CN1296240A - Automatic identification of video digital split display card - Google Patents
Automatic identification of video digital split display card Download PDFInfo
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- CN1296240A CN1296240A CN 99123600 CN99123600A CN1296240A CN 1296240 A CN1296240 A CN 1296240A CN 99123600 CN99123600 CN 99123600 CN 99123600 A CN99123600 A CN 99123600A CN 1296240 A CN1296240 A CN 1296240A
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Abstract
The invention relates to an automatic identification video digital segmentation display card which is characterized by comprising a bus bridge, a video input and automatic identification processor, at least two groups of display control units and at least two groups of video code converters, wherein the bus bridge is electrically connected with a computer host and outputs a system control signal, the video input and automatic identification processor receives video input and digitally outputs the video input, each display control unit receives the system control signal and a digitized video and executes digital segmentation operation, and each video code converter receives display data processed by the display control units, converts the display data into an analog signal and outputs the analog signal to a display.
Description
The present invention relates to a kind of display card, relate in particular to a kind of automatic recognition capability of video that has, and video can be done to cut apart display card digital cutting apart for the automatic identification video numeral that shows.
Video Segmentation video wall (VideoWall) often is applied in department store's merchandise show, outdoor large concert, computer exhibition and other Trade Fairs and plays sheet etc., and, a cover Video Segmentation system just must be arranged at these video walls behind.The Video Segmentation system of prior art comprises a program editing computer and Video Segmentation control unit, this Video Segmentation control unit is made up of a plurality of control die set of cutting apart, this program editing computer mainly is responsible for editor's special efficacy program and is transferred to Video Segmentation control unit, this Video Segmentation control unit is after having received video input (VideoInput), can cut apart special effect processing, and output on the televisor.
Video system mainly can be divided into NTSC and PAL two big classes, in areas such as Taiwan, the U.S. is to adopt the NTSC system, in the continent and most European Region then adopt the PAL system, just, different areas must be selected the televisor of different size (NTSC or PAL) for use, cause this Video Segmentation control unit also need select NTSC formula or PAL formula for use, to cooperate different TV specifications according to the area.
As setting up a Video Segmentation video wall (VideoWall), at first need televisor is arranged in square formation or matrix (for example 4 * 4 according to need, 5 * 5 or 6 * 6 etc.), recombinant is cut apart control die set, make all corresponding connection one of each televisor cut apart control die set behind, respectively cut apart control die set and form Video Segmentation control unit, and this Video Segmentation control unit can only receive the video source (VideoSource) of NTSC formula or PAL formula, pass through again simultaneously by this program editing computer, with program of broadcasting and the mode compiled program shelves of cutting apart variation, and utilization compunlcation interface (RS-232) imports the program shelves in this Video Segmentation control unit into, make its according to this program shelves broadcast special video effect.
But the Video Segmentation system of prior art still has following shortcoming in actual use:
(1) different TV specifications (NTSC or PAL) need select for use the Video Segmentation of different size to control unit, can't be shared.
(2) program editing computer and Video Segmentation control unit is to adopt to separate setting, not only cost of idleness and taking up space.
(3) display can only be the projector (Pro-jector) of televisor (TV) or the input of tool video.
(4) aim at Video Segmentation purpose design, not only can't and inconveniently show with (for example stock information) as computing information.
(5) video input style can't be distinguished automatically and look, the essential supporting unit of chosen in advance.
The object of the present invention is to provide a kind of automatic identification video numeral to cut apart display card, what no matter it can import is the video of NTSC or PAL video system, all can discern automatically, and video digitizer and numeral are cut apart, for demonstration; Simultaneously, can make display select diversification, not only can be televisor and also can be computer screen (Monitor); And, automatic identification video numeral can be cut apart the pattern that display card is designed to a computer interface card (add-onCard), it can directly be plugged in the host computer, to save cost and space.
