CN105472288A - Device and method for single-path to multiple-path conversion of V-BY-ONE video signals - Google Patents
Device and method for single-path to multiple-path conversion of V-BY-ONE video signals Download PDFInfo
- Publication number
- CN105472288A CN105472288A CN201510893550.5A CN201510893550A CN105472288A CN 105472288 A CN105472288 A CN 105472288A CN 201510893550 A CN201510893550 A CN 201510893550A CN 105472288 A CN105472288 A CN 105472288A
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- video
- vision signal
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses a device and a method for single-path to multiple-path conversion of V-BY-ONE video signals. The device comprises a man-machine interface module, a V-BY-ONE video receiving module, a V-BY-ONE protocol module, a V-BY-ONE video decoding module, a V-BY-ONE to RGB module, an RGB image resolution detection module, an RGB image caching module and a plurality of V-BY-ONE video output modules. The method is based on the device, and is used for reconstructing a V-BY-ONE image timing sequence at each local V-BY-ONE video output module according to one path of input V-BY-ONE video signals, and outputting multiple paths of V-BY-ONE image data from each local V-BY-ONE video output module to a to-be-tested module according to the timing sequence, thereby realizing a signal expansion function of one-path to multiple-path conversion of the V-BY-ONE video signals. The device and the method are suitable for verifying medium and large-scale modules; moreover, each V-BY-ONE video output module is parallel and independent, parameters can be adjusted separately, and each path of the V-BY-ONE video signals can be output independently and simultaneously, thus, the device and the method are suitable for simultaneously performing screen lighting verification for a mass of modules with the same resolution and different characteristics under different working environments.
Description
Technical field
The invention belongs to signal processing technology field, more specifically, relate to the device and method that a kind of V-BY-ONE vision signal single channel turns multichannel.
Background technology
V-BY-ONE liquid crystal module has been widely used in various display device, has wide in variety, complete in specifications, cheap advantage; Each module manufacturer is also at the various V-BY-ONE module of large-scale production.Along with the increase of V-BY-ONE liquid crystal module demand, for ensureing V-BY-ONE liquid crystal module quality, particularly important to the testing authentication of V-BY-ONE liquid crystal module.
Need to use image signal source to be supplied to liquid crystal module to produce benchmark image to the testing authentication of V-BY-ONE liquid crystal module, and an existing image signal source often can only supply a small amount of several tested liquid crystal module; And large-scale V-BY-ONE liquid crystal module test needs great amount of images signal source, and image signal source is with high costs, and cannot realize testing the module of different qualities under multiple test environment simultaneously, causes production efficiency reduction, production cost raising.
For this reason, need a kind of V-BY-ONE vision signal expansion scheme, the V-BY-ONE vision signal that can provide according to the image signal source of input, generates the identical V-BY-ONE vision signal of multichannel and supplies the detection of large-scale V-BY-ONE liquid crystal module as image signal source; Under being used in different test environments, the checking of same time point screen is carried out to the module of different qualities.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides the device and method that a kind of V-BY-ONE vision signal single channel turns multichannel, its object is to expansion V-BY-ONE video signal source.
For achieving the above object, according to one aspect of the present invention, provide the device that a kind of V-BY-ONE vision signal single channel turns multichannel, comprise a V-BY-ONE video signal input interface, V-BY-ONE video control signal input interface, a multiple V-BY-ONE video signal output interface, and solidify V-BY-ONE Video decoding module in a programmable logic device, V-BY-ONE protocol module, V-BY-ONE turn RGB module, RGB image resolution ratio detection module, rgb image data cache module and multiple V-BY-ONE Video Output Modules;
This programmable logic device have couple above-mentioned V-BY-ONE video signal input interface V-BY-ONE video signal input terminal, couple the V-BY-ONE video control signal input terminal of above-mentioned V-BY-ONE video control signal input interface and couple multiple V-BY-ONE video signal output terminals of each V-BY-ONE video signal output interface one by one;
Wherein, V-BY-ONE protocol module is connected with V-BY-ONE Video decoding module, V-BY-ONE Video decoding module and V-BY-ONE turn RGB model calling, V-BY-ONE turns RGB module and is connected with RGB image resolution ratio detection module and rgb image data cache module, and RGB image resolution ratio detection module is connected with each V-BY-ONE Video Output Modules with rgb image data cache module; Each V-BY-ONE Video Output Modules is parallel independent, noiseless each other, and can respective independent parameters;
V-BY-ONE Video decoding module couples described V-BY-ONE video signal input interface by V-BY-ONE video signal input terminal, and V-BY-ONE protocol module and each V-BY-ONE Video Output Modules all couple described video control signal input interface by V-BY-ONE video control signal input terminal; Each V-BY-ONE Video Output Modules has a V-BY-ONE VT, this V-BY-ONE VT couples V-BY-ONE video signal output interface by V-BY-ONE video signal output terminal, by V-BY-ONE video signal output interface V-BY-ONE vision signal is sent to the V-BY-ONE liquid crystal module to be measured in respective channel.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the device of multichannel, also comprises human-machine interface module; Human-machine interface module has outside display interface and external command input interface; This human-computer interaction module is used for generating V-BY-ONE video control signal according to external command, is sent to V-BY-ONE protocol module and each V-BY-ONE Video Output Modules by V-BY-ONE video control signal input terminal; Also for the state information of whole device is exported by outside display interface.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the device of multichannel, also comprises V-BY-ONE video reception module; This V-BY-ONE video reception module is solidified in above-mentioned programmable logic device, its first end couples described V-BY-ONE video signal input interface by described V-BY-ONE video signal input terminal, second end connects above-mentioned human-computer interaction module by above-mentioned V-BY-ONE video control signal input terminal, and the 3rd end is connected with above-mentioned V-BY-ONE Video decoding module; V-BY-ONE video reception module be used for the V-BY-ONE vision signal received from image signal source is electrically adjusted, time delay adjust and demodulation process, obtain the parallel demodulation data of each link.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the device of multichannel, and its V-BY-ONE video reception module comprises reception matching module, electrically rebuilds module, time delay alignment module and demodulation module;
Wherein, receive matching module and electrically rebuild model calling, electric rebuild module and be connected with time delay alignment module, time delay alignment module is connected with demodulation module; Receive the input of matching module as the first end of V-BY-ONE video reception module, the output of demodulation module is as the 3rd end of V-BY-ONE video reception module; Receive matching module control end, electrically rebuild the control end of module controls end, time delay alignment module control end and demodulation module side by side as the second end of V-BY-ONE video reception module;
Wherein, receive matching module to be used for being terminated and impedance matching to the V-BY-ONE vision signal of reception; Electric reconstruction module is used for adjudicating according to electrical standard the output signal receiving matching module and regenerating, and obtains the V-BY-ONE signal with standard electrical characteristic; Time delay alignment module, for the clock signal of each link V-BY-ONE signal inside of aliging and data-signal, makes between the data-signal of each link inside, aligns between data-signal and clock signal; The data-signal that demodulation module adopts the clock signal of each link parallel to each is sampled and demodulation, obtains the parallel demodulation bus data of each link.
