CN102572546A - Methods for updating program list by set top box and front end of wired digital television - Google Patents
Methods for updating program list by set top box and front end of wired digital television Download PDFInfo
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- CN102572546A CN102572546A CN2012100178236A CN201210017823A CN102572546A CN 102572546 A CN102572546 A CN 102572546A CN 2012100178236 A CN2012100178236 A CN 2012100178236A CN 201210017823 A CN201210017823 A CN 201210017823A CN 102572546 A CN102572546 A CN 102572546A
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Abstract
The invention relates to the field of set top boxes, and in particular relates to a method for updating a program list by the set top box. The set top box receives a transmission stream (TS) sent by a front end system; whether the set top boxes in all regions uniformly update the program lists is judged according to region information in peripheral service information (PSI) issued by a wired digital front end; and when only the set top boxes in partial regions are required to update the program lists, the program lists in partial regions are updated according to region numbers of the program lists to be updated in the region information. According to the updating method, a clear logic management hierarchy is involved, so that the set top boxes in different regions can update the program lists regionally, and the trouble that the set top boxes in different regions passively update the program lists is avoided.
Description
Technical field
The present invention relates to field of set-top, relate in particular to a kind of STB and upgrade method of the rendition list and the method that a kind of cable digital TV front end upgrades the rendition list (issue the rendition list).
Background technology
In recent years, the digital television techniques develop rapidly, the transmission standard of TV broadcast channel is also ripe gradually, is accompanied by extensively popularizing of digital television signal, and more and more users adopts STB to come receiving digital television signal.In digital television system, user side need use STB to receive the digital television program of being broadcast by operator.Present STB on the market; All be designed with simple the rendition list automatically updating function in the software; The version number that the NIT that promptly issues according to operator shows (network information table) changes to search for again program and upgrade the rendition list automatically; If the digital television program broadcast of operator has anything to change like this, just all user side STBs can upgrade the rendition list automatically, so that the user in time watches the digital television program after the renewal.But the limitation that this automatically updating function also exists some zones to use; Tend to cause following situation: because some regional operators tend to be provided with the operator of subordinate in several different small towns or zone; The cultural features of these small towns or regional horn of plenty one's respective area; Need in the signal that the STB front end in this small towns or zone is broadcast, add some oneself the program of managing by oneself again; Therefore just need front end to upgrade the NIT table; Thereby enter into automatic search and automatic renewal the rendition list but all can detect renewal, cause the inconvenience of passive renewal for the zone that need not upgrade the rendition list as if the STB that will cause subordinate's All Ranges behind the front end renewal NIT table.
Summary of the invention
Technical problem to be solved by this invention provides the method that a kind of STB upgrades the rendition list.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the TS stream that STB receiving front-end system sends, and carry out following steps:
Step S10 judges whether that according to the PSI information in the said TS stream the rendition list is upgraded in the STB unification of All Ranges, if, execution in step S30, otherwise execution in step S20;
Step S20 judges whether that according to the regional code of preserving in this machine this machine needs upgrade the rendition list, if execution in step S30, otherwise the end process;
Step S30, whether the version number of detecting the rendition list is identical with the version number in this machine, if difference then upgrade local program and tabulate, otherwise the end process.
In a preferred embodiment, said STB is the unified the rendition list that upgrades of STB that judges whether All Ranges according to the network information table in the said PSI information.
Second purpose of the present invention is to provide a kind of cable digital TV front end to upgrade the method for the rendition list; Comprise area information in the PSI information of said cable digital TV front end issue; Whether said area information comprises the unified information of upgrading the rendition list of STB of All Ranges; When the STB that the subregion is only arranged need upgrade the rendition list, comprise also in the said area information that needs upgrade the zone number of the rendition list.
In a preferred embodiment, said area information is included in the network information table.
In a preferred embodiment, the version number that also comprises the rendition list in the said PSI information.
The 3rd purpose of the present invention is to provide a kind of method of cable digital TV system update the rendition list; Comprise area information in the PSI information of the TS stream of cable digital TV front end issue; Whether said area information comprises the unified information of upgrading the rendition list of STB of All Ranges; When the STB that the subregion is only arranged need upgrade the rendition list, comprise also in the said area information that needs upgrade the zone number of the rendition list;
In a preferred embodiment, the TS stream that said STB receiving front-end system sends, and carry out following steps:
Step S10 judges whether that according to the area information in the said PSI information the rendition list is upgraded in the STB unification of All Ranges, if, execution in step S30, otherwise execution in step S20;
Step S20 judges whether that according to the regional code of preserving in this machine this machine needs upgrade the rendition list, if execution in step S30, otherwise the end process;
Step S30, whether the version number of detecting the rendition list is identical with the version number in this machine, if difference then upgrade local program and tabulate, otherwise the end process.
