CN101212607B - Automatic channel search method for TV set - Google Patents
Automatic channel search method for TV set Download PDFInfo
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- CN101212607B CN101212607B CN2006101325148A CN200610132514A CN101212607B CN 101212607 B CN101212607 B CN 101212607B CN 2006101325148 A CN2006101325148 A CN 2006101325148A CN 200610132514 A CN200610132514 A CN 200610132514A CN 101212607 B CN101212607 B CN 101212607B
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Abstract
The invention relates to a method for automatically searching for a channel of a TV, which is characterized by comprising the following steps: A) the channel is searched for and since a program is searched out, program information is stored and a color system and an audio system are stored as an automatic system; B) the program is played to switch to a target program; the color system is stored as the automatic system and the color system is detected and then stored; the audio system is stored as the automatic system and the audio system is detected and then stored. In the method for automatically searching for the channel of the TV provided by the invention, before the program is played, the audio system and the color system are searched and the audio system of the color system of the played program are stored instead of the search of the audio system and the color system in the process of channel searching. Therefore, time which is used for searching is averaged to a first play of each program, thus greatly shortening the time of channel searching; for the programs which are not watched, the searching for the audio system and the color system which can waste time does not need to be carried out, thus greatly saving the time.
Description
Technical field
The present invention and household appliance technical field more particularly, relate to a kind of automatic channel search method for TV set.
Background technology
Automatic channel search is one of indispensable critical function of any television set, just any television set can't not use as there being this function.Automatic channel search is as the indispensable critical function of television set, and the quality of its performance directly has influence on the acceptance level of user to this kind of television set.Existing automatic TV channel search function detects the come on TV S-SYSTEM and the sound standard of signal of this frequency after searching out a frequency, detects and continues to search next frequency again after finishing.Though this automatic channel search method can be finished the automatic channel search function and detect the S-SYSTEM and the sound standard of each frequency program, because having too much work of finishing causes the automatic channel search time longer.Therefore reduce the automatic channel search time, make the user no longer complain waiting as long in the automatic channel search, change very important.General automatic TV channel search function is after searching out a frequency, and the come on TV S-SYSTEM and the sound standard of signal of this frequency detected, and detects and continues to search next frequency again after finishing.Its flow process as shown in Figure 1.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned slow defective of platform of searching at prior art provides a kind of automatic channel search method for TV set.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of automatic channel search method for TV set, it is characterized in that, comprise the steps:
A) search platform, whenever search a program, the S-SYSTEM and the sound standard of described program are not searched for, set and preserve the information of this program, described information comprises the S-SYSTEM of programme signal is made as automatically that the sound standard is made as automatically;
B) when broadcast program, the converting into target program judges whether the S-SYSTEM of target program is made as automatically, if, detect the S-SYSTEM of target program automatically, testing result is preserved; Whether the sound standard of judging the target program is automatically, if, detect the sound standard automatically, detected result is preserved.
In automatic channel search method for TV set of the present invention, comprise the steps: in the described steps A
A1) automatic channel search;
A2) preserve program standard information, judge whether to search for next program, if execution in step A1, if not withdrawing from.
In automatic channel search method for TV set of the present invention, in steps A 1, comprise the steps:
A1.1) automatic channel search flag set;
A1.2) detect the row field synchronization, read the automatic frequency control value of intermediate frequency amplifier;
A1.3) according to the testing result of row field synchronization, the automatic frequency control value that reads, and the certain step-length increase and decrease tuner frequency of foundation are searched for program;
A1.4) search program after, detect the frequency field of programme signal.
In automatic channel search method for TV set of the present invention, in steps A 2, comprise the steps:
A2.1) set also programs stored information, S-SYSTEM and sound standard all are made as automatically, field frequency is detected field frequency;
A2.2) increase the tuner frequency;
A2.3) judge whether to exceed the frequency range that tuner is supported, if, execution in step A2.4; If not, execution in step A1;
A2.4) the automatic channel search sign resets, and withdraws from automatic channel search.
In automatic channel search method for TV set of the present invention, comprise the steps: among the described step B
B1) converting into target program switches to the tuner frequency of described target program;
B2) whether the S-SYSTEM of judging described program is automatically, if execution in step B3, if not execution in step B6;
B3) detect the S-SYSTEM of program automatically, detected result is preserved execution in step B4;
B4) whether the sound standard of judging described program is automatically, if execution in step B5, if not execution in step B7;
B5) detect the sound standard of program automatically, detected result is preserved;
B6) force to be set to other default S-SYSTEMs;
B7) force to be set to other default sound standards.