Preferably, above-mentioned reception matching module comprises multiple reception matched sub-block, and electrically reconstruction module comprises multiple electric reconstruction submodule, time delay alignment module comprises multiple time delay alignment submodule, demodulation module comprises multiple demodulation submodule; Receive matched sub-block, electrically rebuild submodule, time delay alignment submodule is identical with the number of demodulation submodule.
Preferably, each demodulation submodule has self-calibration function, can carry out self calibration, clock can correctly be sampled and each data-signal of demodulation, the error avoiding external environmental interference to cause and drift according to the alignment time interval arranged; When the interference of certain link is more serious, the interval of calibration of the demodulation submodule that this link is corresponding arranges shorter, to improve the reliability of demodulation operation.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the device of multichannel, and its V-BY-ONE Video Output Modules comprises local image sequence generation module, output channel view data cache module, RGB image generating module, V-BY-ONE vision signal modular converter, V-BY-ONE time delay adjusting module, V-BY-ONE vision signal accepts module and V-BY-ONE vision signal divides panel module;
Wherein, local image sequence generation module is all connected with RGB image generating module with output link view data cache module, RGB image generating module is connected with V-BY-ONE vision signal modular converter, V-BY-ONE vision signal modular converter is connected with V-BY-ONE time delay adjusting module, V-BY-ONE time delay adjusting module and V-BY-ONE vision signal accept model calling, and V-BY-ONE vision signal accepts module and V-BY-ONE vision signal split screen model calling;
The input of local image sequence generation module, as the second end of V-BY-ONE Video Output Modules, connects RGB image resolution ratio detection module; The input of output link view data cache module, as the 3rd end of V-BY-ONE Video Output Modules, connects rgb image data cache module; V-BY-ONE vision signal divides the output of panel module as the V-BY-ONE VT of V-BY-ONE Video Output Modules;
Wherein, local image sequence generation module is for obtaining the some screen clock signal of V-BY-ONE liquid crystal module to be measured in respective channel according to the resolution of benchmark image and V-BY-ONE liquid crystal module time sequence parameter to be measured; Output link view data cache module is used for caching image data; RGB image generating module is used for the view data receiving buffer memory according to above-mentioned some screen clock signal, produces the screen of the point needed for the module to be measured RGB picture signal of respective links;
Above-mentioned some screen RGB picture signal is converted to V-BY-ONE vision signal by V-BY-ONE vision signal modular converter, splits, recombinates, bit rearrangement, generate the V-BY-ONE parallel data of each output link to the data of each link;
V-BY-ONE time delay adjusting module is used for adjusting the clock of output link inside and the time delay of data-signal, makes the V-BY-ONE signal of each link can arrive module to be measured after cable simultaneously; V-BY-ONE vision signal accepts module and carries out merging treatment for each link V-BY-ONE vision signal exported V-BY-ONE time delay adjusting module;
V-BY-ONE vision signal divides panel module to comprise, and 4lane divides panel module, 8lane divides panel module and 16lane divides panel module; For carrying out split screen process to V-BY-ONE vision signal; 4lane divides panel module for the V-BY-ONE vision signal of reception being cut into 4Lane not split screen, 4lane2 split screen, 4lane4 split screen 3 kinds of patterns; 8lane divides panel module for the V-BY-ONE vision signal of reception being cut into 8lane not split screen, 8lane2 split screen, 8lane4 split screen 3 kinds of patterns; 16lane divides panel module for the V-BY-ONE vision signal of input being cut into 16lane not split screen, 16lane2 split screen, 16lane4 split screen 3 kinds of patterns.
Preferably, above-mentioned each V-BY-ONE Video Output Modules all can separate configurations V-BY-ONE video coding parameter and transformation parameter; According to a road V-BY-ONE vision signal of input, the multichannel V-BY-ONE vision signal with different qualities can be generated; Can be used for supplying simultaneously and multiplely there is equal resolution and there is the V-BY-ONE liquid crystal module of different display characteristic.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the device of multichannel, and its V-BY-ONE Video Output Modules also comprises V-BY-ONE signal driver module; V-BY-ONE signal driver module and V-BY-ONE vision signal split screen model calling; The output of V-BY-ONE signal driver module is as the V-BY-ONE VT of V-BY-ONE Video Output Modules; This V-BY-ONE signal driver module is for adjusting output electrical characteristic and the transmission characteristic of the V-BY-ONE vision signal of each passage.
