CN101035246B - Bidirectional service trigger method and digital TV system with the bidirectional service trigger - Google Patents
Bidirectional service trigger method and digital TV system with the bidirectional service trigger Download PDFInfo
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- CN101035246B CN101035246B CN200610056828A CN200610056828A CN101035246B CN 101035246 B CN101035246 B CN 101035246B CN 200610056828 A CN200610056828 A CN 200610056828A CN 200610056828 A CN200610056828 A CN 200610056828A CN 101035246 B CN101035246 B CN 101035246B
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Abstract
The invention discloses a digital TV content-based bidirectional service triggering method and a digital TV system having bidirectional service triggering function. And the method comprises: 1) inserting related network service information in EPG information table of wired digital TV; 2) analyzing EPG information and controlling 'wired digital TV content server' and 'wired network service management server'; 3) adding interactive service in terminal receiver. And the system comprises wired head end and multiple terminals, interconnected through wired TV net, where the wired head end comprises wired digital TV content server, wired network service management server, broadcasting channel modulator module, interactive data channel modulating and demodulating module, EPG edition module, PSI/SI server, and a wired digital TV and network service control module which implements fusion of wired digital TV and network service at the head end. And the invention improves flexibility, interactiveness and entertainment of the wired digital TV system.
Description
Technical field
The present invention relates to the cable TV network technology, particularly a kind of bidirectional service trigger method and digital television system with two-way services triggering based on digital TV contents.
Background technology
The transformation well afoot of current cable bilateral network.Cable TV after the bidirectional rebuilding exists two logical network on the net: adopt the one-way broadcasting network of DVB standard transmission Digital Television and the bi-directional data net that adopts the DOCSIS agreement to realize.Up to the present, two networks are still done things in his own way, and the contact of any way does not take place and share.Because the mutual independence of two logical network, the end user of cable network can not obtain Digital Television and and data network merge the content brought and the breakthrough of the form of expression.
If the bi-directional data net that adopts the one-way broadcasting network of DVB standard transmission Digital Television and adopt the DOCSIS agreement to realize can merge, will be to the flexibility of cable digital TV, interactively and recreational bring very big extending space, therefore press for the relevance that a kind of such technology realizes adopting the one-way broadcasting network of DVB standard transmission Digital Television and adopts the bi-directional data net that the DOCSIS agreement realizes.
Summary of the invention
The one-way digital television radio network and the bi-directional data transmission net that the objective of the invention is to overcome on the two-way wired network are separate, mutual incoherent defective provides a kind of bidirectional service trigger method and the digital television system with two-way services triggering based on digital TV contents.
In order to achieve the above object, the present invention takes following technical scheme.
A kind of bidirectional service trigger method based on digital TV contents comprises the steps:
1) in the EPG of cable digital TV information table, inserts the network of relation business information, realize cable digital TV and the fusion of Network in transport stream;
2) analyze EPG information, Digital Television and Network content are merged in control " cable digital TV content server " and " cable network service server ";
3) increase interactive service in terminal receiver, realize cable digital TV and Network fusion at user side.
In technique scheme, further, in described step 1), interactive service information is inserted the privately owned descriptor of EIT table in the DVB standard.
In technique scheme, further, in described step 1), adopt Tag value 0xA0, identify distinctive two-way services descriptor with this.
A kind of digital television system with two-way services triggering as shown in Figure 1, is connected to form by cable television network and a plurality of terminal 2 by wired head end 1; Described terminal 2 comprises that terminal receiver 21 is connected with display device 22, and described terminal receiver 21 is connected to cable television network; Described wired head end 1 comprises:
One cable digital TV content server 11;
One cable network service server 12;
One broadcast channel modulation module 13 is connected with described cable digital TV content server 11;
One interaction data Channel Modulation is connected with described cable network service server 12 with demodulation module 14;
One EPG editor module 15 is connected to a PSI/SI server 16;
Described PSI/SI server 16 is connected with described broadcast channel modulation module 13;
Described broadcast channel modulation module 13 and described interaction data Channel Modulation and demodulation module 14 are connected respectively to cable television network;
It is characterized in that, also comprise a cable digital TV and Network control module 17, this cable digital TV and Network control module 17 are connected respectively to described EPG editor module 15, cable digital TV content server 11 and cable network service server 12, realize cable digital TV and the Network fusion at head end;
In technique scheme, further, in the EPG of cable digital TV information table, insert the network of relation business information, realize cable digital TV and the fusion of Network in transport stream.
In technique scheme, further, in described terminal receiver 21, increase interactive service.
In technique scheme, further, in the EPG information table, interactive service information is inserted the privately owned descriptor of EIT table in the DVB standard.
In technique scheme, further, in the EPG information table, adopt Tag value 0xA0, identify distinctive two-way services descriptor with this.
In technique scheme, further, the trigger message of two-way services is provided by digital-TV channel.
