CN103108145A - Method and device for automatically identifying type of channel table signal line - Google Patents
Method and device for automatically identifying type of channel table signal line Download PDFInfo
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Abstract
The invention provides a method and a device for automatically identifying the type of a channel table signal line. The method includes the following steps: executing channel searching operation on channels in a single channel table, wherein the single channel table is a relative complementary set, in regard to an antenna channel table, of a wired channel table or a relative complementary set, in regard to the wired channel table, of the antenna channel table; and according to the result of the channel searching operation, judging the type of a current access channel table signal line. The method and the device spare manual discrimination of the type of a channel table signal line, eliminate the problem of program searching incapability caused by the situation that a correct channel table type is not selected according to the type of an access channel table signal line, achieve the purposes of automatically identifying the type of a channel table signal line and correctly matching a channel table, facilitate the following channel searching and selecting operation of a user, and greatly promote experience of the user.
Description
Technical field
The present invention relates to technical field of television sets, specially refer to a kind of method and device of automatic channel-identification table holding wire type.
Background technology
Television set in areas such as north and south U.S., Taiwan, Japan and Latin Americas all comes tuning by channel table.A common television set has two cover channel tables, is respectively cable channel table (cable) and antenna channel table (Antenna), no matter adopts which kind of channel table, all is linked into television set by cable.As need to watch the program under the cable channel table as the user time, need will be corresponding with the cable channel table cable channel table holding wire be connected to television set, then carry out channel search according to the cable channel table; When the user need to watch program under the antenna channel table, need will be corresponding with the antenna channel table antenna channel table holding wire be connected to television set, then carry out channel search according to the antenna channel table.If during tuning, the type of the channel table of foundation and holding wire type are not corresponding, search for less than correct program or only can search the cable channel table and the corresponding program of channel that the antenna channel table all has.
Yet in operating process, usually type that can't selecting properly current channel table does not cause searching for the program less than correct to the user because knowing the type of the channel table holding wire that accesses; Perhaps forget and select the channel table type and cause only searching the corresponding program of channel that cable channel table and antenna channel table all have, bring a lot of inconveniences to the user.
Summary of the invention
Main purpose of the present invention has been to provide a kind of method of automatic channel-identification table, is intended to solve the problem that can't search correct program that causes because of non-selected correct channel table type.
The embodiment of the invention discloses a kind of method of automatic channel-identification table holding wire type, comprise the following steps:
Channel in the single channel table is carried out the tuning operation, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table;
According to the result of described tuning operation, the channel table holding wire type of the current access of judgement.
Preferably, described single channel table is that the cable channel table is about the relative complement set of antenna channel table, if the result of described tuning operation has programme signal at least one channel in this single channel table, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire;
Perhaps, described single channel table is that the antenna channel table is about the relative complement set of cable channel table, if the result of described tuning operation has programme signal at least one channel in this single channel table, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
Preferably, described single channel table is that the cable channel table is about the relative complement set of antenna channel table, if the result of described tuning operation reaches preset value for the channel quantity that has programme signal in this single channel table, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire;
Perhaps, described single channel table is that the antenna channel table is about the relative complement set of cable channel table, if the result of described tuning operation reaches preset value for the channel quantity that has programme signal in this single channel table, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
Preferably, further comprising the steps of before the channel in the single channel table is carried out the tuning operation:
Channel in contrast cable channel table and the channel in the antenna channel table form difference channel group;
Generate the single channel table according to described difference channel group;
Store described single channel table.
The embodiment of the invention also discloses a kind of device of automatic channel-identification table holding wire type, comprising:
The first tuning module is used for the channel of single channel table is carried out the tuning operation, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table;
The first channel table holding wire type block is used for the result according to described the first tuning module output, the channel table holding wire type of the current access of judgement, and output judged result.
Preferably, the device of channel-identification table holding wire type also comprises automatically:
The first channel table contrast module is used for the channel of contrast cable channel table and the channel in the antenna channel table, forms difference channel group;
The first single channel table generates module, is used for generating the single channel table according to described difference channel group;
The first memory module is used for storing described single channel table.
The embodiment of the invention also discloses a kind of television set, comprise the device of automatic channel-identification table holding wire type, the device of described automatic channel-identification table holding wire type comprises:
The first tuning module is used for the channel of single channel table is carried out the tuning operation, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table;
The first channel table holding wire type block is used for the result according to described the first tuning module output, the channel table holding wire type of the current access of judgement, and output judged result.
The embodiment of the invention also discloses a kind of method of automatic channel-identification table holding wire type, comprise the following steps:
Alternately the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table are carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist, wherein N, M are natural number; Each single channel sublist comprises several channels;
If at least one channel that searches in described the first single channel sublist has programme signal, the channel table holding wire type that judges current access is cable channel table holding wire;
If at least one channel that searches in described the second single channel sublist has programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire.
