CN102368812B - Digital television and channel searching method thereof - Google Patents
Digital television and channel searching method thereof Download PDFInfo
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- CN102368812B CN102368812B CN201110302856.0A CN201110302856A CN102368812B CN 102368812 B CN102368812 B CN 102368812B CN 201110302856 A CN201110302856 A CN 201110302856A CN 102368812 B CN102368812 B CN 102368812B
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- 238000013507 mapping Methods 0.000 claims description 44
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000006855 networking Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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Abstract
The invention discloses a digital television and a channel searching method thereof. The method comprises the following steps: according to an address of location of the digital television, searching program information corresponding to the address; acquiring a data packet of the program information from a network server, wherein the program information data packet comprises one or more kinds of the following data: a network information table (NIT), a service description table (SDT), an event information table (EIT) and a TOT. By using the digital television and the channel searching method thereof, after the needed address is searched, the data packet of the program information corresponding to the address can be directly acquired from the network server. A frequency point corresponding to the needed address does not need to be searched. Through analyzing the data packet of the program information corresponding to the address acquired by the frequency point, a television program corresponding to the address can be played. Therefore, channel searching time of the digital television can be substantially shortened and a channel searching efficiency can be improved.
Description
Technical field
The present invention relates to TV technology, especially relate to a kind of Digital Television and channel search method thereof.
Background technology
At present, the station search mode of Digital Television mainly contains two kinds: one is full range point search, and generally from low frequency to high-frequency sequential search, the shortcoming of this way of search is that the tuning time is long, general needs about 20 minutes.Utilize network information table to carry out quick channel search in second.First this second way carries out locking frequency point, again by process such as intermediate frequency amplification, filtrations, obtain PAT (Program Association Table, Program Association Table) information, and PMT (Program Map Table Program Map Table) needed for being obtained by PAT and PID (Packet IDdentifier, identity code transmission package) information, finally initialization is performed to nonvolatile random access memory and complete tuning operation.The mode of this tuning approximately needs 10 minutes.
Meanwhile, the Method compare of above-mentioned two kinds of tunings is passive, when NIT (Network Information Table, network information table) has amendment or frequency to have renewal, can not obtain renewal in time.
Summary of the invention
Main purpose of the present invention is to provide a kind of Digital Television and channel search method thereof, realizes quick channel search.
The present invention proposes a kind of channel search method of Digital Television, comprises step:
The programme information corresponding with this address according to the on-site address search of Digital Television;
Obtain the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT, SDT, EIT, TOT.
Preferably, described channel search method also comprises step: read the data in described packet, carries out prefabricated to relevant prefabricated position, stores prefab data.
Preferably described channel search method also comprises:
Network map is obtained from the webserver;
Obtain address information selected in users from networks map.
Preferably, comprised before obtaining network map from the webserver:
Set up the mapping relations of each address and programme information in network map, and these mapping relations are saved in default address-programme information mapping relations table;
Describedly search the programme information corresponding with address information and be specially:
According to address-programme information mapping relations table, search the programme information corresponding with selected address.
Preferably, described channel search method also comprises:
Receive the new programme information that a certain address is corresponding, and in address-programme information mapping relations table, programme information corresponding for this address is updated to described new programme information.
The present invention separately proposes a kind of Digital Television, comprising:
Search module, for the programme information corresponding with this address according to the on-site address search of described Digital Television;
Acquisition module, for obtaining the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT, SDT, EIT, TOT.
Preferably, search described in module also for:
Obtain network map from the webserver, and obtain address information selected in users from networks map.
Preferably, described Digital Television, also comprises:
These mapping relations for setting up the mapping relations of each address and programme information in network map, and are saved in default address-programme information mapping relations table by mapping relations maintenance module;
Describedly search module, specifically also for according to address-programme information mapping relations table, search the programme information corresponding with selected address.
Preferably, described Digital Television, also comprises:
Update module, for receiving new programme information corresponding to a certain address, and in address-programme information mapping relations table, is updated to described new programme information by programme information corresponding for this address.
Preferably, module is searched, specifically for sending network map acquisition request to the webserver described in; And receive the webserver obtains request feedback network map information according to network map;
Described acquisition module, obtains request specifically for sending programme information to the webserver; And receive the webserver obtains request feedback programme information according to programme information.
