CN101090466A - Two-channel processing method and device for picture out picture/picture in picture of TV. - Google Patents
Two-channel processing method and device for picture out picture/picture in picture of TV. Download PDFInfo
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- CN101090466A CN101090466A CN 200610044860 CN200610044860A CN101090466A CN 101090466 A CN101090466 A CN 101090466A CN 200610044860 CN200610044860 CN 200610044860 CN 200610044860 A CN200610044860 A CN 200610044860A CN 101090466 A CN101090466 A CN 101090466A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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Abstract
This invention relates to a double-channel process method and a device for picture-out-of picture / picture-in-picture of TV sets, in an update period, an assistant display region displays video action image provided by the current channel of a sub-channel dynamically and continuously, beginning from the next period, said region displays the last frame image of the last updated period statically and transfers the current channel of the sub-one to the next channel, and the next assistant display region dynamically and continuously displays the video action image provided by the current channel of the sub-channel, when receiving user input, it stops update of the assistant display regions and adds display identification on them when receiving input of a user corresponding to the ID, the current channel of the master channel is switched to the channel corresponding to the content of the assistant display region of the ID.
Description
Technical field
The present invention relates to picture out picture/PIP receiver, specifically be meant the picture out picture/picture-in-picture two-channel processing method and the device of television set.
Background technology
Picture out picture/PIP receiver is to show a key frame and one or more auxiliary image on screen of TV set simultaneously, key frame is play current TV programme of mainly watching in a dynamic way, promptly play the content of a television channel, the content of other television channel is then play or shown still to other picture, be used to allow user profile browse the programme content of other channel, so that select one of them channel, and it is switched to the current TV programme key frame of mainly watching.When this television receiver had two tuners, then one of them auxiliary image was dynamically play the programme content of a television channel, and other auxiliary image can only show the frame in other television channel program content statically.When television receiver had only a tuner, then auxiliary image can only show the frame in other channel program content statically.
No. 93100713.5, existing technical scheme such as Chinese patent disclosed " programmable picture-outside-picture display ", the main feature of this scheme is to show on the screen that has had recognition reaction on the auxiliary image corresponding to key frame, and have a control device, be used for responding reorientating of showing on the described screen and choose one as key frame from each auxiliary image.
Above-mentioned " programmable picture-outside-picture display " has following weak point: one, and four pictures only can show three cover channels altogether.The key frame always content with one of them auxiliary image is consistent; Two, each auxiliary image only has the meaning of supervision, do not possess the meaning of browsing, as described in it, its displaying contents has a key frame and three auxiliary images, an auxiliary image consistent with the key frame content identifies out with significant sign, remaining two wickets are by reducing frame per second or other method update content, under the situation that the user operates, these three wickets only have the content of TV program of three channels, and can not show the content of TV program of other channels automatically by turns; Three, possess two groups of tuners, but do not possess the ability that complete two-way treatment channel is handled, there is not the two-way sound processing apparatus, not only can not monitor the voice signal of subchannel, and not support only to have sound not have the program of image, for example meet some channel of U.S. ATSC signal standards; Four, be mainly used in only 3 auxiliary images, the user is when using auxiliary image to select the key frame content, the upper and lower key that uses a teleswitch switches auxiliary image, if be applied to the more situation of auxiliary image (for example 5 sprites), need to press continuously repeatedly remote keying, the operation more complicated; Five, the content update mode is asynchronous storage, shows synchronously.For user's impression, the subchannel picture has tangible stagnation sense.System is realized, higher to each part requirement.
Summary of the invention
The invention provides a kind of picture out picture/picture-in-picture two-channel processing method of television set, the auxiliary image that its main purpose is to overcome picture out picture/picture in picture TV set of the prior art does not possess to be browsed each channel program content automatically, selectes the shortcomings such as audio frequency that the operation of key frame content is comparatively loaded down with trivial details, can not monitor subchannel by the auxiliary image content.