Preferably, before the step that replaces the first single channel sublist in the first single channel table and the operation of the execution of the channel in the second single channel sublist in the second single channel table tuning, further comprising the steps of:
Channel in contrast cable channel table and the channel in the antenna channel table form the difference channel group that this two channel table is different from another channel table separately;
Generate the first single channel table according to the difference channel group of cable channel table, according to the difference channel group generation second single channel table of antenna channel table;
Store the first single channel table and described the second single channel table;
Described the first single channel table is split into N the first single channel sublist, described the second single channel table is split into M the second single channel sublist;
Store each described first single channel sublist and described the second single channel sublist.
The embodiment of the invention also discloses a kind of device of automatic channel-identification table holding wire type, comprising:
The second tuning module is used for alternately the first single channel sublist and the channel in the second single channel sublist in the second single channel table of the first single channel table being carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist;
The second channel table holding wire type block is used for belonging to described the first single channel sublist or described the second single channel sublist according to the channel that searches programme signal, the channel table holding wire type of the current access of judgement, and output judged result; Belong to described the first single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is cable channel table holding wire; Belong to described the second single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire;
Wherein, N, M are natural number.
Preferably, the device of described automatic channel-identification table holding wire type also comprises:
The second channel table contrast module is used for the channel of contrast cable channel table and the channel in the antenna channel table, forms the difference channel group that this two channel table is different from another channel table separately;
The second single channel table generates module, is used for generating the first single channel table according to the difference channel group of cable channel table, according to the difference channel group generation second single channel table of antenna channel table;
The single channel table splits module, is used for described the first single channel table is split into N the first single channel sublist, and described the second single channel table is split into M the second single channel sublist;
The second memory module is used for storing described the first single channel table and each described the first single channel sublist thereof, and stores described the second single channel table and each described the second single channel sublist thereof.
The embodiment of the invention also discloses a kind of television set, comprise the device of automatic channel-identification table holding wire type, the device of described automatic channel-identification table holding wire type comprises:
The second tuning module is used for alternately the first single channel sublist and the channel in the second single channel sublist in the second single channel table of the first single channel table being carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist;
The second channel table holding wire type block is used for belonging to described the first single channel sublist or described the second single channel sublist according to the channel that searches programme signal, the channel table holding wire type of the current access of judgement, and output judged result; Belong to described the first single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is cable channel table holding wire; Belong to described the second single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire;
Wherein, N, M are natural number.
the invention discloses a kind of method of automatic channel-identification table holding wire type, by the channel in the single channel table being carried out the tuning operation, wherein said single channel table is the cable channel table about the relative complement set of antenna channel table or is the relative complement set of antenna channel table about the cable channel table, then the result that operates according to tuning, judge the channel table holding wire type of current access, removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the follow-up tuning of carrying out of user, the operation of channel selection, greatly improved user's experience sense.
Description of drawings
Fig. 1 is the flow chart of method first embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 2 is the flow chart of method second embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 3 is the structured flowchart of device first embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 4 is the structured flowchart of device second embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 5 is the flow chart of method the 3rd embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 6 is the flow chart of method the 4th embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 7 is the structured flowchart of device the 3rd embodiment of the automatic channel-identification table of the present invention holding wire type;
Fig. 8 is the structured flowchart of device the 4th embodiment of the automatic channel-identification table of the present invention holding wire type.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention discloses a kind of method of automatic channel-identification table holding wire type, with reference to Fig. 1, Fig. 1 is the flow chart of method first embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the method for the automatic channel-identification table of the present invention holding wire type comprises the following steps:
S01 carries out the tuning operation to the channel in the single channel table, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table.
Before carrying out tuning according to antenna channel table or limited channel table, need first identify the channel table holding wire type of current access, and then according to the correct channel table of channel table holding wire type matching that accesses, just can search the target program.
The method of the automatic channel-identification table of the present invention holding wire type there are differences this attribute according to the channel in the channel in the cable channel table and antenna channel table, channel table holding wire type to current access is identified automatically, in order to mate correct channel table according to the result of identification.Particularly, can generate in advance a single channel table in the present embodiment.Consider that the partial channel in the cable channel table may be identical with the partial channel in the antenna channel table, therefore in the present embodiment, (it is exclusive that namely the channel in this single channel table is in the antenna channel table institute each channel except those channels identical with channel in the cable channel table in the antenna channel table can be formed a single channel table, and there is no these channels in the cable channel table), certainly, also each channel except those channels identical with channel in the antenna channel table in the cable channel table can be formed a single channel table.Then, the channel in the single channel table is carried out the tuning operation.
S02, according to the result of tuning operation, the channel table holding wire type of the current access of judgement.