For realizing the object of the invention, according to another aspect of the present invention, providing a kind of method that V-BY-ONE vision signal single channel turns multichannel, comprising the steps:
(1) V-BY-ONE agreement is resolved, produce V-BY-ONE group bag data;
(2) according to decoding relevant parameter and V-BY-ONE group bag data, V-BY-ONE parallel demodulation bus data to be decoded, union operation, recover the V-BY-ONE benchmark image signal of image signal source;
Wherein, decoding relevant parameter comprises VESA, JEIDA transmission standard, 6 ~ 10bit image tonescale, synchronizing signal forward and reverse, chain way;
(3) above-mentioned V-BY-ONE benchmark image signal is converted to rgb video signal;
(4) the above-mentioned rgb video signal data of buffer memory; Meanwhile, horizontal resolution and the vertical resolution of its image is gone out according to the synchronization signal detection of benchmark image;
(5) the some screen clock signal of module to be measured corresponding to each link is obtained according to the time sequence parameter of the resolution of the V-BY-ONE benchmark image module to be measured corresponding with output link; Receive the output channel view data of buffer memory according to this some screen clock signal, and according to the Image Coding parameter of the module to be measured preset, output channel view data is converted to the some screen RGB picture signal that each passage is corresponding;
(6) above-mentioned some screen RGB picture signal is carried out to segmentation, the restructuring of each link data, bit rearrangement, generates the V-BY-ONE parallel data of each output link;
(7) adjust the clock of V-BY-ONE vision signal inside and the time delay of data-signal of each output link, make the V-BY-ONE vision signal of all links all can arrive V-BY-ONE liquid crystal module to be measured after stube cable simultaneously;
(8) each link V-BY-ONE adjusted through time delay is merged, and carry out split screen process.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the method for multichannel, also comprises the steps (9) after step (8):
(9) output electrical characteristic and transmission characteristic adjustment are carried out to the V-BY-ONE vision signal of each link after time delay adjustment, make the quality of the V-BY-ONE vision signal of each link arriving module to be measured and signal amplitude all can reach module and receive requirement; Wherein, output electrical characteristic and transmission characteristic adjustment comprise preemphasis adjustment, the adjustment of driving intensity, the electric range-adjusting of V-BY-ONE, Slew Rate adjust and output impedance adjusts.
Preferably, above-mentioned V-BY-ONE vision signal single channel turns the method for multichannel, and the single channel V-BY-ONE vision signal of its input is from image signal source; Before step (2), also comprise the V-BY-ONE vision signal that image signal source is sent and adjust and the step of demodulation, specific as follows:
A () receives the V-BY-ONE link vision signal that image signal source sends, be terminated, impedance matching and signal equalization and amplification to the input signal of each link;
B () is according to V-BY-ONE electrical standard, signal decision and reconstruction are carried out to each link V-BY-ONE signal after step (a) adjustment, eliminate input signal overshoot, undershoot and burr, export the V-BY-ONE vision signal with standard electrical characteristic, to avoid interference the erroneous judgement causing subsequent module;
C () processes the above-mentioned delay had between the clock of each link inside of V-BY-ONE vision signal of standard electrical characteristic and data-signal, make to keep between each data-signal, between data-signal with clock signal aliging;
In this step, because the delay variance of each link is different, the internal clocking of each link, data delay are adjusted respectively;
D () adopts the clock signal of each link to sample and demodulation to data-signal parallel in respective link, obtain the V-BY-ONE parallel demodulation bus data of each link.
In general, the above technical scheme conceived by the present invention compared with prior art, can obtain following beneficial effect:
(1) V-BY-ONE vision signal single channel provided by the invention is adopted to turn the apparatus and method of multichannel, can according to 1 road V-BY-ONE vision signal, obtain the V-BY-ONE vision signal that multichannel is used for the test of a large amount of liquid crystal module point screen, realize the expansion to V-BY-ONE vision signal;
(2) V-BY-ONE vision signal single channel provided by the invention turns the device of multichannel, carries out Lag synchronization control and signal reconstruction, eliminate the reception mistake because transmission cable and external disturbance may cause to the V-BY-ONE vision signal of input;
(3) V-BY-ONE vision signal single channel provided by the invention turns the device of multichannel, multiple output interface can export V-BY-ONE vision signal simultaneously, and due to each V-BY-ONE Video Output Modules independence mutually, therefore independent of one another between the V-BY-ONE vision signal of each road, do not interfere with each other; Each V-BY-ONE Video Output Modules all can adjust separately image time sequence parameter, V-BY-ONE Video coding mode, V-BY-ONE chain way, exports driving, exports transmission characteristic, exports V-BY-ONE electrical characteristic, export delay parameter; Be applicable to in a large number there is equal resolution but the discrepant module of characteristic under different operating environment, to carry out some screen checking simultaneously;
(4) V-BY-ONE vision signal single channel provided by the invention turns the device of multichannel, and each road V-BY-ONE vision signal of output can use under different operational environments and transmission cable simultaneously; Simple to operate, without the need to other auxiliary equipment, be applicable to large scale test;
(5) V-BY-ONE vision signal single channel provided by the invention turns the device of multichannel, and FPGA (field programmable logic array) chip can be adopted to realize, and has reliable operation, cheap, the feature of being convenient to later maintenance and upgrading.
