CN100536556C

CN100536556C - A method to realize the design and update of picture advertisement of set top box

Info

Publication number: CN100536556C
Application number: CNB2005100866664A
Authority: CN
Inventors: 曹青; 易鹏; 党海飞
Original assignee: China Central TV Station
Current assignee: China Central TV Station
Priority date: 2005-10-20
Filing date: 2005-10-20
Publication date: 2009-09-02
Anticipated expiration: 2025-10-20
Also published as: CN1953534A

Abstract

The invention relates to a method for designing and refreshing set-top box picture advertisement, in TV single-direction broadcast network. Wherein, it comprises EPG produce server, sender, digit TV network, remote controller, set-top box, and TV; it designs serial number of available page of EPG interface, while the produced image data is in available range, to be correlated with serial number of displayed interface and defines its displayed position. The invention is characterized in that it makes the data into TS dataflow with special PID format to be transmitted with program single dataflow; the analyze module of terminal EPG application program extracts BMP image data, to display it at appointed position of appointed page of correlation. The invention will not affect itself navigate function, with advertisement effect, without inserting advertisement in video program.

Description

Set-top box display advertising design and the implementation method of upgrading

Technical field

The invention belongs to digital TV field, the implementation method that is particularly related to a kind of set-top box display advertising design and upgrades, that is: on digital TV set-top box, utilize the advertisement that Shows Picture of the vacant position at interface by unidirectional broadcast network, be specifically related to the advertisement image data of front end broadcast transmission specific format and the unidirectional reception data of local terminal set-top box and the parsing of data used show.

Background technology

Since the Digital Television development, program audience becomes under the situation of paying, and advertisement content reduces accordingly, watches as paying that the spectators of Digital Television can't stand certainly and intercuts a large amount of advertisements in the TV.In the case, how the more efficient use advertising resource has just become problem.In the process that the design set-top box EPG is used, consider the EPG menu interface of set-top box, except placing effective EPG navigation content, on the interface, also have a lot of clearance spaces effectively not utilize.At this situation, can put some pictures that have advertising message (such as certain commodity Logo, the Logo of company etc.) in some specific spare bits at EPG interface.If but in design interface, being fixed on the set-top box in company with the set-top box program, the picture resource of being placed is limited, and has fixed and cannot change.

In addition, consider the particularity of TV broadcast network, it is different from general IP network, be asymmetric, has one-way and can not feedback, request of data for ad-hoc location under such situation has just become difficulty, such as will be at the renewal of part interface data, need be to these data of server end request, but passback request if desired for the application of Digital Television, needs extra equipment, such as by walking telephone wire or additional modern dialing passback and program circuit is carried out the transformation of return path, Hua Fei cost is no small in a word.

Summary of the invention

What the objective of the invention is to develop at the problems referred to above is a kind of under the TV unidirectional broadcast network, set-top box display advertising design and the implementation method of upgrading.

It makes server unit, dispensing device, digital tv network and receiving unit by making part: EPG: remote controller, set-top box, television set are realized, EPG makes server unit and contains EPG making server, mutual record and broadcast server, video frequency program storage server, code conversion server, multiplexing modulation server, contains programme signal receiving system, programme signal dispensing device, remote controller signal transceiver and little process chip and static state, dynamic memory etc. in the set-top box.

The step of this method is:

A. at first import the video data step,

B. generate the mpeg table data step,

C. generate specific data flow step, promptly use the TS instrument, generate specific data flow the mpeg table data encapsulation,

D. be compound to front end EPG transport stream and carry out the One-to-All Broadcast step;

After set-top box receives broadcast message:

E. resolve specific data flow step, promptly the EPG application program in the set-top box parses the mpeg table of specific data flow, obtains to comprise the initial data of advertisement picture,

F. display frame step; I.e. numbering of carrying according to ad data and positional information reduction display ads picture.

Describedly be compound to the step that front end EPG transport stream is carried out One-to-All Broadcast, contain further step, in BAT (the Bouquet Association Table) table of the EPG of front end transport stream, generate and send the descriptor data step of incidence relation,

Described video data is the vacant position and the numbering at EPG listing interface of the set-top box of definition, and the advertisement picture of definition and numbering are made the correspondent advertisement picture according to the numbering of vacant position then,

The TS data flow that described specific data flow is specific PID form,

Described incidence relation is the specific data flow incidence relation with the EPG interface, by this incidence relation is, the user is when watching the EPG interface that shows, and incidence relation navigates to the advertisement picture of EPG interface correspondence position in view of the above.

The invention has the beneficial effects as follows, use this kind method operator to design the advertisement image data according to demand freely, on menu, occur advertisement, neither influence the navigation feature of EPG menu interface itself, reached advertising effect again, need in video frequency program, not break for commercialsy, not influence the rating of user program.And adopt this renewal advertising, front end only need upgrade method that the content of advertisement image data in a small amount adopts this invention to introduce then and send to broadcast away and get final product, can do by myself automatic reception and lay advertisement of terminal, data volume is little, insertion TS data flow makes things convenient for and can just realize on the set-top box of present common configuration and can and need not add supplementary equipment therefore, also need not be by means of bilateral network or return path, and she can also reach the result who dynamically updates ad content.

Below in conjunction with drawings and Examples the present invention is made a detailed description.

Description of drawings

Fig. 1 Digital Television is made, the Play System schematic diagram;

Fig. 2 is an EPG interface schematic diagram;

Fig. 3 is the making transmission flow of advertising programme;

Fig. 4 is the reception reduction flow process of advertising programme;

Fig. 5 is the TS data stream format flow process of specific PID form;

Fig. 6 is the transmission form of the TS data flow of specific PID form;

Fig. 7 is the BAT table descriptor flow process of incidence relation;

Fig. 8 is the descriptor data list structure of incidence relation.

Embodiment

Referring to Fig. 1, EPG makes server unit 1.1, it contains EPG making server, mutual record and broadcast server, the video frequency program storage server, the code conversion server, multiplexing modulation server, dispensing device 1.2, digital tv network 1.3, and receiving unit: set-top box 1.4, it contains the programme signal receiving system, the programme signal dispensing device, remote controller signal transceiver and little process chip and static state, dynamic memory etc., television set 1.5 and remote controller 1.6, EPG makes server unit and finishes the making of EPG program by dispensing device 1.2, send signal on the digital tv network 1.3, after set-top box 1.4 receives signal by digital tv network 1.3, show output and pass through remote controller 1.6 at television set 1.5, program is selected.

Referring to Fig. 2,3,4, wherein, EPG interface 1 (television display screen), EPG programme 2, vacant position 3, EPG interface, normal EPG program making 4, advertisement picture making 5, TS data encapsulation 4-2, programme TS data flow 4-3, advertisement image data 5-1, the TS data flow 5-2 of specific PID form, multiplexer is multiplexing 6, transmission network 7, normal EPG program is resolved and is broadcasted 8, and the advertisement picture resolves 9, TS parsing module 8-1.

The enforcement of this method mainly is divided into two parts,

First, operator's digital television system front end: as shown in Figure 3, except the work of normal EPG program making 4, in advertisement picture making 5, by input advertisement image data 5-1 in EPG program making server, the data that include vacant position 3, the EPG interface except that EPG programme 2 as shown in Figure 2 and numbering in the data, the data of definition advertisement picture and numbering, numbering according to vacant position is made the correspondent advertisement picture data, by TS data encapsulation 4-2, these data are generated the TS data flow 5-2 of specific PID form, then by multiplexer multiplexing 6, in the BAT (Bouquet Association Table) of the EPG of front end transport stream table, generate the advertisement image data 5-1 to be sent and the descriptor data of EPG programme 2 association, the TS data flow 5-2 of specific PID form is compound to programme TS data flow 4-3, sends to digital television transmission 7 through dispensing device 1.2.

Second portion. digital television system rear end: as shown in Figure 4, the number TV set-top box is by digital television transmission 7, after receiving the composite program signal, except normal EPG program is resolved the step of broadcasting in 8, resolve in 9 at the advertisement picture, EPG application program filtering in the set-top box goes out the TS data flow 5-2 of specific PID form, and by TS parsing module 8-1, advertisement image data 5-1 is reduced, then according to the advertisement image data 5-1 in BAT (the Bouquet Association Table) table of EPG and the descriptor data of EPG programme 2 association, at EPG interface 1 display update.

The enforcement of the method is exactly the tissue of image data and how to show on specific interface.So need in advance specific the utilized page in the EPG interface of set-top box to be designed numbering, can utilize the zone also will to define in advance and can place in the page of display advertising, the image data of making will be in the scope utilized of respective interface, be associated with the numbering at interface to be shown, and define the position of its demonstration, key is these data to be generated the TS data flow of specific PID form and playbill data stream together sends out, after the parsing module of terminal EPG application program extracts the BMP image data like this, show according to the assigned address of its incidence relation again in specified page.

Fig. 5, it is the TS data stream format flow process of specific PID form, 10 as picture data list structure (BMP_DATA_SECTION), 10.1 PID table sign ID (TABLE_ID) at first is set: be set to 0x90 among the embodiment, next 10.2 tables of data Warning Marks that picture is set: be always 1,10.3 the first place of picture table is set, if for same PID Table I D first the table be set to 1,10.4 the length of picture data table is set, 10.5 numbering (TABLE_ID_EXT) for different I D in the PID table, it is the page number of different advertisement pictures in the picture, 10.6 version number is set, 10.7 the table number (section_number) of picture is set: look big I for the data of a picture and divide a plurality of tables, 10.8 are provided with the last digit of tables of data: begin to progressively increase one by one to cut apart and merge from section_number 0; When section_number=0, what represent this section_number transmission is positional information and palette, all palettes all use 8 bit data, show thereafter information by set-top box according to this tone plate, 10.9 image coordinate is set: contain the abscissa original position of BMP in the page, unit is a pixel; The ordinate original position of BMP in the page arranged, and unit is a pixel; The width of BMP in the page arranged, and unit is a pixel; The height of BMP in the page arranged, and unit is a pixel; 10.10 the sweep spacing of image on screen is set, and 10.11 are provided with the number of palettes that image uses, 10.12 receive concrete image frame data, and described picture data is exactly the content that will encapsulate and resolve, and 10.13 are provided with the CRC32 check character.

The TS data flow of the specific PID form of defined TS encapsulation of the present invention and parsing, be the picture format data, BMP_DATA_SECTION is used to transmit picture data in the form, if when in same PID, transmitting with other data, have only when all BMP_DATA_SECTION of same TABLE_ID and TABLE_ID_EXT have passed, just can insert other data in the code stream of this PID.

Fig. 6, signal be the TS data flow embodiment chart of the specific PID form of picture format data, it is the more specific description to Fig. 5.

Fig. 7, it is descriptor flow process in the BAT table of incidence relation, from correlation tag explanation 11 (Linkage_descriptor), at first 11.1 various ID data have been described, comprise: care label (descriptor_tap), length (decriptor_length) is described, transport stream ID (transport_stream_ID), represent this programs recommended corresponding EIT place transport stream ID, primitive network ID (original_network_ID), represent the former network ID of this programs recommended corresponding EIT, service ID (service_ID), represent the programming events ID of this programs recommended corresponding program, 11.2 the correlation tag type is set: represent image data with 81, if the correlation tag type is 0x81 then represent data formats is a BMP advertisement image data, 11.3 location PID: herein be that set-top box is located code stream fast for convenience, do not need to refilter the PMT in the corresponding code stream, 11.4 picture data Table I D (TABLE_ID): be the TABLE_ID of the TS data stream list that begins to carry image data herein, 11.5 (version_number) describes in version number: this version number is identical with version number value among Fig. 5 BMP_DATA_SECTION, after BAT table version changes, variation has taken place in that can to monitor these several linkage descriptors, the data that only need upgrade the TS tables of data of the descriptor dependent picture data that change get final product, 11.6 describe picture PID table sign ID numbering (table_ID_extension): represent different display advertising data types, 11.7 describe the end number of picture data table number: the Last_section_number of this image data of representative transmission.

For make the advertisement picture according to its position at set-top box specific interface display update, in BAT (Bouquet AssociationTable) table of the EPG application program of the EPG programme TS data flow of front end transmission, send the descriptor data of incidence relation, be used to locate the code stream PID at particular data place.

Fig. 8 signal be descriptor embodiment chart in the BAT table of incidence relation, it is the more specific description to Fig. 7.

Claims

1. set-top box display advertising design and the implementation method upgraded, it makes server unit (1.1), dispensing device (1.2), digital tv network (1.3) and receiving unit by making part: EPG: remote controller (1.6), set-top box (1.4), television set (1.5) are realized, it is characterized in that the step of this method is:

A. import the video data step, described video data is the vacant position and the numbering at EPG interface of the set-top box of definition, and the advertisement picture of definition and numbering are made the correspondent advertisement picture according to the numbering of vacant position then;

B. generate the mpeg table data step, will import video data and generate the mpeg table data;

C. generate the TS data flow of PID form,, generate the TS data flow of PID form the mpeg table data encapsulation; The TS data flow of described PID form comprises that the Data Labels that PID table sign ID is set, picture is set is sign, numbers, is provided with image coordinate for the page ID of different pictures in the PID table;

D. be compound to front end EPG transport stream and carry out the One-to-All Broadcast step, the TS data flow of PID form is compound to programme TS data flow by multiplexer, and in the BAT of the EPG of front end transport stream table, generate the advertisement image data to be sent and the data of description of EPG programme association, send to digital television transmission through dispensing device;

After set-top box receives broadcast message:

E. resolve the TS data flow step of PID form, be about to the reduction of advertisement image data,

F. display frame step is promptly according to the advertisement image data in the BAT table of EPG and the descriptor data of EPG programme association, at EPG interface display new data more.

2. a kind of set-top box display advertising design according to claim 1 and the implementation method of upgrading, it is characterized in that, described incidence relation is the incidence relation of the TS data flow of PID form with the EPG interface, is to generate the descriptor data in the BAT of EPG programme TS data flow table; Described descriptor data comprise correlation tag are set, be provided with and make things convenient for set-top box to locate the PID of stream sign indicating number fast, and to the description of ID data, described ID data comprise: the former network ID, the programs recommended corresponding programming events ID of representative that represent transport stream ID, the programs recommended corresponding EIT of representative of programs recommended corresponding EIT; By this incidence relation, the user is when watching the EPG interface that shows, and incidence relation navigates to the advertisement picture of EPG interface correspondence position in view of the above.