CN103002346B - Video process apparatus, television equipment and method for processing video frequency - Google Patents
Video process apparatus, television equipment and method for processing video frequency Download PDFInfo
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Abstract
The invention provides a kind of video process apparatus, television equipment and method for processing video frequency, this video process apparatus is applied to a television equipment, this television equipment also comprises: television signal receiver module, department of computer science unify display module, this video process apparatus comprises: the first video input module, for the television video frequency signal of received television signal receiver module input; Second video input module, for the computer video signal of receiving computer system input; Image processing module, television video image is obtained for carrying out process to television video frequency signal, process is carried out to computer video signal and obtains Video Image, and television video image and Video Image are superposed, obtain the overlay video image for display module display; Video Output Modules, for exporting to display module display by overlay video image.Use the present invention, television video image and Video Image can be shown simultaneously.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of video process apparatus, television equipment and method for processing video frequency.
Background technology
Existing intelligent television equipment can comprise two systems, and a kind of is traditional television system, and one is computer system.User can be as required, intelligent television equipment is switched to different patterns, when being switched to television mode, the video image that intelligent television equipment display television system exports, when being switched to computer patterns, the video image that intelligent television equipment Display control computer system exports.That is, existing intelligent television equipment is merely able at synchronization the video image that display system (television system or computer system) exports, and cannot show the video image that television system and computer system export simultaneously.
Summary of the invention
In view of this, the invention provides a kind of video process apparatus, television equipment and method for processing video frequency, television video image and Video Image can be shown simultaneously.
For solving the problem, the invention provides a kind of video process apparatus, be applied to a television equipment, described television equipment also comprises: television signal receiver module, department of computer science unify display module, described video process apparatus comprises: the first video input module, for receiving the television video frequency signal of described television signal receiver module input; Second video input module, for receiving the computer video signal of described computer system input; Image processing module, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display; Video Output Modules, for exporting to the display of described display module by described overlay video image.
Optionally, described image processing module comprises: acquisition module, for obtaining position and the dimension information of picture-in-picture window; Video superimpose module, for according to the position of described picture-in-picture window and dimension information, described television video image and described Video Image are superposed, obtain described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
Optionally, described video process apparatus also comprises: receiver module, for receiving position and the dimension information of the described picture-in-picture window that described computer system sends; Memory module, for storing position and the dimension information of described picture-in-picture window.
Optionally, described video process apparatus also comprises: open command receiver module, for receiving the unlatching control command of the described picture-in-picture window that described computer system sends; Described image processing module, also for when receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
Optionally, described video process apparatus also comprises: out code receiver module, for receiving the closing control instruction of the described picture-in-picture window that described computer system sends; Described image processing module, also for when receiving described closing control instruction, processing described computer video signal, obtaining described Video Image; Described Video Output Modules, also for described Video Image being exported to the display of described display module.
The present invention also provides a kind of television equipment, comprise: television signal receiver module, computer system, display module and video process apparatus, described video process apparatus comprises: the first video input module, for receiving the television video frequency signal of described television signal receiver module input; Second video input module, for receiving the computer video signal of described computer system input; Image processing module, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display; Video Output Modules, for exporting to the display of described display module by described overlay video image.
Optionally, described image processing module comprises: acquisition module, for obtaining position and the dimension information of picture-in-picture window; Video superimpose module, for according to the position of described picture-in-picture window and dimension information, described television video image and described Video Image are superposed, obtain described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
Optionally, described video process apparatus also comprises: receiver module, for receiving position and the dimension information of the described picture-in-picture window that described computer system sends; Memory module, for storing position and the dimension information of described picture-in-picture window.
Optionally, described video process apparatus also comprises: open command receiver module, for receiving the unlatching control command of the described picture-in-picture window that described computer system sends; Described image processing module, also for when receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
Optionally, described video process apparatus also comprises: out code receiver module, for receiving the closing control instruction of the described picture-in-picture window that described computer system sends; Described image processing module, also for when receiving described closing control instruction, processing described computer video signal, obtaining described Video Image; Described Video Output Modules, also for described Video Image being exported to the display of described display module.