Accompanying drawing explanation
Fig. 1 is the functional block diagram that V-BY-ONE vision signal single channel provided by the invention turns multiple-pass unit;
Fig. 2 is the functional block diagram that V-BY-ONE vision signal single channel that the embodiment of the present invention provides turns multiple-pass unit;
Fig. 3 is the V-BY-ONE video reception module diagram in the embodiment of the present invention;
Fig. 4 is V-BY-ONE Video Output Modules passage 1 schematic diagram in the embodiment of the present invention;
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein: 1-human-machine interface module, 2-receives matching module, 3-electrically rebuilds module, 4-time delay alignment module, 5-demodulation module, 6-V-BY-ONE protocol module, 7-V-BY-ONE Video decoding module, 8-V-BY-ONE turns RGB module, 9-RGB view data cache module, 10-RGB image resolution ratio detection module, the local image sequence generation module of 11-, 12-output channel view data cache module, 13-RGB image generating module, 14-V-BY-ONE vision signal modular converter, 15-V-BY-ONE time delay adjusting module, 16-V-BY-ONE vision signal accepts module, 17-V-BY-ONE vision signal divides panel module, 18-V-BY-ONE signal driver module, 2-1-first receives matched sub-block, 2-2-second receives matched sub-block, 2-N-N receives matched sub-block, 3-1-first electrically rebuilds submodule, 3-2-second electrically rebuilds submodule, 3-N-N electrically rebuilds submodule, 4-1-first time delay alignment submodule, 4-2-second time delay alignment submodule, 4-N-N time delay alignment submodule, 5-1-first demodulation submodule, 5-2-second demodulation submodule, 5-N-N demodulation submodule, 15-1-the one V-BY-ONE time delay adjustment submodule, 15-2-the 2nd V-BY-ONE time delay adjustment submodule, 15-N-NV-BY-ONE time delay adjustment submodule, 17-1-4Lane split screen submodule, 17-2-8Lane split screen submodule, 17-3-16Lane split screen submodule.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
V-BY-ONE vision signal single channel provided by the invention turns multiple-pass unit, its functional block diagram as shown in Figure 1, comprise a V-BY-ONE video signal input interface, V-BY-ONE video control signal input interface, a multiple V-BY-ONE video signal output interface and solidify V-BY-ONE protocol module 6 in programmable logic device, V-BY-ONE Video decoding module 7, V-BY-ONE turn RGB module 8, rgb image data cache module 9, RGB image resolution ratio detection module 10 and multiple V-BY-ONE Video Output Modules;
Wherein, V-BY-ONE protocol module 6 is connected with V-BY-ONE Video decoding module 7, V-BY-ONE Video decoding module 7 and V-BY-ONE turn RGB module 8 and are connected, V-BY-ONE turns RGB module 8 and is connected with RGB image resolution ratio detection module 10 and rgb image data cache module 9, and RGB image resolution ratio detection module 10 is connected with each V-BY-ONE Video Output Modules with rgb image data cache module 9; Each V-BY-ONE Video Output Modules is parallel independent, noiseless each other, and can respective independent parameters;
Wherein, V-BY-ONE Video decoding module 7 couples described V-BY-ONE video signal input interface by V-BY-ONE video signal input terminal, and V-BY-ONE protocol module 6 and each V-BY-ONE Video Output Modules all couple described video control signal input interface by V-BY-ONE video control signal input terminal; Each V-BY-ONE Video Output Modules has multiple passage V-BY-ONE VT, each passage V-BY-ONE VT couples V-BY-ONE video signal output interface by V-BY-ONE video signal output terminal, by V-BY-ONE video signal output interface V-BY-ONE vision signal is sent to the V-BY-ONE liquid crystal module to be measured in respective channel.
Shown in Fig. 2, be the functional block diagram that V-BY-ONE vision signal single channel that the embodiment of the present invention provides turns multiple-pass unit, comprise human-machine interface module 1, V-BY-ONE protocol module 6, V-BY-ONE Video decoding module 7, V-BY-ONE turn RGB module 8, rgb image data cache module 9, RGB image resolution ratio detection module 10 and multiple V-BY-ONE Video Output Modules;
In the present embodiment, the functional block diagram of V-BY-ONE video reception module as shown in Figure 3, comprises and receives matching module 2, electrically reconstruction module 3, time delay alignment module 4 and demodulation module 5; Receive matching module and comprise N number of reception matched sub-block 2-1 ~ 2-N, electric reconstruction module comprises N number of electric reconstruction submodule 3-1 ~ 3-N, time delay alignment module comprises N number of time delay alignment submodule 4-1 ~ 4-N, and demodulation module comprises N number of demodulation submodule 5-1 ~ 5-N.
The functional block diagram of a V-BY-ONE Video Output Modules passage as shown in Figure 4, comprises local image sequence generation module 11, output channel view data cache module 12, RGB image generating module 13, V-BY-ONE vision signal modular converter 14, V-BY-ONE time delay adjusting module 15, V-BY-ONE vision signal accepts module 16, V-BY-ONE vision signal divides panel module 17 and V-BY-ONE signal driver module 18;
V-BY-ONE time delay adjusting module 16 comprises N number of V-BY-ONE time delay adjustment submodule 16-1 ~ 16-N; V-BY-ONE vision signal divides panel module 17 to comprise, and 4lane divides panel module, 8lane divides panel module and 16lane divides panel module; Wherein, N is greater than 2.