Preferably, described Digital Television, also comprises:
Prefabricated block, for reading the data in described packet, carrying out prefabricated to relevant prefabricated position, storing prefab data.
Digital Television provided by the present invention and channel search method thereof, after finding required address, obtain the packet of the corresponding programme information in this address directly to the webserver; Without the need to searching frequency corresponding to required address, the packet of the corresponding programme information in described address is obtained by resolving this frequency, just can realize playing TV programme corresponding to described address, thus shorten the tuning time of Digital Television widely, improve tuning efficiency.
Accompanying drawing explanation
Fig. 1 is the channel search method flow chart of first embodiment of the invention Digital Television;
Fig. 2 is the first structural representation of second embodiment of the invention Digital Television;
Fig. 3 is the second structural representation of second embodiment of the invention Digital Television;
Fig. 4 is the 3rd structural representation of second embodiment of the invention Digital Television;
Fig. 5 is the 4th structural representation of second embodiment of the invention Digital Television.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See the channel search method flow chart that Fig. 1, Fig. 1 are first embodiment of the invention Digital Television.The channel search method of described Digital Television specifically comprises:
Step S101, the programme information corresponding with this address according to the on-site address search of Digital Television;
Step S102, obtain the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT, SDT, EIT, TOT.
Further, in the channel search method of the Digital Television of above-mentioned first embodiment, describedly after the webserver obtains the packet of described programme information, also comprise following process: read the data in described packet, carry out prefabricated to relevant prefabricated position, store prefab data.
In above-mentioned first embodiment, the mode that described Digital Television is accessed by accessing wirelessly is connected with the webserver.After Digital Television gets the packet of programme information corresponding to described address information, by carrying out prefabricated and Received signal strength line to the prefabricated position of data in described packet, the TV programme that just can realize this address is play.
Further, the channel search method of above-mentioned first embodiment Digital Television, also comprises following process: obtain network map from the webserver; Receive address information selected in users from networks map.
Further, in the channel search method of the Digital Television of above-mentioned first embodiment, described to the webserver obtain network map specifically comprise following process: to the webserver send network map obtain request; Receive the webserver obtains request feedback network map information according to network map.Describedly obtain described programme information to the webserver and specifically comprise following process: send programme information to the webserver and obtain request; Receive the webserver obtains request feedback programme information according to programme information.
Further, in the channel search method of the Digital Television of above-mentioned first embodiment, before obtaining network map from the webserver, comprise following process: the mapping relations setting up each address and programme information in network map, and these mapping relations are saved in default address-programme information mapping relations table.Wherein, search the programme information corresponding with address information described in be specially: according in address-programme information mapping relations table, search the programme information corresponding with selected address.
In above-mentioned first embodiment, each address correspondence in map is provided with programme information, by setting up the mapping relations of each address and programme information in map, and the mapping relations of foundation are remained in the address-programme information mapping relations table safeguarded in Digital Television.When carrying out tuning operation, only need know a certain address, just can obtain programme information corresponding to this address, operate convenient.
Further, in the channel search method of the Digital Television of above-mentioned first embodiment, when needing the programme information adjusting a certain address, then before obtaining map to the webserver, also comprise following process: receive the new programme information that a certain address is corresponding, and in address-programme information mapping relations table, programme information corresponding for this address is updated to described new programme information.
In above-mentioned first embodiment, if the programme information of a certain address there occurs change, user just wants to watch TV programme corresponding to this address, but the corresponding programme information in this address does not change in the address of safeguarding in Digital Television-programme information mapping relations table, if now carry out tuning operation, TV programme corresponding in programme information before this address can only be obtained.Therefore in order to TV programme corresponding in the current program information of described address can be watched, need corresponding for address described in the address of safeguarding in Digital Television-programme information mapping relations table programme information to modify.The new programme information of described address can be inputted in the mode of manual button by user.
