CN101753877A - Television zoom mode adjustment method and television - Google Patents
Television zoom mode adjustment method and television Download PDFInfo
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- CN101753877A CN101753877A CN200810218141A CN200810218141A CN101753877A CN 101753877 A CN101753877 A CN 101753877A CN 200810218141 A CN200810218141 A CN 200810218141A CN 200810218141 A CN200810218141 A CN 200810218141A CN 101753877 A CN101753877 A CN 101753877A
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Abstract
The invention provides a television zoom mode adjustment method and a television, being applicable to technical field of television. The method comprises: a. analyzing and judging the image format of an input signal; b. calling parameters corresponding to the zoom mode accordant with the image format of the input signal, and outputting the parameters to corresponding functional parts of the television. By using the technical scheme provided in the invention, the television can automatically adjust zoom mode according to the image format of the input signal, thus a user is freed from manually adjusting zoom mode when watching programs of different image formats, simplifying user operation and facilitating users.
Description
Technical field
The invention belongs to TV technology, relate in particular to a kind of method and television set of display scale of television mode adjustment.
Background technology
Along with the development of TV tech, television set is except TV reception, also as the carrier of family's display terminal.The external interface of television set is more and more, kind of interface is more and more, and the type of TV signal is also more and more, and the signal of various analog-and digital-modes also constantly increases, the pattern of signal pattern form is complicated day by day, is on the increase as 4:3 form, 16:9 form or the like various widescreen formats.Just be conventional television signal, the form of image is also more and more.
Corresponding different signal and picture format, 4:3 during being provided with, television set is generally arranged, 16:9, full frame three kinds of displaying ratio patterns, no matter the image pane of input signal how, after the user is provided with the displaying ratio pattern of television set according to oneself needs, television set can the enforceable displaying ratio pattern that is provided with according to the user remove display image, the displaying ratio pattern that so often causes the picture format of signal and user to be provided with is inconsistent, if the displaying ratio pattern that the user is provided with is 16:9, and the picture format of signal is 4:3, the left and right edges of television display screen will show black surround so, the displaying ratio pattern that the user is provided with is 4:3, and the picture format of signal is when being 16:9, and the last lower limb of television display screen will show black surround so.
For avoiding the generation of above-mentioned situation, existing television set is stored the various displaying ratio patterns that pre-set usually and is selected for the user in main menu, or special displaying ratio mode switch button is set on remote controller to be switched for the user, and the user can the displaying ratio pattern be set to corresponding with the picture format of input signal.
There is following shortcoming in existing method to set up: it is manual, and the signal that at every turn switches the different images form all wants the user manually to remove to adjust displaying ratio pattern, complex operation basically.
Therefore, be necessary to provide a kind of technical scheme, realize automatic, the quick switching of present TV displaying ratio pattern.
Summary of the invention
The object of the present invention is to provide a kind of method and television set of display scale of television mode adjustment, be intended to solve television set is adjusted the displaying ratio pattern automatically according to the picture format of input signal problem.
The present invention is achieved in that a kind of television set, and described television set comprises picture format analysis module, MCU and memory, wherein:
Described picture format analysis module is used for the picture format of input signal is analyzed, and analysis result is transferred to described MCU;
Described MCU is used for calling the displaying ratio pattern corresponding parameters consistent with the input signal picture format according to the analysis result of picture format analysis module transmission from described memory, and is used for described parameter is outputed to the functional part of television set correspondence;
Described memory is used for storing various displaying ratio pattern corresponding parameters.
When described input signal was digital signal, described picture format analysis module was used for analyzing according to the auxiliary data in the described input signal picture format of this input signal.
When described input signal was the PC signal, described picture format analysis module was used for calculating according to the resolution of described input signal the picture format of this input signal.
When described input signal was analog signal, described picture format analysis module was used for the capable signal and the field signal of input signal are analyzed, and judges the picture format of this input signal.
Described picture format analysis module is used for calculating effectively counting in effective line number in the described capable signal and the field signal, according to effective line number of being calculated with effectively count and calculate the picture format of this input signal.
The present invention also provides a kind of method of adjusting the display scale of television pattern, and described method comprises:
A, the picture format of input signal is analyzed, judged the picture format of described input signal;
B, call the displaying ratio pattern corresponding parameters consistent, described parameter is outputed to the functional part of television set correspondence with the picture format of described input signal.
Wherein step a specifically comprises:
A1, when described input signal is digital signal, analyze the picture format of this input signal according to the auxiliary data in the described input signal; When described input signal is the PC signal, calculate the picture format of this input signal according to the resolution of described input signal; When described input signal is analog signal, the capable signal and the field signal of this input signal are analyzed, judge the picture format of this input signal.
Described capable signal and field signal to this input signal analyzed specifically and comprised:
Calculate effectively counting in effective line number in the described capable signal and the field signal, according to effective line number of being calculated with effectively count and calculate the picture format of this input signal.
Described displaying ratio pattern comprises 4:3 pattern, 16:9 pattern and screen mode toggle.
The functional part of described television set correspondence comprises register.