The V-BY-ONE vision signal single channel provided based on the present embodiment turns multiple-pass unit, and realizing V-BY-ONE vision signal single channel, to turn the process of multichannel specific as follows:
(1) outside V-BY-ONE vision signal input parameter and Ge Lu output V-BY-ONE video signal parameter is received by human-machine interface module 1; Above-mentioned each Parameter Switch is become V-BY-ONE video control signal by human-machine interface module 1;
(2) receive the V-BY-ONE link vision signal that matching module 2 receives image signal source transmission, receive each submodule corresponding V-BY-ONE vision signal receiving each link respectively of matching module 2; In embodiment, submodule 2-1 respective links 0, submodule 2-2 respective links 1 ..., submodule 2-N respective links (N-1);
Each reception matched sub-block is terminated and impedance matching to the V-BY-ONE vision signal of each passage respectively; Under complicated environment for use, transmission characteristic and the suffered interference of the transmission cable of each passage are inconsistent, can adjust according to the impedance matching value of on-site actual situations to each submodule receiving matching module 2;
Because the V-BY-ONE signal of each passage exists signal attenuation and distortion when comparatively long range propagation, the each submodule receiving matching module 2 also carries out signal equalization and amplification to each passage V-BY-ONE vision signal, improve signal amplitude and signal quality, to eliminate by transmitting the image error code caused; The equal adjustable of the balance parameters of each passage, amplifying parameters;
(3) electrically rebuild module 3 and signal reconstruction is carried out to each link V-BY-ONE signal receiving matching module 2 output; Concrete, each submodule of electric reconstruction module 3 is adjudicated according to V-BY-ONE electrical standard each passage V-BY-ONE signal received and regenerates, to eliminate the overshoot of input signal, undershoot, burr, export the V-BY-ONE vision signal with standard electrical characteristic; Wherein, V-BY-ONE electrical standard comprises the minimum and maximum of the minimum and maximum of high level, low level, signal swing rate, shake;
(4) eliminate the clock of each link inside of V-BY-ONE and the delay of data of electrically rebuilding module 3 output, make to keep between each data-signal, between data-signal with clock signal aliging;
Transmission cable characteristics due to each passage causes the delay variance of each passage all not identical; The clock of each passage, the delay of data are adjusted respectively, makes clock and the alignment of data of each channel interior;
(5) demodulation module 5 is to the V-BY-ONE signal after each passage alignment, adopts the clock signal of each link to sample and demodulation to each parallel data signal, obtains the parallel demodulation data of each link;
In the present embodiment, each submodule of demodulation module 5 has self-calibration function; After the calibration intervals preset, each submodule carries out self calibration respectively, clock signal is correctly sampled and each data-signal of demodulation, to avoid interference the error or drift that cause; For the link that interference is more serious, the calibration intervals of the submodule of the module 5 corresponding to it is shorter;
(6) V-BY-ONE protocol module 6 is resolved V-BY-ONE agreement according to video control signal, produces V-BY-ONE group bag data;
(7) V-BY-ONE Video decoding module 7 is according to V-BY-ONE group bag data and decoding parametric, decodes, union operation to each channel parallel demodulating data, recovers the V-BY-ONE benchmark image signal of image signal source; Wherein, decoding parametric comprises VESA, JEIDA transmission standard, 6 ~ 10bit image tonescale, synchronizing signal forward and reverse, transmission channel number;
(8) V-BY-ONE turns RGB module 8, by above-mentioned, V-BY-ONE benchmark image signal is converted to rgb video signal;
(9) the above-mentioned rgb video signal of rgb image data cache module 9 buffer memory, makes each road V-BY-ONE exported keep continuously uninterrupted; Meanwhile, RGB image resolution ratio detection module 10 is according to its image level of the synchronous signal obtaining of benchmark image and vertical resolution; Wherein, the synchronizing signal of benchmark image comprises VSYNC (field sync signal), HSYNC (line synchronizing signal) and DE (data enable signal);
(10) in embodiment, each V-BY-ONE Video Output Modules is all parallel independent, and each V-BY-ONE Video Output Modules inside has identical submodule, processes identical to the received signal; Be described for V-BY-ONE Video Output Modules 1 below; Local image sequence generation module 11 obtains the some screen clock signal of the module to be measured on corresponding passage 1 according to the time sequence parameter (row field crop, back porch, synchronous pulsewidth) of the resolution of said reference image and module to be measured; RGB image generating module 13 receives the caching image data of output channel view data cache module 12 output according to this clock signal, according to the Image Coding parameter of the module to be measured of passage 1 correspondence, the point generating the to be measured module corresponding with passage 1 shields RGB picture signal;
Wherein, Image Coding parameter comprises VESA, JEIDA standard, 6bit ~ 10bit color range, RGB order, and synchronizing signal is reverse;
(10) by V-BY-ONE vision signal modular converter 14, above-mentioned some screen RGB picture signal is carried out segmentation, the restructuring of each link data, bit rearrangement, produces the V-BY-ONE parallel data of each output link;
(11) by V-BY-ONE time delay adjusting module 15, each clock of link inside exported, the time delay of data-signal are adjusted, make output signal after transmission cable, the V-BY-ONE signal of all links arrives module side to be measured all simultaneously;
(12) each link V-BY-ONE adjusted through time delay is merged, and carry out split screen process;
(13) by V-BY-ONE signal driver module 17, electrical characteristic is exported to the V-BY-ONE of each passage, transmission characteristic arranges, comprise preemphasis, drive intensity, the electric amplitude of V-BY-ONE, Slew Rate, output impedance; Make the multichannel V-BY-ONE vision signal that exports by under the transmission cable of different qualities and interference effect, arrive the reception requirement that the signal quality of module to be measured and signal amplitude all meet V-BY-ONE liquid crystal module, guarantee that module can be verified by reliable and stable long screen.