The Digital Television channel search method that theres is provided of this first embodiment, after finding required address, obtains the packet of the corresponding programme information in this address directly to the webserver as from the foregoing; Without the need to searching frequency corresponding to required address, the packet of the corresponding programme information in described address is obtained by resolving this frequency, just can realize playing TV programme corresponding to described address, thus shorten the tuning time of Digital Television widely, improve tuning efficiency.
See the first structural representation that Fig. 2, Fig. 2 are second embodiment of the invention Digital Television.Described Digital Television 100 comprises: search module 110 and acquisition module 120.Search module 110, for the programme information corresponding with this address according to the on-site address search of described Digital Television.Acquisition module 120, for obtaining the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT (network information), SDT (Service Description Table, SDT Service Description Table), EIT (Event Information Table, Event Information Table), TOT (TOT Time Offset Table).
See the second structural representation that Fig. 3, Fig. 3 are second embodiment of the invention Digital Television.Described Digital Television 100 also comprises Prefabricated block 130.Prefabricated block 130, for reading the data in described packet, carrying out prefabricated to relevant prefabricated position, storing prefab data.
In above-mentioned second embodiment, the mode that described Digital Television 100 is accessed by accessing wirelessly is connected with the webserver.After Digital Television 100 gets the packet of programme information corresponding to described address, by carrying out prefabricated and Received signal strength to the prefabricated position of data in described packet, the TV programme that just can realize this address is play.
Further, in above-mentioned second embodiment Digital Television 100, described in search module 110, specifically also for from the webserver obtain network map; And obtain address information selected in users from networks map.
Further, in above-mentioned second embodiment Digital Television 100, described in search module 110, specifically for the webserver send network map obtain request; And receive the webserver obtains request feedback network map information according to network map.Described acquisition module 120, obtains request specifically for sending programme information to the webserver; And receive the webserver obtains request feedback programme information according to programme information.
See the 3rd structural representation that Fig. 4, Fig. 4 are second embodiment of the invention Digital Television.Described Digital Television 100 also comprises: mapping relations maintenance module 140.These mapping relations for setting up the mapping relations of each address and programme information in network map, and are saved in default address-programme information mapping relations table by described mapping relations maintenance module 140.Wherein, described in search module 110, specifically also for according to address-programme information mapping relations table, search the programme information corresponding with selected address.
In above-mentioned second embodiment, each address correspondence in map is provided with programme information, by setting up the mapping relations of each address and programme information in map, and the mapping relations of foundation are remained in the address-programme information mapping relations table safeguarded in Digital Television.When carrying out tuning operation, only need know a certain address of Digital Television 100, just can obtain the programme information corresponding with this address, operate convenient.
See the 4th structural representation that Fig. 5, Fig. 5 are second embodiment of the invention Digital Television.Described Digital Television 100 also comprises update module 150, for receiving new programme information corresponding to a certain address, and in address-programme information mapping relations table, programme information corresponding for this address is updated to described new programme information.
In above-mentioned second embodiment, if the programme information of a certain address there occurs change, user just wants to watch TV programme corresponding to this address, but the corresponding programme information in this address does not change in the address-programme information mapping relations table safeguarded in Digital Television 100, if now carry out tuning operation, TV programme corresponding before this address can only be obtained.Therefore the TV programme in order to described address can be watched current, needs corresponding for address described in the address-programme information mapping relations table safeguarded in Digital Television 100 programme information to modify.The new programme information of described address can be inputted in the mode of manual button by user.
The Digital Television 100 that theres is provided of this second embodiment, after finding required address, obtains the packet of the corresponding programme information in this address directly to the webserver as from the foregoing; Without the need to searching frequency corresponding to required address, the packet of the corresponding programme information in described address is obtained by resolving this frequency, just can realize playing TV programme corresponding to described address, thus shorten the tuning time of Digital Television widely, improve tuning efficiency.
With a concrete example, Digital Television of the present invention and channel search method thereof are described below: Digital Television and the webserver are conversed after mode that accessing wirelessly accesses is connected, first Digital Television sends network map to the webserver and obtains request, and the webserver then pushes corresponding cartographic information by networking to Digital Television according to described request; Then Digital Television obtains the address information (as Shekou, Shenzhen) selected by users from networks map, and the programme information corresponding according to selected address information searching.After finding corresponding programme information, the packet acquisition request of programme information is sent again to the webserver, the webserver then pushes described address corresponding program information data bag by networking to Digital Television according to described request, this packet comprise in some data one or more: NIT, SDT, EIT, TOT.After Digital Television gets the packet of the programme information of described address, carry out prefabricated to the prefabricated position of data in packet and connect holding wire, just can realize playing TV programme corresponding to described address, user just can select a certain TV programme according to the hobby of self and play from the TV programme of this address.