When in step S01, the channel in the single channel table being carried out the tuning operation, may search program, possibly can't search program yet, namely all channels in possibility single channel table all do not have programme signal.
(namely the channel in this single channel table is in the cable channel table exclusive about the relative complement set of antenna channel table by the cable channel table when the single channel table in step S01, and there is no these channels in the antenna channel table), and in carrying out the tuning operating process, when searching at least one channel in this single channel table and having programme signal, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire.Whether the sign that wherein searches programme signal is that the current demand signal that receives is resolved, can resolve to obtain audio and video frequency signal, if can judge that current demand signal is programme signal, judges that if not current demand signal is non-programme signal.
(namely the channel in this single channel table is in the antenna channel table exclusive about the relative complement set of cable channel table by the antenna channel table when the single channel table in step S01, and there is no these channels in the cable channel table), and in carrying out the tuning operating process, when searching at least one channel in this single channel table and having programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
Generally, according to step S01, as long as in the single channel table or at least one channel has programme signal, or all channels do not have programme signal, just can judge the channel table holding wire type of current access.but also may there be special circumstances under extreme case, for example may exist channel information standard and the universal standard of only a few channel inconsistent, cause existing two channel essence identical and be only partial channel information (frequency for example, be the frequency numbering) inconsistent situation, afterwards cause channel error in the single channel table (for example when adopting frequency to distinguish different channel and generate the single channel table, may be because standard is inconsistent, same channel occurs and adopt different frequencies in antenna channel table and cable channel table, cause system's None-identified to go out it and be same channel, perhaps different channel has adopted identical frequency in antenna channel table and cable channel table, causes system's None-identified to go out it for different channel), finally cause judging that by tuning the result of the channel table holding wire type of current access makes mistakes.
Therefore, in order to improve recognition accuracy, sequentially channels all in the single channel table is all carried out the tuning operation in step S01, whether reach preset value according to searching the channel quantity with programme signal, the channel table holding wire type of the current access of judgement.
Single channel table in step S01 is that the cable channel table is about the relative complement set of antenna channel table, and in carrying out the tuning operating process, when searching the channel quantity with programme signal and reaching preset value, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire.
Single channel table in step S01 is that the antenna channel table is about the relative complement set of cable channel table, and in carrying out the tuning operating process, when searching the channel quantity with programme signal and reaching preset value, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
In specific embodiment, the single channel table can be that burning is in memory, also can automatically generate in carrying out automatic channel-identification table holding wire type operations, the below is described the concrete steps that automatically generate the single channel table in carrying out automatic channel-identification table holding wire type operations.
With reference to Fig. 2, Fig. 2 is the flow chart of method second embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the method for the automatic channel-identification table of the present invention holding wire type comprises the following steps:
S11, the channel in contrast cable channel table and the channel in the antenna channel table form difference channel group.For example with all channels different from the antenna channel table in the cable channel table as the first difference channel group, with all channels different from the cable channel table in the antenna channel table as the second difference channel group.The method of concrete contrast can be next definite according to frequency or the frequency (numbering of fixed frequency) of channel, and according to the prompting of the present embodiment, those skilled in the art are easy to just can obtain the comparing result of two channel tables, do not give unnecessary details here.
S12 generates the single channel table according to difference channel group.The concrete method that generates can be with reference to the method for existing generation cable channel table or antenna channel table, certainly also can be based on one of them in two channel tables (cable channel table or antenna channel table), with its with another channel table in after identical channel rejects, form the first difference channel group or the second difference channel group and as the single channel table.
S13 stores described single channel table.
S14 carries out the tuning operation to the channel in the single channel table.In the present embodiment, described single channel table is equivalent to the cable channel table about the relative complement set of antenna channel table, and perhaps the antenna channel table is about the relative complement set of cable channel table.This step S14 does not repeat them here with the step S01 in above-mentioned embodiment.
S15, according to the result of tuning operation, the channel table holding wire type of the current access of judgement.This step S15 does not repeat them here with the step S02 in above-mentioned embodiment.
The cable channel table comprises 125 channels, the antenna channel table comprises 68 channels, 125 channels in the cable channel table and 68 channels in the antenna channel table are compared, filter out the some channels that are different from the channel in the antenna channel table in the cable channel table, form difference channel group and generate the single channel table, and with the single channel table storage that generates.
After 125 channels and 68 channels in the antenna channel table that can certainly be in the reference line channel table, filter out the some channels that are different from the channel in the cable channel table in the antenna channel table, and generate the single channel table, and with the single channel table storage that generates.
