CN103237231B - The distribution method of a kind of EPG, EPG device and terminal equipment - Google Patents
The distribution method of a kind of EPG, EPG device and terminal equipment Download PDFInfo
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- CN103237231B CN103237231B CN201310115791.8A CN201310115791A CN103237231B CN 103237231 B CN103237231 B CN 103237231B CN 201310115791 A CN201310115791 A CN 201310115791A CN 103237231 B CN103237231 B CN 103237231B
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Abstract
The embodiment of the present invention relates to digital TV field, is specifically related to the distribution method of a kind of EPG, EPG device and terminal equipment.Comprise: several digital-TV operator obtain media data; EPG device receives the programme information of TV station's transmission and produces degree of depth EPG information; According to user send viewing request to terminal equipment issuing deep EPG information; Receive user profile and the appointed program information selected by degree of depth EPG information and determine a digital-TV operator according to described user profile, and in whole broadcast information of this digital-TV operator, mate corresponding broadcast information, and broadcast information is supplied to described terminal equipment; Terminal equipment obtains corresponding media data according to the broadcast information of digital-TV operator.By the method sent separately independent of media data by programme information, each digital-TV operator, without the need to repeating EPG editing, saves cost, simplifies the complexity of EPG system.
Description
Technical field
The present invention relates to digital TV field, be specifically related to the distribution method of a kind of EPG, EPG device and terminal equipment.
Background technology
Cultural industry development and the integration of three networks are just promoting the track that China Digital TV moves towards fast-developing.According to Glan research statistics, China cable digital TV user breaks through 100,000,000, and cabled digital degree surpasses 60 percent, and IPTV and the internet television of broadcasting and TV and telecommunications cooperative development simultaneously are also constantly popularized, and market scale constantly expands.Can predict, under Industrial Convergence and technology humanized, Digital Television related service will increase substantially the coming years, and Digital Television enters Rapid development stage.
Completely different in the mode that Digital Television and simulated television are selected at program.The corresponding program of each channel of simulated television, as long as be transferred to corresponding frequency, user just can see image.And in Digital Television, multiple program is multiplexed in a code stream, each program only occupies the part bag in code stream, the channel of such physics can only provide the transport stream comprising multiple program, watch certain program wherein, also must extract transmission package corresponding to program from code stream, and then decode.Need the information on services that some necessity are provided, such as programme distant information etc. for this reason, select program to be very important to help user.
Electronic program guides (EPG, ElectronicProgramGuide) abundant programme distant information can be provided, and there is convenience, flexibly content retrieve engine, can browse by its user easily and inquire about programme information, more programme information can also be seen by electronic program guides, as program abstract, actor information, program segment etc. simultaneously.By EPG, user can the program liked to oneself of quick position, is also convenient to the service that user obtains richer personalization simultaneously.Can say, EPG is the door that spectators enter digital and electronic program, achieves the substantial interaction between Digital content providers and consumer.
In Digital Television, all sounds, vision signal and data message, after coding, before entering legacy system, must be packed according to Moving Picture Experts Group-2, form transport stream (TS, the TransportStream) bag of regular length.For the TS bag that these length are identical, if do not have guidance information, terminal to find required code stream.In Moving Picture Experts Group-2, define program specific information PSI (ProgramSpecificationInformation) specially for this reason, its role is to Lookup protocol and guiding terminal is decoded.PSI information is made up of following four kinds of tables: (1) Program Association Table PAT; (2) Program Map Table PMT; (3) network information table NIT; (4) conditional access table CAT.In actual applications, when decoder terminal will be decoded to a certain road special code stream, first to find pat table, find the identity code transmission package (PID, PacketIDdentifier) of required program and pmt table corresponding to this program according to pat table.May include multiple digital code stream in pmt table, each code stream has a unique PID corresponding with it.If what decode is video code flow, then in pmt table, find videoPID value, then from code stream, filter out pid value and the TS that mates with it wraps and delivers to Video Decoder.The PSI of MPEG-2 provides the information of related-program composition and correlation, thus terminal can be resolved multiple path transmission flow.
But, the PSI information of MPEG-2 can not provide the programme information such as additional information of time started of the title of program, program, duration and program, expanded definition business information SI in the digital video broadcasting (DVB, DigitalVideoBroadcasting) for this reason.PSI information is substantially all relevant with existing stream (AS, ActualStream), and SI then can comprise some business not in existing stream and event information, thus allows user more to select and understand other business information more.Show different from four kinds that PSI defines, define 9 kinds of tables in SI, the most important table wherein forming basic EPG information is network information table NIT, SDT Service Description Table SDT and Event Information Table EIT.The information that SI table transmits is all provided by the form of descriptor (descriptor).
