figure 10, the system and method that the side information that is used to provide relevant with broadcasted content is according to a further aspect of the present invention served will be described below with reference to Fig. 7.The side information service providing method of an execution mode is called as the GUIP service again according to the present invention; Wherein, The user can when televiewing, use user terminal via wireless Internet (, bi-directional communication channel) request for example be presented at broadcast picture on personage or the relevant information of product.
Fig. 7 is the net structure figure of the system 700 that serves of the side information that is used to provide relevant with broadcasted content of an execution mode again according to the present invention.Fig. 8 is the structural map of the side information service providing server of an execution mode again according to the present invention.
As shown in Figure 7; Be used to provide the system 700 of the side informations service relevant with broadcasted content 700 to comprise side information service providing server 710 and content server 720 according to of the present invention, the user terminal 30 that receives the DMB content that DMB contents and broadcast receive from broadcast system 102 can be through the bi-directional data service path access supplemental information service providing server 710 and content server 720 of mobile communications network.
Side information service providing server 710 provide be presented at the DMB picture on the relevant information of type of supplemental information that can use of each object.Hereinafter is called the information that side information service providing server 710 provides " PPL information ".
That is to say; Side information service providing server 710 is a kind of like this servers; This server makes the user can be through on broadcast picture, selecting special object with the interactive operation of the user terminal 30 that receives PPL information, and supports the supplemental informational content of selected object is offered the user.For example; When the user selects specific GUIP initiating key when televiewing; Side information service providing server 710 (for example is sent in the information relevant with object profiles that is presented at after the corresponding time point on the broadcast picture; The clothes that singer, singer wear etc.), the information relevant (for example: singer's brief introduction, singer's photograph album, singer sing the bent lyrics, the singer relevant information etc. of wearing the clothes) with each object information available type and with the relevant information of download address (URL) of corresponding information (that is content).
Simultaneously, in this case, profile information is to use the information that the family can alternative.When profile information and broadcast picture are synchronous, the overview of selected object when user terminal 30 can the explicit user selection key.Like this, profile information is provided as the guidance information that makes the user can select a specific object.
If user terminal 30 has touch screen, then need not be provided for the extra guidance information of alternative.In this case, can come the relevant information of object with selected some place directly to be provided through sending to side information service providing server 710 with the coordinate information of user-selected spot correlation to user terminal 30.
Therefore; In this case; Side information service providing server 710 does not need the entire PP L information that provides relevant with follow-up broadcasting in advance; But, only need provide with just much of that in the relevant information of type of supplemental information that the object at this specified point place can be used and content URL information (below be called " GUIP information ") when specified point is selected for side information service providing server 710.
As stated; When user terminal 30 is televiewing, selecting to be presented at the object (personage, product etc.) on the broadcast picture; Side information service providing server 710 of the present invention makes it possible to check the information that provides to selected object; And URL is provided, thereby can downloads the content of selected information from content server 720.This structure of process has been shown in Fig. 8.
Side information service providing server 710 of the present invention shown in Fig. 8 comprises that GUIP service control unit 711, PPL information search unit 713, PPL download of information unit 715 and GUIP information provide unit 716.
GUIP service control unit 711 receives GUIP from user terminal 30 and begins request message; This message comprises the channel information and the programme information of the current broadcasting of watching; And will comprise that GUIP that received GUIP begins the information in the request message begins acknowledge message and sends to user terminal 30, thereby these information can be checked in user or terminal.
It is a kind of service request information that when the user uses user terminal 30 to select the GUIP initiating key, generates and send automatically from user terminal 30 that GUIP begins request message.GUIP begin request message can comprise MIN number, be used to provide the PTS information, GUIP service type information of current broadcast time announcement, the information (notebook, mobile phone etc.) relevant, broadcast channel information, broadcast program information etc. with terminal type.
PTS is the time mark that is included in the DMB packet.Because the picture that can use the PTS of data packet head to be directed against the time point of user's request is searched corresponding broadcast program, so PPL information or GUIP information are being put or provided afterwards to side information service providing server 710 accordingly.