Implement automatic channel search method for TV set of the present invention, has following beneficial effect: because automatic channel search method for TV set of the present invention does not carry out the search of sound standard and S-SYSTEM in searching the process of platform, but before broadcast program, carry out the search of sound standard and S-SYSTEM and the sound standard and the S-SYSTEM of the program after playing are preserved, in like this time average of search being play to the first time of each program, shortened greatly and searched the platform time, and for those programs of not seeing, just need not lose time and carry out the search of sound standard and S-SYSTEM, save the time greatly.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the flow chart of the channel search method of prior art;
Fig. 2 be channel search method of the present invention search the platform process flow diagram;
Fig. 3, Fig. 4 are the flow charts of the concrete steps of searching the platform process of channel search method of the present invention.
Embodiment
As shown in Figure 2, be the flow chart of searching the platform process of channel search method of the present invention, the present invention searches the platform process and comprises the steps:
S1) search platform, whenever search a program, preserve programme information and S-SYSTEM and sound standard are all saved as automatically;
S2) broadcast program, the converting into target program saves as S-SYSTEM and carries out automatically that S-SYSTEM detects and with its preservation, the sound standard is saved as carry out automatically that the sound standard detects and with its preservation.
As shown in Figure 3, in step S1, comprise the steps: again
S1.1) searching platform begins to the set of automatic channel search flag bit;
S1.2) detect the row field synchronization by the buffer status in the Video Decoder then and whether lock, read automatic frequency control (English Auto Frequency Control the is called for short AFC) value of intermediate frequency amplifier again.
S1.3) according to row field synchronization testing result, the step-length increase and decrease tuner frequency that AFC value and foundation are certain is searched for programme signal.
S1.4) judgement searches a program;
S1.5) field frequency of this programme signal of continuation detection is 60Hz or 50Hz, and general TV signal has only this two kinds of field frequencies.
S1.6) then set and preserve the information of this program, these information comprise the S-SYSTEM of programme signal are made as automatically that the sound standard is made as automatically, and field frequency is made as other information such as detected field frequency.
S1.7) program of expression has been searched for and has been finished and stored associated programme information after setting up more than, increases the tuner frequency then;
S1.8) judge whether to exceed the frequency range that tuner is supported, if not, get back to step S1, if execution in step S1.9;
S1.9) the automatic channel search sign resets, and withdraws from automatic channel search.
As shown in Figure 4, in step S2, comprise the steps: again
S2.1) converting into target program switches to the tuner frequency of described program;
S2.2) whether the S-SYSTEM of judging described program is automatically, if execution in step S2.3, if not execution in step S2.6;
S2.3) detect the S-SYSTEM of program automatically, detected result is preserved execution in step S2.4;
S2.4) whether the sound standard of judging described program is automatically, if execution in step B5, if not execution in step S2.6;
S2.5) detect the sound standard of program automatically, detected result is preserved;
S2.6) force to be set to other default S-SYSTEM and sound standards.
Because automatic channel search method for TV set of the present invention does not carry out the search of sound standard and S-SYSTEM in searching the process of platform, but before broadcast program, carry out the search of sound standard and S-SYSTEM and the sound standard and the S-SYSTEM of the program after playing are preserved, in like this time average of search being play to the first time of each program, shortened the time of searching platform greatly.And for those programs of not seeing, just need not lose time and carry out the search of sound standard and S-SYSTEM, saved the time.
Claims (5)
1. an automatic channel search method for TV set is characterized in that, comprises the steps:
A) search platform, whenever search a program, the S-SYSTEM and the sound standard of described program are not searched for, set and preserve the information of this program, described information comprises the S-SYSTEM of programme signal is made as automatically that the sound standard is made as automatically;
B) when broadcast program, the converting into target program judges whether the S-SYSTEM of target program is made as automatically, if, detect the S-SYSTEM of target program automatically, testing result is preserved; Whether the sound standard of judging the target program is automatically, if, detect the sound standard automatically, detected result is preserved.
2. automatic channel search method for TV set according to claim 1 is characterized in that, comprises the steps: in the described steps A
A1) automatic channel search;
A2) preserve program standard information, judge whether to search for next program, if execution in step A1, if not withdrawing from.
3. automatic channel search method for TV set according to claim 2 is characterized in that, comprises the steps: in steps A 1
A1.1) automatic channel search flag set;
A1.2) detect the row field synchronization, read the automatic frequency control value of intermediate frequency amplifier;
A1.3) according to the testing result of row field synchronization, the automatic frequency control value that reads, and the certain step-length increase and decrease tuner frequency of foundation are searched for program;
A1.4) search program after, detect the field frequency of programme signal.
