CN209545719U - A kind of point-to-point splicing system of video - Google Patents
A kind of point-to-point splicing system of video Download PDFInfo
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- CN209545719U CN209545719U CN201920739996.6U CN201920739996U CN209545719U CN 209545719 U CN209545719 U CN 209545719U CN 201920739996 U CN201920739996 U CN 201920739996U CN 209545719 U CN209545719 U CN 209545719U
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Abstract
The utility model embodiment discloses a kind of point-to-point splicing system of video, the system comprises image splitters, video frequency collection card, multi-screen video card computer, resolution ratio controls equipment and display equipment, support the input of multi-channel video signal source and the output of more display channels, has the characteristics of point-to-point splicing, What You See Is What You Get, it can be used for conventional LCD combination, projection fusion, advertisement machine centralized control, it is customized that resolution ratio can be carried out by resolution ratio control equipment, the resolution ratio for realizing the output of each display channel is resolution ratio actually required, it is particularly suitable for the abnormity splicing of non-standard resolution ratio, LED splicing, it both can be as the front end signal source of conventional video splicing device, it can also perfect substitution video splicing device, the video-splicings equipment such as video matrix, in practical applications, it can substantially shorten and broadcast Debug time is controlled, professional equipment purchase cost is reduced, reduces material-making expense, there is extensive market economy value.
Description
Technical field
The utility model embodiment is related to video-splicing technical field, and in particular to a kind of point-to-point splicing system of video.
Background technique
Video display technology is the widely applied technology of modern society, and a usual video source connects a display, when
Multipath video source may may require that more displays when showing simultaneously, occupancy resource is more, and multi-channel video splicing is a kind of
Multipath video source is carried out on mosaic screen by the video-splicings such as video-splicing processor, video matrix equipment while being spliced aobvious
The technology shown, mosaic screen can be spliced into extra large screen use, in fields such as some video conferences, monitoring or advertisement broadcastings, tool
There is biggish demand.Existing splicing equipment, which exists, can not achieve point-to-point transmission, and result of broadcast is barely satisfactory, is unable to satisfy not
The problems such as with the requirement of resolution ratio output, Broadcast Control debug time is long, and professional equipment purchase cost is high, restricted application.
Utility model content
For this purpose, the utility model embodiment provides a kind of point-to-point splicing system of video, to solve existing splicing equipment
In the presence of can not achieve point-to-point transmission, result of broadcast is barely satisfactory, is unable to satisfy the requirement of different resolution output, Broadcast Control debugging
The problems such as time is long, and professional equipment purchase cost is high, restricted application.
To achieve the goals above, the utility model embodiment provides the following technical solutions: a kind of point-to-point splicing of video
System, the system comprises image splitter, video frequency collection card, multi-screen video card computer, resolution ratio control equipment and displays to set
Standby, the image splitter connects the video frequency collection card, and the video frequency collection card connects the host of the multi-screen video card computer,
Set multi-screen video card in the host of the multi-screen video card computer, the resolution ratio control equipment include multiple EDID storage units and
The EDID main control unit connecting with the EDID storage unit, the EDID main control unit connect the multi-screen video card computer, institute
Stating multi-screen video card includes multiple output interfaces, and the output that the input terminal of the EDID storage unit is connected to the multi-screen video card connects
Mouthful, the output end of the EDID storage unit is connected to the display equipment.
Further, the EDID main control unit is connected to the com port or USB of the multi-screen video card computer by data line
Mouthful.
Further, the video frequency collection card is installed to the host of the multi-screen video card computer.
Further, the image splitter is mostly into a frame out divider, and the image splitter connects multiple views
Frequency source signal.
Further, the display equipment includes multiple mosaic display screens.
Further, the multi-screen video card computer is the multi-screen video card computer equipped with video Broadcast Control software.
Further, the image splitter connects the video frequency collection card by data line.
Further, the EDID main control unit connects the EDID storage unit by data line.
The utility model embodiment has the advantages that
The point-to-point splicing system of a kind of video that the utility model embodiment proposes, the system include image splitter, view
Frequency capture card, multi-screen video card computer, resolution ratio control equipment and display equipment, support multi-channel video signal source input and it is more
Display channel output, has the characteristics of point-to-point splicing, and in result of broadcast, control terminal is consistent with the complete picture in end is played, institute
See i.e. gained, can be used for conventional LCD combination, projection fusion, advertisement machine centralized control, controlling equipment by resolution ratio can be with
It is customized to carry out resolution ratio, realizes that the resolution ratio of each display channel output port is resolution ratio actually required, especially
Abnormity splicing, LED splicing suitable for non-standard resolution ratio, both can be as the front end signal of conventional video splicing device
Source, can also the video-splicings equipment such as perfect substitution video splicing device, video matrix can substantially contract in practical applications
Short Broadcast Control debug time reduces professional equipment purchase cost, reduces material-making expense, has extensive market economy value.
