CN101706710A - System for controlling synchronous playing of multi-picture signal and control method thereof - Google Patents
System for controlling synchronous playing of multi-picture signal and control method thereof Download PDFInfo
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- CN101706710A CN101706710A CN200910100350A CN200910100350A CN101706710A CN 101706710 A CN101706710 A CN 101706710A CN 200910100350 A CN200910100350 A CN 200910100350A CN 200910100350 A CN200910100350 A CN 200910100350A CN 101706710 A CN101706710 A CN 101706710A
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Abstract
The invention discloses a system for controlling the synchronous playing of a multi-picture signal and a control method thereof. The system comprises an LCD terminal display part, a medium playing system and an SCM control system, wherein the LCD terminal display system is a large-screen display terminal comprising a confirmed number of LCD display screens; the medium playing system comprises a confirmed number of medium playing plates which have the same number with the LCD display screens; each screen signal is controlled by a single signal source and is in charge of receiving and outputting the signals to an LCD display terminal; and the medium playing system is controlled by the SCM control part to control the outputting and playing modes of the medium playing plate signals. A user can control the playing contents of different screens of a television wall by the system, set on-off states of different screens and just control the sequence, the time, the effect, and the like of the playing contents by computer programming or directly by remote control; and when all the screens of the television wall are not needed, the unused part can be shut down, thereby saving power resources.
Description
Technical field
The many pictures that the present invention relates to a kind of display terminal show and control technology particularly a kind of multi-picture signal synchronous playing control system and control method thereof.
Background technology
Along with fast development of information technology, the visuality of information more and more receives people's welcome and concern.The spliced display wall of liquid crystal is practical, the most reliable, a most most economical current large screen display terminal.How to show on the large screen display terminal that a secondary complete image more and more is subjected to people's attention.
Though existing image splitter can reach this effect, also there are many defectives.Dispenser is the cost height not only, and picture quality is also not fully up to expectations.In the time picture need being presented at the large-size screen monitors of being made up of four screens, signal is divided into four parts after cutting apart through dispenser, and corresponding resolution also descends to some extent.Become 800 * 600 as picture every width of cloth image resolution ratio through cutting apart after of 1600 * 1200 originally, and existing LCD display resolution is generally all more than 1024 * 768, so picture quality is relatively poor relatively when closely seeing.
Summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned technology and provide a kind of user only to need or directly come order, time and the effect etc. of controls playing content by remote control by the computer editing, when not needing to use all screens of video wall, no part can be closed, save the multi-picture signal synchronous playing control system and the control method thereof of electric power resource.
In order to achieve the above object, multi-picture signal synchronous playing control system provided by the invention, comprise LCD terminal display part, media play system and single-chip computer control system, the large screen display terminal that described LCD terminal display system is made up of the LCD display of quantification, every screen can the different pictorial information of independent displaying, also can show the different content of same pictures simultaneously; Described media play system is made up of the media play plate of quantification equally, quantity equals the quantity of LCD display, to reach the purpose that each display screen is controlled by media play plate independently, therefore every screen signal can be controlled by independent signal source, reaches the effect of high definition.This part mainly is responsible for the reception of signal and is exported to the LCD display terminal.Media play system can or directly come the controls playing content by remote control by the editor in advance of computer, as order, time and the effect etc. of broadcast information.Simultaneously, this part is controlled by the Single-chip Controlling part, controls the output of media play partitioned signal, the functions such as selection of play mode with this.Described single-chip computer control system is to be made of single-chip microcomputer and peripheral circuit thereof, can control total system by telecommand.
Be provided with three I/O mouths in the media play plate of described media play system, three I/O mouths are controlled by the level signal that single-chip microcomputer sends, control the output of media play plate image respectively, play mode and play content switching controls. specifically, by this part as media play system transmission level signal, can control the play mode of media play system etc. single-chip microcomputer is by sending three the I/O mouths of three level signals to the media play plate, control the output of media play plate image respectively: promptly when I/O mouth (a) when receiving low level the media play plate output signal to the LCD display terminal, high level is not then exported, and makes corresponding LCD display be in holding state; Play mode: when I/O mouth (b) when receiving low level, the media play plate is under the Single-chip Controlling pattern, controlled by single-chip microcomputer the switching time that is different play content at interval, then has the pattern of media play plate oneself to play when receiving high level; The play content switching controls: in the time of under the media play plate is in the Single-chip Controlling pattern, controls different content by single-chip microcomputer and switch the required time interval, and can accomplish that content switches to synchronism, the user can be provided with this time interval by remote control.