4. automatic channel search method for TV set according to claim 3 is characterized in that, comprises the steps: in steps A 2
A2.1) set also programs stored information, S-SYSTEM and sound standard all are made as automatically, field frequency is detected field frequency;
A2.2) increase the tuner frequency;
A2.3) judge whether to exceed the frequency range that tuner is supported, if, execution in step A2.4; If not, execution in step A1;
A2.4) the automatic channel search sign resets, and withdraws from automatic channel search.
5. automatic channel search method for TV set according to claim 1 is characterized in that, comprises the steps: among the described step B
B1) converting into target program switches to the tuner frequency of described target program;
B2) whether the S-SYSTEM of judging described target program is automatically, if execution in step B3, if not execution in step B6;
B3) detect the S-SYSTEM of program automatically, detected result is preserved execution in step B4;
B4) whether the sound standard of judging described target program is automatically, if execution in step B5, if not execution in step B7;
B5) detect the sound standard of program automatically, detected result is preserved, and finish;
B6) force to be set to other default S-SYSTEMs, and finish;
B7) force to be set to other default sound standards, and finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101325148A CN101212607B (en) | 2006-12-31 | 2006-12-31 | Automatic channel search method for TV set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101325148A CN101212607B (en) | 2006-12-31 | 2006-12-31 | Automatic channel search method for TV set |
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| CN101212607A CN101212607A (en) | 2008-07-02 |
| CN101212607B true CN101212607B (en) | 2011-08-10 |
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| CN2006101325148A Active CN101212607B (en) | 2006-12-31 | 2006-12-31 | Automatic channel search method for TV set |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651792B (en) * | 2008-08-13 | 2012-10-17 | 深圳Tcl新技术有限公司 | Digital television all-in-one machine and method for searching channels |
| CN101388983B (en) * | 2008-10-10 | 2010-06-09 | 深圳创维－Rgb电子有限公司 | Method for automatic recognition and switching M mode of sound |
| CN101742182B (en) * | 2009-11-27 | 2012-09-26 | 深圳创维－Rgb电子有限公司 | Identifying and setting method of television sound system |
| CN102123261B (en) * | 2010-01-11 | 2015-06-10 | 康佳集团股份有限公司 | Television as well as channel search method and system thereof |
| CN102236055B (en) * | 2010-04-30 | 2015-11-25 | 东莞华仪仪表科技有限公司 | Automatic frequency selection method |
| CN102202197A (en) * | 2011-05-25 | 2011-09-28 | 广州视源电子科技有限公司 | A kind of channel program searching method and television set |
| CN111385614B (en) * | 2018-12-29 | 2022-05-06 | 深圳Tcl数字技术有限公司 | Voice system identification method, storage medium and smart television |
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|---|---|---|---|---|
| CN1205151A (en) * | 1996-10-02 | 1999-01-13 | 索尼公司 | TV receiver, method of setting reception channel, and picture display method |
| CN1268844A (en) * | 1999-03-26 | 2000-10-04 | Lg电子株式会社 | Method and device for automatic frequency channel searching for video-frequency display device |
| CN1371213A (en) * | 2001-06-21 | 2002-09-25 | Tcl王牌电子(深圳)有限公司 | Control method for fast search of TV channel |
| CN1625240A (en) * | 2003-12-03 | 2005-06-08 | 北京中视联数字系统有限公司 | Method of quick searching program by receiving terminal of digital TV system |
-
2006
- 2006-12-31 CN CN2006101325148A patent/CN101212607B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205151A (en) * | 1996-10-02 | 1999-01-13 | 索尼公司 | TV receiver, method of setting reception channel, and picture display method |
| CN1268844A (en) * | 1999-03-26 | 2000-10-04 | Lg电子株式会社 | Method and device for automatic frequency channel searching for video-frequency display device |
| CN1371213A (en) * | 2001-06-21 | 2002-09-25 | Tcl王牌电子(深圳)有限公司 | Control method for fast search of TV channel |
| CN1625240A (en) * | 2003-12-03 | 2005-06-08 | 北京中视联数字系统有限公司 | Method of quick searching program by receiving terminal of digital TV system |
Non-Patent Citations (1)
| Title |
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| JP特开2003-284079A 2003.10.03 |
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| CN101212607A (en) | 2008-07-02 |
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