Detailed description of the invention
It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art
It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below
Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology
On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover
In enclosing.
Fig. 1 is a kind of structural schematic diagram for the point-to-point splicing system of video that the utility model embodiment 1 provides.
In figure: image splitter 100, multi-screen video card computer 300, resolution ratio control equipment 400, is shown video frequency collection card 200
Show equipment 500, multi-screen video card 600, host 310, video Broadcast Control software 320, EDID storage unit 410, EDID main control unit
420。
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is
The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection
Range.
Embodiment 1
First to this application involves noun be explained:
EDID (Extended Display Identification Data), i.e. expanded display recognition data, are videos
The data standard that normal structure VESA designs for the optimization display format that PC display is arranged.EDID includes the base of display equipment
This parameter, such as manufacturer, name of product, maximum row field frequency, supported resolution ratio are to realize plug-and-play feature behind
Data.The storage mode of EDID includes built-in and external two ways.EDID built-in manner, which refers to, writes on journey for EDID data
In sequence, EDID data are written in eeprom chip when smart television direct current is switched on, use when removes eeprom chip
The middle EDID data for obtaining smart television.The external mode of EDID, which refers to, directly writes on EDID data external eeprom chip
In, by showing that data channel is directly read by external equipment, without the control by smart television main program.
HDMI (High Definition Multimedia Interface, HDMI), i.e. high-definition multimedia interface,
A kind of digitized video/audio interface technology, be suitble to image transmission tailored version digital interface, can transmit simultaneously audio and
Video signal, the maximum data transmission speed are 48Gbps (2.1 editions), at the same without carried out before signal transmits D/A or mould/
Number conversion.HDMI interface has warm connection function.HPD (Hot Plug Detection), exactly in order to realize HDMI connection
Hot plug and design, briefly, when transmitting terminal access receiving end when, receiving end respond HPD signal to transmitting terminal, Jin Erfa
Sending end will start the channel DDC, and read receiving end EDID information, then carry out HDCP interaction, if mutual authentication success, depending on
Frequently, audio works normally, and otherwise connection failure, homologous ray does not have different processing.
DP (DisplayPort, DP), i.e. display interface are a kind of digital video interfaces, are mainly used for video source and show
Show the connection of the equipment such as device, and also support to carry audio, the data of USB and other forms, can be used for simultaneous transmission audio and view
It frequently, is first display communication port for relying on packetized data transmission technology, it both can be used for internal display connection,
It can be used for external display connection, its advantage is that less number of pins, so that it may realize higher resolution ratio.
DVI (Digital Visual Interface, DVI), i.e. digital visual interface, a kind of interface mark of international openness
Standard is widely used in the equipment such as PC, DVD, high definition television (HDTV), high-resolution projector.
SDI (serial digital interface, SDI), i.e. digital component serial line interface, by each ratio of data word
The interface that special and corresponding data are transmitted by single channel sequence.
As shown in Figure 1, the present embodiment proposes a kind of point-to-point splicing system of video, which includes image splitter
100, video frequency collection card 200, multi-screen video card computer 300, resolution ratio control equipment 400 and display equipment 500, which can be each
Part separate configuration also can be assembled as complete set of equipments.
Image splitter 100 connects video frequency collection card 200, and video frequency collection card 200 connects the master of multi-screen video card computer 300
Machine.Further, image splitter 100 connects video frequency collection card 200 by data line.Image splitter 100 is mostly to go out into one
Image splitter 100 has 4 segmentations, 9 segmentations, 16 segmentations several, and image splitter 100 may be implemented in high-resolution display
Multiple paths of video images is shown with full frame or multiwindow mode in equipment (projector, large-screen liquid crystal display television or DLP large-size screen monitors),
Each full frame of multi-channel video picture is exactly dwindled into arbitrary size and is placed in different location to group on the screen
Synthesize more picture segmentation displays.Image splitter 100 connects multiple video signal sources, for example can connect machine using HDMI interface
Top box connects computer using DP interface, connects game machine using DVI interface, and using SDI interface connection monitoring device etc.
Deng.In the installation of the video frequency collection card 200 at most host of screen display card computer 300, video frequency collection card (Video Capture card)
Also it is video card, the vision signal will mostly acquire into a frame out divider 100 inputs computer, and it is distinguishable to be converted into computer
Other numerical data, is stored in computer.It can mostly be provided into the combination of a frame out divider 100 and video frequency collection card 200
Matured product in the market can be used in more video signal source input functions, image splitter 100 and video frequency collection card 200.It is logical
It is broadcast the designated position for crossing dedicated video Broadcast Control software intercepts different video signal source dispensing to display 500 end of equipment
It puts, the cost of video acquisition can be greatly reduced in this in practical applications, and can reserve view as much as possible for splicing equipment
Frequency source signal input channel.
The main function of multi-screen video card computer 300 is to provide more display channel outputs, using X86 or Android framework, multi-screen
Multi-screen video card 600 is set in the host 310 of video card computer 300, multi-screen video card 600 includes multiple output interfaces.The function of multi-screen video card
It can be that a PC machine can be made to support more display/TVs, respectively different pictures is shown on different screens, several aobvious
Show that device/television set again can the big picture of one width of common combination.Further, multi-screen video card computer 300 is soft equipped with video Broadcast Control
The multi-screen video card computer 300 of part 320.If the resolution ratio of each final output port is consistent, computation can be directly used
All channels are fused into a complete broadcasting desktop, if output port resolution requirement is each by the Splicing model in system
Not identical, then can arrange in pairs or groups video Broadcast Control software 320 mature in the market, the display equipment added in video Broadcast Control software 320
Afterwards by engineering demand arrangement splicing, Broadcast Control scene in video Broadcast Control software 320 with finally show on display device 500
Video be it is synchronous carry out, realize the function of What You See Is What You Get.
Resolution ratio control equipment 400 is the core component of the point-to-point splicing system, and resolution ratio controls equipment 400 and wraps
The EDID main control unit 420 for including multiple EDID storage units 410 and being connect with EDID storage unit 410.EDID main control unit
420 connection multi-screen video card computers 300, further, EDID main control unit 420 is connected to multi-screen video card computer by data line
300 com port or USB port.Further, EDID main control unit 420 connects EDID storage unit 410 by data line.EDID
The input terminal of storage unit 410 is connected to the output interface of multi-screen video card 600, and the output end of EDID storage unit 410 is connected to
Show equipment 500.One EDID main control unit 420 can control multiple EDID storage units 410, each EDID storage unit
410 input terminal is connect by data line with the one of output interface of multi-screen video card 600, and output end is by data line and shows
Show that equipment 500 connects.EDID main control unit 420 connects multi-screen video card computer 300, can custom resolution as needed, realize
The resolution ratio of each output port is resolution ratio actually required, and EDID main control unit 420 and EDID storage unit 410 can
It is made of one, it is also possible to data line connection.EDID storage unit 410 has the function of simulative display (forcing output function), this function
Can may make will not upset splicing integral layout in the go offline process of reclosing of external connection display equipment 500.
Further, display equipment 500 may include multiple mosaic display screens, splice while realizing multi-channel video source signal
Display.
The point-to-point splicing system of a kind of video that the present embodiment proposes, has the characteristics of point-to-point splicing, in result of broadcast
On, control terminal is consistent with the complete picture in end is played, What You See Is What You Get, can be used for conventional LCD combination, projection fusion, advertisement
Machine centralized control is particularly suitable for abnormity splicing, the LED splicing of non-standard resolution ratio, both can be used as conventional video stitching portion
Manage the front end signal source of device, can also the video-splicings equipment such as perfect substitution video splicing device, video matrix, actually answering
It in, can substantially shorten Broadcast Control debug time, reduce professional equipment purchase cost, reduce material-making expense, have extensive
Market economy value.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of point-to-point splicing system of video, which is characterized in that the system comprises image splitters, video frequency collection card, more
Screen display card computer, resolution ratio control equipment and display equipment, the image splitter connect the video frequency collection card, the view
Frequency capture card connects the host of the multi-screen video card computer, sets multi-screen video card in the host of the multi-screen video card computer, and described point
Resolution controls the EDID main control unit that equipment includes multiple EDID storage units and connect with the EDID storage unit, described
EDID main control unit connects the multi-screen video card computer, and the multi-screen video card includes multiple output interfaces, and the EDID storage is single
The input terminal of member is connected to the output interface of the multi-screen video card, and the output end of the EDID storage unit is connected to the display
Equipment.
2. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the EDID main control unit is logical
Cross com port or USB port that data line is connected to the multi-screen video card computer.
3. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the video frequency collection card installation
To the host of the multi-screen video card computer.
4. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the image splitter is more
Into a frame out divider, the image splitter connects multiple video signal sources.
5. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the display equipment includes more
A mosaic display screen.
6. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the multi-screen video card computer is
Multi-screen video card computer equipped with video Broadcast Control software.
7. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the image splitter passes through
Data line connects the video frequency collection card.
8. the point-to-point splicing system of a kind of video according to claim 1, which is characterized in that the EDID main control unit is logical
It crosses data line and connects the EDID storage unit.
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