Channel due to the channel in the antenna channel table in the cable channel table, equally, channel in above-mentioned the second difference channel group is the channel in the first difference channel group also, therefore the channel quantity that the single channel table that generates based on the second difference channel group need to be searched for when tuning is less, all there is no programme signal as long as searched all channels, what can determine current access is cable channel table holding wire.Hence one can see that, adopts the mode that generates the single channel table based on the second difference channel group, and to a certain extent, the required judgement time is shorter, and efficient is higher.Preferably, the present embodiment adopts the mode (being the above-mentioned mode that generates the single channel table based on the second difference channel group) of the single channel table that filters out the some channels generations that are different from the cable channel table in the antenna channel table.
the invention discloses a kind of method of automatic channel-identification table holding wire type, by the channel in the single channel table being carried out the tuning operation, wherein said single channel table is the cable channel table about the relative complement set of antenna channel table or is the relative complement set of antenna channel table about the cable channel table, then the result that operates according to tuning, judge the channel table holding wire type of current access, removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the follow-up tuning of carrying out of user, the operation of channel selection, greatly improved user's experience sense.
The invention also discloses a kind of device of automatic channel-identification table holding wire type, with reference to Fig. 3, Fig. 3 is the structured flowchart of device first embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the device of the automatic channel-identification table of the present invention holding wire type comprises the first tuning module 1 and the first channel table holding wire type block 2, wherein, the first tuning module 1, be used for the channel of single channel table is carried out the tuning operation, wherein the single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table; The first channel table holding wire type block 2 is used for the result according to the first tuning module 1 output, the channel table holding wire type of the current access of judgement, and output judged result.
In specific embodiment, if the single channel table is that the cable channel table is about the relative complement set of antenna channel table, and the result of the first tuning module 1 output is that at least one channel in the single channel table is when having programme signal, the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is cable channel table holding wire, otherwise the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is antenna channel table holding wire.If the single channel table is that the antenna channel table is about the relative complement set of cable channel table, and the result of the first tuning module 1 output is that at least one channel in the single channel table is when having programme signal, the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is antenna channel table holding wire, otherwise the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is cable channel table holding wire.
In order to improve recognition accuracy, in specific embodiment, if the single channel table is that the cable channel table is about the relative complement set of antenna channel table, and the result of the first tuning module 1 output is when searching the channel quantity with programme signal and reaching preset value, the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is cable channel table holding wire, otherwise the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is antenna channel table holding wire.If the single channel table is that the antenna channel table is about the relative complement set of cable channel table, and the result of the first tuning module 1 output is when searching the channel quantity with programme signal and reaching preset value, the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is antenna channel table holding wire, otherwise the channel table holding wire type of the first channel table holding wire type block 2 current accesses of judgement is cable channel table holding wire.
In specific embodiment, the single channel table can be burning in memory, also can automatically generate in carrying out automatic channel-identification table holding wire type operations, the below is described the device of automatic generation single channel table.
With reference to Fig. 4, Fig. 4 is the structured flowchart of device second embodiment of the automatic channel-identification table of the present invention holding wire type.in the present embodiment, the device of the automatic channel-identification table of the present invention holding wire type comprises the first tuning module 1, the first channel table holding wire type block 2, the first channel table contrast module 3, the first single channel table generates module 4 and the first memory module 5, wherein, in device first embodiment of the first tuning module 1 and the first channel table holding wire type block 2 and above-mentioned automatic channel-identification table holding wire type, the first tuning module 1 is identical with the first channel table holding wire type block 2, do not repeat them here, the first channel table contrast module 3, be used for the channel of contrast cable channel table and the channel in the antenna channel table, form difference channel group, the first single channel table generates module 4, is used for generating the single channel table according to difference channel group, the first memory module 5 is used for storage single channel table.
The cable channel table comprises 125 channels, the antenna channel table comprises 68 channels, the first channel table contrast module 3 compares 125 channels in the cable channel table and 68 channels in the antenna channel table, filter out the some channels that are different from the channel in the antenna channel table in the cable channel table, as difference channel group, then the first generation module 4 generates the single channel table according to difference channel group, and by the first memory module 5, the single channel table that generates is stored.
Can certainly be 125 channels in the first channel table contrast module 3 reference line channel tables and 68 channels in the antenna channel table, filter out the some channels that are different from the channel in the cable channel table in the antenna channel table, as difference channel group, then generation module 4 generates the single channel table according to difference channel group, and by the first memory module 5, the single channel table that generates is stored.
In the present embodiment, channel in contrast cable channel table and the method for the channel in the antenna channel table, and the method that generates the single channel table, all can with reference to the corresponding description in method second embodiment of aforementioned automatic channel-identification table holding wire type, repeat no more here.