The object of the present invention is achieved like this:
A kind of automatic identification video numeral is cut apart display card, be to be plugged on the system bus of host computer, be used in the video classification of automatic identification input, and video is cut apart back output as numeral show, be characterized in that this automatic identification video numeral cuts apart display card and comprise: a bridge, video input and recognition processor, at least two group indicative control units and at least two group video transcoder automatically; Described this bridge is to electrically connect with the system bus of host computer, and exports a system control signal; Described video input and automatic recognition processor are to export in order to the receiver, video input and with video digitizer; Described each indicative control unit can be received from the system control signal of this bridge input, and from the digitized video that this video is imported and automatic recognition processor is imported, and combine digital is cut apart computing; Described each video transcoder can receive the video data that each indicative control unit was handled, and becomes a simulating signal to export on the display its code conversion to show.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, described automatic identification video numeral is cut apart display card and is also comprised a display mode identification switch, this display mode identification switch is to electrically connect with each indicative control unit, in order to set TV display mode frequently number is TSC-system formula or pal mode, and each indicative control unit is given in output.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, described automatic identification video numeral is cut apart display card and is also comprised a mu balanced circuit, and this mu balanced circuit is to electrically connect with each video transcoder, and stable video from this video transcoder output.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, the input of described video and automatically recognition processor (VIADP) comprise a video input interface in order to the receiver, video input, detect video source automatically and switch to NTSC or the automatic testing circuit of PAL standard and with the digital analog converter of exporting after the video input digitization.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, described each indicative control unit (GraphicController) comprises a display-memory and a display controller, described display-memory is in order to storing the input of this video and the digital video data of recognition processor output automatically, and described display controller is the displaying contents that is stored in the whole or a part of of data in this display-memory and was stored in this display controller originally to be made overlapping (Overlay) or the replacement processing exports each video transcoder again to.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, the display controller of described each indicative control unit (GraphicController) has a plurality of particular register, so that being provided, vertical and horizontal display width controls, vertically reaches horizontal signal interpolation (Interpolation) computing, and video displacement (Offset) computing, with video wall as the Video Segmentation computing.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, described display is a televisor.
Cut apart in the display card in the automatic identification video numeral of stating, wherein, described display is a computer screen (Monitor).
The automatic identification video numeral of the present invention is cut apart display card, because by use by this video input and automatic recognition processor (VIADP), the video that can discern input automatically is NTSC or PAL system, and video digitizer imported in the display controller, output after video transcoder multiple encoding reorganization again is so what no matter import is the video of which kind of system, all can discern automatically, need not change hardware; Simultaneously, the present invention is because after video transcoder multiple encoding output, frequently number (both all can NTSC and PAL can to export TV, can switch or the hardware setting by software), also can export the computer screen signal simultaneously, be connected to computer screen, therefore the video wall of forming can be made up of televisor, also can form, or exist simultaneously by computer screen; In addition, the present invention makes its interface cardization, to save cost and space because the program editing computer and the Video Segmentation control unit of the Video Segmentation system of prior art integrated.
By following the automatic identification video numeral of the present invention is cut apart the description of an embodiment of display card in conjunction with its accompanying drawing, can further connect purpose of the present invention, concrete mechanism characteristics and advantage.Wherein, accompanying drawing is:
Fig. 1 is a circuit block diagram of cutting apart display card according to the automatic identification video numeral that the present invention proposes;
Fig. 2 is the video input and the circuit block diagram of recognition processor automatically among the present invention.
The automatic identification video numeral of the present invention is cut apart display card, mainly is to be used for the video classification of identification input automatically, and video is cut apart as numeral, for demonstration.As shown in Figure 1, in the preferred embodiment of the present invention, comprise a bridge 2, a ROM of BIOS (BIOSROM) 3, video input and recognition processor 4, four groups of indicative control units 5, four groups of video transcoder 6, a display mode identification switch 7 and mu balanced circuits 8 automatically.
This bridge 2 is to electrically connect with the system bus 1 (being the form of a slot) of host computer, make one group of above indicative control unit 5 can be positioned on the same system bus 1 simultaneously, be to make four groups of indicative control units 5 can be positioned on the same system bus 1 simultaneously in preferred embodiment of the present invention, make the single display jig be equipped with multiple indicative control unit 5, thereby possess most video output terminals 9, this bridge 2 must be responsible for the system sequence (SystemClock) of dubbing system bus 1 in addition, system control signal (the IRDY among the PCIBUS for example, TRDY, FRAME, DEVSEL etc.) and address signal (AD0～AD31), and its output given each indicative control unit 5, in addition, this bridge 2 provides 16 set of pieces to choose control signal (IDSEL0～F), the user can set the element number (DeviceNumber) of indicative control unit 5 on demand, and can control and select the indicative control unit 5 of start.