The present invention also provides a kind of method for processing video frequency, be applied to a television equipment, described television equipment comprises: television signal receiver module, department of computer science unify display module, said method comprising the steps of: the television video frequency signal receiving the input of described television signal receiver module; Receive the computer video signal of described computer system input; Process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display; Described overlay video image is exported to the display of described display module.
Optionally, describedly to superpose described television video image and described Video Image, the step obtained for the overlay video image of described display module display comprises: the position and the dimension information that obtain picture-in-picture window; According to position and the dimension information of described picture-in-picture window, described television video image and described Video Image are superposed, obtains described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
Optionally, also comprise before the position of described acquisition picture-in-picture window and the step of dimension information: the position and the dimension information that receive the described picture-in-picture window that described computer system sends; Store position and the dimension information of described picture-in-picture window.
Optionally, describedly process is carried out to described television video frequency signal obtain television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, the step obtaining described overlay video image comprises: the unlatching control command receiving the described picture-in-picture window that described computer system sends; When receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
Optionally, described method for processing video frequency also comprises: the closing control instruction receiving the described picture-in-picture window that described computer system sends; When receiving described closing control instruction, described computer video signal being processed, obtaining described Video Image; Described Video Image is exported to the display of described display module.
The present invention has following beneficial effect:
Receive television video frequency signal and computer video signal to go forward side by side row relax simultaneously, obtain television video image and Video Image, television video image and Video Image are superposed, generate overlay video image and show, thus television video image and Video Image can be shown simultaneously.
Reserved picture-in-picture window interface in Video Image, television video image is presented in picture-in-picture window interface, can select as required to open or close picture-in-picture window, and the position that can change in picture-in-picture window and size, thus Video Image and television video image are organically combined, improve the experience of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the video process apparatus of the embodiment of the present invention;
Fig. 2 is the schematic diagram of the overlay video image of the embodiment of the present invention;
Fig. 3 is the structural representation of the television equipment of the embodiment of the present invention;
Fig. 4 is the structural representation of a specific implementation circuit of the television equipment of the embodiment of the present invention;
Fig. 5 is the schematic flow sheet of the method for processing video frequency of the embodiment of the present invention.
Embodiment
In the embodiment of the present invention, receive television video frequency signal and computer video signal to go forward side by side row relax simultaneously, obtain television video image and Video Image, television video image and Video Image are superposed, generate overlay video image and show, thus television video image and Video Image can be shown simultaneously.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Be illustrated in figure 1 the structural representation of the video process apparatus of the embodiment of the present invention, described video process apparatus is applied to a television equipment, and described television equipment comprises: television signal receiver module, department of computer science unify display module.This television signal receiver module can be TV tuner (Tuner), CVBS interface, YPbPr interface etc.This computer system comprises hardware platform and software platform, hardware platform generally includes processor, memory etc., software platform is the operating system run on hardware platform, application program etc., and this operating system can be Windows operating system, Android operation system or other operating system.This display module comprises: display floater and the drive circuit for driving display floater to show.
This video process apparatus comprises:
First video input module 101, for receiving the television video frequency signal of described television signal receiver module input;
Second video input module 102, for receiving the computer video signal of described computer system input;
Image processing module 103, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display; The process that this image processing module 103 pairs of television video frequency signals and computer video signal carry out comprises decoding process or noise reduction process etc.
Video Output Modules 104, for exporting to the display of described display module by described overlay video image.
In the overlay video image of the embodiment of the present invention, using Video Image as key frame, using television video image as sprite (i.e. picture-in-picture), during specific implementation, a reserved picture-in-picture window in Video Image, for showing television video image.The position of this picture-in-picture window and dimension information can send to video process apparatus by computer system, and video process apparatus, according to the position of this picture-in-picture window and dimension information, performs the superposition of Video Image and television video image.
Based on foregoing description, described image processing module 103 can also comprise:
First receiver module, for receiving position and the dimension information of the picture-in-picture window that described computer system sends;
Memory module, for storing position and the dimension information of described picture-in-picture window;
Acquisition module, for obtaining position and the dimension information of the described picture-in-picture window that described memory module stores;
Video superimpose module, for according to the position of described picture-in-picture window and dimension information, described television video image and described Video Image are superposed, obtain described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
User can adjust position and/or the size of described picture-in-picture window as required, when the position of described picture-in-picture window and/or dimension information change, position after change and/or dimension information can also be sent to described video process apparatus by described computer system, when described video process apparatus receives the position after change and/or dimension information, upgrade the information of described memory module storage with the position after change and/or dimension information.