The present invention adopts following technical scheme:
The picture out picture of television set/picture-in-picture two-channel processing method, may further comprise the steps: 1) will support the display screen of twin-channel television set to be divided into a main viewing area and some secondary display area, the TV signal of main channel provides the displaying contents of main viewing area, and the TV signal of subchannel provides displaying contents for each secondary display area in turn; 2) in a update cycle, a secondary display area dynamically shows the video live image that current channel provided of subchannel continuously; Begin from next update cycle, this secondary display area shows the last frame image frame of a update cycle statically, the current channel of subchannel be tuned to succeeding channel, next secondary display area dynamically shows the video live image that current channel provided of subchannel continuously; When 3) receiving the user to the control of secondary display area input, stop the renewal of secondary display area, and superpose respectively in each secondary display area and to show a sign, when receiving the input of user's switching controls corresponding with this sign, the current channel of main channel switches to the pairing channel of secondary display area displaying contents of this sign correspondence.
The picture out picture of aforementioned television set/picture-in-picture two-channel processing method by the audio frequency of main audio playback equipment broadcast main channel current channel, is play the audio frequency of subchannel current channel by an auxiliary audio frequency playing device.
The picture out picture of aforementioned television set/picture-in-picture two-channel processing method, the quantity of its secondary display area is preferably five, on the horizontal direction above or below the key frame, arrange three secondary display area, be positioned on the vertical direction of the below of a secondary display area of sidepiece or top and be arranged with two secondary display area.
The picture out picture of aforementioned television set/picture-in-picture two-channel processing method, it is in the numeral that is designated of each secondary display area stack demonstration, and user's switching controls corresponding with this sign is input as the numerical key on the remote controller.
The picture out picture of television set/picture-in-picture binary channels processing unit comprises: two tuners are used for respectively the TV signal of two channels of input radio frequency signal tuning; Two groups of video process apparatus are used for handling respectively the main channel that two tuners export out, the vision signal of subchannel; Image synthesizer, main channel video data, subchannel video data and some seizing from the frozen frozen mass data of subchannel video to two groups of video process apparatus outputs are synthesized, and these composograph data are corresponding to main viewing area and some secondary display area of television display screen; OSD (On Screen Display screen character/graphical display) covers device, the OSD displaying contents is covered on the vedio data of image synthesizer output, and this OSD displaying contents comprises the sign of distinguishing each secondary display area; Automatic control equipment, be used for unified control each part mentioned above and carry out work, in a update cycle, make a secondary display area show described subchannel video live image, and seize in this update cycle last frame data and current channel and number be stored to a memory, in next update cycle, make this secondary display area show this frozen frozen mass picture, and make the tuner of subchannel be tuned to succeeding channel, control next secondary display area and show subchannel video live image; Response control apparatus is used to respond the control input of user corresponding to described each secondary display area and sign, and the tuner of control main channel correspondence is tuned to the user imports the pairing channel of corresponding secondary display area.
Aforementioned picture out picture/picture-in-picture binary channels processing unit, also comprise two groups of apparatus for processing audio, be used for handling respectively the main channel of two tuner outputs, the audio signal of subchannel, the main audio playing device and the auxiliary audio frequency playing device that the result are sent to television set are play.
The picture out picture of aforementioned television set/picture-in-picture binary channels processing unit, its each group video process apparatus comprises Video Decoder, video effect booster and the scaler that connects successively.
The picture out picture of aforementioned television set/picture-in-picture binary channels processing unit, it distinguishes the numeral that is designated of each secondary display area, described user's correspondence be input as numerical key on the remote controller.
The picture out picture of aforementioned television set/picture-in-picture binary channels processing unit, its automatic control equipment comprises: timer is used to set the update cycle; Pointer is used to indicate current secondary display area, and when a update cycle finished, pointer was shifted to next secondary display area; Display controller, show subchannel video live image in the current secondary display area of a update cycle inner control, when update cycle finishes, to memory, and make current secondary display area show this frozen frozen mass picture the last frame storage of current subchannel video; The subchannel channel controller, when pointer moved on to a secondary display area, the tuner of control subchannel correspondence was tuned to next channel, and last channel is stored to memory.
The picture out picture of aforementioned television set/picture-in-picture binary channels processing unit, its response control apparatus comprises: responding device receives user's input; The main channel channel controller, the control signal of reception responding device is taken out the user from memory and is imported corresponding channel, and the tuner of control main channel correspondence is tuned to the channel of this channel correspondence.