This ROM of BIOS (BIOSROM) 3, be to electrically connect with each indicative control unit 5, system configuration search and initialize routine have been implanted in this ROM of BIOS 3, and each indicative control unit 5 is given in output, after making booting computer, cut apart each indicative control unit 5 on the display card in the automatic identification video numeral of the present invention and all can be initialised (Initialization) and be in standby (standby) state.
This video input and automatic recognition processor (VIADP) 4, be to export in order to the receiver, video input and with video digitizer, please cooperate referring to shown in Figure 2, this video input and automatic recognition processor 4 comprise a video input interface 40, one can detect an Automatic Frequency testing circuit 41 and the analog-digital converter 42 of 50HZ and 60HZ, this video input interface 40 is to import in order to receiver, video, and this automatic testing circuit 41 is given in output, this Automatic Frequency testing circuit 41 is can detect video source automatically and switch to NTSC or the PAL standard, and export analog-digital converter (A/DConverter) 42 to, and this analog-digital converter 42 can be with the video digitizer from these automatic testing circuit 41 inputs, and according to each indicative control unit 5 instruction down digitized video pressed designated specification (for example CR656/601) export, after indicative control unit 5 reception and carrying out computing, export this video output terminals 9 again to, each instruction writes or the sense order content via private bus 11 (for example IIC-BUS).
The flowing mode of doing of all indicative control units that are initialised (GraphicController) 5 exists together mutually with general display card, so no longer be described in detail at this, do not exist together in an explanation, its difference be in: the address/data signal of each indicative control unit 5 is from this bridge 2, but not this system bus 1, each indicative control unit 5 is by bridge 2 shared system bus slots.Each indicative control unit 5 can be received from the system information and the control signal of these bridge 2 outputs, and the digitized video that this video is imported and automatic recognition processor 4 is exported in locating, carry out the Video Segmentation computing then, each indicative control unit 5 also comprises a display-memory 50 and a display controller 51, this display-memory 50 is the digital video datas that store this video input and automatic recognition processor 4 outputs with its specific region (Videobuffer), and this display controller 51 displaying contents that can will be stored in the whole or a part of of data in this display-memory 50 and be stored in this display controller 51 originally makes overlapping (Overlay) or the replacement processing exports each video transcoder 6 again to, in addition, has particular register (Registors) in this display controller 51, in order to vertical and horizontal display width control to be provided, interior (Interpolation) computing of vertical and horizontal signal, reach functions such as video displacement (Offset) computing, to be used for the instrument of video wall as the Video Segmentation computing.
Each video transcoder (Encoder) 6, be to be a digital-to-analog video transcoder, the video data of handling in order to the display controller 51 that receives this indicative control unit 5, and become a TV frequently number and a computer screen signal its code conversion, export on TV and the computer screen via video output terminals 9.This TV output specification frequently number can be set by display mode identification switch 7, or can change by programmed control, this TV frequently number and this computer screen signal can exist simultaneously, and export on the corresponding display with identical or different content, and this computer screen signal can be merely the computer displaying contents of former display controller 51, also can be overlapping with video (Videooverlay) after output again, so, not only can make displaying contents diversification (Graphic﹠amp just; The Video coexistence), also can make display select diversification (just computer screen and televisor all can use).
This display mode identification switch 7 is and each indicative control unit 5 electrically connects, and is NTSC pattern or PAL pattern in order to set TV display mode frequently number.
This mu balanced circuit 8 is to electrically connect with each video transcoder 6, makes from the video quality (comprising color and image quality) of these video transcoder 6 outputs more stable.
As shown in Figure 1, the automatic identification video numeral of the present invention advantage of cutting apart the preferred embodiment of display card is:
(1) video source of intend playing, no matter it be NTSC or PAL signal, inserts this video input and automatically behind the recognition processor 4, meeting be detected and give digitizing automatically, exports to then in the display controller 51 of each indicative control unit 5.