Beneficial effect of the present invention is: the TS stream that STB receiving front-end system sends; And through the area information in the PSI information of cabled digital front end issue; Judge whether unified the rendition list that upgrades of STB of All Ranges; When the STB that the subregion is only arranged need upgrade the rendition list, the zone number according to needs renewal the rendition list in the area information carried out the rendition list renewal of subregion again.This update method has logic manage level clearly, can help the STB subregion of zones of different to carry out the renewal of the rendition list, has avoided the puzzlement of the passive renewal the rendition list of zones of different STB.
Description of drawings
Accompanying drawing 1 is the method flow diagram about STB renewal the rendition list that is provided in the invention.
Accompanying drawing 2 is the TS stream architecture figure about the transmission of cable digital TV front end that is provided in the invention.
Embodiment
To combine specific embodiment and accompanying drawing that the present invention is explained further details below.
The cable digital TV system mainly is made up of the DTV of cable digital TV front end and DTV STB or built-in digital television set-top box functionality, is that example describes below with the STB.The TS that carries a plurality of TV program informations (the Transport Stream that the cable digital TV front end is issuing; MPTS) includes PSI (Program Specific Information in; Program Specific Information), so that STB correctly finds specific TV programme from some TS stream.In the present embodiment, the cable digital TV front end inserts a privately owned description about the rendition list renewal zone in the PSI of its issue information, thereby makes STB can judge whether to need to upgrade the rendition list.
Concrete, as depicted in figs. 1 and 2, the cable digital TV front end inserts an area information 20 in the network information (NIT) table 10 of the PSI of its issue information, and this area information 20 has defined control bit 21, regional code (ID) 22 and version number 23.Whether area information 20 is used to represent unified the rendition list that upgrades of STB of All Ranges.Whether control bit 21 is used to represent unified the rendition list that upgrades of STB of All Ranges.Regional code 22 comprises that needs upgrade the area information of the STB of the rendition list.Version number 23 is the version information of the rendition list of comprising in the current TS stream.When the rendition list was upgraded in the STB unification of control bit 21 expression All Rangeses, can omit regional code 22 or regional code 22 was zero.
After STB is opened, the TS stream that beginning receiving front-end system sends, and judge whether to need to upgrade the rendition list, its method of upgrading tabulation mainly may further comprise the steps:
Step S10; Judge whether unified the rendition list that upgrades of STB of All Ranges according to the PSI information in the said TS stream; If whether the version number that execution in step S30 detects the rendition list is identical with the version number in this machine, otherwise continue to carry out the judgement of next step S20;
Whether step S20 judges whether that according to the regional code of preserving in this machine this machine needs upgrade the rendition list, identical with the version number in this machine if execution in step S30 detects the version number of the rendition list, otherwise the end process;
Step S30, whether the version number of detecting the rendition list is identical with the version number in this machine, if difference then upgrade local program and tabulate, otherwise the end process.
A further step as the embodiment of the invention also comprises, after the renewal process finished, STB is clear screen voluntarily, to demonstrate the program data after upgrading.And the TS stream that sends of receiving front-end system continue to carry out the renewal once more of the rendition list, and clear screen is to show the program data after upgrading once more once more.
Understandable; In other embodiments; For realizing renewal to STB; Can also comprise the attribute informations relevant with STB such as hardware version, software version, frequency, intelligent card numbers in the PSI information of cable digital TV front end issue, STB is after the PSI information that receives the front end system issue, and the attribute information that can be directed against wherein as required upgrades judgement.
The above embodiment has only expressed several kinds of execution modes of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction of claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with appended claims.
Claims (6)
1. a STB upgrades the method for the rendition list, it is characterized in that, the TS stream that said STB receiving front-end system sends, and carry out following steps:
Step S10 judges whether that according to the PSI information in the said TS stream the rendition list is upgraded in the STB unification of All Ranges, if, execution in step S30, otherwise execution in step S20;
Step S20 judges whether that according to the regional code of preserving in this machine this machine needs upgrade the rendition list, if execution in step S30, otherwise the end process;
Step S30, whether the version number of detecting the rendition list is identical with the version number in this machine, if difference then upgrade local program and tabulate, otherwise the end process.