This V-BY-ONE vision signal single channel that embodiment provides turns multiple-pass unit, and for a road V-BY-ONE vision signal of input, exportable multichannel V-BY-ONE vision signal, verifies in being suitable for carrying out module on a large scale; And each road V-BY-ONE vision signal can export simultaneously, but it is independent of one another, do not interfere with each other, its image time sequence parameter, V-BY-ONE Video coding mode, V-BY-ONE transmission channel number, output drive, export transmission characteristic, export V-BY-ONE electrical characteristic, export the parameters such as time delay all can adjust separately, be applicable to, to a large amount of, there is equal resolution, to there is the module of different qualities under different operating environment, the checking of same time point screen can be carried out.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a V-BY-ONE vision signal single channel turns the device of multichannel, it is characterized in that, described device comprises a V-BY-ONE video signal input interface, V-BY-ONE video control signal input interface, a multiple V-BY-ONE video signal output interface, and solidify V-BY-ONE Video decoding module in a programmable logic device, V-BY-ONE protocol module, V-BY-ONE turn RGB module, RGB image resolution ratio detection module, rgb image data cache module and multiple V-BY-ONE Video Output Modules;
Described programmable logic device has the V-BY-ONE video signal input terminal coupling described V-BY-ONE video signal input interface, the V-BY-ONE video control signal input terminal coupling described V-BY-ONE video control signal input interface and couples multiple V-BY-ONE video signal output terminals of each described V-BY-ONE video signal output interface one by one;
Described V-BY-ONE protocol module is connected with V-BY-ONE Video decoding module, V-BY-ONE Video decoding module and V-BY-ONE turn RGB model calling, V-BY-ONE turns RGB module and is connected with RGB image resolution ratio detection module and rgb image data cache module, and RGB image resolution ratio detection module is connected with each V-BY-ONE Video Output Modules with rgb image data cache module; Each V-BY-ONE Video Output Modules is parallel independent, all can separate configurations V-BY-ONE video coding parameter and transformation parameter, according to a road V-BY-ONE vision signal of input, can generate the multichannel V-BY-ONE vision signal with different qualities;
Described V-BY-ONE Video decoding module couples described V-BY-ONE video signal input interface by V-BY-ONE video signal input terminal, and V-BY-ONE protocol module and each V-BY-ONE Video Output Modules all couple described video control signal input interface by V-BY-ONE video control signal input terminal; Each described V-BY-ONE Video Output Modules has a V-BY-ONE VT, and this V-BY-ONE VT couples V-BY-ONE video signal output interface by V-BY-ONE video signal output terminal.
2. device as claimed in claim 1, it is characterized in that, described device also comprises human-machine interface module; Described human-machine interface module has outside display interface and external command input interface; This human-computer interaction module is used for generating V-BY-ONE video control signal according to external command, is sent to V-BY-ONE protocol module and each V-BY-ONE Video Output Modules by V-BY-ONE video control signal input terminal; Also for the state information of whole device is exported by outside display interface.
3. device as claimed in claim 2, it is characterized in that, described device also comprises V-BY-ONE video reception module; Described V-BY-ONE video reception module is solidified in described programmable logic device, its first end couples described V-BY-ONE video signal input interface by described V-BY-ONE video signal input terminal, second end connects described human-computer interaction module by described V-BY-ONE video control signal input terminal, and the 3rd end is connected with described V-BY-ONE Video decoding module.
4. device as claimed in claim 3, is characterized in that, described V-BY-ONE video reception module comprises reception matching module, electrically rebuilds module, time delay alignment module and demodulation module;
Described reception matching module with electrically rebuild model calling, electrically rebuild module and be connected with time delay alignment module, time delay alignment module is connected with demodulation module; Receive the input of matching module as the first end of V-BY-ONE video reception module, the output of demodulation module is as the 3rd end of V-BY-ONE video reception module; Receive matching module control end, electrically rebuild the control end of module controls end, time delay alignment module control end and demodulation module side by side as the second end of V-BY-ONE video reception module.
5. device as claimed in claim 4, it is characterized in that, described reception matching module comprises multiple reception matched sub-block, and electrically reconstruction module comprises multiple electric reconstruction submodule, time delay alignment module comprises multiple time delay alignment submodule, demodulation module comprises multiple demodulation submodule; Receive matched sub-block, electrically rebuild submodule, time delay alignment submodule is identical with the number of demodulation submodule.
6. device as claimed in claim 5, it is characterized in that, each described demodulation submodule has self-calibration function, can carry out self calibration according to the alignment time interval arranged, clock can correctly be sampled and each data-signal of demodulation, the error avoiding external environmental interference to cause and drift.
7. device as claimed in claim 1, it is characterized in that, described V-BY-ONE Video Output Modules comprises local image sequence generation module, output channel view data cache module, RGB image generating module, V-BY-ONE vision signal modular converter, V-BY-ONE time delay adjusting module, V-BY-ONE vision signal accepts module and V-BY-ONE vision signal divides panel module;
Described local image sequence generation module is all connected with RGB image generating module with output link view data cache module, RGB image generating module is connected with V-BY-ONE vision signal modular converter, V-BY-ONE vision signal modular converter is connected with V-BY-ONE time delay adjusting module, V-BY-ONE time delay adjusting module and V-BY-ONE vision signal accept model calling, and V-BY-ONE vision signal accepts module and V-BY-ONE vision signal split screen model calling;
The input of described local image sequence generation module is as the second end of V-BY-ONE Video Output Modules; The input of output link view data cache module is as the 3rd end of V-BY-ONE Video Output Modules; V-BY-ONE vision signal divides the output of panel module as the V-BY-ONE VT of V-BY-ONE Video Output Modules.
8. device as claimed in claim 7, is characterized in that, described V-BY-ONE vision signal divide panel module to comprise 4lane arranged side by side divides panel module, 8lane divides panel module and 16lane divides panel module.
9. device as claimed in claim 8, it is characterized in that, described V-BY-ONE Video Output Modules also comprises V-BY-ONE signal driver module; V-BY-ONE signal driver module and V-BY-ONE vision signal split screen model calling; The output of V-BY-ONE signal driver module is as the V-BY-ONE VT of V-BY-ONE Video Output Modules.