The GUIP service type information is the information that is used to discern method for down loading.Side information service providing server 710 method of downloading the PPL information comprises all the methods of downloading (fullpre-download) methods in advance, cutting apart preparatory download (partitioned pre-download) method and download according to instruction (on-demand) in the present invention.
Here; All method for down loading is the method that is used to download PPL information with cutting apart preparatory method for down loading in advance, and this PPL information comprises the profile information of a plurality of broadcast object after the respective broadcast program, information and the content URL when receiving PPL information request message relevant with type of supplemental information.All method for down loading is the method for the disposable download PPL information relevant with whole corresponding broadcast program in advance; Cut apart preparatory method for down loading the message segment that PPL information is divided into suitable size is downloaded the PPL information after cutting apart with specific gap periods property ground then according to priority, thus the flow load of allocate communications network.
In addition; The method of downloading according to instruction is the method that is applicable to the user terminal 30 that has touch screen; And be the method for when receiving the GUIP information request message of the coordinate that comprises selected specified point, only downloading GUIP information, this GUIP information comprises information relevant with the type of supplemental information of corresponding object and the information of content URL.
Can in user terminal 30, set the GUIP COS in advance, can when pressing the GUIP initiating key, select the GUIP COS, perhaps can in subscriber's database 712 of side information service providing server 710, store the GUIP COS.
Simultaneously; If the GUIP that proposes among the present invention service only provides to the service order person; Then GUIP service control unit 711 can judge whether the information relevant with corresponding subscriber is present in subscriber's database 712 when beginning request message receiving GUIP; Carry out subscriber's authentication, then return the GUIP that comprises authentication result and begin acknowledge message.
Then; When receiving the PPL information request message of the channel information that comprises broadcasting and programme information from user terminal 30; PPL information search unit 713 is searched the PPL information relevant with the respective broadcast program based on the information that comprises the PPL information request message in PPL information database 714, and to user terminal 30 the URL information that can download corresponding PPL information based on it is provided.
In this case; Because the PPL information relevant after the time point of necessary search subscriber terminal 30 requests with respective broadcast; So PPL information search unit 713 is based on the PPL information of PTS information searching with the part correlation that will watch subsequently, this PTS information indicates the playback duration of the broadcast program that from the PPL information request message that user terminal 30 receives, comprises.
For example, under the situation of music broadcast program, the object of PPL information comprises the singer who is presented on the picture.Corresponding singer can with type of supplemental information can comprise corresponding singer's profile information, corresponding singer's album information, the song of singing etc.In addition, when the user selected song, corresponding sound source content can be used as supplemental informational content to be provided.In this case, the download URL information that in PPL information, has comprised corresponding sound source content.
Here, guidance information is to use the family to select the information of an object can the object on being presented at broadcast picture.As previously mentioned, guidance information can comprise the profile information that is used for the display object overview, and can be by various these guidance informations of alternate manner design outside the profile information.In addition; This guidance information must indicate the guidance information such as the overview of corresponding object when pressing key; So that can make the broadcast data in itself and the user terminal 30 synchronous, thereby the user can be when televiewing selects the object that wanted through the button input.
If PPL information search unit 713 provide can the download user terminal URL information of PPL information of 100 search, the then corresponding PPL information of PPL download of information unit 715 downloads when the corresponding URL of user terminal 30 visits.
As stated, the method for down loading of PPL information comprises all preparatory method for down loading and cuts apart preparatory method for down loading.Therefore; When whole in advance method for down loading with cut apart in the preparatory method for down loading any method (promptly; The method for down loading of PPL information) be included in when perhaps corresponding information stores is in subscriber's database 712 in the PPL information request message, PPL download of information unit 715 is downloaded according to the situation of information, promptly; Under the situation of having used all preparatory method for down loading; The whole PPL information of disposable download perhaps are divided into PPL information the message segment of suitable size having used under the situation of cutting apart preparatory method for down loading, and the PPL message segment after downloading each in order and cutting apart.