Television equipment described in above-described embodiment, there are two kinds of display modes, one is television mode, one is computer patterns, under television mode, described television equipment only shows television video image, under computer patterns, overlay video image can be shown, also can only Display control computer video image.In the embodiment of the present invention, all think that television equipment is in computer patterns.
Once under being switched to computer patterns, described video process apparatus can be given tacit consent to and directly carries out overlap-add procedure to the television video image received and Video Image, also can after the unlatching control command receiving the picture-in-picture window that computer system sends, just overlap-add procedure is carried out to television video image and Video Image, if do not receive the unlatching control command of the picture-in-picture window that computer system sends, only Display control computer video image.
Based on foregoing description, described video process apparatus can also comprise:
Open command receiver module, for receiving the unlatching control command of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
In addition, user can also close picture-in-picture window as required, when computer system closes picture-in-picture window, the closing control instruction of picture-in-picture window can be sent to video process apparatus, after video process apparatus receives this closing control instruction, only described computer video signal is processed, obtain described Video Image, and described Video Image is exported to display module display.
Based on foregoing description, described video process apparatus can also comprise:
Out code receiver module, for receiving the closing control instruction of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described closing control instruction, processing described computer video signal, obtaining described Video Image;
Described Video Output Modules, also for described Video Image being exported to the display of described display module.
Certainly, after picture-in-picture window is closed, can also again be unlocked, now, when computer system opens picture-in-picture window, the unlatching control command of picture-in-picture window can be sent to video process apparatus, after video process apparatus receives this unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain overlay video image, and described overlay video image is exported to display module display.
Be illustrated in figure 2 a schematic diagram of the overlay video image of the embodiment of the present invention, wherein, Video Image is as key frame, television video image is shown in picture-in-picture window as sprite, in addition, also comprises video request program (VOD) window and application program (App) window in overlay video image, picture-in-picture window is positioned at centre position, be in state of activation, video request program window and application window are positioned at both sides, are in unactivated state.User can control the switching of the state of above-mentioned three windows as required, such as, can activate video request program window, and video request program window and picture-in-picture window location swap, picture-in-picture window is switched to unactivated state.In addition, computer system can send the closing control instruction of picture-in-picture window to video process apparatus, after video process apparatus receives this closing control instruction, only described computer video signal is processed, obtain described Video Image, and described Video Image is exported to display module display.
Be illustrated in figure 3 the structural representation of the television equipment of the embodiment of the present invention, described television equipment comprises: video process apparatus 100, television signal receiver module 200, computer system 300 and display module 400.This television signal receiver module 200 can be TV tuner (Tuner), CVBS interface, YPbPr interface etc.This computer system 300 comprises hardware platform and software platform, hardware platform generally includes processor, memory etc., software platform is the operating system run on hardware platform, application program etc., and this operating system can be Windows operating system, Android operation system or other operating system.This display module 400 comprises: display floater and the drive circuit for driving display floater to show.
This video process apparatus 100 comprises:
First video input module 101, for receiving the television video frequency signal of described television signal receiver module 200 input;
Second video input module 102, for receiving the computer video signal of described computer system 300 input;
Image processing module 103, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image shown for described display module 400; The process that this image processing module 103 pairs of television video frequency signals and computer video signal carry out comprises decoding process or noise reduction process etc.
Video Output Modules 104, shows for described overlay video image is exported to described display module 400.
The described structure of video process apparatus 100 is identical with operation principle with the structure of the video process apparatus in above-described embodiment, in this no longer repeated description.
Be illustrated in figure 4 the structural representation of a specific implementation circuit of the television equipment of the embodiment of the present invention, this television equipment comprises: television signal receiver module (VGA, Tuner, CVBS etc.), video process apparatus, computer system, display module (Motion estimation and compensation module (MEMC) and display floater (Panel)), wherein, the video image that motor-function evaluation module is used for video process apparatus exports carries out Motion estimation and compensation process, and sends to display floater to show the video image after process.