By the above-mentioned description of this invention as can be known, compare with prior art, the present invention has following advantage: one, under the situation of no user control input, each auxiliary image on the television display screen upgrades at interval by certain hour automatically, and what an auxiliary image demonstration was wherein arranged is the dynamic video live image, can make things convenient for the TV programme of each channel of user's fast browsing; Two, under picture out picture/picture-in-picture display mode, the user only needs twice button can select the channel of an auxiliary image channel as key frame, promptly, enter selection mode by a predefined operating key to secondary display area, make auxiliary image stop to upgrade, selecting by a numerical key will be as the channel of key frame again; Three, can handle twin-channel sound accompaniment, the user may cross the audio frequency that other audio playing apparatus such as earphone is monitored each channel that auxiliary image shows.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention;
Fig. 2 is the present invention's several pictures that television screen shows when each secondary display area is upgraded automatically under the picture out picture state, has shown the renewal process of each secondary display area displaying contents;
Fig. 3 has shown several pictures that television screen shows when having the user to import, and has shown after the user browses each channel content by secondary display area to select the change procedure of a channel as the display frame of view content television screen;
Fig. 4 has shown the workflow of system of the present invention.
Embodiment
Below with reference to Fig. 1 to Fig. 4 the specific embodiment of the present invention is described.
Present embodiment provides a kind of picture out picture/picture-in-picture binary channels processing unit of television set.
With reference to Fig. 1, the radiofrequency signals of radio frequencies such as cable or antenna inputs 10 inputs are divided into main channel 1, subchannel 2, export the two-way television image signal through two tuners, 11,21 tuning backs; Then respectively by corresponding respectively two video process apparatus that connect to form successively of Video Decoder 12,22, video effect booster 14,24, scaler 16,26 decode, processing such as effect enhancings, convergent-divergent, the motion video data that the formation two-way can be play on television screen; Again by the main channel motion video data of above-mentioned two video process apparatus output of 3 pairs of image synthesizers, subchannel motion video data and four seize from the frozen frozen mass data of subchannel video and synthesize, make its main viewing area A0 and five secondary display area A1 corresponding to television display screen, A2, A3, A4, A5, the division of each viewing area can be with reference to shown in Figure 2, be that three secondary display area A1 are arranged on screen top in the horizontal direction, A2, A3, the below that is positioned at a secondary display area A3 of right side is arranged with two secondary display area A4 in vertical direction, A5, certainly, also each secondary display area can be arranged in the left side and the downside of screen.
Covering device 4 by OSD again is covered in the OSD displaying contents on the video image of image synthesizer 3 outputs, this OSD displaying contents comprises the sign M0 of difference each secondary display area A1, A2, A3, A4, A5, and each identifies M0 and respectively is Arabic numerals 1,2,3,4,5 from left to right, from top to bottom.The video image that OSD covers device 4 outputs sends LVDS controller 5 to, is formatted into the LVDS signal, sends LCDs to.LVDS is the abbreviation of Low Voltage DifferentialSignaling, and the Chinese meaning is Low Voltage Differential Signal, during the LVDS signal is used by the transmission of widespread usage between video frequency processing chip and LCDs.
Automatic control equipment 7 is used for unified control each part mentioned above and carries out work, in a update cycle, make a secondary display area show described subchannel video image, and seize that last frozen frozen mass data and current subchannel channel are stored to a memory 9 in this update cycle, in next update cycle, make this secondary display area show this frozen frozen mass picture, and make the tuner 2 of subchannel be tuned to succeeding channel, control next secondary display area and show the subchannel video image, and in all receivable television channels, circulate; Response control apparatus 8 is used to respond the input of user corresponding to described each secondary display area sign M0, just the user is to the input of remote controller keyboard numerical key, and the tuner 11 of control main channel 1 correspondence is tuned to the user imports the pairing channel of corresponding secondary display area.
This automatic control equipment 7 comprises timer 71, pointer 72, display controller 73 and subchannel channel controller 74.Timer 71 is used to set update cycle and timing; Pointer 72 is used to indicate current secondary display area, and when a update cycle finished, pointer was shifted to next secondary display area; Display controller 73 shows the subchannel video image in the current secondary display area of a update cycle inner control, when a update cycle finishes, last frozen frozen mass picture data of current subchannel video is stored to memory 9, and makes current secondary display area show this frozen frozen mass picture; When subchannel channel controller 74 moved on to a secondary display area at pointer 72, the tuner 21 of control subchannel 2 correspondences was tuned to next channel, and last channel is stored to memory 9.Response control apparatus 8 comprises responding device 81 and main channel channel controller 82, and responding device 81 receives the input of user from remote controller; Main channel channel controller 82 receives the control signal of responding device 81, takes out the user from memory 9 and imports corresponding channel, and the tuner 11 of control main channel 1 correspondence is tuned to the channel of this channel correspondence.
Also comprise in addition by sound accompaniment decoder 13,23, corresponding respectively two apparatus for processing audio that constitute of audio frequency delay device 15,25, be used for handling respectively the tuning main channel 1 that goes out of two tuners 11,21, the accompanying sound intermediate frequency signal of subchannel 2, the main audio playing device and the auxiliary audio frequency playing device that the result are sent to television set are play, the main audio playing device is audio amplifier normally, be used to play the audio frequency of main channel 1, the auxiliary audio frequency playing device is earphone normally, is used to monitor the audio frequency of subchannel 2.
With reference to Fig. 2, shown each picture that demonstrates in each secondary display area A1, A2, A3, A4, the automatic renewal process of A5.Suppose that available channel has CH2, CH3, CH4, CH5, CH6, CH7, CH8, CH9, CH10, CH11, CH12.Among the picture P1, main viewing area A0 shows the dynamic video of main channel 1 current channel CH9, secondary display area A2 shows the dynamic video of subchannel 2 current channel CH2, and secondary display area A2, A3, A4, A5 then show the frozen frozen mass of subchannel 2 other channel CH3, CH4, CH5, CH6 correspondence; Among the picture P2, the TV signal of subchannel 2 be tuned to succeeding channel CH7, secondary display area A1 indicated channel CH2 is at last frozen frozen mass of the dynamic video of this secondary display area A1 demonstration, and secondary display area A2 then shows the dynamic video of subchannel 2 current channel CH7.By parity of reasoning can get frame out P3, P4, P5, P6, P7, P8, promptly upgrade the programme content of each secondary display area in turn to succeeding channel, and at one time, have only a secondary display area to show the dynamic video of subchannel 2 current channels, other secondary display area then shows last frozen frozen mass of the dynamic video that it showed recently.
With reference to Fig. 3, when the user imported, when promptly the user had pressed the predefined key of of remote controller, the picture on the screen had entered the channel selection state.Shown in picture P9, on each secondary display area, demonstrate a sign M0, each identifies M0 and respectively is Arabic numerals 1,2,3,4,5, is used to distinguish each secondary display area A1, A2, A3, A4, A5.When the user presses corresponding data key on the remote controller, supress numerical key 3 this hypothesis user, picture P10 has then appearred, main channel 1 has been tuned on the corresponding channel of the secondary display area corresponding with this numerical key, and the dynamic video of main viewing area A0 is enlarged to whole screen area.
Foregoing description is the function combinations apparatus for converting, but do not get rid of these functional packet is not contained in possibility in same circuits or the processor.
With reference to Fig. 4, be the workflow of the picture out picture/picture-in-picture binary channels processing unit of above-mentioned television set.
At first, accept the input of user remote controller predefined bond, enter the picture out picture state, screen of TV set is divided into a main viewing area and five secondary display area, its arrangement can be with reference to Fig. 2, main viewing area is used to show the dynamic content of TV program (step S1) of main channel current channel, and allow first secondary display area of pointed (step S2), make this secondary display area show the dynamic content of TV program of subchannel current channel, and make a first timer zero clearing (step S3), this first timer has been set a update cycle, before this update cycle finishes, judged whether predefined related key input (step S4), if when this update cycle finishes, still there is not the related key input, then last frozen frozen mass that current secondary display area is shown is stored to memory, and make this secondary display area continue to show this frozen frozen mass (step S5) since then, and, storage subchannel current channel is number to memory, corresponding with this frozen frozen mass, and the subchannel current channel is tuned to succeeding channel (step S6), judge then whether the pointer current location has pointed to last secondary display area (step S7), if not, then make the next secondary display area (step S8) of pointed, forward step S3 then to and continue the circulation execution, if pointer has pointed to last secondary display area, then go to step S2 and continue the circulation execution.Thus, do not having under the situation of user intervention, automatically the circulate content of update displayed of each secondary display area, in the same update cycle, it is the content of TV program that dynamically shows the subchannel current channel that a secondary display area is only arranged, other secondary display area then shows last frozen frozen mass of the dynamic content of TV program that it showed recently, and each frozen frozen mass and corresponding channel all are stored in the memory.