(2) display controller 51 of each indicative control unit 5 is that digital video data with video input and recognition processor 4 outputs automatically is stored in the specific region (Videobuffer) of display-memory 50, according to instruction and according to the relative position of each display controller 51 in the matrix of video wall configuration n * n, calculating should be taken out corresponding data block in this digital video data, amplified or computing to scale, and the execution interpolative operation makes picture effect more level and smooth.
(3) by by the input of this display mode identification switch 7 and this video and automatically recognition processor 4 TV number can be set frequently and be adjusted into NTSC or PAL signal, to finish the work of video TV wall (VideoWall).
(4) can select to be output as computer screen signal or TV frequently number.
(5) computer screen can display video (Video) and cut apart after signal.
In sum, automatic identification digital video of the present invention is cut apart display card and can be reached purpose as described below and have following advantage:
(1) can be applicable to simultaneously NTSC and PAL video system, what no matter import is NTSC or PAL video system Video all can be identified automatically, need not change hardware.
(2) computer interface card, two machines (referring to program editing computer and Video segmentation controller) one is saved cost and is reached The space.
(3) displaying contents diversification can be video (Video), also can be drawing/type mode (Graphic/text).
(4) display is selected diversification, can be television set, also can be computer screen (Monitor).
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99123600 CN1115646C (en) | 1999-11-10 | 1999-11-10 | Automatic identification of video digital split display card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99123600 CN1115646C (en) | 1999-11-10 | 1999-11-10 | Automatic identification of video digital split display card |
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| Publication Number | Publication Date |
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| CN1296240A true CN1296240A (en) | 2001-05-23 |
| CN1115646C CN1115646C (en) | 2003-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 99123600 Expired - Fee Related CN1115646C (en) | 1999-11-10 | 1999-11-10 | Automatic identification of video digital split display card |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304999C (en) * | 2002-07-29 | 2007-03-14 | 精工爱普生株式会社 | Display method, display device for game computer, game computer and information display system |
| CN1324517C (en) * | 2002-02-14 | 2007-07-04 | 皇家飞利浦电子股份有限公司 | Method and system for person identification using video-speech matching |
| CN100411006C (en) * | 2003-09-29 | 2008-08-13 | 台达电子工业股份有限公司 | Identification code setting system, device and method for display |
| CN101620845B (en) * | 2008-06-30 | 2011-11-02 | 联想(北京)有限公司 | Media data processing device, graphic card, computer, display device and system |
| CN104412324A (en) * | 2012-06-22 | 2015-03-11 | Nec显示器解决方案株式会社 | Display device |
| CN109478395A (en) * | 2016-11-29 | 2019-03-15 | 华为技术有限公司 | A screen display method and electronic device |
-
1999
- 1999-11-10 CN CN 99123600 patent/CN1115646C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324517C (en) * | 2002-02-14 | 2007-07-04 | 皇家飞利浦电子股份有限公司 | Method and system for person identification using video-speech matching |
| CN1304999C (en) * | 2002-07-29 | 2007-03-14 | 精工爱普生株式会社 | Display method, display device for game computer, game computer and information display system |
| CN100411006C (en) * | 2003-09-29 | 2008-08-13 | 台达电子工业股份有限公司 | Identification code setting system, device and method for display |
| CN101620845B (en) * | 2008-06-30 | 2011-11-02 | 联想(北京)有限公司 | Media data processing device, graphic card, computer, display device and system |
| CN104412324A (en) * | 2012-06-22 | 2015-03-11 | Nec显示器解决方案株式会社 | Display device |
| US9961295B2 (en) | 2012-06-22 | 2018-05-01 | Nec Display Solutions, Ltd. | Display device |
| CN104412324B (en) * | 2012-06-22 | 2018-06-05 | Nec显示器解决方案株式会社 | Display device |
| CN109478395A (en) * | 2016-11-29 | 2019-03-15 | 华为技术有限公司 | A screen display method and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1115646C (en) | 2003-07-23 |
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