2. method according to claim 1 is characterized in that, said STB is the unified the rendition list that upgrades of STB that judges whether All Ranges according to the network information table in the said PSI information.
3. a cable digital TV front end upgrades the method for the rendition list; It is characterized in that; Comprise area information in the PSI information of cable digital TV front end issue; Whether said area information comprises and the unified information of upgrading the rendition list of STB of All Ranges when the STB that the subregion is only arranged need upgrade the rendition list, also to comprise the zone number of needs renewal the rendition list in the said area information.
4. method according to claim 5 is characterized in that said area information is included in the network information table.
5. method according to claim 5 is characterized in that, also comprises the version number of the rendition list in the said PSI information.
6. the method for cable digital TV system update the rendition list is characterized in that:
Comprise area information in the PSI information of the TS stream of cable digital TV front end issue; Whether said area information comprises the unified information of upgrading the rendition list of STB of All Ranges; When the STB that the subregion is only arranged need upgrade the rendition list, comprise also in the said area information that needs upgrade the zone number of the rendition list;
The TS stream that said STB receiving front-end system sends, and carry out following steps:
Step S10 judges whether that according to the area information in the said PSI information the rendition list is upgraded in the STB unification of All Ranges, if, execution in step S30, otherwise execution in step S20;
Step S20 judges whether that according to the regional code of preserving in this machine this machine needs upgrade the rendition list, if execution in step S30, otherwise the end process;
Step S30, whether the version number of detecting the rendition list is identical with the version number in this machine, if difference then upgrade local program and tabulate, otherwise the end process.
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| CN2012100178236A CN102572546A (en) | 2012-01-20 | 2012-01-20 | Methods for updating program list by set top box and front end of wired digital television |
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| CN2012100178236A CN102572546A (en) | 2012-01-20 | 2012-01-20 | Methods for updating program list by set top box and front end of wired digital television |
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Cited By (5)
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| CN102946555A (en) * | 2012-11-28 | 2013-02-27 | 康佳集团股份有限公司 | Method and system for controlling directional reception of data broadcasting business |
| CN103108221A (en) * | 2013-02-06 | 2013-05-15 | 北京佳视互动科技股份有限公司 | Broadcasting terminal and frequency point matching method and system |
| CN104038824A (en) * | 2014-05-26 | 2014-09-10 | 四川长虹电器股份有限公司 | Method for automatically establishing and updating program database during starting of digital set-top box |
| CN107948750A (en) * | 2017-12-15 | 2018-04-20 | 中广热点云科技有限公司 | Set-top box automatically updates the method and its system of the rendition list |
| CN110290429A (en) * | 2019-05-14 | 2019-09-27 | 聚好看科技股份有限公司 | A kind of column delivery method and device |
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| CN101588486A (en) * | 2009-07-09 | 2009-11-25 | 江苏省广播电视信息网络股份有限公司 | Digital television business area recognition method in a kind of one-way digital television broadcasting network |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102946555A (en) * | 2012-11-28 | 2013-02-27 | 康佳集团股份有限公司 | Method and system for controlling directional reception of data broadcasting business |
| CN102946555B (en) * | 2012-11-28 | 2019-01-29 | 康佳集团股份有限公司 | A kind of control method and system of directional reception data broadcast service |
| CN103108221A (en) * | 2013-02-06 | 2013-05-15 | 北京佳视互动科技股份有限公司 | Broadcasting terminal and frequency point matching method and system |
| CN104038824A (en) * | 2014-05-26 | 2014-09-10 | 四川长虹电器股份有限公司 | Method for automatically establishing and updating program database during starting of digital set-top box |
| CN107948750A (en) * | 2017-12-15 | 2018-04-20 | 中广热点云科技有限公司 | Set-top box automatically updates the method and its system of the rendition list |
| CN107948750B (en) * | 2017-12-15 | 2019-11-01 | 中广热点云科技有限公司 | Set-top box automatically updates the method and its system of the rendition list |
| CN110290429A (en) * | 2019-05-14 | 2019-09-27 | 聚好看科技股份有限公司 | A kind of column delivery method and device |
| CN110290429B (en) * | 2019-05-14 | 2021-09-14 | 聚好看科技股份有限公司 | Column issuing method and device |
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Application publication date: 20120711 |