The control method of multi-picture signal synchronous playing control system provided by the invention, comprise and adopt LCD terminal display part, media play system and single-chip computer control system, its controlled step is: one, picture editting: image is cut apart, quantity is determined by display screen quantity, store in certain sequence in the media play plate, and the image of respectively cutting apart gained named, playlist is set; Two, the image output mode is set: according to the level signal that I/O mouth (b) receives, select the different time intervals that image is switched, reach the synchronous switching of image; Three, image output: after system determined output mode, each media play plate outputed to corresponding LCD display with signal Synchronization, finishes the reality of a complete image.
After the picture editting finished, selected image can show that involved ordering is stored in the middle of the media play plate according to clooating sequence here, and the user can edit it with remote control, also can finish after this operation importing medium with PC and play plate.The user also can partly select media play plate play mode by Single-chip Controlling, can select each display screen to play relatively independent content, or all screen synch is play the different piece of same image.
The multi-picture signal synchronous playing control system that adopts control method of the present invention to obtain can show different content according to user self needs on the LCD terminal display system.The splicing quantity of LCD display can be by multiple mode, and array mode is also by M * N multiple choices mode.Because every LCD display is play plate by independent media and controlled separately, therefore every LCD display can reach the display effect of 720p, and does not have the image quality loss that the normal pictures dispenser brings.
A kind of multi-picture signal synchronous playing control system provided by the invention and control method thereof, the user only needs by computer editing or direct order, time and effect etc. of coming the controls playing content by remote control, when not needing to use all screens of video wall, no part can be closed, the saving electric power resource.Can control the play content of the different screen of video wall by this system, also can set the on off state of different screen.
Description of drawings
Fig. 1 is a principle of the invention block diagram;
Fig. 2 is the LCD display connecting method;
Fig. 3 is 2 * 2 control principle figure of system;
Fig. 4 is a Single-chip Controlling part specific implementation circuit of the present invention;
Fig. 5 is realization flow figure of the present invention.
Embodiment
The invention will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment:
The control method of multi-picture signal synchronous playing control system provided by the invention, comprise and adopt LCD terminal display part 1, media play system 2 and single-chip computer control system 3, its controlled step is: one, picture editting: image is cut apart, quantity is determined by display screen quantity, store in certain sequence in the media play plate, and the image of respectively cutting apart gained named, playlist is set; Two, the image output mode is set: according to the level signal that I/O mouth (b) receives, select the different time intervals that image is switched, reach the synchronous switching of image; Three, image output: after system determines output mode, each media play plate outputs to corresponding LCD display with signal Synchronization, finish the reality of a complete image. after the picture editting finishes, selected image can show according to clooating sequence, here involved ordering is stored in the middle of the media play plate, the user can edit it with remote control, importing medium is play plate after also can finishing this operation with PC. and the user also can partly select media play plate play mode by Single-chip Controlling, can select each display screen to play relatively independent content, or all screen synch are play the different piece of same image.
As shown in Figure 1, the multi-picture signal synchronous playing control system that the embodiment of the invention provides, mainly comprise three parts: LCD terminal display part 1, media play part 2, Single-chip Controlling part 3, LCD display terminal 1 carries out the combined and spliced of M * N by the LCD display of quantification and forms, as shown in Figure 2, be responsible for the picture signal of media play plate input is shown, and when corresponding media play plate no signal inputed to LCD display, this display screen entered holding state.
Media play part 2 is made up of the media play plate with the LCD display equal number, the play content of a LCD display of a media play plate control.Comprise three I/O mouth k0, k1, k2 on the media play plate, be used for controlling output, play mode and the image switching speed of media play partitioned signal respectively.These ports are controlled it by Single-chip Controlling part 3, when k0 receives to high level, play the output of plate no signal, make no screen be in holding state, otherwise, when k0 receives to low level, play the plate output signal and on corresponding LCD display, show; When k1 receives high level, to play plate and be under the pattern that carries, it is necessarily synchronous that all play plate switching picture, is fit to play relatively independent content.When k1 receives low level, the media play plate is in the Single-chip Controlling pattern, can be controlled it this moment by single-chip microcomputer, the user can be provided with the picture switching interval time voluntarily, under the cooperation of k2, all media play plates can be accomplished to switch picture synchronously, make display terminal be unlikely to misplace when playing complete picture; Under the Single-chip Controlling pattern, promptly when k1 receives to low level, only when receiving to low level, k2 just can carry out the switching of picture, and picture rests on same picture all the time when k2 is high level.When whole display terminal needs a secondary complete picture, need in advance this picture is carried out dividing processing, and the different piece that will cut apart the back gained is stored in the corresponding media play plate.Four picture display terminals with 2 * 2 are example, and as shown in Figure 3, display terminal represents that with A1, A2, A3, A4 its corresponding background control is finished by media play plate B1, B2, B3, B4.Suppose that the user need play two image informations of m, n in turn on terminal, at first these two image informations that need play carried out matrix pattern and on average cut apart that the gained part is designated as m1, m2, m3, m4 and n1, n2, n3, n4 respectively.Then m1, n1 are stored among the media play plate B1, m2, n2 are stored among the B2, and m3, n3 are stored among the B3, and m4, n4 are stored among the B4, more every block of media play plate are carried out the setting of playlist.Finish after these a series of operations, under the assistance of each I/O mouth, carry out the synchronous playing of respective picture at a certain time interval.