Channel due to the channel in the antenna channel table in the cable channel table, so single channel table of the first memory module 5 storages, be preferably, the first channel table contrast module 3 filters out, and is different from some channels of the channel in the cable channel table in the antenna channel table.So, to a certain extent, required judgement time of tuning is shorter, and efficient is higher.(the concrete analysis process can be with reference to the corresponding description in method second embodiment of aforementioned automatic channel-identification table holding wire type.）
the invention discloses a kind of device of automatic channel-identification table holding wire type, carry out the tuning operation by the channel in 1 pair of single channel table of the first tuning module, wherein said single channel table is the cable channel table about the relative complement set of antenna channel table or is the relative complement set of antenna channel table about the cable channel table, then the first channel table holding wire type block 2 is according to the result of tuning operation, judge the channel table holding wire type of current access, removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the follow-up tuning of carrying out of user, the operation of channel selection, greatly improved user's experience sense.
The invention also discloses a kind of device first of above-mentioned automatic channel-identification table holding wire type or television set of the second embodiment of comprising, specifically can with reference to Fig. 3 and Fig. 4, not repeat them here.the device that comprises the automatic channel-identification table holding wire type in the above-mentioned first or second embodiment due to the television set in the embodiment of the present invention, so it has all advantages of the device of the automatic channel-identification table holding wire type in above-described embodiment, as removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the user to carry out tuning, the operation of channel selection, greatly improved user's experience sense.
The invention also discloses a kind of method of automatic channel-identification table holding wire type, with reference to Fig. 5, Fig. 5 is the flow chart of method the 3rd embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the method for the automatic channel-identification table of the present invention holding wire type comprises the following steps:
S21 alternately carries out the tuning operation to the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table, until search programme signal; Wherein, the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist, wherein N, M are natural number; Each single channel sublist comprises several channels.
Before carrying out tuning according to antenna channel table or limited channel table, need first identify the channel table holding wire type of current access, and then according to the correct channel table of channel table holding wire type matching that accesses, just can search program.
The method of the automatic channel-identification table of the present invention holding wire type there are differences this attribute according to the channel in the channel in the cable channel table and antenna channel table, channel table holding wire type to current access is identified automatically, in order to mate correct channel table according to the result of identification.Partial channel in the cable channel table is identical with partial channel in the antenna channel table, each channel except those channels identical with channel in the antenna channel table in the cable channel table is formed first single channel table, and all channels in the first single channel table are split into N the first single channel sublist, each single channel sublist comprises several channels.Each channel except those channels identical with channel in the cable channel table in the antenna channel table can be formed the second single channel table, and all channels in the second single channel table are split into M the second single channel sublist, each single channel sublist comprises several channels.Then just can utilize the first single channel table and each single channel sublist of the second single channel table to replace tuning.
S22, if at least one channel that searches in the first single channel sublist has programme signal, the channel table holding wire type that judges current access is cable channel table holding wire; If at least one channel that searches in the second single channel sublist has programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire.
For example, at first to N
1Channel in individual the first single channel sublist is carried out the tuning operation, has programme signal if search for its channel, and the channel table holding wire type that judges current access is cable channel table holding wire; If can't search programme signal, continue M
1Channel in individual the second single channel sublist is carried out the tuning operation.
To M
1When the channel in individual the second single channel sublist is carried out the tuning operation, have programme signal if search its channel, the channel table holding wire type that judges current access is antenna channel table holding wire; If can't search programme signal, continue N
2Channel in individual the first single channel sublist is carried out the tuning operation.
If N
2Search less than programme signal in individual the first single channel sublist, continue M
2Channel in individual the second single channel sublist is carried out the tuning operation; If M
2Search less than programme signal in individual the second single channel sublist, continue N
3Channel in individual the first single channel sublist is carried out the tuning operation; If N
3Search less than programme signal in individual the first single channel sublist, continue M
3Channel in individual the second single channel sublist is carried out the tuning operation ... so hocket, until till searching programme signal.
In specific embodiment, the first single channel table and the second single channel table can be that burning is in memory, also can automatically generate in carrying out automatic channel-identification table holding wire type operations, the below is described the concrete steps that automatically generate the first single channel table and the second single channel table in carrying out automatic channel-identification table holding wire type operations.
With reference to Fig. 6, Fig. 6 is the flow chart of method the 4th embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the method for the automatic channel-identification table of the present invention holding wire type comprises the following steps:
S31, the channel in contrast cable channel table and the channel in the antenna channel table form the difference channel group that this two channel table is different from another channel table separately.
S32 is according to the difference channel group generation first single channel table of cable channel table, according to the difference channel group generation second single channel table of antenna channel table.
S33, storage the first single channel table and described the second single channel table.
S34 splits into N the first single channel sublist with described the first single channel table, and described the second single channel table is split into M the second single channel sublist.
S35 stores each described first single channel sublist and described the second single channel sublist.