EPG information is divided into basic EPG information and expansion EPG information two kinds.Basic EPG information is described with SI information table, what represent with text formatting describes the relevant network information, program group information, business description information and event information with program, undertaken representing and transmitting by the NIT that specifies in GY/T231-2081, BAT bouquet association table BAT, SDT, EIT and EMT, these tables are divided into one or several sections (SECTION), each fragmented packets contains part or all about the information shown, and is then inserted in TS flow transmission bag.Expansion EPG information is the expansion on basic EPG information basis, and it describes more programme information, as program abstract, actor information etc.
Realize EPG at present, need to utilize SI to show to realize, in this approach, transmitting terminal transmitting and receiving terminal equipment realizes the SI table needed for EPG, and the SI table that receiving terminal receiving end/sending end sends, by information extraction and computing with words, the EPG that organizational composition is complete, and be shown to user.But there is following shortcoming in aforesaid way:
1) EPG dynamic content information derives from TV station, each digital-TV operator needs to obtain dynamic EPG content information from each TV station or third party, used device is wanted in each like this operation commercial city, input special messenger goes to collect editing and updating dynamic EPG information every day, and equipment investment repeats, content update work repeats;
2) EPG is the entrance of digital television terminal user, and EPG derives from single operator, therefore causes the binding of terminal and operator;
3) the EPG content information updating of each operator is asynchronous, inconsistent, causes puzzlement and the complaint of user.
Summary of the invention
The distribution method of a kind of EPG that the embodiment of the present invention provides, EPG device and terminal equipment, for solving, used device is wanted in each operation commercial city in prior art, input special messenger goes to collect editing and updating dynamic depth EPG information every day, the problem that equipment investment repeats, content update work repeats and the EPG content information updating of each operator is asynchronous, inconsistent.
The distribution method of a kind of EPG that the embodiment of the present invention provides, described method comprises:
Several digital-TV operator obtain media data;
EPG device receives the programme information that TV station sends
And produce the degree of depth EPG information corresponding with described programme information;
According to the viewing request that user is sent to described EPG device by terminal equipment, described EPG device issues described degree of depth EPG information to described terminal equipment;
Receive user profile and the appointed program information of user selected by described degree of depth EPG information;
Described EPG device determines a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and the described broadcast information of this correspondence is supplied to described terminal equipment;
Described terminal equipment obtains corresponding described media data according to the described broadcast information of correspondence.
The distribution method of above-mentioned a kind of EPG, wherein, described method also comprises:
Described EPG device receives the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
When the program that the described appointed program information of user's selection provides for described Internet video provider, then the broadcast information of this Internet video provider is supplied to described terminal equipment by described EPG device;
Described terminal equipment obtains corresponding media data according to the described broadcast information of described Internet video provider.
The distribution method of above-mentioned a kind of EPG, wherein, described broadcast information comprises: channel frequency point information and media network address.
The distribution method of above-mentioned a kind of EPG, wherein, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.
The distribution method of above-mentioned a kind of EPG, wherein, described appointed program information comprises: the size of programm name, media data and fluency.
The embodiment of the present invention also provides a kind of EPG device, and described device comprises:
Information creating unit, for receiving the programme information that TV station sends, and produces the degree of depth EPG information corresponding with described programme information;
Information transmitting unit, for the viewing request sent by terminal equipment according to user, issues described degree of depth EPG information to described terminal equipment;
Information receiving unit, for receiving user profile and the appointed program information of user selected by described degree of depth EPG information;
Information matching unit, for determining a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and by information transmitting unit, the described broadcast information of this correspondence is supplied to described terminal equipment.
Above-mentioned a kind of EPG device, wherein, described information creating unit also for receiving the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
The broadcast information of this Internet video provider also for the program that the described appointed program information selected as user provides for described Internet video provider, is then supplied to described terminal equipment by described information matching unit.
The embodiment of the present invention also provides a kind of terminal equipment, and wherein, described terminal equipment comprises:
Receiving element, for receiving degree of depth EPG information that EPG device issues and receiving broadcast information;
Transmitting element, for sending the appointed program information of user selected by described degree of depth EPG information to described EPG device;
Acquiring unit, obtains corresponding described media data for the broadcast information according to described digital-TV operator.
