CN102780922A - Digital television channel searching method and channel searching system - Google Patents
Digital television channel searching method and channel searching system Download PDFInfo
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- CN102780922A CN102780922A CN2012102274685A CN201210227468A CN102780922A CN 102780922 A CN102780922 A CN 102780922A CN 2012102274685 A CN2012102274685 A CN 2012102274685A CN 201210227468 A CN201210227468 A CN 201210227468A CN 102780922 A CN102780922 A CN 102780922A
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Abstract
The invention provides a digital television channel searching method and a channel searching system. The method includes the steps that a digital television acquires an identity (ID) of an operator who provides signals for the digital television; a channel list request which is matched with the operator ID is generated, and the channel list request is sent to a server; and the server sends a corresponding channel table to the digital television according to the channel list request of the operator ID. The digital television sends the operator ID to the server and requests for acquiring for the channel table, the server sends the corresponding channel table to the digital television according to the operator ID sent by the digital television to achieve channel searching, and the capacity of the channel table is small and is only dozens of bits so that time required by the server for sending the channel table to the digital television is short, and namely, time for searching channels is short. Compared with technical schemes of multiple frequency channel searching and fast channel searching, the channel searching method is capable of greatly increasing channel researching speeds and improving user experience optimization.
Description
Technical field
The present invention relates to TV technology, specially refer to a kind of DTV channel search method and channel searching system.
Background technology
At present, the automatic channel search mode of DTV mainly contains two kinds, is respectively the full range point and searches platform and quick channel search.Wherein, the full range point is searched platform and is generally searched platform from low frequency to the high-frequency order, and this platform mode of searching generally needs about 20 minutes, exists to search the long shortcoming of platform required time.Quick channel search at first need carry out locking frequency point; Again through processing modes such as intermediate frequency amplification, filtrations; Obtain Program Association Table, and obtain required Program Map Table and identification code transmission package, finally nonvolatile random access memory is carried out the initialization completion and search the platform operation according to Program Association Table; This platform mode of searching approximately needs about 10 minutes, and same the existence searched the long shortcoming of platform required time.
Simultaneously, above-mentioned two kinds to search the platform mode more passive, revises or frequency when renewal is arranged when NIT (Network Information Table, network information table) has, and can not in time obtain to upgrade.
Summary of the invention
The invention provides a kind of DTV channel search method, be intended to improve the platform speed of searching.
The embodiment of the invention discloses a kind of DTV channel search method, may further comprise the steps:
DTV obtains the ID that the operator of signal is provided to it;
Generate with the channel list Intra-request Concurrency of carrier ID coupling and deliver to server;
Said server sends corresponding channel table according to the channel list request of said carrier ID to said DTV.
Preferably, in of the channel list request of said server,, said DTV also comprises step after sending corresponding channel table according to said carrier ID:
Said DTV is preserved said channel table.
Preferably, said DTV obtains to it provides the concrete steps of ID of the operator of signal content to comprise:
DTV according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; Perhaps
What DTV reception user selected provides the operator of signal to it, and obtains carrier ID.
Preferably, said server also comprised step before sending corresponding channel table to said DTV:
Said server upgrades the channel table in the said server according to the renewal request of the notice or the said DTV feedback of the said operator that signal is provided to DTV.
Preferably, the DTV channel search method also comprises:
Said server sends corresponding check information according to said carrier ID to said DTV;
Said DTV will be compared from the reference information and the said check information of operator, if consistent, then search the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform.
The embodiment of the invention also discloses a kind of channel searching system, comprise DTV and server, wherein,
Said DTV is used to obtain the ID that the operator of signal is provided to it, and the channel list Intra-request Concurrency of generation and carrier ID coupling is delivered to server;
Said server is used for the channel list request according to said carrier ID, sends corresponding channel table to said DTV.
Preferably, said DTV also is used to preserve said channel table.
Preferably, said DTV according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; What perhaps said DTV reception user selected provides the operator of signal to it, and obtains carrier ID
Preferably, said server also is used for the renewal request according to the notice of the said operator that signal is provided to DTV or said DTV feedback, upgrades the channel table in the said server.