It is the structures that are used for providing to the user terminal that has touch screen 30 service that GUIP information provides unit 716.When thereby the specified point of selecting broadcast picture as the user received the GUIP information request message of coordinate information and PTS information of the channel information that comprises the broadcasting of watching and programme information, selected point from user terminal 30, GUIP information provided unit 716 based on being included in the information in this GUIP information request message and identifying the object at the some place that the user selects with reference to PPL information database 714.Then; GUIP information provides unit 716 to send GUIP validation of information message to user terminal 30, and this GUIP validation of information message comprises the type of the side information that can offer corresponding object and the content URL information that can download each supplemental informational content section based on it.
In this case, PPL information database 714 is the coordinate informations of the object that shows through broadcast picture of storage further, more accurately, and the relevant information of coordinate range of the picture area that storage and object are occupied.
Simultaneously, PPL download of information unit 715 provides the relevant PPL information of broadcasting that occurs afterwards with the time point of user's request, and will allow the guidance information of alternative to be included in the corresponding PPL information.Therefore, user terminal 30 can be downloaded PPL information, discerns user-selected object, and is provided with corresponding supplemental informational content.
On the contrary, GUIP information provides unit 716 to receive user-selected coordinate information in real time, identifies and the corresponding object of corresponding coordinate, and corresponding information only is provided.
Simultaneously, in Fig. 8, side information service providing server 710 is used for handling following two kinds of situation: download PPL information and identifying object at user terminal 30; When user terminal 30 transmission coordinate times, side information service providing server 710 identifies corresponding object and GUIP information only is provided.Yet if the service of front only is provided, GUIP information provides unit 716 to save, and if the service of back only is provided, then PPL information search unit 713 can be saved with PPL download of information unit 715.
Below will describe in order the detailed method and the service process of interactive operation between the side information service providing server 710 described with reference to Fig. 7 and Fig. 8 and the user terminal 30 with reference to Fig. 9 and Figure 10.
Fig. 9 is the flow chart that shows in order according to the GUIP method of servicing of an embodiment of the invention, and shows the process of downloading PPL information.
As shown in the figure, in step 901, user terminal 30 receives broadcasting DMB content and plays the DBM content that receives from broadcast system 102, thereby can watch the DMB content step S903 user.At step S905, when the user selected the GUIP initiating key when watching the DMB content, at step S907, user terminal 30 began request message with GUIP and sends to side information service providing server 710.In this case, GUIP begins request message must comprise channel information, broadcast program information and PTS information, and consist essentially of MIN number of the terminal with the information relevant with terminal type.
At step S909, side information service providing server 710 sends GUIP to user terminal 30 and begins acknowledge message, is included in GUIP and begins in the acknowledge message so that terminal or this information of customer inspection being included in said GUIP the information in the request message of beginning.In this case, GUIP begins the function of request message and function that GUIP begins acknowledge message can be included in the PPL information request message and PPL validation of information message afterwards afterwards.
At step S911, user terminal 30 will comprise that the PPL information request message of channel, program, PTS information etc. sends to side information service providing server 710.At step S913; As response; Side information service providing server 710 is based on corresponding channel, program and the relevant PPL information of broadcasting that PTS information searching and relative users are being watched, and is included in the PPL validation of information message through the URL information that can download PPL information this URL information is sent to user terminal.
At step S915, the user terminal 30 that has received PPL validation of information message obtains automatic affirmation or user's affirmation, visits corresponding URL, and downloads PPL information.In this case, information that PPL information comprises the guidance information (for example profile information) that is used for alternative, the type of the side information that can use with each object is relevant and the URL information relevant with each supplemental informational content section.
Simultaneously, illustrate as single step, cutting apart under the situation of preparatory method for down loading and can divide the PPL information of downloading several times after cutting apart by specific interval though will download the process (S915) of PPL information in the drawings.
The user terminal 30 of having downloaded PPL information carries out PPL information and DMB data synchronously, thereby supports the selection of user for object and side information.When step S917 user selects the overview of special object when televiewing, show the type of the side information that is used for corresponding object at step S919 user terminal 30.When step S921 has selected the type of side information, at step S923, the content that user terminal 30 corresponding supplemental informational content URL of visit and download user are asked.
Figure 10 shows coordinate information that sends object and the execution mode of downloading GUIP information.