S36 alternately carries out the tuning operation to the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table, until search programme signal.In the present embodiment, the first single channel table is equivalent to the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, and the second single channel table is equivalent to the antenna channel table about the relative complement set of cable channel table and comprises M the second single channel sublist; Wherein, N, M are natural number.This step S36 does not repeat them here with the step S21 in above-mentioned embodiment.
S37, if at least one channel that searches in the first single channel sublist has programme signal, the channel table holding wire type that judges current access is cable channel table holding wire; If at least one channel that searches in the second single channel sublist has programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire.This step S37 does not repeat them here with the step S22 in above-mentioned embodiment.
the cable channel table comprises 125 channels, the antenna channel table comprises 68 channels, 125 channels in the cable channel table and 68 channels in the antenna channel table are compared, filter out the some channels that are different from the channel in the antenna channel table in the cable channel table, form the difference channel group of wired channel table, filter out simultaneously the some channels that are different from the channel in the cable channel table in the antenna channel table, then the difference channel group that forms the antenna channel table generates the first single channel table according to the difference channel group of cable channel table, and with the first single channel table storage that generates, difference channel group according to the antenna channel table generates the second single channel table simultaneously, and with the second single channel table storage that generates, at last the first single channel table is split into N the first single channel sublist, and N the first single channel sublist stored respectively, simultaneously the second single channel table is split into M the second single channel sublist, and M the second single channel sublist stored respectively.
the invention discloses a kind of method of automatic channel-identification table holding wire type, by alternately the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table being carried out the tuning operation, until search programme signal, then belong to the first single channel sublist or the second single channel sublist according to the channel that searches programme signal, judge the channel table holding wire type of current access, removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the follow-up tuning of carrying out of user, the operation of channel selection, greatly improved user's experience sense.
In addition, the efficient of the method for the automatic channel-identification table holding wire type in relative first and second embodiment of the method for the automatic channel-identification table holding wire type in this third and fourth embodiment usually can be higher.reason is: when first, in the time of can't searching programme signal in two embodiment, usually need the channel in the single channel table is carried out the tuning operation one by one, and in basis the 3rd, in four embodiment, because tuning hockets between the first single channel sublist and the second single channel sublist, so need not as first, two embodiment carry out the tuning operation one by one to the channel in the single channel table, namely this 3rd, the method relative first of the automatic channel-identification table holding wire type in four embodiment, the efficient of the method for the automatic channel-identification table holding wire type in two embodiment usually can be higher.
The invention also discloses a kind of device of automatic channel-identification table holding wire type, with reference to Fig. 7, Fig. 7 is the structured flowchart of device the 3rd embodiment of the automatic channel-identification table of the present invention holding wire type.In the present embodiment, the device of the automatic channel-identification table of the present invention holding wire type comprises the second tuning module 6 and the second channel table holding wire type block 7, wherein, the second tuning module 6, be used for alternately the first single channel sublist and the channel in the second single channel sublist in the second single channel table of the first single channel table being carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist, N, M are natural number; The second channel table holding wire type block 7 is used for belonging to described the first single channel sublist or described the second single channel sublist according to the channel that searches programme signal, the channel table holding wire type of the current access of judgement, and output judged result; Belong to described the first single channel sublist if search the channel of programme signal, the channel table holding wire type of the current access of judgement is cable channel table holding wire; Belong to described the second single channel sublist if search the channel of programme signal, the channel table holding wire type of the current access of judgement is antenna channel table holding wire.
In specific embodiment, the first single channel table, the first single channel sublist, the second single channel table and the second single channel sublist can be that burning is in memory, also can automatically generate in carrying out automatic channel-identification table holding wire type operations, the below is described the device that automatically generates the first single channel table, the first single channel sublist, the second single channel table and the second single channel sublist in carrying out automatic channel-identification table holding wire type operations.
With reference to Fig. 8, Fig. 8 is the structured flowchart of device the 4th embodiment of the automatic channel-identification table of the present invention holding wire type.in the present embodiment, the method of the automatic channel-identification table of the present invention holding wire type comprises the second tuning module 6, the second channel table holding wire type block 7, the second channel table contrast module 8, the second single channel table generates module 9, the single channel table splits module 10 and the second memory module 11, wherein, in device first embodiment of the second tuning module 6 and the second channel table holding wire type block 7 and above-mentioned automatic channel-identification table holding wire type, the first tuning module 1 is identical with the first channel table holding wire type block 2, do not repeat them here, the second channel table contrast module 8, be used for the channel of contrast cable channel table and the channel in the antenna channel table, form the difference channel group that this two channel table is different from another channel table separately, the second single channel table generates module 9, is used for generating the first single channel table according to the difference channel group of cable channel table, according to the difference channel group generation second single channel table of antenna channel table, the single channel table splits module 10 and is used for described the first single channel table is split into N the first single channel sublist, and described the second single channel table is split into M the second single channel sublist, the second memory module 11 is used for storing described the first single channel table and each described the first single channel sublist thereof, and stores described the second single channel table and each described the second single channel sublist thereof.