Single chip control module 3 physical circuits as shown in Figure 4, by A, B, C, D four parts are formed, the main function that realizes is, the speed of the play mode of controls playing plate and switching picture. A is the power source conversion part among the figure, to obtain the needed 5V voltage of single-chip microcomputer work .B is single-chip microcomputer and peripheral circuit thereof, comprise and resetting, remote control reception and crystal oscillating circuit, because the operate as normal of single-chip microcomputer is the output of single-chip processor i/o mouth with control .C, three signals are given three I/O mouths playing plate respectively, with this duty .D that controls the media play plate is digital display part, be used to show the play mode of total system and the picture switching time under the Single-chip Controlling pattern. come switch modes and picture switch speed by remote control, and being presented on the charactron. single-chip microcomputer P0 mouth is controlled digital pipeline section bit selecting, the position choosing is controlled by P2.4-P2.7, the front two pattern that displays the play, two switch speeds that Show Picture in back. other unnecessary I/O mouths are used for controlling the state of corresponding broadcast plate. and with Fig. 3 example, play plate I/O mouth k0, k1, k2 is respectively by P2.0, P2.1, P2.2 control, mode switching key by remote control is selected play mode, use 00 respectively, 01 expression. when charactron shows 00, play plate and be in pattern 00 time, be that P2.0 sends high level, this moment, the picture switch speed was by playing the plate Autonomous Control, and not controlled by the single-chip microcomputer level signal. after pressing the remote control mode switch key, after single-chip microcomputer receives the IR signal, switch to the Single-chip Controlling pattern, this moment, charactron was shown as 01. under this state, single-chip microcomputer P2.0 mouth is output as low level, the P2.1 mouth is exported a low level signal at regular intervals and is given broadcast plate k2 pin. and the time of being separated by can be controlled by remote control, press remote control key is set, after single-chip microcomputer receives corresponding IR signal, send dependent instruction. at this moment, back two of charactron are in blink states, but logarithm value is provided with, determine the key affirmation by remote control, the charactron displayed value is to be play plate picture .P2.2 switching time mouth and is used for the controls playing plate whether signal output is arranged, and then control the on off state of corresponding display screen. when the P2.2 mouth is output as high level, the standby of corresponding broadcast plate, be that no signal is exported to the LCD display terminal, corresponding LCD display terminal also enters holding state.
Claims (4)
1. multi-picture signal synchronous playing control system, comprise LCD terminal display part (1), media play system (2) and single-chip computer control system (3), the large screen display terminal that described LCD terminal display system (1) is made up of the LCD display of quantification; Described media play system (2) is made up of the media play plate of quantification, and quantity equals the quantity of LCD display, and every screen signal is controlled by independent signal source, is responsible for the reception of signal and exports to the LCD display terminal; Media play system (2) is controlled by Single-chip Controlling part (3), controls output, the play mode of media play partitioned signal with this; Described single-chip computer control system (3) is to be made of single-chip microcomputer and peripheral circuit thereof, controls total system by telecommand.
2. multi-picture signal synchronous playing control system according to claim 1, it is characterized in that being provided with three I/O mouths in the media play plate of described media play system (2), three I/O mouths are controlled by the level signal that single-chip microcomputer sends, and control output, play mode and the play content switching controls of media play plate image respectively.
3. the control method of a multi-picture signal synchronous playing control system, comprise and adopt LCD terminal display part (1), media play system (2) and single-chip computer control system (3), it is characterized in that controlled step is: one, picture editting: image is cut apart, quantity is determined by display screen quantity, store in certain sequence in the media play plate, and the image of respectively cutting apart gained named, playlist is set; Two, the image output mode is set: according to the level signal that I/O mouth (b) receives, select the different time intervals that image is switched, reach the synchronous switching of image; Three, image output: after system determined output mode, each media play plate outputed to corresponding LCD display with signal Synchronization, finishes the reality of a complete image.