When step S4 has judged whether that predefined related key is imported, if predefined related key input was arranged in this update cycle, then stopping above-mentioned circulation upgrades, show a sign in each secondary display area, be Arabic numerals 1,2,3,4,5, and with a second timer zero clearing (step S9), before expiring, second timer judged whether then and each sign corresponding key input (step S10), if do not have, then, go to step S5 then and continue to carry out above-mentioned first timer zero setting (step S11); If before second timer expires, have and each sign corresponding key input, then according to the selected secondary display area of button input, read the corresponding channel of frozen frozen mass with the current demonstration of this secondary display area from memory, and the main channel is tuned to this channel (step S12), withdraw from the picture out picture state then, the content of TV program (step S13) that on whole television screen, shows the main channel current channel, so far, finished the process that helps the viewing area to select the channel desiring to watch by defeated.
In like manner, said apparatus and workflow are applicable to the situation of picture-in-picture.
Above-mentioned execution mode can be common to simulated television receiver and digital television receiver.At the difference of concrete system for simulation or numeral, its video/audio device has difference, and for example, the tuner of digital television receiver is a digital tuner, and the tuner of simulated television receiver is an analog tuner; The Video Decoder of digital television receiver is a digital decoder, and the Video Decoder of simulated television receiver is an analog decoder, or the like.For digital television receiver, should there be a demodulator in the system.This device is contained in the digital tuner usually, but also can be placed in the middle of tuner and the Video Decoder.This device is used for the signal of chnnel coding is demodulated into transport stream, gives the digital audio Video Decoder.
Above-mentioned only is a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection range of the present invention.
Claims (10)
1, the picture out picture of television set/picture-in-picture two-channel processing method may further comprise the steps:
1) will support the display screen of twin-channel television set to be divided into a main viewing area and some secondary display area, the TV signal of main channel provides the displaying contents of main viewing area, and the TV signal of subchannel provides displaying contents for each secondary display area in turn;
2) in a update cycle, a secondary display area dynamically shows the video live image that current channel provided of subchannel continuously; Begin from the next update cycle, this secondary display area shows the last frame image frame of a update cycle statically, the current channel of subchannel be tuned to succeeding channel, next secondary display area dynamically shows the video live image that current channel provided of subchannel continuously;
3) receive the user when importing, stop the renewal of secondary display area, and at each secondary display area explicit identification that superposes respectively, when receiving user's input corresponding with this sign, the current channel of main channel switches to the corresponding pairing channel of secondary display area displaying contents of this sign.
2, the picture out picture of television set as claimed in claim 1/picture-in-picture two-channel processing method, it is characterized in that:, play the audio frequency of subchannel current channel by an auxiliary audio frequency playing device by the audio frequency of main audio playback equipment broadcast main channel current channel.
3, the picture out picture of television set as claimed in claim 1/picture-in-picture two-channel processing method, it is characterized in that: the quantity of described secondary display area is preferably five, arrange three secondary display area in the longitudinal direction, be positioned at sidepiece a secondary display area above or below on Width, be arranged with two secondary display area.
4, the picture out picture of television set as claimed in claim 1/picture-in-picture two-channel processing method is characterized in that: describedly be designated numeral what the stack of each secondary display area showed, the user is corresponding with this sign is input as numerical key on the remote controller.
5, the picture out picture of television set/picture-in-picture binary channels processing unit comprises:
Two tuners are used for tuning and export the vision signal of corresponding channel respectively to the radiofrequency signal of input;
Two groups of video process apparatus are used for handling respectively the main channel of two tuner outputs, the vision signal of subchannel;
Image synthesizer, main channel video data, subchannel video data and some seizing from the frozen frozen mass data of subchannel video to the output of two video process apparatus are synthesized, and make its main viewing area and some secondary display area corresponding to television display screen;
OSD covers device, the OSD displaying contents is covered on the video image of image synthesizer output, and this OSD displaying contents comprises the sign of distinguishing each secondary display area;
Automatic control equipment, be used for unified control each part mentioned above and carry out work, in a update cycle, make a secondary display area show described subchannel video live image, and seize in this update cycle last frame data and current channel and number be stored to a memory, in next update cycle, make this secondary display area show this frozen frozen mass picture, and make the tuner of subchannel be tuned to succeeding channel, control next secondary display area and show subchannel video live image; Response control apparatus is used to respond the control input of user corresponding to described each secondary display area and sign, and the tuner of control main channel correspondence is tuned to the user imports the pairing channel of corresponding secondary display area.
