CN101448106B - Method and system for realizing real-time text advertisements in digital video broadcasting - Google Patents
Method and system for realizing real-time text advertisements in digital video broadcasting Download PDFInfo
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- CN101448106B CN101448106B CN2007100775024A CN200710077502A CN101448106B CN 101448106 B CN101448106 B CN 101448106B CN 2007100775024 A CN2007100775024 A CN 2007100775024A CN 200710077502 A CN200710077502 A CN 200710077502A CN 101448106 B CN101448106 B CN 101448106B
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Abstract
The invention is adapted to the field of a digital television and provides a method and system for realizing real-time text advertisements in a digital video broadcasting. The method comprises the following steps: producing the text advertisements by an editing tool with displaying function and provided by a condition receiving system or a user management system; adding text advertisement control information in an electronic program guides (EPG) system; broadcasting text advertisement data and text advertisement control information data to a multiplexer respectively by the condition receiving system and the EPG system; and mixing the text advertisement data and the displayed control information data into a transport stream by the multiplexer. The invention can effectively control the display effect of text advertisements at the receiving terminal of the digital television by producing the text advertisements by an editing tool with displaying function and provided by a condition receiving system or a user management system and adding text advertisement control information by the EPG system.
Description
Technical field
The invention belongs to digital TV broadcasting network, relate in particular to a kind of in digital video broadcasting the implementation method and the system of real-time text advertisements.
Background technology
Along with digital video broadcasting (Digital Video Broadcasting, DVB) development makes and can obtain more information by digital TV network that the service provider can provide more individual service in digital TV network, or content such as advertisement, obtain income.
In the prior art, the making that realizes advertisement in digital TV network mainly is that fore-end comprises advertisement editing equipment, as encoder, advertisement broadcasting server, multiplexing equipment etc. by digital TV front-end part and digital media terminal part.Advertisement editing equipment is used for Production Editor's Instant Ads, encoder is packaged into transmission code stream to the advertising message that edits, and generate program information table advertisement code stream is described, the renewal of ad content can be represented with the version number of describing in the program information table.Can also describe an advertisement playing duration in the program information table,, realize the automatic disappearance that advertisement is play with the broadcast duration of this duration control advertisement.But this mode need be added some equipment at digital TV front-end, as advertisement editing equipment, encoder, advertisement broadcasting server etc., has increased input cost, and the debugging use is complicated, is not easy to use and management.
Summary of the invention
The purpose of the embodiment of the invention is to provide the implementation method of real-time text advertisements in a kind of digital video broadcasting, is intended to solve ad production equipment complexity in the prior art, needs input cost many, and debugging is used complicated, is not easy to the problem of using and managing.
The embodiment of the invention is achieved in that the implementation method of real-time text advertisements in a kind of digital video broadcasting, and described method comprises the steps:
The edit tool of the screen display function that service condition receiving system or Subscriber Management System provide is made text advertisements;
Add the text advertisements control information in electronic program guidance system, described text advertisements control information comprises the control information that the information that is used to point out the user whether to watch text advertisements or force users are watched text advertisements;
Condition receiving system and electronic program guidance system broadcast the text advertisements data respectively and the text advertisements control information data is given multiplexer;
By multiplexer text advertisements data and text advertisements control information data are sneaked into transport stream.
Another purpose of the embodiment of the invention is to provide the realization system of real-time text advertisements in a kind of digital video broadcasting, and described system comprises:
Have the condition receiving system or the Subscriber Management System of screen display function unit, be used for the editing text advertisements;
Electronic program guidance system is used to add the text advertisements control information, and described text advertisements control information comprises the control information that the information that is used to point out the user whether to watch text advertisements or force users are watched text advertisements; And
Multiplexer is used for described text advertisements data and text advertisements control information data are sneaked into transport stream.
In embodiments of the present invention, by utilizing condition receiving system (Conditional Access System, CAS) or Subscriber Management System (Subscriber Management System, SMS) screen that is provided shows (On Screen Display, OSD) edit tool of function is made text advertisements, and at electronic program guides (Electronic Program Guide, EPG) add the text advertisements control information in the system, broadcast text advertisements data and text advertisements demonstration control data by CAS and EPG system respectively, simplify the making apparatus of digital video broadcasting Chinese version advertisement, improved the making and the efficiency of management of text advertisements.