4. the control method of multi-picture signal synchronous playing control system according to claim 3, after it is characterized in that the picture editting finishes, selected image shows according to clooating sequence, here involved ordering is stored in the middle of the media play plate, the user edits it with remote control or finishes after this operation importing medium with PC and play plate or partly select media play plate play mode by Single-chip Controlling, select each display screen to play relatively independent content, or all screen synch are play the different piece of same image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101003504A CN101706710B (en) | 2009-12-17 | 2009-12-17 | System for controlling synchronous playing of multi-picture signal and control method thereof |
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| CN2009101003504A CN101706710B (en) | 2009-12-17 | 2009-12-17 | System for controlling synchronous playing of multi-picture signal and control method thereof |
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| CN101706710A true CN101706710A (en) | 2010-05-12 |
| CN101706710B CN101706710B (en) | 2012-07-18 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523461A (en) * | 2011-11-25 | 2012-06-27 | 北京东方艾迪普科技发展有限公司 | Dynamic three-dimension supporting multi-source access large-screen playing method |
| CN102694960A (en) * | 2012-06-08 | 2012-09-26 | 深圳路迪网络有限公司 | Device for synchronously controlling video output signal |
| WO2013075406A1 (en) * | 2011-11-23 | 2013-05-30 | 中兴通讯股份有限公司 | Terminal and method for reducing power consumption of terminal |
| CN103513952A (en) * | 2012-06-29 | 2014-01-15 | 三菱电机株式会社 | Multi-display system |
| CN103984135A (en) * | 2010-09-03 | 2014-08-13 | 北京京东方光电科技有限公司 | Display method of liquid crystal spliced curtain wall |
| CN104639847A (en) * | 2015-03-04 | 2015-05-20 | 福建捷联电子有限公司 | Device and method for automatically switching television wall signal based on low-power consumption design of RTC (real time clock) |
| CN106331591A (en) * | 2015-06-26 | 2017-01-11 | 杭州海康威视数字技术股份有限公司 | Monitoring image synchronous switching method and device |
| CN108886633A (en) * | 2016-03-29 | 2018-11-23 | 三菱电机株式会社 | Image receives transcriber, image generates sending device, display system, image reception/reproduction method, image generate sending method, image receives reproduction program and image generates and sends program |
| CN109922230A (en) * | 2017-12-12 | 2019-06-21 | 阿里巴巴集团控股有限公司 | Synchronous broadcast method, control method for playing back and the device of dynamic content |
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| CN117012163A (en) * | 2023-08-24 | 2023-11-07 | 深圳可视科技有限公司 | Control method and system for LED liquid crystal display screen |
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2009
- 2009-12-17 CN CN2009101003504A patent/CN101706710B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103984135A (en) * | 2010-09-03 | 2014-08-13 | 北京京东方光电科技有限公司 | Display method of liquid crystal spliced curtain wall |
| WO2013075406A1 (en) * | 2011-11-23 | 2013-05-30 | 中兴通讯股份有限公司 | Terminal and method for reducing power consumption of terminal |
| CN102523461A (en) * | 2011-11-25 | 2012-06-27 | 北京东方艾迪普科技发展有限公司 | Dynamic three-dimension supporting multi-source access large-screen playing method |
| CN102694960A (en) * | 2012-06-08 | 2012-09-26 | 深圳路迪网络有限公司 | Device for synchronously controlling video output signal |
| CN103513952A (en) * | 2012-06-29 | 2014-01-15 | 三菱电机株式会社 | Multi-display system |
| CN104639847A (en) * | 2015-03-04 | 2015-05-20 | 福建捷联电子有限公司 | Device and method for automatically switching television wall signal based on low-power consumption design of RTC (real time clock) |
| CN106331591A (en) * | 2015-06-26 | 2017-01-11 | 杭州海康威视数字技术股份有限公司 | Monitoring image synchronous switching method and device |
| CN108886633A (en) * | 2016-03-29 | 2018-11-23 | 三菱电机株式会社 | Image receives transcriber, image generates sending device, display system, image reception/reproduction method, image generate sending method, image receives reproduction program and image generates and sends program |
| CN109922230A (en) * | 2017-12-12 | 2019-06-21 | 阿里巴巴集团控股有限公司 | Synchronous broadcast method, control method for playing back and the device of dynamic content |
| CN112948297A (en) * | 2021-02-02 | 2021-06-11 | 深圳市江元科技(集团)有限公司 | Screen control method and device, double-screen terminal equipment and storage medium |
| CN112948297B (en) * | 2021-02-02 | 2023-03-10 | 深圳市江元科技(集团)有限公司 | Screen control method and device, double-screen terminal equipment and storage medium |
| CN117012163A (en) * | 2023-08-24 | 2023-11-07 | 深圳可视科技有限公司 | Control method and system for LED liquid crystal display screen |
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| Publication number | Publication date |
|---|---|
| CN101706710B (en) | 2012-07-18 |
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Inventor after: Zhou Botao Inventor after: Jin Haoxuan Inventor after: Lv Xinqi Inventor after: Zhang Ying Inventor after: Gao Ge Inventor before: Zhou Botao Inventor before: Jin Haoxuan Inventor before: Lv Xinqi Inventor before: Zhang Ying |
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