The cable channel table comprises 125 channels, the antenna channel table comprises 68 channels, the second channel table contrast module 8 compares 125 channels in the cable channel table and 68 channels in the antenna channel table, filter out the some channels that are different from the channel in the antenna channel table in the cable channel table, form the difference channel group of wired channel table, filter out simultaneously the some channels that are different from the channel in the cable channel table in the antenna channel table, form the difference channel group of antenna channel table; Then the second single channel table generates module 9 according to the difference channel group generation first single channel table of cable channel table, and with the first single channel table storage that generates, difference channel group according to the antenna channel table generates the second single channel table simultaneously, and by the second memory module 11, the second single channel table that generates is stored; The second last single channel table generates module 9 the first single channel table is split into N the first single channel sublist, and N the first single channel sublist stored respectively; Simultaneously the second single channel table is split into M the second single channel sublist, and by the second memory module 11, M the second single channel sublist stored respectively.
For the ease of calling the first single channel table, the first single channel sublist, the second single channel table and the second single channel sublist, preferably, the second memory module 11 comprises the first memory cell and the second memory cell, wherein the first memory cell, be used for storing described the first single channel table and each described the first single channel sublist thereof; The second memory cell is used for storing described the second single channel table and each described the second single channel sublist thereof.
the invention discloses a kind of device of automatic channel-identification table holding wire type, alternately the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table are carried out the tuning operation by the second tuning module 6, until search programme signal frequently, then the second channel table holding wire type block 7 belongs to the first single channel sublist or the second single channel sublist according to the channel that searches programme signal, judge the channel table holding wire type of current access, removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the follow-up tuning of carrying out of user, the operation of channel selection, greatly improved user's experience sense.
In addition, the efficient of the device of the automatic channel-identification table holding wire type in relative the 5th, six embodiment of device of the automatic channel-identification table holding wire type in these the 7th, eight embodiment usually can be higher.reason is: when the 5th, when in six embodiment, the first tuning module 2 can't search programme signal, usually need the channel in the single channel table is carried out the tuning operation one by one, and in basis the 7th, in eight embodiment, hocket between the first single channel sublist and the second single channel sublist when carrying out tuning due to the second tuning module 6, so need not as the 5th, six embodiment carry out the tuning operation one by one to the channel in the single channel table, namely this 7th, the device the relative the 5th of the automatic channel-identification table holding wire type in eight embodiment, the efficient of the device of the automatic channel-identification table holding wire type in six embodiment is higher.
The invention also discloses a kind of device the 3rd of above-mentioned automatic channel-identification table holding wire type or television set of the 4th embodiment of comprising, specifically can with reference to Fig. 7 and Fig. 8, not repeat them here.the device that comprises the automatic channel-identification table holding wire type in the above-mentioned the 3rd or the 4th embodiment due to the television set in the embodiment of the present invention, so it has all advantages of the device of the automatic channel-identification table holding wire type in above-described embodiment, as removed the trouble of the channel table holding wire type of manually distinguishing access from, stopped because of not according to the problem that can't search program that causes of the correct channel table type of channel table holding wire type selecting of access, realized automatic channel-identification table holding wire type, the purpose of correct coupling channel table, facilitated the user to carry out tuning, the operation of channel selection, greatly improved user's experience sense.
The above is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (11)
1. the method for an automatic channel-identification table holding wire type, is characterized in that, comprises the following steps:
Channel in the single channel table is carried out the tuning operation, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table;
According to the result of described tuning operation, the channel table holding wire type of the current access of judgement.
2. method according to claim 1, is characterized in that,
Described single channel table is that the cable channel table is about the relative complement set of antenna channel table, if the result of described tuning operation has programme signal at least one channel in this single channel table, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire;
Perhaps, described single channel table is that the antenna channel table is about the relative complement set of cable channel table, if the result of described tuning operation has programme signal at least one channel in this single channel table, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
3. method according to claim 1, is characterized in that,
Described single channel table is that the cable channel table is about the relative complement set of antenna channel table, if the result of described tuning operation reaches preset value for the channel quantity that has programme signal in this single channel table, the channel table holding wire type that judges current access is cable channel table holding wire, otherwise judges that the channel table holding wire type of current access is antenna channel table holding wire;
Perhaps, described single channel table is that the antenna channel table is about the relative complement set of cable channel table, if the result of described tuning operation reaches preset value for the channel quantity that has programme signal in this single channel table, the channel table holding wire type that judges current access is antenna channel table holding wire, otherwise judges that the channel table holding wire type of current access is cable channel table holding wire.