10. the V-BY-ONE vision signal single channel turning the device of multichannel based on the V-BY-ONE vision signal single channel described in any one of claim 1 to 9 turns a method for multichannel, and it is characterized in that, described method comprises the steps:
(1) V-BY-ONE agreement is resolved, produce V-BY-ONE group bag data;
(2) according to decoding relevant parameter and V-BY-ONE group bag data, V-BY-ONE parallel demodulation bus data to be decoded, union operation, recover the V-BY-ONE benchmark image signal of image signal source;
(3) described V-BY-ONE benchmark image signal is converted to rgb video signal;
(4) rgb video signal data described in buffer memory; Meanwhile, horizontal resolution and the vertical resolution of its image is gone out according to the synchronization signal detection of benchmark image;
(5) the some screen clock signal of module to be measured corresponding to each link is obtained according to the time sequence parameter of the resolution of the V-BY-ONE benchmark image module to be measured corresponding with output link; Receive the output channel view data of buffer memory according to this some screen clock signal, and according to the Image Coding parameter of the module to be measured preset, output channel view data is converted to the some screen RGB picture signal that each passage is corresponding;
(6) described screen RGB picture signal is carried out to segmentation, the restructuring of each link data, bit rearrangement, generates the V-BY-ONE parallel data of each output link;
(7) adjust the clock of V-BY-ONE vision signal inside and the time delay of data-signal of each output link, make the V-BY-ONE vision signal of all links all can arrive V-BY-ONE liquid crystal module to be measured after stube cable simultaneously;
(8) each link V-BY-ONE adjusted through time delay is merged, and carry out split screen process.
11. V-BY-ONE vision signal single channel as claimed in claim 10 turn the method for multichannel, it is characterized in that, also comprise the steps (9) after step (8):
(9) output electrical characteristic and transmission characteristic adjustment are carried out to the V-BY-ONE vision signal of each link after time delay adjustment, make the quality of the V-BY-ONE vision signal of each link arriving module to be measured and signal amplitude all can reach module and receive requirement; Wherein, output electrical characteristic and transmission characteristic adjustment comprise preemphasis adjustment, the adjustment of driving intensity, the electric range-adjusting of V-BY-ONE, Slew Rate adjust and output impedance adjusts.
12. V-BY-ONE vision signal single channel as claimed in claim 10 turn the method for multichannel, and it is characterized in that, described V-BY-ONE vision signal single channel turns the method for multichannel, and the single channel V-BY-ONE vision signal of its input is from image signal source; Before step (2), also comprise the V-BY-ONE vision signal that image signal source is sent and adjust and the step of demodulation, specific as follows:
A () receives the V-BY-ONE link vision signal that image signal source sends, be terminated, impedance matching and signal equalization and amplification to the input signal of each link;
B () is according to V-BY-ONE electrical standard, signal decision and reconstruction are carried out to each link V-BY-ONE signal after step (a) adjustment, eliminate input signal overshoot, undershoot and burr, export the V-BY-ONE vision signal with standard electrical characteristic, to avoid interference the erroneous judgement causing subsequent module;
C () processes the above-mentioned delay had between the clock of each link inside of V-BY-ONE vision signal of standard electrical characteristic and data-signal, make to keep between each data-signal, between data-signal with clock signal aliging;
D () adopts the clock signal of each link to sample and demodulation to data-signal parallel in respective link, obtain the V-BY-ONE parallel demodulation bus data of each link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893550.5A CN105472288B (en) | 2015-12-05 | 2015-12-05 | A kind of V-BY-ONE vision signals single channel turns the device and method of multichannel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893550.5A CN105472288B (en) | 2015-12-05 | 2015-12-05 | A kind of V-BY-ONE vision signals single channel turns the device and method of multichannel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105472288A true CN105472288A (en) | 2016-04-06 |
| CN105472288B CN105472288B (en) | 2018-11-13 |
Family
ID=55609515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510893550.5A Active CN105472288B (en) | 2015-12-05 | 2015-12-05 | A kind of V-BY-ONE vision signals single channel turns the device and method of multichannel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105472288B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087132A (en) * | 2017-04-10 | 2017-08-22 | 青岛海信电器股份有限公司 | Receiver and method for transmitting signals |
| CN109410804A (en) * | 2018-09-14 | 2019-03-01 | 武汉帆茂电子科技有限公司 | A kind of V-by-one signal generation device and method based on FPGA |
| CN111107410A (en) * | 2019-12-30 | 2020-05-05 | Tcl华星光电技术有限公司 | VBO signal processing method and device for saving hardware resources and terminal |
| CN111355905A (en) * | 2018-12-21 | 2020-06-30 | 西安诺瓦星云科技股份有限公司 | Signal distributor |
| CN112331155A (en) * | 2020-10-29 | 2021-02-05 | 苏州华兴源创科技股份有限公司 | Signal driving board |
| WO2022012050A1 (en) * | 2020-07-15 | 2022-01-20 | 海信视像科技股份有限公司 | Digital video signal generation circuit, digital video signal generation system, digital video signal generation method, and non-volatile storage medium |
| CN114520932A (en) * | 2020-11-20 | 2022-05-20 | 康佳集团股份有限公司 | 8K dot screen method, FPGA chip, television and storage medium |