The present invention overcomes the deficiencies in the prior art, and the picture format of input signal is analyzed, and calls the displaying ratio mode parameter corresponding with the input signal picture format according to analysis result and exports to television set register or other functional part.Technical scheme provided by the invention makes television set to adjust the displaying ratio pattern according to the picture format of input signal automatically, thereby make the user when watching the program of different images form, do not need manually to carry out the adjustment of displaying ratio pattern, simplified user's operation, convenient for users.
Description of drawings
Fig. 1 is the TV Principles figure that the embodiment of the invention provides;
Fig. 2 is an embodiment of the invention flow chart.
Embodiment
Technical scheme provided by the invention is: the picture format to input signal is analyzed, and calls the displaying ratio mode parameter corresponding with the input signal picture format according to analysis result and exports to television set register or other functional part.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.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.
The Principles of Television figure that the embodiment of the invention provides as shown in Figure 1, comprise various information source input port, MCU (microcontroller), picture format analysis module and memory, in addition, the television set that the embodiment of the invention provided also comprises existing television function module (figure does not show), wherein:
Information source input port is connected with the picture format analysis module, is used for receiving the signal of input;
The picture format analysis module links to each other with MCU, is used for the signal of information source input port transmission is analyzed, and judges the picture format of input signal.Specifically, if input signal is a digital signal, then the picture format analysis module can directly be judged the picture format of this input signal according to the auxiliary data in the digital signal; If input signal is the PC signal, owing to include the information of resolution in the PC signal, the picture format analysis module can be according to the ratio of resolution, draw the picture format of input signal, such as resolution is 1920*1280, so just can draw is the resolution of 16:9, and the picture format of input signal is 16:9; If input signal is an analog signal, the picture format analysis module is analyzed row, the field signal of input signal, judges the picture format of input signal.The picture format analysis module also is used for the analysis result to the input signal picture format is transferred to MCU.
When the picture format analysis module is analyzed the analog signal of input, need to analyze the effective line number in the row signal, effectively counting in the field signal, judge the picture format of input signal according to analysis result, its process is as follows: if input is the signal of 1920*1080, for black surround up and down: image begins, if 156 row are arranged, full line all is black level (low level), since 157 row, just be not full line be black level all (low level), this is that useful signal begins, and picture format analysis module record 157 these initial rows are when to during the 925th row, the full line that is 156 row again all is black level (low level), at this moment, the picture format analysis module writes down this 925 for end line, and effective line number of calculating is 768 row; For left and right sides black surround: if the starting end of delegation has one section black level, this black level (low level) supposes it is 448 points, just begun the level of effective image after 448, it is 1024 points that 448 black level (low level) again after 1470 o'clock then, picture format analysis module can calculate effectively counting of delegation this moment.The picture format that the picture format analysis module can calculate input signal according to effectively counting of effectively line number and delegation (1024/768 draw picture format be 4:3).Top example can be generalized to arbitrarily, and the image of resolution gets on: if input signal is the x*y signal, suppose that the picture of this signal has black surround up and down, left black surround has a capable, and right black surround has b capable, and last black surround has c capable, and following black surround has d capable.Capable since a+1 so is useful signal just, until the capable end of x-b, effectively line number is x-a-b, has been exactly right black surround from capable beginning of x-a-b+1.Black surround is similar with this up and down, and effectively image is capable since c+1, and to the capable end of y-d, effectively columns is y-c-d, thereby the actual format that can draw this image is (x-a-b): (y-c-d).(wherein, x, y, a, b, c, d are any natural number, a+b＜x; C+d＜y)
MCU links to each other with memory, is used for receiving the analysis result of picture format analysis module transmission, calls the displaying ratio mode parameter corresponding with picture format from memory, then these parameters is outputed to television set register or other functional part.
Memory is used for storing various displaying ratio pattern corresponding parameters, as 4:3,16:9 or displaying ratio pattern corresponding parameters such as full frame.
Embodiment of the invention flow chart specifically comprises following step as shown in Figure 2:
1, information source is switched, and new source signal is input to television set;
2, analyze the picture format of input signal, if digital signal is changeed step 3, if the PC signal changes step 4, if analog signal is changeed step 5;
3, from the auxiliary data of input signal, analyze picture format, change step 6;
4, judge the picture format of input signal according to the resolution of signal, change step 6;
5, row, the field signal of input signal are analyzed, the picture format according to analysis result judgement input signal changes step 6;
6, from memory, call the displaying ratio mode parameter corresponding, these parameters are outputed to television set register or other functional part with the input signal picture format.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a television set is characterized in that, described television set comprises picture format analysis module, MCU and memory, wherein:
Described picture format analysis module is used for the picture format of input signal is analyzed, and analysis result is transferred to described MCU;
Described MCU is used for calling the displaying ratio pattern corresponding parameters consistent with the input signal picture format according to the analysis result of picture format analysis module transmission from described memory, and is used for described parameter is outputed to the functional part of television set correspondence;
Described memory is used for storing various displaying ratio pattern corresponding parameters.