As shown in the figure, at step S1001, user terminal 30 receives broadcasting DMB content and plays corresponding broadcasted content at step S1003 from broadcast system 102, thereby the user can watch and listen to this content.When the user when step S1005 selects the GUIP initiating key, user terminal 30 automatic access supplemental information service providing servers 710 also begin request message at step S1007 transmission GUIP.In this case, the for example information of channel, program, PTS, terminal MIN and terminal type automatically being inserted into GUIP begins in the request message.
When receiving GUIP when beginning acknowledge message at step S1009 from side information service providing server 710, user terminal 30 activates and makes the user can be from the function of broadcast picture alternative.
In general,, also can not carry out any operation, maybe can carry out specific DMB function even the user has pressed the specified point on the screen of touch-screen.Therefore; For service of the present invention is provided; When having selected the GUIP initiating key; User terminal 30 must activate corresponding service function, and when the user selects the specified point on the picture subsequently in step S1011, must will comprise in step S1013 that the GUIP information request message of corresponding coordinate information (axis of abscissas and axis of ordinates) and PTS information sends to side information service providing server 710.
In this case, channel and programme information must be included in the GUIP information request message.In some cases, service of the present invention can be implemented as: when this information is can not send corresponding information once more when having begun information that request message sends through GUIP.
Side information service providing server 710 be identified in broadcast picture that the corresponding some user of place watches based on the coordinate information that comprises in the GUIP information request message and PTS information and the picture selected with the user on the corresponding object of coordinate, the corresponding PPL information of search in step S1015 then.
In current execution mode, only need provide the object selected with the user can with the relevant information of type of supplemental information and the content URL that belongs to the PPL information of searching for.Therefore, at step S1017, side information service providing server 710 does not provide can be in order to the URL of independent download corresponding information, but returns the GUIP validation of information message that wherein includes GUIP information (type of side information and content URL).
As the response to this, at step S1019, user terminal 30 shows the relevant information of type with the side information that belongs to the GUIP information that is received on screen.When user steps S1021 selects particular supplemental information, user terminal 30 is at step S1023 visit content corresponding URL and download this content.
Industrial applicibility
Exactly side information and frame are complementary according to the system and method for the side information service that is used to provide relevant of the present invention each frame based on the broadcasted content of real-time change with broadcasted content; This side information then is provided, thereby improves the satisfaction of user for service.
In addition; The present invention is in order to comprise the bi-directional data broadcast service that provides on the realization radio network on the communication network of mobile communications network effectively; Thereby, but because the present invention has gratifying marketability and sales potential and can actually implement, so the present invention is available in industry.
In addition; According to the present invention; It is advantageous that: through user terminal and the interactive operation between " being used to provide the side information service providing server and the content server of side information "; Can various types of information be provided and need not change existing broadcast system through the combination of DMB service and PPL information service, the result can avoid occupying the data market relevant with new DMB customer group, and can generate new data market.
Though disclose preferred implementation of the present invention for the example purpose; But those skilled in the art are to be understood that; Under the situation that does not break away from disclosed scope of the present invention and spirit in the appended claims, can realize various modifications, interpolation and alternative.
Claims (13)
1. system that the side information relevant with the broadcasted content that is broadcast to user terminal service is provided, said system comprises:
Reproduction time mark PTS information generates server; It is used for receiving various types of broadcasted contents and the programme information relevant with said broadcasted content from broadcast system; Identify the information relevant with the time started of particular broadcast content; From said broadcasted content, extract and corresponding PTS information of the said time started of respective broadcast content, and send the PTS information that extracts with absolute time information; And
The side information service providing server; It is used for storage and the corresponding various side information sections of said broadcasted content; Generate from said PTS information that server receives the information relevant with the time started of said broadcasted content and the PTS information of the information of being correlated with corresponding to the time started of this and said broadcasted content; Based on the corresponding PTS information of the information relevant and elapsed time of calculating said special scenes with the relevant PTS information of the picture frame of the special scenes that provides by said user terminal with the said time started of broadcasted content; Thereby extract and the corresponding side information of special scenes that said user terminal is asked, and when user terminal requests, the said special scenes and corresponding side information that is associated is provided through communications facility.