Preferably, said server also is used for according to said carrier ID, sends corresponding check information to said DTV;
Said DTV also is used for reference information and said check information from operator are compared, if consistent, then searches the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform.
The disclosed DTV channel search method of the present invention; Send carrier ID through DTV to server, acquisition request channel table, server are accomplished to DTV according to the corresponding channel table of the carrier ID transmission that DTV sends and are searched platform; Because the capacity of channel table is little; Have only tens K, so server sends to DTV required time weak point with channel table, it is short promptly to search the platform required time.The technical scheme that the full range point is searched platform and quick channel search in the prior art relatively, channel search method of the present invention has improved greatly searches platform speed, has promoted user experience.
Description of drawings
Fig. 1 is the schematic flow sheet of first embodiment of DTV channel search method among the present invention;
Fig. 2 is the schematic flow sheet of second embodiment of DTV channel search method among the present invention;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of DTV channel search method among the present invention;
Fig. 4 is the schematic flow sheet of the 4th embodiment of DTV channel search method among the present invention;
Fig. 5 is the structured flowchart of channel searching system preferred embodiment among the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
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.
With reference to Fig. 1; Fig. 1 is the schematic flow sheet of first embodiment of DTV channel search method among the present invention, before step S11, at first DTV is connected network, and the channel search method among the present invention is that network is searched platform; The user need open network and search platform; If the priority that certainly network is searched platform in the DTV is higher than this locality when searching platform (automatic channel search and manually search platform, wherein automatic channel search comprises that the full range point searches platform and quick channel search), then need not the user and open the operation that network is searched platform.
This DTV channel search method may further comprise the steps in the present embodiment:
Step S11, DTV obtain the ID that the operator of signal is provided to it.
As everyone knows; DTV is its operator that signal content is provided also different (like Beijing song China, Guangdong wired etc.) in different cities; Some city even a plurality of operators (wired etc. as martial prowess, snake mouth are arranged in Shenzhen) are arranged, and the signal content that different operators provides is different.The signal content difference that operator provides is meant channel difference or channel parameter difference, though be placed on the different frequencies as channel is identical.Because all there is its distinctive channel table in each operator, if DTV has inserted the inconsistent operator of signal that uses with DTV, will search out incorrect channel table, so DTV need mate or select corresponding operator.
Step S12 generates with the channel list Intra-request Concurrency of carrier ID coupling and delivers to server.
According to the channel list request of the carrier ID production of obtaining among the step S11 and carrier ID coupling,, send the channel table request to server when DTV carries out network when searching platform.
Step S13, server send corresponding channel table according to the channel list request of carrier ID to DTV.
Server is set up according to the size of customer volume and the information of each operator by DTV supplier, or searches the accurate establishment of station symbol according to network, and server is through network and DITEC digital television communications.Server is mainly used in the storage of channel table, receive DTV with the carrier ID be parameter send over the channel table request time, send the channel table corresponding and give DTV with this carrier ID, accomplish the network of DTV and search platform.
When not storing the carrier ID that DTV sends in the server, DTV will obtain less than corresponding channel table, and it is unsuccessful that channel table is obtained in prompting.
DTV channel search method of the present invention; DTV is through sending carrier ID to server, and acquisition request channel table, server are accomplished to DTV according to the corresponding channel table of the carrier ID transmission that DTV sends and searched platform; Because the capacity of channel table is little; Have only tens K, so server sends to DTV required time weak point with channel table, it is short promptly to search the platform required time.The technical scheme that the full range point is searched platform and quick channel search in the prior art relatively, channel search method of the present invention has improved greatly searches platform speed, has promoted user experience.
With reference to Fig. 2, Fig. 2 is the schematic flow sheet of second embodiment of DTV channel search method among the present invention.Method among this embodiment also comprises after step S13 on the basis of first embodiment:
Step S14, DTV is preserved channel table.