2. television set according to claim 1 is characterized in that, when described input signal was digital signal, described picture format analysis module was used for analyzing according to the auxiliary data in the described input signal picture format of this input signal.
3. television set according to claim 1 is characterized in that, when described input signal was the PC signal, described picture format analysis module was used for calculating according to the resolution of described input signal the picture format of this input signal.
4. television set according to claim 1 is characterized in that, when described input signal was analog signal, described picture format analysis module was used for the capable signal and the field signal of input signal are analyzed, and judges the picture format of this input signal.
5. television set according to claim 4, it is characterized in that, described picture format analysis module is used for calculating effectively counting in effective line number in the described capable signal and the field signal, according to effective line number of being calculated with effectively count and calculate the picture format of this input signal.
6. method of adjusting the display scale of television pattern, described method comprises:
A, the picture format of input signal is analyzed, judged the picture format of described input signal;
B, call the displaying ratio pattern corresponding parameters consistent, described parameter is outputed to the functional part of television set correspondence with the picture format of described input signal.
7. method according to claim 6 is characterized in that, wherein step a specifically comprises:
A1, when described input signal is digital signal, analyze the picture format of this input signal according to the auxiliary data in the described input signal; When described input signal is the PC signal, calculate the picture format of this input signal according to the resolution of described input signal; When described input signal is analog signal, the capable signal and the field signal of this input signal are analyzed, judge the picture format of this input signal.
8. method according to claim 7 is characterized in that, described capable signal and field signal to this input signal analyzed specifically and comprised:
Calculate effectively counting in effective line number in the described capable signal and the field signal, according to effective line number of being calculated with effectively count and calculate the picture format of this input signal.
9. method according to claim 6 is characterized in that, described displaying ratio pattern comprises 4: 3 patterns, 16: 9 patterns and screen mode toggle.
10. method according to claim 6 is characterized in that the functional part of described television set correspondence comprises register.
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| CN200810218141A CN101753877A (en) | 2008-12-09 | 2008-12-09 | Television zoom mode adjustment method and television |
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| CN200810218141A CN101753877A (en) | 2008-12-09 | 2008-12-09 | Television zoom mode adjustment method and television |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944007A (en) * | 2010-09-29 | 2011-01-12 | 广东威创视讯科技股份有限公司 | Method for automatically identifying and correcting VGA signal display |
| CN102300064A (en) * | 2011-08-30 | 2011-12-28 | 深圳创维－Rgb电子有限公司 | Method for automatically switching picture format of wide screen signaling, television and playing equipment |
| CN103024315A (en) * | 2012-12-17 | 2013-04-03 | 四川长虹电器股份有限公司 | Method for adjusting television picture size in real time according to video content |
| CN104113745A (en) * | 2013-04-17 | 2014-10-22 | 咏传电子科技（上海）有限公司 | Display device and image display method thereof |
| CN105141874A (en) * | 2015-08-24 | 2015-12-09 | 深圳Tcl数字技术有限公司 | Method and device for matching zoom schematic picture and zoom register |
| CN114051136A (en) * | 2021-11-26 | 2022-02-15 | 四川长虹电器股份有限公司 | Automatic testing method for television picture size |
-
2008
- 2008-12-09 CN CN200810218141A patent/CN101753877A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944007A (en) * | 2010-09-29 | 2011-01-12 | 广东威创视讯科技股份有限公司 | Method for automatically identifying and correcting VGA signal display |
| CN101944007B (en) * | 2010-09-29 | 2012-06-06 | 广东威创视讯科技股份有限公司 | Method for automatically identifying and correcting VGA signal display |
| CN102300064A (en) * | 2011-08-30 | 2011-12-28 | 深圳创维－Rgb电子有限公司 | Method for automatically switching picture format of wide screen signaling, television and playing equipment |
| CN103024315A (en) * | 2012-12-17 | 2013-04-03 | 四川长虹电器股份有限公司 | Method for adjusting television picture size in real time according to video content |
| CN104113745A (en) * | 2013-04-17 | 2014-10-22 | 咏传电子科技（上海）有限公司 | Display device and image display method thereof |
| US9860512B2 (en) | 2013-04-17 | 2018-01-02 | Novatek (Shanghai) Co., Ltd. | Display apparatus and image display method thereof |
| CN105141874A (en) * | 2015-08-24 | 2015-12-09 | 深圳Tcl数字技术有限公司 | Method and device for matching zoom schematic picture and zoom register |
| WO2017032119A1 (en) * | 2015-08-24 | 2017-03-02 | 深圳Tcl数字技术有限公司 | Method and apparatus for matching scaling schematic picture and scaling register |
| CN105141874B (en) * | 2015-08-24 | 2018-09-04 | 深圳Tcl数字技术有限公司 | Method and apparatus scaling signal picture and scale register mapping |
| CN114051136A (en) * | 2021-11-26 | 2022-02-15 | 四川长虹电器股份有限公司 | Automatic testing method for television picture size |
| CN114051136B (en) * | 2021-11-26 | 2024-02-23 | 四川长虹电器股份有限公司 | Automatic testing method for television picture size |
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Application publication date: 20100623 |