2. system according to claim 1, wherein, relevant information of time started said and said broadcasted content comprises and corresponding reproduction time label information of the time started of said broadcasted content.
3. system according to claim 2; Wherein, The temporal information of said scene comprises the reproduction time label information of said scene; And wherein, the reproduction time label information of said side information service providing server basis and corresponding reproduction time label information of said time started and said scene calculates the said elapsed time, and extract will offer said user terminal with corresponding side information of said elapsed time.
4. system according to claim 3; Wherein, When the user terminal requests side information; The coordinate information and the PTS information relevant with the picture frame of special scenes of the image of special scenes are provided, and wherein, said side information service providing server uses the coordinate information of the image of elapsed time and special scenes to extract corresponding side information as parameter.
5. according to the described system of arbitrary claim among the claim 1-3; Wherein, Said side information service providing server further receives the coordinate information of the image of special scenes from said user terminal, and provides and said elapsed time and the two corresponding side information of said coordinate information to said user terminal.
6. according to the described system of arbitrary claim among the claim 1-4, wherein, said side information service providing server provides and the corresponding URL information of side information that will download to user terminal.
7. system according to claim 1; Wherein, Said broadcasted content comprises the reproduction time label information of said scene, and wherein, said reproduction time mark PTS information generates server and forms generated time labeling CT S information; This CTS information provides the benchmark that is used in time PTS information and bi-directional data broadcasting side information synchronised, and said side information service providing server provides the side information that comprises said CTS information to said user terminal.
8. system according to claim 1; Wherein, Said broadcasted content comprises the reproduction time label information of said special scenes, and wherein, said PTS information generates server and forms generated time labeling CT S information; This CTS information provides the benchmark that is used in time PTS information and bi-directional data broadcasting side information synchronised; Said PTS information generates server and to said side information service providing server said CTS information is provided, and wherein, said side information service providing server provides the side information that comprises said CTS information to said user terminal.
9. method that the side information relevant with the broadcasted content that is broadcast to user terminal is provided said method comprising the steps of:
Reproduction time mark PTS information generates server and receives various types of broadcasted contents and the programme information relevant with said broadcasted content from broadcast system; Identify the information relevant with the time started of particular broadcast content; From said broadcasted content, extract and corresponding PTS information of the said time started of respective broadcast content, and send the PTS information that extracts with absolute time information;
Storage of side information service providing server and the corresponding various side information sections of said broadcasted content; Generate from said PTS information that server receives the information relevant with the time started of said broadcasted content and the PTS information of the information of being correlated with corresponding to the time started of this and said broadcasted content; Based on the corresponding PTS information of the information relevant and elapsed time of calculating said special scenes with the relevant PTS information of the picture frame of the special scenes that provides by said user terminal with the said time started of broadcasted content; Thereby extract and the corresponding side information of special scenes that said user terminal is asked, and when user terminal requests, the said special scenes and corresponding side information that is associated is provided through communications facility.
10. method according to claim 9, this method is further comprising the steps of:
When the user terminal requests side information; The coordinate information and the PTS information relevant with the picture frame of special scenes of the image of special scenes are provided; Wherein, said side information service providing server uses the coordinate information of the image of elapsed time and special scenes to extract corresponding side information as parameter.
11. method according to claim 9, wherein, the side information service providing server also receives the coordinate information of the image of special scenes in receiving step,
And wherein, the two extracts and the corresponding side information of said scene according to said elapsed time and said coordinate information.
12. according to claim 9 or 10 described methods, wherein, said side information provides step to comprise: provide and the corresponding URL information of side information that will download to said user terminal.
13. method according to claim 9, wherein, said side information provides step to comprise:
The side information that comprises generated time labeling CT S information is provided to said user terminal; Wherein, Said broadcasted content comprises the reproduction time label information of said scene; And said reproduction time mark PTS information generates server and forms CTS information, and this CTS information provides and has been used for the benchmark of in time PTS information and bi-directional data being broadcasted the side information synchronised.
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| KR20080045576A (en) | 2008-05-23 |
| CN101554054A (en) | 2009-10-07 |
| KR101253546B1 (en) | 2013-04-11 |
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