The embodiment of the present invention also provides a kind of terminal equipment, and wherein, described acquiring unit is also for obtaining corresponding media data according to the broadcast information of Internet video provider.
The embodiment of the present invention also provides a kind of terminal equipment, and wherein, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.
The distribution method of a kind of EPG that the embodiment of the present invention provides, by the method that programme information is sent separately independent of media data, existing system can be simplified, operator is without the need to dropping into special messenger, also without the need to used device, thus reduce the complexity of existing EPG system, reach the object simplifying existing system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the distribution method of a kind of EPG in the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of EPG device in the embodiment of the present invention;
Fig. 3 is the structural representation of a kind of terminal equipment in the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.At this, schematic description and description of the present invention is for explaining the present invention, but not as a limitation of the invention.
The embodiment of the present invention provides the distribution method of a kind of EPG, and as shown in Figure 1, described method comprises:
Step 101, several digital-TV operator obtain media data;
Step 102, EPG device receives the programme information that TV station sends, and the order producing the degree of depth EPG information corresponding with described programme information preferably step 101 and step 102 can be exchanged, wherein, digital-TV operator only need by the receiving media data of special equipment from satellite broadcasting, and without the need to as in prior art, also obtain the programme information relevant to program from TV station, with this TV station also without the need to identical programme information is sent to each digital-TV operator, and only programme information need be sent to EPG device separately independent of media data.
Meanwhile, described EPG device produces the degree of depth EPG information corresponding with described programme information; Preferably, this programme information is EPG multidate information, the EPG multidate information that EPG device provides according to TV station carries out degree of depth EPG metadata editor, first trial, last instance as raw data, the EPG multidate information received the most at last is converted into degree of depth EPG information, preferably, the a series of degree of depth introductions such as protagonist, director, titbit, video quality can be comprised, so that user obtains the rating content of more heterogeneous pass in degree of depth EPG information.
In prior art, because each digital-TV operator needs to obtain EPG multidate information from each TV station or third party, and platform net is separated completely, independent of contact mutually, there is thousands of TV station in the whole nation, Chao Wubaige network company, and these digital-TV operator of the whole nation, only CNTV is doing EPG editing with regard to tens people, like this, each digital-TV operator will drop into sizable equipment, special messenger goes to collect editing and updating dynamic depth EPG information every day, and workload is very loaded down with trivial details.And the distribution method of the EPG that the embodiment of the present invention provides, eliminate the human and material resources of a large amount of digital-TV operator, only need EPG device to go once to collect, whole digital-TV operator just can be made to share this degree of depth EPG information.
Preferably, method provided by the present invention, can according to the difference in area, multiple EPG device is set, the digital-TV operator in each area shares the degree of depth EPG information of this area, certainly also the device of a total EPG can be set in nationwide, so all programme informations of National Television platform be gathered editor, need to issue different degree of depth EPG information according to various places digital-TV operator.
Step 103, according to the viewing request that user is sent to described EPG device by terminal equipment, described EPG device issues described degree of depth EPG information to described terminal equipment; This viewing request can be the solicited message that terminal equipment generates, EPG device is sent to by two-way terminal equipment, when EPG device receives this viewing request, immediately to terminal equipment issuing deep EPG information, the communication of terminal equipment and EPG device is only involved in this step, and without the need to digital-TV operator and the mutual degree of depth EPG information of terminal equipment.
Step 104, receives user profile and the appointed program information of user selected by described degree of depth EPG information; The degree of depth EPG information of user by receiving, select to need the program of viewing as appointed program, after selected, appointed program information is returned to EPG equipment by terminal equipment.
Step 105, described EPG device determines a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and the described broadcast information of this correspondence is supplied to described terminal equipment; The corresponding broadcast information of each appointed program information.Preferably, a corresponding inventory can be comprised in EPG device, wherein programme information is carried out corresponding with broadcast information.Such as, the news hookup watching one, central authorities is needed from Pekinese user, so first EPG device determines a digital-TV operator, then according to appointed program information, in whole broadcast information that this digital-TV operator provides, find the broadcast information about news hookup, then the broadcast information of this news hookup is supplied to terminal equipment.
Step 106, described terminal equipment obtains corresponding described media data according to the described broadcast information of correspondence.Preferably, the channel frequency point information of central authorities' news hookup of digital-TV operator is supplied to terminal equipment, now, terminal equipment just can receive one, central authorities according to concrete frequency point information.
According to the distribution method of the EPG that the above embodiment of the present invention provides, simplify existing system, operator is without the need to dropping into special messenger, also without the need to used device, thus reduce the complexity of existing EPG system, reach the object simplifying existing system, adopt method of the present invention, the TV programme in the whole nation upgrades degree and time unification, and it is convenient to bring to the rating of user simultaneously.
The distribution method of a kind of EPG that the embodiment of the present invention provides, preferably, described method also comprises:
Described EPG device receives the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
When the program that the described appointed program information of user's selection provides for described Internet video provider, then the broadcast information of this Internet video provider is supplied to described terminal equipment by described EPG device;
Described terminal equipment obtains corresponding media data according to the described broadcast information of described Internet video provider.
Preferably, Internet video content supplier comprises Internet video, IPTV and internet television.The above embodiment of the present invention, Digital Television and Web TV, Internet video are merged, user not only can select the Digital Television that speed is comparatively smooth, Web TV definition can also being selected higher by terminal equipment and the abundanter Internet video of content, widen the rating scope of user, and provide new way to the viewing of terminal use.
Preferably, the programme information that EPG device will provide according to Internet video provider, be similar to the programme information that TV station provides the same, also corresponding degree of depth EPG information is generated, and together preserve with the degree of depth EPG information that the programme information provided according to TV station generates, and generate corresponding corresponding inventory.When user selects, whole degree of depth EPG information can be supplied to user, select to watch for user the media data that the media data of Internet video provider or digital-TV operator provide according to demand.When user selects the media data of Internet video provider, so by the broadcast information of media data, namely media network address is supplied to user, and user can be linked to corresponding Internet video provider by address and watch.
The distribution method of a kind of EPG that the embodiment of the present invention provides, preferably, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.Solve the various restrictions that terminal equipment single in prior art brings, be user-friendly to and operate.
The distribution method of a kind of EPG that the embodiment of the present invention provides, preferably, described appointed program information comprises: the size of programm name, media data and fluency.According to the difference of appointed program information, EPG device can send different broadcast information to user, achieves the two-way choice between user and EPG device.
The distribution method of a kind of EPG provided by the above embodiment of the present invention, not only save the miscellaneous work of digital-TV operator, digital-TV operator is without the need to dropping into special messenger, also without the need to used device, the rating of returning user brings great convenience, widen the rating scope of user, and provide new way to the viewing of terminal use.
The embodiment of the present invention also provides a kind of EPG device, and as shown in Figure 2, described device comprises:
Information creating unit 201, for receiving the programme information that TV station sends, and produces the degree of depth EPG information corresponding with described programme information; Preferably, digital-TV operator only need from the receiving media data of satellite broadcasting, the programme information of TV station also without the need to being correlated with by program sends and is sent to digital-TV operator by the code stream of media data, but programme information sending to separately the information creating unit 201 of EPG device independent of media data, information creating unit 201 produces the degree of depth EPG information corresponding with this programme information immediately.
Information transmitting unit 202, for the viewing request sent by terminal equipment according to user, issues described degree of depth EPG information to described terminal equipment; So that user obtains the rating content of more heterogeneous pass.
Information receiving unit 203, for receiving user profile and the appointed program information of user selected by described degree of depth EPG information;
Information matching unit 204, for determining a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and by information transmitting unit, the described broadcast information of this digital-TV operator is supplied to described terminal equipment.
Preferably, this broadcast information comprises video information or audio-frequency information.
A kind of EPG device that the embodiment of the present invention provides, preferably, described information creating unit 201 also for receiving the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
The broadcast information of this Internet video provider also for the program that the described appointed program information selected as user provides for described Internet video provider, is then supplied to described terminal equipment by described information matching unit 204.Preferably, the broadcast information of this Internet video provider comprises: media network address.
The embodiment of the present invention also provides a kind of terminal equipment, and as shown in Figure 3, described terminal equipment comprises:
Receiving element 301, for receiving degree of depth EPG information that EPG device issues and receiving broadcast information; In the embodiment of the present invention, terminal equipment and EPG device directly set up two-way correspondence, are convenient to the degree of depth EPG information that user carries out receiving more horn of plenty, the new paragon of the multimedia viewing widened.
Transmitting element 302, for sending the appointed program information of user selected by described degree of depth EPG information to described EPG device;
Acquiring unit 303, obtains corresponding described media data for the broadcast information according to described digital-TV operator.
A kind of terminal equipment that the embodiment of the present invention provides, preferably, described acquiring unit is also for obtaining corresponding media data according to the broadcast information of Internet video provider.Concrete, the terminal equipment of the embodiment of the present invention, can also be connected to the various media datas of the Internet by media network address chain, user only needs just Digital Television and Web TV and Internet video to be carried out selectivity viewing on a playback terminal by a terminal equipment.
A kind of terminal equipment that the embodiment of the present invention provides, preferably, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.Solve the various restrictions that terminal equipment single in prior art brings, be user-friendly to and operate.
The distribution method of a kind of EPG provided by the above embodiment of the present invention, EPG equipment and terminal equipment, by the method that programme information is sent separately independent of media data, each digital-TV operator edits and revises operation without the need to repeating EPG, save cost, simplify the complexity of EPG system, reduce equipment investment, facilitate intensive operation, improve Social benefit and economic benefit, EPG accuracy rate problem can be solved better and realize the strategic objective of country's " EPG is controlled ", the rating of returning user brings great convenience, widen the rating scope of user, and provide new way to the viewing of terminal use.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a distribution method of EPG, is characterized in that, described method comprises:
Several digital-TV operator obtain media data;
EPG device receives the programme information that TV station sends, and produces the degree of depth EPG information corresponding with described programme information;
According to the viewing request that user is sent to described EPG device by terminal equipment, described EPG device issues described degree of depth EPG information to described terminal equipment;
Receive user profile and the appointed program information of user selected by described degree of depth EPG information;
Described EPG device determines a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and the described broadcast information of this correspondence is supplied to described terminal equipment;
Described terminal equipment obtains corresponding described media data according to the described broadcast information of correspondence.
2. the distribution method of a kind of EPG according to claim 1, is characterized in that, described method also comprises:
Described EPG device receives the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
When the program that the described appointed program information of user's selection provides for described Internet video provider, then the broadcast information of this Internet video provider is supplied to described terminal equipment by described EPG device;
Described terminal equipment obtains corresponding media data according to the described broadcast information of described Internet video provider.
3. the distribution method of a kind of EPG according to claim 2, is characterized in that, described broadcast information comprises: channel frequency point information and media network address.
4. the distribution method of a kind of EPG according to claim 1, it is characterized in that, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.
5. the distribution method of a kind of EPG according to claim 2, is characterized in that, described appointed program information comprises: the size of programm name, media data and fluency.
6. an EPG device, is characterized in that, described device comprises:
Information creating unit, for receiving the programme information that TV station sends, and produces the degree of depth EPG information corresponding with described programme information;
Information transmitting unit, for the viewing request sent by terminal equipment according to user, issues described degree of depth EPG information to described terminal equipment;
Information receiving unit, for receiving user profile and the appointed program information of user selected by described degree of depth EPG information;
Information matching unit, for determining a digital-TV operator according to described user profile, and the broadcast information that coupling is corresponding with described appointed program information in whole broadcast information of this digital-TV operator, and by information transmitting unit, the described broadcast information of this correspondence is supplied to described terminal equipment.
7. a kind of EPG device according to claim 6, is characterized in that, described information creating unit also for receiving the programme information that Internet video provider provides, and produces the degree of depth EPG information corresponding with described programme information;
The broadcast information of this Internet video provider also for the program that the described appointed program information selected as user provides for described Internet video provider, is then supplied to described terminal equipment by described information matching unit.
8. a terminal equipment, is characterized in that, described terminal equipment comprises:
Receiving element, for receiving degree of depth EPG information that EPG device issues and receiving broadcast information;
Transmitting element, for sending the appointed program information of user selected by described degree of depth EPG information to described EPG device;
Acquiring unit, for obtaining corresponding media data according to the broadcast information of digital-TV operator.
9. a kind of terminal equipment according to claim 8, is characterized in that, described acquiring unit is also for obtaining corresponding media data according to the broadcast information of Internet video provider.
10. a kind of terminal equipment according to claim 8, is characterized in that, described terminal equipment at least comprises one of following: bi-directional set-top box, interactive network television set top box, based on the Video service Set Top Box of open the Internet and intelligent TV set.
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|---|---|
| CN103237231A (en) | 2013-08-07 |
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