Description of drawings
Fig. 1 is the system construction drawing of real-time text advertisements in the digital video broadcasting that provides of first embodiment of the invention;
Fig. 2 is the implementation method flow chart of real-time text advertisements in the digital video broadcasting that provides of first embodiment of the invention;
Fig. 3 is the system construction drawing of real-time text advertisements in the digital video broadcasting that provides of second embodiment of the invention;
Fig. 4 is the implementation method flow chart of real-time text advertisements in the digital video broadcasting that provides of second embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, utilize condition receiving system or Subscriber Management System to provide the edit tool of screen display function to make text advertisements, and adding text advertisements control information in the EPG system, broadcast text advertisements data and text advertisements demonstration control data respectively by condition receiving system and EPG system, described data are sneaked into transport stream by multiplexer.
Condition receiving system is the important component part in the digital video communication, is the necessary condition that realizes the video information service.Can condition receiving system also be for commercial object some broadcast service to be implemented access control, determine a digital receiving equipment specific broadcast program is represented the system to the end user.
Subscriber Management System for cable television service management pattern provide one complete, effectively the management and back-up system.Realization is to user's integrated management, and the unified management to the miscellaneous service service also provides the function of being convenient to the control and management of program provider simultaneously.Subscriber Management System runs through charging, customer service, account, product, each link of resource management, is the core that supports the digital television business operation.System design is based on the rights management of different role, the user can distribute different role and authority according to the needs of reality operation, on the basis of sharing a software platform, realize the difference in functionality of inner each department of operator, different agent, operator of subordinate.In embodiments of the present invention, mainly be exactly the message management function that utilizes described Subscriber Management System included: send all kinds of screens to the customer group of appointment and show.
Fig. 1 is the system configuration of real-time text advertisements in the digital video broadcasting that provides of first embodiment of the invention, and details are as follows:
The condition receiving system 11 that has screen display function unit is used for the editing text advertisements.
As one embodiment of the present of invention, require described condition receiving system that the screen display function is provided, and the edit tool that can use the screen display function to provide is made text advertisements.
As one embodiment of the present of invention, the edit tool of described screen display function has different styles or interface at different instruments, adds the text advertisements content in the content item in its notice information option.
As one embodiment of the present of invention, Program Specific Information (ProgramSpecific Information in described EGP system 12, PSI) described network information table (Nerwork Information Table, NIT) add the text advertisements control information in, whether be used for controlling program videotex advertisement in the receiving terminal for digital television correspondence.
In embodiments of the present invention, PSI by Program Association Table (Program Association Table, PAT), CAT Conditional Access Table (Conditional Access Table, CAT), Program Map Table (Program MapT able, PMT) and NIT form, these tables are inserted in the transport stream and transmit.How heterogeneity in different programs of PSI regulation and the program is multiplexed into a unified code stream, is the formation that the basis can provide a code stream with PSI, thereby the user can be selected program.
Receiving terminal for digital television 15 is used for receiving described transport stream.
As one embodiment of the present of invention, affiliated digit receiving terminal is resolved after receiving the TV programme transport stream, according to advertisement control information videotex advertisement in corresponding program of transport stream.
In embodiments of the present invention, described receiving terminal for digital television comprises digit receiving terminal such as set-top box, or digital television.
Fig. 2 is the implementation method flow process of real-time text advertisements in the digital video broadcasting that provides of first embodiment of the invention, and details are as follows:
In step S201, the service condition receiving system provides the edit tool of screen display function to make text advertisements.
As one embodiment of the present of invention, require described condition receiving system that the screen display function is provided, and the edit tool that can use the screen display function to provide is made text advertisements.
As one embodiment of the present of invention, the edit tool of described screen display function has different styles or interface at different instruments, adds the text advertisements content in the content item in its notice information option.
In step S202, in the EPG system, add the text advertisements control information.
In embodiments of the present invention, add the descriptor_tag identifier among the described NIT of PSI in the EPG system, transport stream ID (transport_stream_id), traffic ID (service_id) and the show label field (Ad_display_flag) that is used for describing the corresponding digital television program of text advertisements be totally three fields, is used for the control figure TV programme.Whether control by show label field Ad_display_flag in the advertisement of receiving terminal for digital television videotex.
Table 1
Show as table 1 and to realize a kind of self-defining text advertisements control information form that the real-time text advertisements system supports in the digital video broadcasting that the embodiment of the invention provides.
As one embodiment of the present of invention, the described text advertisements of table 1 uses and adds the descriptor_tag identifier among the described NIT of PIS, describes transport stream ID (transport_stream_id), traffic ID (service_id) and the show label field (Ad_display_flag) of the corresponding digital television program of text advertisements.Wherein,
Give descriptor_tag with the identifier data string assignment, in order to sign advertisement control information;
Ad_display_flag==0/* videotex advertisement */;
Ad_display_flag==1/* not videotex advertisement */.
For example, when descriptor_tag was " 800A0001000A000002000B01 ", what it will be represented in program transport streams Chinese version advertisement control information was:
80: one bytes, expression text advertisements control descriptor descripor_tag, it is 128 that value 80 is represented text advertisements control descriptor Tag;
0A: a byte, expression text advertisements control descriptor length, it is 10 bytes that value 0A represents text advertisements control descriptor length;
0001: two byte, expression text advertisements control descriptor transport stream ID (transport_stream_id), the transport stream ID (transport_stream_id) that on behalf of text advertisements, value 0001 show that control is described is 1;
000A: two bytes, expression text advertisements control descriptor traffic ID (service_id), the traffic ID (service_id) that on behalf of text advertisements, value 000A show that control is described is 10;
00: one byte, expression text advertisements control descriptor show label field (Ad_display_flag), the show label field (Ad_display_flag) that on behalf of text advertisements, value 00 show that control is described is 0, not videotex advertisement;
0002: two byte, expression text advertisements control descriptor transport stream ID (transport_stream_id), the transport stream ID (transport_stream_id) that on behalf of text advertisements, value 0001 show that control is described is 1;
000B: two bytes, expression text advertisements control descriptor traffic ID (service_id), the traffic ID (service_id) that on behalf of text advertisements, value 000A show that control is described is 11;
01: one byte, expression text advertisements control descriptor show label field (Ad_display_flag), the show label field (Ad_display_flag) that on behalf of text advertisements, value 00 show that control is described is 1, the videotex advertisement.
As one embodiment of the present of invention, this text advertisements control information data is joined in the EPG system among the described NIT of PSI, whether in its corresponding program, show or in specific programme information, show in order to the control text advertisements.
As one embodiment of the present of invention, described text advertisements control information also comprises user prompt information, is used to point out the user whether to watch described text advertisements.
As one embodiment of the present of invention, described text advertisements control information can also comprise forces the videotex advertising message, makes text advertisements force to be presented at receiving terminal for digital television.
In step S203, condition receiving system is broadcast the text advertisements data, and the EPG system broadcasts the text advertisements control information data simultaneously.
In step S204, by multiplexer text advertisements data and control information data thereof are sneaked into transport stream, and be transferred to digit receiving terminal by digital TV network.
As one embodiment of the present of invention, affiliated digit receiving terminal is resolved after receiving the TV programme transport stream, according to advertisement control information videotex advertisement in corresponding program of transport stream.
Fig. 3 is the system configuration of real-time text advertisements in the digital video broadcasting that provides of second embodiment of the invention, comprise the Subscriber Management System 31 that has screen display function unit, condition receiving system 32, EPG system 33, multiplexer 34, digital TV network 35 and receiving terminal for digital television 36.
As one embodiment of the present of invention, be different from the system configuration of real-time text advertisements in the digital video broadcasting that first embodiment of the invention provides, utilize the edit tool of the screen display function that described Subscriber Management System 31 provides to make text advertisements, and described text advertisements data are sent to condition receiving system 32 by the interface that condition receiving system provided, and broadcast described text advertisements data by condition receiving system.Other corresponding Elementary Function is described consistent with first embodiment of the invention, does not repeat them here.
Fig. 4 is the implementation method flow process of real-time text advertisements in the digital video broadcasting that provides of second embodiment of the invention, and details are as follows:
In step S401, the edit tool of the screen display function that the use Subscriber Management System provides is made text advertisements.
As one embodiment of the present of invention, require described Subscriber Management System that the screen display function is provided, and the edit tool that can use the screen display function to provide is made text advertisements.
As one embodiment of the present of invention, the edit tool of described screen display function has different styles or interface at different instruments, adds the text advertisements content in the content item in its notice information option.
In step S402, Subscriber Management System sends to condition receiving system by the interface that condition receiving system provides with the text advertisements data, broadcasts the text advertisements data by condition receiving system.
As one embodiment of the present of invention, described step S401 and S402 are for being different from the described method of implementation method process step S201 of real-time text advertisements in the digital video broadcasting that first embodiment of the invention provides among Fig. 2.The implementation method of real-time text advertisements is described consistent in other corresponding process step and the digital video broadcasting that first embodiment of the invention provides, does not repeat them here.
In the present invention, related the fine foundation of the screen display function of condition receiving system or Subscriber Management System and TV programme, utilize the screen display function Edit Text advertisement of condition receiving system, and utilize the EPG system to add the text advertisements control information, thereby reach the effect in the receiving terminal for digital television demonstration of effective control text advertisement information, conveniently effectively in digital video broadcasting, realized real-time text advertisements.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the implementation method of real-time text advertisements in the digital video broadcasting is characterized in that described method comprises the steps:
The edit tool of the screen display function that service condition receiving system or Subscriber Management System provide is made text advertisements;
Add the text advertisements control information in the EPG system, described text advertisements control information comprises the control information that the information that is used to point out the user whether to watch text advertisements or force users are watched text advertisements;
Condition receiving system and EPG system broadcast the text advertisements data respectively and the text advertisements control information data is given multiplexer;
By multiplexer text advertisements data and text advertisements control information data are sneaked into transport stream.
2. the method for claim 1, it is characterized in that the edit tool of the screen display function that described service condition receiving system provides is made the text advertisements step and is: add the text advertisements content information in the content item in the notice information option in described edit tool.
3. the method for claim 1, it is characterized in that, the edit tool of the screen display function that described use Subscriber Management System provides is made the text advertisements step: add the text advertisements content information in the content item in the notice information option in described edit tool, and described text advertisements data are sent to condition receiving system by the interface that condition receiving system provides, broadcast data by condition receiving system.
4. the method for claim 1, it is characterized in that, the described text advertisements control information step that adds in the EPG system is: add identifier in the described network information table of the Program Specific Information in the EPG system, be used for controlling the demonstration of text advertisements in program.
5. method as claimed in claim 4 is characterized in that, the described identifier step of adding in network information table is: add the descriptor_tag identifier in network information table, the control information of sign text advertisements.
6. method as claimed in claim 4, it is characterized in that, comprise in the described descriptor_tag identifier: traffic ID, text advertisements control descriptor show label field are described in text advertisements control descriptor, text advertisements descriptor length, text advertisements control transmission stream ID, text advertisements control descriptor traffic ID, text advertisements control descriptor show label field, text advertisements control descriptor transport stream ID, text advertisements control.
7. the realization system of real-time text advertisements in the digital video broadcasting is characterized in that described system comprises:
Have the condition receiving system or the Subscriber Management System of screen display function unit, be used for the editing text advertisements;
The EPG system is used to add the text advertisements control information, and described text advertisements control information comprises the control information that the information that is used to point out the user whether to watch text advertisements or force users are watched text advertisements; And
Multiplexer is used for described text advertisements data and text advertisements control information data are sneaked into transport stream.
8. system as claimed in claim 7, it is characterized in that the condition receiving system editing text advertisements that described utilization has screen display function unit is: add text advertisement information in the content item in the notice information option in the edit tool of described screen display function.
9. system as claimed in claim 7, it is characterized in that, the Subscriber Management System editing text advertisements that described utilization has screen display function unit is: add text advertisement information in the content item in the notice information option in the edit tool of described screen display function, and described text advertisements data are sent to condition receiving system by the interface that condition receiving system provides, broadcast data by condition receiving system.
10. system as claimed in claim 7, it is characterized in that, adding the text advertisements control information in the described EPG system is: add identifier in the described network information table of the Program Specific Information in the EPG system, be used for controlling the demonstration of text advertisements in program.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102065326A (en) * | 2010-11-05 | 2011-05-18 | 四川长虹电器股份有限公司 | Digital television network front end advisement making system |
| CN102131123B (en) * | 2011-03-16 | 2013-07-31 | 北京央视公众资讯有限公司 | Advertising system based on digital television electronic program guide and transmission method |
| CN102223568B (en) * | 2011-06-03 | 2013-09-04 | 深圳创维数字技术股份有限公司 | System and method for playing advertisement |
| CN103618932B (en) * | 2013-11-21 | 2018-02-16 | 深圳Tcl新技术有限公司 | Show the method and system of operator's advertisement |
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