4. the described method of according to claim 1 to 3 any one, is characterized in that, and is further comprising the steps of before the channel in the single channel table is carried out the tuning operation:
Channel in contrast cable channel table and the channel in the antenna channel table form difference channel group;
Generate the single channel table according to described difference channel group;
Store described single channel table.
5. the device of an automatic channel-identification table holding wire type, is characterized in that, comprising:
The first tuning module is used for the channel of single channel table is carried out the tuning operation, and wherein said single channel table is that the cable channel table is about the relative complement set of antenna channel table or be the relative complement set of antenna channel table about the cable channel table;
The first channel table holding wire type block is used for the result according to described the first tuning module output, the channel table holding wire type of the current access of judgement, and output judged result.
6. device according to claim 5, is characterized in that, also comprises:
The first channel table contrast module is used for the channel of contrast cable channel table and the channel in the antenna channel table, forms difference channel group;
The first single channel table generates module, is used for generating the single channel table according to described difference channel group;
The first memory module is used for storing described single channel table.
7. the method for an automatic channel-identification table holding wire type, is characterized in that, comprises the following steps:
Alternately the first single channel sublist in the first single channel table and the channel in the second single channel sublist in the second single channel table are carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist, wherein N, M are natural number; Each single channel sublist comprises several channels;
If at least one channel that searches in described the first single channel sublist has programme signal, the channel table holding wire type that judges current access is cable channel table holding wire;
If at least one channel that searches in described the second single channel sublist has programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire.
8. method according to claim 7, it is characterized in that, before the step that replaces the first single channel sublist in the first single channel table and the operation of the execution of the channel in the second single channel sublist in the second single channel table tuning, further comprising the steps of:
Channel in contrast cable channel table and the channel in the antenna channel table form the difference channel group that this two channel table is different from another channel table separately;
Generate the first single channel table according to the difference channel group of cable channel table, according to the difference channel group generation second single channel table of antenna channel table;
Store the first single channel table and described the second single channel table;
Described the first single channel table is split into N the first single channel sublist, described the second single channel table is split into M the second single channel sublist;
Store each described first single channel sublist and described the second single channel sublist.
9. the device of an automatic channel-identification table holding wire type, is characterized in that, comprising:
The second tuning module is used for alternately the first single channel sublist and the channel in the second single channel sublist in the second single channel table of the first single channel table being carried out the tuning operation, until search programme signal; Wherein, described the first single channel table is the cable channel table about the relative complement set of antenna channel table and comprises N the first single channel sublist, described the second single channel table for for the antenna channel table about the relative complement set of cable channel table and comprise M the second single channel sublist;
The second channel table holding wire type block is used for belonging to described the first single channel sublist or described the second single channel sublist according to the channel that searches programme signal, the channel table holding wire type of the current access of judgement, and output judged result; Belong to described the first single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is cable channel table holding wire; Belong to described the second single channel sublist if search the channel of programme signal, the channel table holding wire type that judges current access is antenna channel table holding wire;
Wherein, N, M are natural number.
10. device according to claim 9, is characterized in that, also comprises:
The second channel table contrast module is used for the channel of contrast cable channel table and the channel in the antenna channel table, forms the difference channel group that this two channel table is different from another channel table separately;
The second single channel table generates module, is used for generating the first single channel table according to the difference channel group of cable channel table, according to the difference channel group generation second single channel table of antenna channel table;
The single channel table splits module, is used for described the first single channel table is split into N the first single channel sublist, and described the second single channel table is split into M the second single channel sublist;
The second memory module is used for storing described the first single channel table and each described the first single channel sublist thereof, and stores described the second single channel table and each described the second single channel sublist thereof.
11. a television set is characterized in that, comprises the device of the described automatic channel-identification table holding wire type of any one in claim 5,6,9 and 10.
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| CN101729810A (en) * | 2008-10-17 | 2010-06-09 | 康佳集团股份有限公司 | Device and method for automatically identifying insert signal source |
| US20100165214A1 (en) * | 2008-12-29 | 2010-07-01 | General Instrument Corporation | Method and apparatus for detection of cable and off-air signals in a dual or higher tuner set-top terminal |
| CN102014253A (en) * | 2010-11-24 | 2011-04-13 | 深圳创维－Rgb电子有限公司 | Channel searching method and device and television set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729810A (en) * | 2008-10-17 | 2010-06-09 | 康佳集团股份有限公司 | Device and method for automatically identifying insert signal source |
| US20100165214A1 (en) * | 2008-12-29 | 2010-07-01 | General Instrument Corporation | Method and apparatus for detection of cable and off-air signals in a dual or higher tuner set-top terminal |
| CN102014253A (en) * | 2010-11-24 | 2011-04-13 | 深圳创维－Rgb电子有限公司 | Channel searching method and device and television set |
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