Compared with prior art, advantage of the present invention is as follows:
1) realizes that one-way digital television radio network and bi-directional data transmit the relevance of net;
2) the present invention should respect fully the operating experience of existing TV user on the One-to-All Broadcast channel at Digital Television place.
3) the present invention observes the DVB standard in the content that the EPG information table increases, and does not have compatible problem.
Description of drawings
Fig. 1 represents the digital television system structural representation that two-way services trigger that has of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
The present invention is in the head-end system of cable TV, increases " cable digital TV and Network control module " and realizes cable digital TV and the Network fusion at head end.According to shown in Figure 1, build digital television system framework with two-way services triggering, this framework comprises following main relevant portion:
Wherein " EPG editor module 15 " generates EPG information, this information offered " cable digital TV and Network control module 17 " and " PSI/SI server 16 ";
Wherein " cable digital TV and Network control module 17 " analyzes EPG information, control " cable digital TV content server 11 " and " cable network service server 12 ", thus merge Digital Television and Network content;
Wherein the information of " cable network service server 12 " basis " cable digital TV and Network control module 17 " is specifically organized corresponding Network service;
The soul of digital TV contents control system is the editing and processing of EPG. in the One-to-All Broadcast channel at digital TV contents place, have only EPG information to be used for the play content and the time of designation number TV, it has comprised the detailed program arrangement information of Digital Television comprehensively, for One-to-All Broadcast channel plan goes out content blueprints current and many days. simultaneously, after general cable TV station carries out digital television business, corresponding EPG editing and managing system all has been installed. therefore, the present invention adopts information among the EPG as the triggering basis of two-way services.
" cable digital TV and Network control module 17 " is by mutual with " EPG editor module 15 ", analyze the EPG information of Digital Television, the fusion of organization number TV and Network content in view of the above, the cooperation of two logical network is finished in control " cable digital TV content server 11 " and " cable network service server 12 " respectively.
In the EPG of cable digital TV information table, insert the network of relation business information, realize cable digital TV and the fusion of Network in transport stream.Here, in order to realize the tight fusion on time point of two-way services and current digital TV contents, present embodiment has adopted the EIT table in the EPG information, as the two-way services foundation stone related with digital television business.
The EIT table is as shown in the table:
Both comprised the relevant content information (service_id of program in the EIT table, transport_network_id, original_network_id, event_id etc.), temporal information (the start_time that has comprised playing programs again, duration etc.), so the triggering .EIT table that present embodiment adopts it to control the two-way services relevant with digital TV contents allows to insert voluntarily user's private descriptor (descriptor), this provides fabulous interface.
In the privately owned descriptor of EIT, select one to leave user-defined Tag (0xA0) value for, identify distinctive two-way services descriptor with this.
Privately owned descriptor is as shown in the table:
In this descriptor, according to the difference of concrete business (interactive_service_type), the content of parameter that corresponding transmission is different.
In terminal receiver, analyze the transport stream relevant information, start specific interactive service, finally realize cable digital TV and Network fusion at user side.Aspect terminal, user's monitoring STB is at digital-TV channel, in case the interactive service descriptor that carries in the discovery EPG information, resolve according to relevant self information, after the series judgement is passed through, " the cable network service server 12 " of corresponding interactive program of starter motor top box and head end set up contact, and specific interactive service brings into operation.
Two kinds of application examples illustrate above-mentioned terminal receiver processing procedure below, and wherein set-top box is a terminal receiver.
1. the program related web page is used;
On the set-top box of supporting browser, can realize the triggering of program-related information webpage.For example need the program A of viewer polls to broadcast, " EPG editor module 15 " sends to content corresponding, temporal information " cable digital TV and Network control module 17 " and " PSI/SI server 16 ", " cable digital TV and Network control module 17 " notice " cable network service server 12 " is prepared the relevant contestant webpage of voting, and the EIT table that " PSI/SI server 16 " will carry the ballot info web inserts the transmission of digital television broadcasting channel.
If the set-top box of user side is being watched program A, can find the associated description of the ballot webpage in the EIT table at once, at this moment set-top box will can be browsed the additional program-related information that data network transmits of passing through by the interface prompt user, if the user selects to browse, the info web that the built-in browser of set-top box carries in showing according to EIT, connect with head end " cable network service server 12 ", show the ballot webpage on television set, the user uses a teleswitch and selects the player who oneself likes to vote.
2. the relevant chatroom of program;
Embedded with network chatroom software in set-top box, can realize watching the interchange between the TV user of same popular program. for example program B broadcasts, " EPG editor module 15 " is with content corresponding, temporal information sends to " cable digital TV and Network control module 17 " and " PSI/SI server 16 ", " cable digital TV and Network control module 17 " notice " cable network service server 12 " is set up program B chatroom, and the EIT table that " PSI/SI server 16 " will carry the chatroom address information inserts the transmission of digital television broadcasting channel.
If the set-top box of user side is being watched program B, can find the associated description of the chatroom in the EIT table at once, at this moment set-top box will have the relevant chatroom of program to enter by the interface prompt user, if the user selects to enter, the chatroom software startup that set-top box is built-in, according to the chatroom address information of carrying in the EIT table, connect with the chat room services of head end " cable network service server 12 ", on television set, open the chatroom window, the prompting user lands, begin relevant chat room services, its advantage is and the combining of digital TV contents that what enter relevant chatroom all is to have to communicate to watch the colony of hobby.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. the bidirectional service trigger method based on digital TV contents comprises the steps:
1) in the EPG information table of cable digital TV (DVB), inserts network service information, realize cable digital TV and the fusion of Network in transport stream;
2) analyze EPG information, Digital Television and Network content are merged in control " cable digital TV content server " and " cable network service server ";
3) increase interactive service in terminal receiver, realize cable digital TV and Network fusion at user side;
In described step 1), interactive service information is inserted the privately owned descriptor of EIT table in the DVB standard; Adopt Tag value 0xA0, identify the two-way services descriptor with this.
2. one kind has the digital television system that two-way services trigger, and this system is connected to form by cable television network and a plurality of terminal (2) by wired head end (1); Described terminal (2) comprises that terminal receiver (21) is connected with display device (22), and described terminal receiver (21) is connected to cable television network; Described wired head end (1) comprising: a cable digital TV content server (11); One cable network service server (12); One broadcast channel modulation module (13) is connected with described cable digital TV content server (11); One interaction data Channel Modulation is connected with described cable network service server (12) with demodulation module (14); One EPG editor module (15) is used to generate EPG information, and this information is offered cable digital TV and Network control module (17) and PSI/SI server (16); Described EPG editor module (15) is connected to a PSI/SI server (16); Described PSI/SI server (16) is connected with described broadcast channel modulation module (13); Described broadcast channel modulation module (13) and described interaction data Channel Modulation and demodulation module (14) are connected respectively to cable television network;
It is characterized in that, also comprise a cable digital TV and Network control module (17), this cable digital TV and Network control module (17) are connected respectively to described EPG editor module (15), cable digital TV content server (11) and cable network service server (12), realize cable digital TV and the Network fusion at head end;
In the EPG of cable digital TV information table, insert the network of relation business information, realize cable digital TV and the fusion of Network in transport stream;
In described terminal receiver (21), increase interactive service;
Wherein, in the EPG information table, interactive service information is inserted the privately owned descriptor of EIT table in the DVB standard; In the EPG information table, adopt Tag value 0xA0, identify distinctive two-way services descriptor with this.
3. according to the described digital television system of claim 2, it is characterized in that the trigger message of two-way services is provided by digital-TV channel with two-way services triggering.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610056828A CN101035246B (en) | 2006-03-07 | 2006-03-07 | Bidirectional service trigger method and digital TV system with the bidirectional service trigger |
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| CN200610056828A CN101035246B (en) | 2006-03-07 | 2006-03-07 | Bidirectional service trigger method and digital TV system with the bidirectional service trigger |
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| CN101035246A CN101035246A (en) | 2007-09-12 |
| CN101035246B true CN101035246B (en) | 2010-05-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442662B (en) * | 2007-11-19 | 2010-12-08 | 中兴通讯股份有限公司 | Interactive mobile television system and interactive method thereof |
| CN102883223A (en) * | 2011-07-12 | 2013-01-16 | 上海帕科软件科技有限公司 | IPTV (internet protocol television) system adopting interactive EPG (electronic program guide) distribution system |
| CN103024515A (en) * | 2012-12-10 | 2013-04-03 | 康佳集团股份有限公司 | Code stream analytical method and system capable of leading in descriptor format from outside |
| CN103702140A (en) * | 2013-12-18 | 2014-04-02 | 深圳市龙视传媒有限公司 | Channel information generating method, relevant equipment and system |
| CN104754425B (en) * | 2013-12-27 | 2018-01-16 | 北京创维海通数字技术有限公司 | A kind of transmission method of unidirectional DVB network signaling datas in bilateral network |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050172315A1 (en) * | 2004-02-03 | 2005-08-04 | Microsoft Corporation | Virtual tuner |
| CN1731839A (en) * | 2005-08-17 | 2006-02-08 | 武汉东太信息产业有限公司 | Method for realizing expansion EPG function by browser technology |
| CN1852419A (en) * | 2005-11-02 | 2006-10-25 | 华为技术有限公司 | Method for conducting alternation between inlaid apparatus and electronic performance nevigation server |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050172315A1 (en) * | 2004-02-03 | 2005-08-04 | Microsoft Corporation | Virtual tuner |
| CN1731839A (en) * | 2005-08-17 | 2006-02-08 | 武汉东太信息产业有限公司 | Method for realizing expansion EPG function by browser technology |
| CN1852419A (en) * | 2005-11-02 | 2006-10-25 | 华为技术有限公司 | Method for conducting alternation between inlaid apparatus and electronic performance nevigation server |
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