Because channel table do not change in a period of time basically, all carry out network and search platform so need not to open DTV at every turn, in the present embodiment; DTV is preserved the channel table in the foregoing description step 13; On the one hand be convenient to DTV and when not being connected to network, use, though on the other hand network to search the platform required time extremely short, but to expend time in and resource; Channel table is kept in the DTV, can further reduces the time of obtaining channel table and reduce expending of resource.
In specific embodiment, DTV obtains to it provides the concrete steps of ID of the operator of signal content to comprise: DTV according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; What perhaps the DTV reception was user-selected provides the operator of signal to it, and obtains carrier ID.
When DTV has operator's identification module, can discern and the corresponding operator of the employed signal of DTV automatically according to the on-site address of DTV through operator's identification module, and obtain carrier ID.
Certainly DTV also can be selected corresponding operator based on user behavior, and as through providing user interface to select to the user, this moment, the user need know the corresponding operator name of the employed signal of DTV.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet of the 3rd embodiment of DTV channel search method among the present invention.Method among this embodiment also comprised before step S13 on the basis of first embodiment:
Step S15, server is according to the renewal request of the notice or the said DTV feedback of the said operator that signal is provided to DTV, the channel table in the update service device.
Because signal content may be revised in certain time by operator; For example increase or reduce a channel etc.; So server need be revised signal content along with operator and upgrade channel table wherein, DTV is consistent with the signal content of operator from the channel table that server obtains when guaranteeing that network is searched platform.
Server is according to the renewal request of the notice or the DTV feedback of the said operator that signal is provided to DTV, the channel table in the update service device.Particularly, when DTV provider and the common maintenance server of operator, with announcement server, and the helping service device upgraded channel table wherein when signal content was revised by operator.Server upgrades channel table according to the feedback of DTV and comprises dual mode; A kind of is the DTV that utilizes the user; When carrying out network to its DTV, the user operator's signal content is checked renewal when searching platform; If there is the modification signal content in operator, then user's DTV is given server with this feedback information, so that server upgrades in time; Another kind is that the DTV provider is provided with and moves commercial machine in the sales region of DTV; Regularly operator's signal content is checked renewal; If there is the modification signal content in operator, then commercial machine is given server with this feedback information, so that server upgrades in time.
For also corresponding renewal after the channel table renewal of DTV in server that makes the user; In specific embodiment, the present invention also comprises the step of upgrading the channel table in the DTV according to the more new situation of server mid band table automatically, when the user opens automatic renewal; Whether DTV has renewal with monitoring server mid band table; After the channel table in the server upgraded, the renewal of channel table was accomplished on the DTV backstage automatically, and the prompting channel table upgrades.Certainly the user also can close automatic renewal as required, and this moment, whether DTV did not have renewal to monitor to the channel table in the server.Whether the channel table in the perhaps real-time monitoring server has renewal; But do not upgrade channel table wherein according to the renewal of the channel table in the server automatically; But inform the user through the mode of prompting, select when to upgrade the channel table in the DTV voluntarily by the user.
When the operator that the user selects and the employed signal of DTV is not corresponding; When perhaps not having time update operator in the previous different another one operator of operator that uses of user's use and its; Select the improper incorrect technical problem of channel table obtained of causing in order to solve because of operator; In specific embodiment, the present invention also comprises the step of the channel table that obtains being carried out verification.According to carrier ID, when DTV sends corresponding channel table, also send corresponding check information to DTV at server, DTV will be compared from reference information and this check information of operator, if consistent, then search the platform success; If inconsistent, then the platform error message is searched in prompting; Wherein, Reference information comprises reference characteristic frequency and reference characteristic channel; Check information comprises calibration feature frequency and calibration feature channel; Accordingly, reference information and check information are compared and are compared for reference characteristic frequency and calibration feature frequency, perhaps compare for reference characteristic channel and calibration feature channel.
With reference to Fig. 4, Fig. 4 is the schematic flow sheet of the 4th embodiment of DTV channel search method among the present invention.This DTV channel search method may further comprise the steps among this embodiment:
Step S21, DTV obtain the ID that the operator of signal is provided to it.This step is identical with the S11 step of first embodiment, repeats no more at this.
Step S22 generates with the channel list Intra-request Concurrency of carrier ID coupling and delivers to server.This step is identical with the S12 step of first embodiment, repeats no more at this.
Step S23, server is according to the renewal request of the notice or the said DTV feedback of the said operator that signal is provided to DTV, the channel table in the update service device.This step is identical with the S15 step of the 3rd embodiment, repeats no more at this.
Step S24, server sends corresponding channel table according to the channel list request of carrier ID to DTV, and sends corresponding check information according to carrier ID to DTV.
Server sends corresponding channel table according to the channel list request of carrier ID to DTV, and is identical with the S13 step of first embodiment, repeats no more at this.
Server sends corresponding check information according to carrier ID to DTV.
Wherein, check information can be calibration feature frequency or calibration feature channel.Particularly, because NIT (Network Information Table, the network information table) difference of different operators, so check information can be the calibration feature frequency, i.e. NIT dominant frequency point verification.Because all there are some characteristic channels different regions; Be local channel, local channels such as Shenzhen satellite TV, Shenzhen amusement, city, Shenzhen are arranged like Shenzhen, and the local channel in each city be all incomplete same; So check information can be the calibration feature channel, i.e. local station verification.
Step S25, DTV will be compared from the reference information and the check information of operator, if consistent, then search the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform.
Operator sends reference information to DTV constantly; When DTV receives the check information of server transmission; Reference information and check information are compared,, show that then the operator of access is consistent with the employed signal of DTV if consistent; The channel table that DTV obtains is correct, and network is searched the platform success; If it is inconsistent; The operator and the employed signal of DTV that show access are inconsistent; Then the platform error message is searched in prompting, perhaps searches in prompting to change this locality after platform is made mistakes over to and search platform (automatic channel search and manually search platform, wherein automatic channel search comprises that the full range point searches platform and quick channel search).
When check information is the calibration feature frequency, i.e. during NIT dominant frequency point verification, the reference information from operator that DTV is accepted is the reference characteristic frequency, and promptly reference information and check information are compared and compared for reference characteristic frequency and calibration feature frequency.When check information is the calibration feature channel, i.e. during local station verification, the reference information from operator that DTV is accepted is the reference characteristic channel, and promptly reference information and check information are compared and compared for reference characteristic channel and calibration feature channel.
Step S26, DTV is preserved channel table.This step is identical with the S14 step of second embodiment, repeats no more at this.
The invention also discloses a kind of channel searching system; With reference to Fig. 5; Fig. 5 is the structured flowchart of channel searching system preferred embodiment among the present invention; This channel searching system comprises DTV 1 and server 2 in the present embodiment, and wherein: DTV 1 is used to obtain the ID that the operator of signal is provided to it, and the channel list Intra-request Concurrency of generation and carrier ID coupling is delivered to server 2; DTV 1 guarantees that DTV 1 employed signal is identical with the signal that operator provides through obtaining the ID that the operator of signal content is provided to it, and then guarantees that the follow-up channel table that obtains from server 2 is correct.DTV 1 comes the acquisition request channel table through the channel list request of sending carrier ID to server 2.
Server 2 is used for the channel list request according to carrier ID, sends corresponding channel table to DTV 1.Server 2 is mainly used in the storage of channel table, receive DTV 1 with the carrier ID be parameter send over the channel table request time, send the channel table corresponding and give DTV 1 with this carrier ID, accomplish the network of DTV 1 and search platform.Because the capacity of channel table is little, has only tens K, so server 2 sends to DTV 1 required time weak point with channel table, it is short promptly to search the platform required time.The technical scheme that the full range point is searched platform and quick channel search in the prior art relatively, channel searching system of the present invention has improved greatly searches platform speed, has promoted user experience.
In specific embodiment, DTV 1 also is used to preserve the channel table that server 2 sends.
Because channel table does not change in a period of time basically; So need not to open DTV all carries out network and searches platform at every turn; In the present embodiment, DTV 1 also is used to preserve the channel table that server 2 sends, and is convenient to DTV 1 on the one hand and when not being connected to network, uses; Though to search the platform required time extremely short for network on the other hand; But will expend time in and resource, channel table is kept in the DTV 1, can further reduce the time of obtaining channel table and reduce expending of resource.
In specific embodiment, DTV 1 according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; What perhaps DTV 1 reception was user-selected provides the operator of signal to it, and obtains carrier ID.
When DTV 1 inserts corresponding operator through automatic matching way; DTV 1 comprises operator's identification module, discerns and the corresponding operator of DTV 1 employed signal automatically according to DTV 1 on-site address through operator's identification module.
Certainly DTV also can be selected operator based on user behavior, and as through providing user interface to select to the user, this moment, the user need know the corresponding operator name of the employed signal of DTV.
In specific embodiment, server 2 also is used for the renewal request according to the notice of the said operator that signal is provided to DTV or said DTV feedback, the channel table in the update service device.
Because signal content may be revised in certain time by operator; For example increase or reduce a channel etc.; So server 2 need be revised signal content along with operator and upgrade channel table wherein, DTV 1 is consistent with the signal content of operator from the channel table that server 2 obtains when guaranteeing that network is searched platform.
Server 2 is according to the renewal request of the notice or DTV 1 feedback of the operator that signal is provided to DTV, the channel table in the update service device.Particularly, when DTV provider and the common maintenance server of operator, when signal content is revised by operator with announcement server 2, and the channel table that upgrades wherein of helping service device 2.Server 2 upgrades channel table according to the feedback of DTV 1 and comprises dual mode; A kind of is the DTV 1 that utilizes the user; When carrying out network to its DTV 1, the user operator's signal content is checked renewal when searching platform; If there is the modification signal content in operator, then user's DTV 1 is given server 2 with this feedback information, so that server 2 upgrades in time; Another kind is that the DTV provider is provided with and moves commercial machine in the sales region of DTV 1; Regularly operator's signal content is checked renewal; If there is the modification signal content in operator, then commercial machine is given server 2 with this feedback information, so that server 2 upgrades in time.
For also corresponding renewal after the channel table renewal of DTV 1 in server 2 that makes the user; DTV 1 also comprises automatic update module in the present embodiment, and update module is upgraded the channel table in the DTV 1 automatically according to the more new situation of server 2 mid band tables automatically.When the user opened automatic renewal, whether update module had renewal with monitoring server 2 mid band tables automatically, and after the channel table in the server 2 upgraded, update module was accomplished the renewal of DTV 1 mid band table automatically automatically, and the prompting channel table upgrades.Certainly the user also can close automatic renewal as required, and this moment, whether update module did not have renewal to monitor to the channel table in the server 2 automatically.Whether the channel table in the perhaps automatic real-time monitoring server 2 of update module has renewal; But do not upgrade channel table wherein according to the renewal of the channel table in the server 2 automatically; But inform the user through the mode of prompting, select when to upgrade the channel table in the DTV 1 voluntarily by the user.
When the operator that the user selects and DTV 1 employed signal is not corresponding; When perhaps not having time update operator in the previous different another one operator of operator that uses of user's use and its; Select the improper incorrect technical problem of channel table obtained of causing in order to solve because of operator; Server 2 also is used for according to carrier ID in concrete present embodiment, sends corresponding check information to DTV; DTV 1 also is used for reference information and said check information from operator are compared, if consistent, then searches the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform; Wherein, reference information comprises reference characteristic frequency and reference characteristic channel, and check information comprises calibration feature frequency and calibration feature channel.Particularly, because NIT (Network Information Table, the network information table) difference of different operators, so check information can be the calibration feature frequency, i.e. NIT dominant frequency point verification, correspondingly, reference information is the reference characteristic frequency.Because all there are some characteristic channels different regions; Be local channel, local channels such as Shenzhen satellite TV, Shenzhen amusement, city, Shenzhen are arranged like Shenzhen, and the local channel in each city be all incomplete same; So check information can be the calibration feature channel; Be the local station verification, correspondingly, reference information is the reference characteristic channel.
When check information is the calibration feature frequency, when reference information was the reference characteristic frequency, reference information and check information were compared and are compared for reference characteristic frequency and calibration feature frequency.
When check information is the calibration feature channel, when reference information was the reference characteristic channel, reference information and check information were compared and are compared for reference characteristic channel and calibration feature channel.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a DTV channel search method is characterized in that, may further comprise the steps:
DTV obtains the ID that the operator of signal is provided to it;
Generate with the channel list Intra-request Concurrency of carrier ID coupling and deliver to server;
Said server sends corresponding channel table according to the channel list request of said carrier ID to said DTV.
2. method according to claim 1 is characterized in that, in the channel list request of said server according to said carrier ID, after said DTV sends corresponding channel table, also comprises step:
Said DTV is preserved said channel table.
3. method according to claim 1 is characterized in that, said DTV obtains to it provides the concrete steps of ID of the operator of signal content to comprise:
DTV according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; Perhaps
What DTV reception user selected provides the operator of signal to it, and obtains carrier ID.
4. method according to claim 1 is characterized in that, said server also comprised step before sending corresponding channel table to said DTV:
Said server upgrades the channel table in the said server according to the renewal request of the notice or the said DTV feedback of the said operator that signal is provided to DTV.
5. according to each described method of claim 1 to 4, it is characterized in that, also comprise:
Said server sends corresponding check information according to said carrier ID to said DTV;
Said DTV will be compared from the reference information and the said check information of operator, if consistent, then search the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform.
6. a channel searching system is characterized in that, comprises DTV and server, wherein,
Said DTV is used to obtain the ID that the operator of signal is provided to it, and the channel list Intra-request Concurrency of generation and carrier ID coupling is delivered to server;
Said server is used for the channel list request according to said carrier ID, sends corresponding channel table to said DTV.
7. channel searching system according to claim 6 is characterized in that, said DTV also is used to preserve said channel table.
8. channel searching system according to claim 6 is characterized in that, said DTV according to self on-site address automatically coupling to it operator of signal is provided, and obtain carrier ID; What perhaps said DTV reception user selected provides the operator of signal to it, and obtains carrier ID.
9. channel searching system according to claim 6 is characterized in that, said server also is used for the renewal request according to the notice of the said operator that signal is provided to DTV or said DTV feedback, upgrades the channel table in the said server.
10. according to each described channel searching system of claim 6 to 9, it is characterized in that,
Said server also is used for according to said carrier ID, sends corresponding check information to said DTV;
Said DTV also is used for reference information and said check information from operator are compared, if consistent, then searches the platform success; If inconsistent, then the platform error message is searched in prompting, changes this locality over to and searches platform.
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| CN104486660A (en) * | 2014-11-26 | 2015-04-01 | 四川长虹电器股份有限公司 | Method and system for quickly searching digital-television channels and programs |
| 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 |
| CN104853232A (en) * | 2015-05-25 | 2015-08-19 | 广州视源电子科技股份有限公司 | Television channel updating method and device |
| CN105430525A (en) * | 2015-12-01 | 2016-03-23 | 深圳Tcl数字技术有限公司 | Method and system for displaying channel list |
| CN105744353A (en) * | 2016-04-14 | 2016-07-06 | 深圳Tcl数字技术有限公司 | Logical channel number analysis method and logical channel number analysis device |
| CN107295397A (en) * | 2017-06-27 | 2017-10-24 | 金华知产婺源信息技术有限公司 | A kind of channel search method and device for shortening the tuning time |
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| CN108989719A (en) * | 2018-06-29 | 2018-12-11 | 广州视源电子科技股份有限公司 | Channel search method, system, readable storage medium storing program for executing and smart television |
| WO2019028580A1 (en) * | 2017-08-07 | 2019-02-14 | 深圳市智晟达科技有限公司 | Digital television channel search method and system |
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