6, the picture out picture of television set as claimed in claim 5/picture-in-picture binary channels processing unit is characterized in that: also comprises two apparatus for processing audio, is used for handling respectively the tuning main channel that goes out of two tuners, the audio signal of subchannel,
The main audio playing device and the auxiliary audio frequency playing device that the result are sent to television set are play.
7, the picture out picture of television set as claimed in claim 5/picture-in-picture binary channels processing unit is characterized in that: described each group video process apparatus comprises Video Decoder, video effect booster and the scaler that connects successively.
8, the picture out picture of television set as claimed in claim 5/picture-in-picture binary channels processing unit is characterized in that: described each secondary display area of difference be designated numeral, described user's correspondence be input as numerical key on the remote controller.
9, the picture out picture of television set as claimed in claim 5/picture-in-picture binary channels processing unit is characterized in that described automatic control equipment comprises:
Timer is used to set the update cycle;
Pointer is used to indicate current secondary display area, and when a update cycle finished, pointer was shifted to next secondary display area;
Display controller, show subchannel video live image in the current secondary display area of a update cycle inner control, when update cycle finishes, to memory, and make current secondary display area show this frozen frozen mass picture the last frame storage of current subchannel video;
The subchannel channel controller, when pointer moved on to a secondary display area, the tuner of control subchannel correspondence was tuned to next channel, and last channel is stored to memory.
10, the picture out picture of television set as claimed in claim 5/picture-in-picture binary channels processing unit is characterized in that described response control apparatus comprises:
Responding device receives user's input;
The main channel channel controller, the control signal of reception responding device is taken out the user from memory and is imported corresponding channel, and the tuner of control main channel correspondence is tuned to the channel of this channel correspondence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044860 CN101090466A (en) | 2006-06-14 | 2006-06-14 | Two-channel processing method and device for picture out picture/picture in picture of TV. |
| PCT/CN2007/001869 WO2007147338A1 (en) | 2006-06-14 | 2007-06-13 | Double-channel processing method and apparatus for a picture-outside-picture or picture-in-picture type television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044860 CN101090466A (en) | 2006-06-14 | 2006-06-14 | Two-channel processing method and device for picture out picture/picture in picture of TV. |
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| CN101090466A true CN101090466A (en) | 2007-12-19 |
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| CN 200610044860 Pending CN101090466A (en) | 2006-06-14 | 2006-06-14 | Two-channel processing method and device for picture out picture/picture in picture of TV. |
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| WO (1) | WO2007147338A1 (en) |
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| CN101500144B (en) * | 2008-01-29 | 2013-03-13 | 佳能株式会社 | Display control apparatus and display control method |
| US8259233B2 (en) | 2008-03-07 | 2012-09-04 | Sunplus Technology Co., Ltd | System and method for processing a television picture-out-picture |
| CN101394505B (en) * | 2008-10-10 | 2010-04-07 | 北京创毅视讯科技有限公司 | Device, method and terminal for simultaneously displaying multiple programs |
| CN102265608A (en) * | 2008-12-24 | 2011-11-30 | 三菱电机株式会社 | Digital broadcast receiver |
| CN102265608B (en) * | 2008-12-24 | 2014-08-27 | 三菱电机株式会社 | Digital broadcast receiver |
| CN102696222A (en) * | 2010-07-28 | 2012-09-26 | 青岛海信信芯科技有限公司 | Video picture display device and method |
| CN103179360A (en) * | 2011-12-23 | 2013-06-26 | 联发科技股份有限公司 | Video Processing apparatus |
| CN103179360B (en) * | 2011-12-23 | 2016-12-21 | 联发科技股份有限公司 | Video process apparatus |
| CN103856822A (en) * | 2012-12-04 | 2014-06-11 | 三星电子（中国）研发中心 | Television program accompanying sound playing method, television equipment and system |
| CN104102464A (en) * | 2013-04-02 | 2014-10-15 | 万战斌 | Video information processing method, display system and video playing method |
| CN103501462A (en) * | 2013-09-26 | 2014-01-08 | 天脉聚源(北京)传媒科技有限公司 | Video switching method and device |
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| WO2007147338A1 (en) | 2007-12-27 |
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