In above-described embodiment, the described address information address information that can be user be selected from the network map obtained by the mode of key-press input, or user is directly by address information that key mode inputs.Also can be outside this embodiment, as: by the positioning equipments such as GPS to Digital Television carry out real-time location the address information that obtains.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a channel search method for Digital Television, is characterized in that, comprises step:
The programme information corresponding with this address according to the on-site address search of Digital Television;
Obtain the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT, SDT, EIT, TOT;
Described channel search method also comprises:
Receive the new programme information that a certain address is corresponding, and in address-programme information mapping relations table, programme information corresponding for this address is updated to described new programme information;
The mode that described method programme information corresponding for this address being updated to described new programme information comprises manual button inputs new programme information.
2. the channel search method of Digital Television according to claim 1, is characterized in that, described channel search method also comprises:
Network map is obtained from the webserver;
Obtain address information selected in users from networks map.
3. the channel search method of Digital Television according to claim 2, is characterized in that, comprises before obtaining network map from the webserver:
Set up the mapping relations of each address and programme information in network map, and these mapping relations are saved in default address-programme information mapping relations table;
Describedly search the programme information corresponding with address information and be specially:
According to address-programme information mapping relations table, search the programme information corresponding with selected address.
4. a Digital Television, is characterized in that, comprising:
Search module, for the programme information corresponding with this address according to the on-site address search of described Digital Television;
Acquisition module, for obtaining the packet of described programme information from the webserver, described program information data handbag draw together in following data one or more: NIT, SDT, EIT, TOT;
Also comprise:
Update module, for receiving new programme information corresponding to a certain address, and in address-programme information mapping relations table, is updated to described new programme information by programme information corresponding for this address;
The mode that described method programme information corresponding for this address being updated to described new programme information comprises manual button inputs new programme information.
5. Digital Television according to claim 4, is characterized in that, described in search module also for:
Obtain network map from the webserver, and obtain address information selected in users from networks map.
6. Digital Television according to claim 5, is characterized in that, also comprises:
These mapping relations for setting up the mapping relations of each address and programme information in network map, and are saved in default address-programme information mapping relations table by mapping relations maintenance module;
Describedly search module, specifically also for according to address-programme information mapping relations table, search the programme information corresponding with selected address.
7. Digital Television according to claim 4, is characterized in that,
Describedly searching module, obtaining request specifically for sending network map to the webserver; And receive the webserver obtains request feedback network map information according to network map;
Described acquisition module, obtains request specifically for sending programme information to the webserver; And receive the webserver obtains request feedback programme information according to programme information.
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| CN201110302856.0A CN102368812B (en) | 2011-10-09 | 2011-10-09 | Digital television and channel searching method thereof |
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| CN201110302856.0A CN102368812B (en) | 2011-10-09 | 2011-10-09 | Digital television and channel searching method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486660B (en) * | 2014-11-26 | 2017-12-12 | 四川长虹电器股份有限公司 | A kind of method and system of fast search digital TV channel and program |
| CN104581373A (en) * | 2014-12-24 | 2015-04-29 | 青岛海尔软件有限公司 | Quick television channel searching method and system |
| CN104683870A (en) * | 2015-02-04 | 2015-06-03 | 四川长虹电器股份有限公司 | Digital television channel search and updating system and application method of digital television channel search and updating system |
| CN105681875A (en) * | 2015-06-08 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Television channel list updating method and device |
| CN105721930A (en) * | 2016-02-04 | 2016-06-29 | Tcl海外电子（惠州）有限公司 | Channel searching method and system based on digital signal |
| CN106375845A (en) * | 2016-09-28 | 2017-02-01 | 深圳创维数字技术有限公司 | Rapid channel searching method and system for television terminal |
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