There are between video process apparatus and computer system three transmission lines:
Video transmission line, for being transferred to video process apparatus by the computer video signal (HDMI signal) of computer system;
Communication bus: for transmitting control command between computer system and video processing unit (position of such as picture-in-picture window and dimension information, the unlatching control command of picture-in-picture window, the closing control instruction etc. of picture-in-picture window);
GPIO control bus: for the electrifying timing sequence of computer for controlling system and video process apparatus.
Be illustrated in figure 5 the schematic flow sheet of the method for processing video frequency of the embodiment of the present invention, this Video processing side that be applied to a television equipment, described television equipment comprises: television signal receiver module, department of computer science unify display module, and the method comprises the following steps:
Step 501, the television video frequency signal of received television signal receiver module input;
Step 502, carries out process to described television video frequency signal and obtains television video image;
Step 503, the computer video signal of receiving computer system input;
Step 504, carries out process to described computer video signal and obtains Video Image;
Step 505, superposes described television video image and described Video Image, obtains the overlay video image for display module display;
Step 506, exports to the display of described display module by described overlay video image.
In the overlay video image of the embodiment of the present invention, be using Video Image as key frame, using television video image as sprite (i.e. picture-in-picture).Now, describedly to superpose described television video image and described Video Image, the step obtained for the overlay video image of described display module display comprises: the position and the dimension information that obtain picture-in-picture window; According to position and the dimension information of described picture-in-picture window, described television video image and described Video Image are superposed, obtains described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
The position of described picture-in-picture window and dimension information can be sent by computer system, now, also comprise before the position of described acquisition picture-in-picture window and the step of dimension information: the position and the dimension information that receive the described picture-in-picture window that described computer system sends; Store position and the dimension information of described picture-in-picture window.
Television equipment described in above-described embodiment, there are two kinds of display modes, one is television mode, one is computer patterns, under television mode, described television equipment only shows television video image, under computer patterns, overlay video image can be shown, also can only Display control computer video image.In the embodiment of the present invention, all think that television equipment is in computer patterns.
Once under being switched to computer patterns, can give tacit consent to and directly overlap-add procedure is carried out to the television video image received and Video Image, also can after the unlatching control command receiving the picture-in-picture window that computer system sends, just overlap-add procedure is carried out to television video image and Video Image, if do not receive the unlatching control command of the picture-in-picture window that computer system sends, only Display control computer video image.
Based on foregoing description, describedly process is carried out to described television video frequency signal obtain television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, the step obtaining described overlay video image comprises: the unlatching control command receiving the described picture-in-picture window that described computer system sends; When receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
In addition, user can also close picture-in-picture window as required, and now, said method also comprises: the closing control instruction receiving the described picture-in-picture window that described computer system sends; When receiving described closing control instruction, described computer video signal being processed, obtaining described Video Image; Described Video Image is exported to the display of described display module.
In sum, the video process apparatus of the embodiment of the present invention, television equipment and method for processing video frequency, television video frequency signal and computer video signal can be received to go forward side by side row relax simultaneously, obtain television video image and Video Image, television video image and Video Image are superposed, generate overlay video image and show, thus television video image and Video Image can be shown simultaneously.
Many functional parts described in this specification are all called as module, specifically to emphasize the independence of its implementation.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise the different instruction be stored in not coordination, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, operating data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described operating data can be collected as individual data collection, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (15)
1. a video process apparatus, is applied to a television equipment, and described television equipment also comprises: television signal receiver module, department of computer science unify display module, and it is characterized in that, described video process apparatus comprises:
First video input module, for receiving the television video frequency signal of described television signal receiver module input;
Second video input module, for receiving the computer video signal of described computer system input;
Image processing module, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display;
Video Output Modules, for exporting to the display of described display module by described overlay video image.
2. video process apparatus as claimed in claim 1, it is characterized in that, described image processing module comprises:
Acquisition module, for obtaining position and the dimension information of picture-in-picture window;
Video superimpose module, for according to the position of described picture-in-picture window and dimension information, described television video image and described Video Image are superposed, obtain described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
3. video process apparatus as claimed in claim 2, is characterized in that, also comprise:
Receiver module, for receiving position and the dimension information of the described picture-in-picture window that described computer system sends;
Memory module, for storing position and the dimension information of described picture-in-picture window.
4. video process apparatus as claimed in claim 2, is characterized in that, also comprise:
Open command receiver module, for receiving the unlatching control command of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
5. the video process apparatus as described in claim 2 or 4, is characterized in that, also comprises:
Out code receiver module, for receiving the closing control instruction of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described closing control instruction, processing described computer video signal, obtaining described Video Image;
Described Video Output Modules, also for described Video Image being exported to the display of described display module.
6. a television equipment, comprising: television signal receiver module, department of computer science unify display module, and it is characterized in that, also comprise a video process apparatus, described video process apparatus comprises:
First video input module, for receiving the television video frequency signal of described television signal receiver module input;
Second video input module, for receiving the computer video signal of described computer system input;
Image processing module, television video image is obtained for carrying out process to described television video frequency signal, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display;
Video Output Modules, for exporting to the display of described display module by described overlay video image.
7. television equipment as claimed in claim 6, it is characterized in that, described image processing module comprises:
Acquisition module, for obtaining position and the dimension information of picture-in-picture window;
Video superimpose module, for according to the position of described picture-in-picture window and dimension information, described television video image and described Video Image are superposed, obtain described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
8. television equipment as claimed in claim 7, it is characterized in that, described video process apparatus also comprises:
Receiver module, for receiving position and the dimension information of the described picture-in-picture window that described computer system sends;
Memory module, for storing position and the dimension information of described picture-in-picture window.
9. television equipment as claimed in claim 7, it is characterized in that, described video process apparatus also comprises:
Open command receiver module, for receiving the unlatching control command of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
10. the television equipment as described in claim 7 or 9, is characterized in that, described video process apparatus also comprises:
Out code receiver module, for receiving the closing control instruction of the described picture-in-picture window that described computer system sends;
Described image processing module, also for when receiving described closing control instruction, processing described computer video signal, obtaining described Video Image;
Described Video Output Modules, also for described Video Image being exported to the display of described display module.
11. 1 kinds of method for processing video frequency, are applied to a television equipment, and described television equipment comprises: television signal receiver module, department of computer science unify display module, it is characterized in that, said method comprising the steps of:
Receive the television video frequency signal of described television signal receiver module input;
Receive the computer video signal of described computer system input;
Process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain the overlay video image for described display module display;
Described overlay video image is exported to the display of described display module.
12. method for processing video frequency as claimed in claim 11, is characterized in that, describedly superpose described television video image and described Video Image, and the step obtained for the overlay video image of described display module display comprises:
Obtain position and the dimension information of picture-in-picture window;
According to position and the dimension information of described picture-in-picture window, described television video image and described Video Image are superposed, obtains described overlay video image, wherein, in described overlay video image, described television video image is arranged in described picture-in-picture window.
13. method for processing video frequency as claimed in claim 12, is characterized in that, also comprise before the position of described acquisition picture-in-picture window and the step of dimension information:
Receive position and the dimension information of the described picture-in-picture window that described computer system sends;
Store position and the dimension information of described picture-in-picture window.
14. method for processing video frequency as claimed in claim 12, it is characterized in that, describedly process is carried out to described television video frequency signal obtain television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, the step obtaining described overlay video image comprises:
Receive the unlatching control command of the described picture-in-picture window that described computer system sends;
When receiving described unlatching control command, process is carried out to described television video frequency signal and obtains television video image, process is carried out to described computer video signal and obtains Video Image, and described television video image and described Video Image are superposed, obtain described overlay video image.
15. method for processing video frequency as described in claim 12 or 14, is characterized in that, also comprise:
Receive the closing control instruction of the described picture-in-picture window that described computer system sends;
When receiving described closing control instruction, described computer video signal being processed, obtaining described Video Image;
Described Video Image is exported to the display of described display module.
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| KR102099594B1 (en) * | 2013-10-23 | 2020-04-10 | 엘지전자 주식회사 | Tv and operating method thereof |
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