| CN115190330A (en) * | 2022-07-02 | 2022-10-14 | 海的电子科技(苏州)有限公司 | Image signal processing method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007101691A (en) * | 2005-09-30 | 2007-04-19 | Fujitsu Ltd | Decision device and decision method |
| CN103050073A (en) * | 2012-12-26 | 2013-04-17 | 武汉精测电子技术有限公司 | DP (Digital Processing) decoding and automatic resolution adjusting liquid crystal display module testing method and device |
| CN203457237U (en) * | 2013-07-30 | 2014-02-26 | 信佶(深圳)电脑配件有限公司 | HDMI-based signal distributor |
| CN104902210A (en) * | 2015-06-05 | 2015-09-09 | 武汉精测电子技术股份有限公司 | Method and system for converting LVDS (Low-Voltage Differential Signaling) video signal into video signal suitable for 16LaneV-By-ONE |
-
2015
- 2015-12-05 CN CN201510893550.5A patent/CN105472288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007101691A (en) * | 2005-09-30 | 2007-04-19 | Fujitsu Ltd | Decision device and decision method |
| CN103050073A (en) * | 2012-12-26 | 2013-04-17 | 武汉精测电子技术有限公司 | DP (Digital Processing) decoding and automatic resolution adjusting liquid crystal display module testing method and device |
| CN203457237U (en) * | 2013-07-30 | 2014-02-26 | 信佶(深圳)电脑配件有限公司 | HDMI-based signal distributor |
| CN104902210A (en) * | 2015-06-05 | 2015-09-09 | 武汉精测电子技术股份有限公司 | Method and system for converting LVDS (Low-Voltage Differential Signaling) video signal into video signal suitable for 16LaneV-By-ONE |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087132A (en) * | 2017-04-10 | 2017-08-22 | 青岛海信电器股份有限公司 | Receiver and method for transmitting signals |
| CN107087132B (en) * | 2017-04-10 | 2019-12-17 | 青岛海信电器股份有限公司 | Receiver and signal transmission method |
| CN109410804A (en) * | 2018-09-14 | 2019-03-01 | 武汉帆茂电子科技有限公司 | A kind of V-by-one signal generation device and method based on FPGA |
| CN109410804B (en) * | 2018-09-14 | 2021-09-28 | 武汉帆茂电子科技有限公司 | V-by-one signal generation device and method based on FPGA |
| CN111355905A (en) * | 2018-12-21 | 2020-06-30 | 西安诺瓦星云科技股份有限公司 | Signal distributor |
| CN111107410A (en) * | 2019-12-30 | 2020-05-05 | Tcl华星光电技术有限公司 | VBO signal processing method and device for saving hardware resources and terminal |
| CN111107410B (en) * | 2019-12-30 | 2021-05-07 | Tcl华星光电技术有限公司 | VBO signal processing method and device for saving hardware resources and terminal |
| WO2022012050A1 (en) * | 2020-07-15 | 2022-01-20 | 海信视像科技股份有限公司 | Digital video signal generation circuit, digital video signal generation system, digital video signal generation method, and non-volatile storage medium |
| CN112331155A (en) * | 2020-10-29 | 2021-02-05 | 苏州华兴源创科技股份有限公司 | Signal driving board |
| CN114520932A (en) * | 2020-11-20 | 2022-05-20 | 康佳集团股份有限公司 | 8K dot screen method, FPGA chip, television and storage medium |
| CN114520932B (en) * | 2020-11-20 | 2023-12-12 | 康佳集团股份有限公司 | 8K point screen method, FPGA chip, television and storage medium |
| CN115190330A (en) * | 2022-07-02 | 2022-10-14 | 海的电子科技(苏州)有限公司 | Image signal processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105472288B (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105472288A (en) | Device and method for single-path to multiple-path conversion of V-BY-ONE video signals | |
| CN105491373B (en) | A kind of LVDS vision signals single channel turns the device and method of multichannel | |
| CN105491318A (en) | Device and method for single-path to multiple-path conversion of DP video signals | |
| CN105405375B (en) | A kind of MIPI vision signals single channel turns the device and method of multichannel | |
| CN103475842A (en) | Method for converting LVDS video signals into MIPI video signals | |
| CN105472287A (en) | Device and method for single-path to multiple-path conversion of single path of HDMI video signals | |
| CN103475841A (en) | Method for converting LVDS video signals into 8 LANE horizontally-split-screen MIPI video signals | |
| CN110581963B (en) | V-BY-ONE signal conversion method and device and electronic equipment | |
| CN105023549A (en) | Resolution-adaptive MIPI (mobile industry processor interface) graph signal generation device and method | |
| CN108345553B (en) | Satellite-borne high-resolution imaging data transmission and acquisition system | |
| JP2018523363A (en) | Method and system for converting LVDS video signals to DP video signals | |
| CN104967844A (en) | Automatic LVDS (Low Voltage Differential Signaling) video signal testing method and device | |
| CN104469351A (en) | Method for detecting LVDS video signals generated by video source | |
| KR20180072790A (en) | Multi-channel display interface signal generation system of the shared protocol layer | |
| CN203574773U (en) | Device for converting LVDS video signal into 8LANE left-and-ring split screen MIPI video signal | |
| CN201898573U (en) | FPGA (field programmable gate array) component capable of realizing DVI (digital video interactive) coding and decoding | |
| CN203504677U (en) | Device for converting LVDS video signal into MIPI video signal | |
| CN105049773A (en) | Method of transforming LVDS video signal into DP video signal and system of transforming LVDS video signal into DP video signal | |
| CN104967808A (en) | Method and system converting LVDS video signals to 2LANE DP video signals | |
| CN105405376A (en) | TTL video signal single path to multipath conversion device and TTL video signal single path to multipath conversion method | |
| CN105025291A (en) | Method and device for generating TTL video signal | |
| CN104935859A (en) | Method and system for converting LVDS video signals into V-BY-ONE video signals suitable for 32 Lane | |
| CN116016823B (en) | Video injection device and system | |
| CN204652546U (en) | For LVDS being converted to the system of V-BY-ONE vision signal | |
| CN204578655U (en) | The device of energy augmented video flap output signal ability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the four floor, No. Applicant after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the four floor, No. Applicant before: Wuhan Jingce Electronic Technology Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |