CN109936706A - Electronic device and image synchronous method - Google Patents
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Abstract
A kind of electronic device and image synchronous method are suitable for Video Wall Display System, comprising: generate one first gate time point and one second gate time point；A first control signal to one first image switching device with a first time parameter is sent in the first gate time point so that first image switching device is according to the first time parameter switching image data source；And a second control signal to one second image switching device with one second time parameter is sent so that second image switching device switches image data source according to second time parameter in the second gate time point；Wherein first image switching device and second image switching device synchronize after switching image data source and accordingly export the one first display group and a second display group of respective image data to Video Wall Display System.It can make the first controlled device and the second controlled device synchronism output image data to different display groups as a result,.
Description
Technical field
This case is related to a kind of electronic device and a kind of image synchronous method.Specifically, this case is related to one kind about electricity
Depending on the electronic device and image synchronous method of wall.
Background technique
With the development of electronic technology, display device has been widely used in people's lives.
(such as video wall) in some applications, multiple display devices need to synchronize progress imaging operations, and (such as image switches or opens
Dynamic image is shown).However, due to the situations such as transmission delay or processing delay, making these aobvious when the quantity of display device increases
The synchronous imaging operations that carry out of showing device will become extremely difficult.Therefore, a kind of solution is worked as and is suggested.
Summary of the invention
One state sample implementation of this case is related to a kind of electronic device.According to one embodiment of this case, which is suitable for one
Video wall, the video wall include multiple displays, those displays include one first display group and a second display
Group.The electronic device includes a counter, a transport interface and a processing element.The counter generates one first and counts
Time point and one second gate time point.The processing element is coupled to the counter and the transport interface, in first meter
A first control signal with a first time parameter is sent to one first controlled dress via the transport interface by number time point
It sets, and sends the second control signal with one second time parameter via the transport interface in the second gate time point
To one second controlled device.First controlled device and second controlled device according to the first time parameter and are somebody's turn to do respectively
Second time parameter and it is synchronous and accordingly export one first image data and one second image data to first display
Group and the second display group.
In an embodiment, the first gate time point is identical as the second gate time point, the first time parameter with
Second time parameter is identical so that the processing element via the transport interface by the first control signal and this second control
Signal processed, which synchronizes, is sent to first controlled device and second controlled device.
In an embodiment, the processing element returned according to first controlled device and second controlled device one
It is ready to complete signal and decides whether that reseting the first time parameter and second time parameter becomes a third time parameter,
So that first controlled device and second controlled device are synchronous according to the third time parameter respectively and accordingly export
First image data and second image data are to the first display group and the second display group, the third
Time parameter is less than second time parameter.
In an embodiment, which is later than the first gate time point, which is less than
The first time parameter, so that the processing element is via the transport interface respectively by the first control signal and second control
Signal processed is sequentially sent to first controlled device and second controlled device.
Difference and the first time in an embodiment, between the first gate time point and the second gate time point
Difference between parameter and second time parameter is identical.
In an embodiment, the processing element returned according to first controlled device and second controlled device one
It is ready to complete signal and decides whether that reseting the first time parameter and second time parameter becomes a third time parameter
And one the 4th time parameter, so that first controlled device and second controlled device are respectively according to the third time parameter
And the 4th time parameter and it is synchronous and accordingly export first image data and second image data to this first
Display group and the second display group, the 4th time parameter are less than the third time parameter, third time ginseng
Number is less than second time parameter.
Another state sample implementation of this case is related to a kind of electronic device.According to one embodiment of this case, which is suitable for
One video wall, the video wall include multiple displays, those displays include one first display group and one second display
Device group.The electronic device includes a first input end, one second input terminal, multiple output ends, an Inverse problem element, a meter
Number device, a transport interface and a processing element.The first input end receives one first image data.Second input terminal receives
One second image data.Multiple output end selectively export first image data and second image data to this first
Display group.The Inverse problem element couples the first input end, second input terminal and those output ends.The counter
Generate one first gate time point and one second gate time point.The processing element has in the first gate time point generation
One first control signal of one first time parameter will have to control the Inverse problem element in the second gate time point
One second control signal of one second time parameter is sent to a controlled device via the transport interface, and the controlled device is according to this
Second time parameter and export a third image data to the second display group.The processing element controls Inverse problem member
Part is according to the first time parameter switching so that those output ends will be exported to the first image number of the first display group
According to being switching to second image data, and second image data and the third image data be it is synchronous and accordingly export to
The first display group and the second display group.
In an embodiment, the first gate time point is identical as the second gate time point, the first time parameter with
Second time parameter is identical.
In an embodiment, the steady which is returned according to the controlled device is completed signal and is decided whether
Reseting the first time parameter and second time parameter becomes a third time parameter, and then controls the Inverse problem element
Switched according to the third time parameter so that those output ends will be exported to first image data of the first display group
Be switching to second image data, the controlled device exported according to the third time parameter third image data to this
Two display groups, second image data and the third image data are synchronous and accordingly export to the first display group
Group and the second display group, the third time parameter are less than second time parameter.
In an embodiment, which is later than the first gate time point, which is less than
The first time parameter.
Difference and the first time in an embodiment, between the first gate time point and the second gate time point
Difference between parameter and second time parameter is identical.
In an embodiment, the steady which is returned according to the controlled device is completed signal and is decided whether
Reseting the first time parameter and second time parameter becomes a third time parameter and one the 4th time parameter, in turn
The Inverse problem element is controlled to be switched according to the third time parameter so that those output ends will be exported to the first display group
First image data of group is switching to second image data, which exports this according to the 4th time parameter
For third image data to the second display group, second image data and the third image data are synchronous and accordingly defeated
Out to the first display group and the second display group, the 4th time parameter is less than the third time parameter, this
Three time parameters are less than second time parameter.
Another state sample implementation of this case is related to a kind of image synchronous method.According to one embodiment of this case, the image synchronous side
Method is suitable for a Video Wall Display System, which includes a video wall, one first image switching device and one second shadow
As switching device, which includes multiple displays, those displays include that one first display group and one second are aobvious
Shi Qi group, the image synchronous method include: to generate one first gate time point and one second gate time point；This first
Gate time point send have a first control signal of a first time parameter to first image switching device so that this
One image switching device is according to the first time parameter switching image data source；And it sends and has in the second gate time point
There is a second control signal of one second time parameter to second image switching device so that the second image switching device root
Switch image data source according to second time parameter.First image switching device and second image switching device are being cut
It is synchronized after changing image data source and accordingly exports respective image data to the first display group and this is second aobvious
Shi Qi group.
In an embodiment, before sending the first control signal and the second control signal, further include: by this
Counter in one image switching device and second image switching device is adjusted to the identical counting period.
In an embodiment, the first gate time point and the second gate time point are identical so that first control
Signal and the second control signal are synchronous and are accordingly sent to first image switching device and second image switching
Device, and the first time parameter and second time parameter it is identical so that first image switching device and this second
Image switching device synchronism switching image data source.
In an embodiment, which is later than the first gate time point so that the first control signal
And the second control signal sequentially and is accordingly sent to first image switching device and second image switching device,
And second time parameter is less than the first time parameter so that first image switching device and second image switching
Device synchronism switching image data source.
In an embodiment, the first gate time point and second difference counted between time point are joined at the first time with this
Difference between several and second time parameter is identical.
In an embodiment, before switching image data source, according to first image switching device and this second
At least one generated steady of image switching device complete signal and decide whether the first time parameter and
Second time parameter adjustment becomes a third time parameter, the third time parameter be less than the first time parameter and this
Two time parameters.
Through an above-mentioned embodiment is applied, the first controlled device and the second controlled device synchronism output image data can be made
To different display groups.In this way, which the different displays in different display groups can be enabled synchronous according to image data
Carry out display operation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electronic device according to depicted in one embodiment of the invention；
Fig. 2 is the flow chart according to the operating method of one embodiment of the invention；
Fig. 3 is the schematic diagram according to the operating method of an operation example of the invention；
Fig. 4 is the schematic diagram of the electronic device according to depicted in another embodiment of the present invention；
Fig. 5 is the flow chart of the image synchronous method according to depicted in one embodiment of the invention.
Main element symbol description:
10: electronic system
20,40: controlled device
20a: electronic device
DWL: video wall
GP1, GP2: display group
DP1-DP6: display
100,100a: electronic device
110,210: processing element
120,220: memory
130,230: counter
140,240: transport interface
CTL1, CTL2: control signal
T1, T2: time parameter
T1, t2: gate time point
Tout: output time point
IMD1-IMD3: image data
SW: Inverse problem element
IP1, IP2: input terminal
OP1, OP2: output end
300: method
S1-S3: operation
Specific embodiment
The spirit that will clearly illustrate this disclosure below with schema and in detail narration, any those of ordinary skill in the art
After the embodiment for understanding this disclosure, when the technology that can be taught by this disclosure, it is changed and modifies, not
It is detached from the spirit and scope of this disclosure.
About " coupling " used herein, can refer to two or multiple element mutually directly make entity or in electrical contact, or
It is mutually to put into effect indirectly body or in electrical contact, and " coupling " also can refer to two or multiple element mutual operation or movement.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position, also
It is non-to limit the present invention, only for distinguish with same technique term description element or operation.
It is open term, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", including any of the things or all combination.
About word used herein (terms), in addition to having and especially indicating, usually have each word using herein
In field, herein in the content disclosed with the usual meaning in special content.Certain words to describe this exposure will be under
Or discussed in the other places of this specification, to provide those skilled in the art's guidance additional in the description in relation to this exposure.
About term " substantially " used herein, " about " etc., generally to reference and the numerical value or close range
Any several value or ranges, this number value or range can be varied according to the different skill that are related to, and it explains that range meets
Those skilled in the art most extensively explains range to carried out by it, to cover all deformation or similar structure.Some implementations
In example, the range of slight variations or error that such term is modified is 20%, is 10% in part preferred embodiment, in portion
It is 5% in part more preferably embodiment.In addition, it is described herein and numerical value all mean numerical approximation, in the feelings for not making in addition to illustrate
Under condition, the hidden word meaning for containing " substantially ", " about ".
Fig. 1 is the schematic diagram of the electronic system 10 according to depicted in one embodiment of the invention.In the present embodiment, Department of Electronics
System 10 includes video wall DWL, controlled device 20,40 and electronic device 100.Video wall DWL includes multiple display DP1-DP6.
Display DP1-DP6 points are the first display group GP1 and second display group GP2.In the present embodiment, controlled device
20 and first the display DP1-DP4 of display group GP1 carry out wired or wireless communication, and controlled device 40 is shown with second
The display DP5-DP6 of device group GP2 carries out wired or wireless communication.In the present embodiment, electronic device 100 and controlled device
20,40 wired or wireless communication is carried out.It should be noted that the quantity of above-mentioned controlled device, display group and display only for
Show, other quantity are also among this case range.In addition, being shown in the first display group GP1 and second display group GP2
The quantity of device also can be mutually the same, without being limited with above-described embodiment.
In one embodiment, controlled device 20,40 is, for example, image switching device, and right this case is not limited.It is real one
It applies in example, controlled device 20,40 is, for example, matrix video switcher (videomatrix), and right this case is not limited.It is real one
It applies in example, electronic device 100 is, for example, the control device independently of controlled device 20,40, and right this case is not limited.It is real one
It applies in example, electronic device 100 can be also integrated among controlled device 20 or controlled device 40.
In the present embodiment, electronic device 100 includes processing element 110, memory 120, counter 130 and transmission circle
Face 140.In the present embodiment, processing element 110 couples memory 120, counter 130 and transport interface 140.
In one embodiment, processing element 110 can for example use central processing unit (CPU), digital signal processor
The element that (digital signal processor, DSP) and/or microprocessor (MCU) etc. have signal handling capacity is real
Existing, but not limited to this.In one embodiment, memory 120 may include one or more memory devices, wherein each memory
The set of device or multiple memory devices includes computer-readable recording medium.Memory 120 may include read-only memory, fast
Flash memory, floppy disk, hard disk, CD, portable disk, tape, can be by the database or art technology ordinary skill of network access
Personnel can think easily and readable in computer programmed recording medium with the same function.In one embodiment, counter 130 can use counting
Circuit or counting procedure realize that but not limited to this.In one embodiment, counter 130 can also be integrated into processing element 110
A part, but not limited to this.In one embodiment, transport interface 140 can use wire transmission interface (such as RS232 or RS485 circle
Face) or interface of wireless transmission (such as bluetooth or the interface WiFi) realization, but this case is not limited with above-mentioned.
In one embodiment, processing element 110 can run or execute the various software programs being stored in memory 120
And/or instruction set, to execute the various functions of electronic device 100.
In one embodiment, counter 130 is to generate the first gate time point and the second gate time point, and provides
First gate time point and the second gate time point are to processing element 110.Processing element 110 in the first gate time point to incite somebody to action
First control signal with first time parameter is sent to controlled device 20 via transport interface 140, and when second counts
Between point will be sent to controlled device 40 via transport interface 140 with the second control signal of the second time parameter.
In one embodiment, controlled device 20,40 receives the first image data respectively and the second image data (is schemed not
Show), and it is synchronous according to first time parameter and the second time parameter respectively and accordingly export the first image data and
Display of second image data in the display DP1-DP4 and second display group GP2 into the first display group GP1
Device DP5-DP6.
In this way, which display DP1-DP4 and display DP5-DP6 can be synchronized and be performed in accordance with display operation (such as
Image switching or starting image are shown).
Understandable to make to illustrate, following paragraphs provides collocation Fig. 2, Fig. 3 to some operation examples, and right this case is not with these operation examples
It is limited.
Referring to Fig. 2, in the first operation example, counter 130 generates the first gate time point t1 and the second gate time
Point t2, wherein the second gate time point t2 (e.g. the 10th millisecond) is later than the first gate time point t1 (e.g. the 5th millisecond).
In this operation example, processing element 110 be according to the first gate time point t1 and the second gate time point t2 individually and sequentially
First control signal CTL1 and second control signal CTL2 is sent to controlled device 20,40.
Specifically, in this operation example, processing element 110 will have first time parameter in the first gate time point t1
The first control signal CTL1 of T1 is sent to controlled device 20 via transport interface 140, when enabling controlled device 20 according to first
Between parameter T1 export display DP1-DP4 of the first image data IMD1 into the first display group GP1, to make display
DP1-DP4 carries out display operation according to the first image data IMD1.
In addition, the second control signal that processing element 110 will have the second time parameter T2 in the second gate time point t2
CTL2 is sent to controlled device 40 via transport interface 140, to enable controlled device 40 according to the second time parameter T2 output second
Display DP5-DP6 of the image data IMD2 into second display group GP2, to make display DP5-DP6 according to second
Image data IMD2 carries out display operation.
In this operation example, the second time parameter T2 (e.g. 295 milliseconds) is less than first time parameter T1 (e.g.
300 milliseconds), and the difference (such as 300 milliseconds -295 milliseconds=5 milliseconds) of first time parameter T1 and the second time parameter T2 and
One gate time point t1 is roughly the same with difference (such as the 10th millisecond-the 5 millisecond=5 milliseconds) of the second gate time point t2.By
This, even if first control signal CTL1 is to transmit in different time points with second control signal CTL2, controlled device 20,40 still may be used
It synchronizes and accordingly exports the first image data IMD1 and the second image data IMD2 showing into the first display group GP1
Show the display DP5-DP6 in device DP1-DP4 and second display group GP2.
For example, controlled device 20 is substantially when the first gate time point t1 (e.g. the 5th millisecond) is received with first
Between parameter T1 (e.g. 300 milliseconds) first control signal CTL1, therefore controlled device 20 substantially output time point tout (such as
305th millisecond (equal to the aggregation of the first gate time point t1 and first time parameter T1)) carry out the first image data IMD1's
Output.In other words, processing element 110 is to export shadow after 300 milliseconds by first time parameter T1 notice controlled device 20
As data.
Controlled device 40 is substantially received in the second gate time point t2 (e.g. the 10th millisecond) joins with the second time
The second control signal CTL2 of number T2 (e.g. 295 milliseconds), therefore controlled device 40 is substantially in output time point tout (such as the
305 milliseconds (equal to the aggregation of the second gate time point t2 and the second time parameter T2)) carry out the defeated of the second image data IMD2
Out.In other words, processing element 110 is to notify the image output after 295 milliseconds of controlled device 40 by the second time parameter T2
Data.
Whereby, in this operation example, processing element 110 considers first control signal CTL1 and second control signal
Delay time of the CTL2 in transmission and set corresponding first time parameter T1 and the second time parameter T2, therefore it is controlled
Even if device 20,40 receives respective control signal in different gate time point, it still is able to synchronize and be performed in accordance with the
The output of one image data and the second image data.
Referring to Fig. 3, in the second operation example, counter 130 generates the first gate time point t1 and the second gate time
Point t2, wherein the second gate time point t2 (e.g. the 5th millisecond) and the first gate time point t1 (e.g. the 5th millisecond) are substantially
It is identical.In this operation example, processing element 110 be according to the first gate time point t1 and the second gate time point t2 respectively and
The synchronous first control signal CTL1 and second control signal CTL2 that sends is to controlled device 20,40.
Specifically, in this operation example, processing element 110 will have first time parameter in the first gate time point t1
The first control signal CTL1 of T1 is sent to controlled device 20 via transport interface 140, when enabling controlled device 20 according to first
Between parameter T1 export display DP1-DP4 of the first image data IMD1 into the first display group GP1, to make display
DP1-DP4 carries out display operation according to the first image data IMD1.
In addition, the second control signal that processing element 110 will have the second time parameter T2 in the second gate time point t2
CTL2 is sent to controlled device 40 via transport interface 140, to enable controlled device 40 according to the second time parameter T2 output second
Display DP5-DP6 of the image data IMD2 into second display group GP2, to make display DP5-DP6 according to second
Image data IMD2 carries out display operation.
In this operation example, the second time parameter T2 (e.g. 300 milliseconds) and first time parameter T1 (e.g. 300
Millisecond) it is roughly the same.Whereby, controlled device 20,40 can be made synchronous and accordingly export the first image data IMD1 and the
Two image data IMD2 are aobvious in the display DP1-DP4 and second display group GP2 into the first display group GP1
Show device DP5-DP6.
For example, controlled device 20 is substantially when the first gate time point t1 (e.g. the 5th millisecond) is received with first
Between parameter T1 (e.g. 300 milliseconds) first control signal CTL1, therefore controlled device 20 substantially output time point tout (such as
305th millisecond (equal to the aggregation of the first gate time point t1 and the second time parameter T1)) carry out the first image data IMD1's
Output.Controlled device 40 is substantially received in the second gate time point t2 (e.g. the 5th millisecond) with the second time parameter T2
The second control signal CTL2 of (e.g. 300 milliseconds), therefore controlled device 40 is substantially in output time point tout (the such as the 305th milli
Second (equal to the aggregation of the second gate time point t2 and the second time parameter T2)) the second image data IMD2 of progress output.By
This, controlled device 20,40 is output that is synchronous and being performed in accordance with the first image data IMD1 and the second image data IMD2.
In the second operation example, transport interface 140 can have multiple transmission (multicast) or broadcast (broadcast)
Function.
In one embodiment of this case, controlled device 20,40 completes the defeated of the first image data and the second image data
When preparing out, controlled device 20,40, which can return, is ready to complete signal.In one embodiment, processing element 110 can be according to controlled dress
It sets 20,40 being ready to complete signal of passback and decides whether to reset aforementioned first time parameter and the second time ginseng (as shortened)
Number so that controlled device 20,40 it is synchronous according to the time parameter after reseting respectively and accordingly export the first image data with
And second image data it is aobvious in display DP1-DP4 and second display group GP2 into the first display group GP1
Show device DP5-DP6.
In this way, which the output of the first image data of progress of controlled device 20,40 and the second image data can be accelerated.
For example, in aforementioned first operation example (such as can corresponding diagram 2), if at the 50th millisecond, processing element 110
It just has been received by and is ready to complete signal from what controlled device 20,40 returned, then processing element 110 can correspondingly decide whether to reset
First time parameter T1 is third time parameter T3 (such as 100 milliseconds) and resets the second time parameter T2 as the 4th time ginseng
Number T4 (such as 95 milliseconds) so that controlled device 20 according to third time parameter T3 export the first image data IMD1, and make by
It controls device 40 and second image data IMD2 is exported according to the 4th time parameter T4.Wherein, when the 4th time parameter T4 is less than third
Between parameter T3, and third time parameter T3 is less than the second time parameter T2.
Again for example, in aforementioned second operation example (such as can corresponding diagram 3), if at the 50th millisecond, processing element
110 all have been received by from controlled device 20,40 return be ready to complete signal, then processing element 110 can correspondingly decide whether
Reseting first time parameter T1 and the second time parameter T2 is third time parameter T3 (such as 100 milliseconds), so that controlled device
20,40 first image data IMD1 and the second image data IMD2 are exported according to third time parameter T3 respectively.Wherein, when third
Between parameter T3 less than the second time parameter T2.
In addition, in the above-described embodiments, counter 130 also can produce third gate time point and the 4th gate time
Point, element 110 for processing are respectively provided with third, the third of the 4th time parameter, the 4th control via the transmission of transport interface 140
Signal.Details about third, the 4th gate time point and third, the 4th control signal is approximately identical to the first, second counting
Time point and the first, second control signal, therefore this will not be repeated here.
It should be noted that the specific time numerical value in above-described embodiment and operation example is only the illustration on illustrating, this case is not
As limit.
Fig. 4 is the schematic diagram of the electronic system 10a according to shown in another embodiment of this case.In the present embodiment, Department of Electronics
The 10a that unites includes video wall DWL, electronic device 20a and controlled device 40.In the present embodiment, video wall DWL and controlled device
40 are all approximately identical to the video wall DWL and controlled device 40 of aforementioned electronic system 10, therefore this will not be repeated here for correlative detail.
In the present embodiment, the display DP1-DP4 of electronic device 20a and the first display group GP1 carry out it is wired or
Wireless telecommunications.
It should be noted that the quantity of controlled device, display group and display is only to illustrate, other quantity are also in this case
Among range.In addition, the quantity of display also can phase each other in the first display group GP1 and second display group GP2
Together, without being limited with above-described embodiment.
In one embodiment, electronic device 20a is, for example, image switching device, and right this case is not limited.Implement one
In example, electronic device 20a is, for example, matrix video switcher (video matrix), and right this case is not limited.
In the present embodiment, electronic device 20a includes processing element 210, memory 220, counter 230, transport interface
240, Inverse problem element SW, first input end IP1, the second input terminal IP2 and output end OP1-OP4.In the present embodiment,
Processing element 110 couples memory 120, counter 130, transport interface 140 and Inverse problem element SW.In the present embodiment,
Inverse problem element SW couples first input end IP1, the second input terminal IP2 and output end OP1-OP4.
In one embodiment, processing element 210 can for example use central processing unit, digital signal processor (digital
Signal processor, DSP) and/or the element that has signal handling capacity such as microprocessor realize that but not limited to this.
In one embodiment, memory 220 may include one or more memory devices, wherein each memory device or multiple memories
The set of device includes computer-readable recording medium.Memory 220 may include the read only memory, flash memory, floppy disk, hard
Disk, CD, portable disk, tape, can by network access database or be familiar with this those skilled in the art can think easily and have identical function
Readable in computer programmed recording medium.In one embodiment, counter 230 can be realized with counting circuit or counting procedure, but not with
This is limited.In one embodiment, counter 230 can also be integrated into a part of processing element 210, and but not limited to this.One
In embodiment, transport interface 240 can use wire transmission interface (such as interface RS232 or RS485) or interface of wireless transmission (such as bluetooth
Or the interface WiFi) realize, but this case is not limited with above-mentioned.In one embodiment, Inverse problem element SW can with switching circuit or
Changeover program realizes that but not limited to this.In one embodiment, Inverse problem element SW can also be integrated into processing element 210
A part, but not limited to this.
In one embodiment, processing element 210 can run or execute the various software programs being stored in memory 220
And/or instruction set, to execute the various functions of electronic device 20a.
In one embodiment, electronic device 20a receives the first image data IMD1 using first input end IP1, and utilizes
Second input terminal IP2 receives the second image data IMD2.In one embodiment, controlled device 40 receives third image data
IMD3。
In one embodiment, counter 230 is to generate the first gate time point and the second gate time point, and provides
First gate time point and the second gate time point are to processing element 210.Processing element 210 in the first gate time point to produce
The raw first control signal with first time parameter, to control Inverse problem element SW according to first time parameter switching, with
Cut the first image data IMD1 of display DP1-DP4 of the output end OP1-OP4 by output into the first display group GP1
It changes into as the second image data IMD2.
On the other hand, processing element 210 is to control second with the second time parameter in the second gate time point
Signal is sent to controlled device 40 via transport interface 240.Controlled device 40 receives second control signal, and according to the second time
Parameter and export display DP5-DP6 of the third image data into second display group GP2.
Whereby, the second image data IMD2 and third image data IMD3 can be synchronized and accordingly be exported to the first display
The display DP5-DP6 in display DP1-DP4 and second display group GP2 in group GP1, to make display DP1-
DP4 and display DP5-DP6 is synchronous and is performed in accordance with display operation (such as image switching and/or starting image are shown).
Understandable to make to illustrate, will arrange in pairs or groups again Fig. 2, Fig. 3 of following paragraphs provides some operation examples, and right this case is not with these behaviour
It is limited as example.
Referring to Fig. 2, in third operation example, counter 230 generates the first gate time point t1 and the second gate time
Point t2, wherein the second gate time point t2 (e.g. the 10th millisecond) is later than the first gate time point t1 (e.g. the 5th millisecond).
Originally, processing element 210 can control Inverse problem element SW with by the received first image number of first input end IP1
Display DP1-DP4 is provided to according to IMD1.The first gate time point t1 of the generation of counter 230 is received in processing element 110
And second after gate time point t2, processing element 110 can be according to the first gate time point t1 and the second gate time point t2
The first control signal CTL1 with first time parameter T1 and the second control letter with the second time parameter T2 are generated respectively
Number CTL2.
Specifically, in this operation example, processing element 110 provides first control signal in the first gate time point t1
CTL1 to Inverse problem element SW will be provided to display DP1- according to first time parameter T1 with order matrix switching element SW
The first image data IMD1 of DP4 is switched to the received second image data IMD2 of the second input terminal IP2, to make display
DP1-DP4 carries out display operation according to the second image data IMD2.
In addition, processing element 110 in the second gate time point t2, provides second control signal CTL2 to controlled device 40,
To enable controlled device 40 export third image data IMD3 showing into second display group GP2 according to the second time parameter T2
Show device DP5-DP6, so that display DP5-DP6 be made to carry out display operation according to third image data IMD3.
In this operation example, the second time parameter T2 (e.g. 295 milliseconds) is less than first time parameter T1 (e.g.
300 milliseconds), and the difference (such as 300 milliseconds -295 milliseconds=5 milliseconds) of first time parameter T1 and the second time parameter T2 and
One gate time point t1 is roughly the same with difference (such as the 10th millisecond-the 5 millisecond=5 milliseconds) of the second gate time point t2.By
This, even if first control signal CTL1 and second control signal CTL2 be sent in different time points Inverse problem element SW with
Controlled device 40, the second image data IMD2 and third image data IMD3 can still be synchronized and accordingly be exported to the first display
The display DP5-DP6 in display DP1-DP4 and second display group GP2 in device group GP1.
For example, Inverse problem element SW is substantially received in the first gate time point t1 (e.g. the 5th millisecond) with
The first control signal CTL1 of one time parameter T1 (e.g. 300 milliseconds), therefore Inverse problem element SW is substantially in the output time
Point tout (such as the 305th millisecond (equal to the aggregation of the first gate time point t1 and first time parameter T1)) is by the first shadow of output
As data IMD1 is switched to the second image data IMD2.Controlled device 40 is substantially in the second gate time point t2 the (the e.g. the 10th
Millisecond) the second control signal CTL2 with the second time parameter T2 (e.g. 295 milliseconds) is received, therefore controlled device 40 is big
Cause output time point tout (such as the 305th millisecond (equal to the aggregation of the second gate time point t2 and the second time parameter T2)) into
The output of row third image data IMD3.Whereby, the second image data IMD2 and third image data IMD3 can synchronize and
Corresponding output.
Referring to Fig. 3, in the 4th operation example, counter 230 generates the first gate time point t1 and the second gate time
Point t2, wherein the second gate time point t2 (e.g. the 5th millisecond) and the first gate time point t1 (e.g. the 5th millisecond) are substantially
It is identical.
Originally, processing element 210 can control Inverse problem element SW with by the received first image number of first input end IP1
Display DP1-DP4 is provided to according to IMD1.The first gate time point t1 of the generation of counter 230 is received in processing element 110
And second after gate time point t2, processing element 110 can be according to the first gate time point t1 and the second gate time point t2
The first control signal CTL1 with first time parameter T1 and the second control letter with the second time parameter T2 are generated respectively
Number CTL2.
Specifically, in this operation example, processing element 210 provides first control signal in the first gate time point t1
CTL1 to Inverse problem element SW will be provided to display DP1- according to first time parameter T1 with order matrix switching element SW
The first image data IMD1 of DP4 is switched to the received second image data IMD2 of the second input terminal IP2.
In addition, processing element 210 in the second gate time point t2, provides second control signal CTL2 to controlled device 40,
To enable controlled device 40 export third image data IMD3 showing into second display group GP2 according to the second time parameter T2
Show device DP5-DP6, so that display DP5-DP6 be made to carry out display operation according to third image data IMD3.
In this operation example, the second time parameter T2 (e.g. 300 milliseconds) and first time parameter T1 (e.g. 300
Millisecond) it is roughly the same.Whereby, the second image data IMD2 and third image data IMD3 can be made synchronous and accordingly exported
The display DP5-DP6 in display DP1-DP4 and second display group GP2 into the first display group GP1.
For example, Inverse problem element SW is substantially received in the first gate time point t1 (e.g. the 5th millisecond) with
The first control signal CTL1 of one time parameter T1 (e.g. 300 milliseconds), therefore Inverse problem element SW is substantially in the output time
Point tout (such as the 305th millisecond (equal to the aggregation of the first gate time point t1 and first time parameter T1)) is by the first shadow of output
As data IMD1 is switched to the second image data IMD2.Controlled device 40 is substantially in the second gate time point t2 (the e.g. the 5th milli
Second) the second control signal CTL2 with the second time parameter T2 (e.g. 300 milliseconds) is received, therefore controlled device 40 is substantially
It is carried out in output time point tout (such as the 305th millisecond (equal to the aggregation of the second gate time point t2 and the second time parameter T2))
The output of second image data.Whereby, the second image data IMD2 and third image data IMD3 can be synchronized and corresponding
Output.
In the 4th operation example, transport interface 240 can have multiple transmission (multicast) or broadcast (broadcast)
Function.
In one embodiment of this case, controlled device 40 is when the output for completing third image data IMD3 prepares, controlled dress
It sets 40 and can return and be ready to complete signal.In one embodiment, processing element 210 can be ready to complete according to what controlled device 40 returned
Signal and deciding whether resets aforementioned first time parameter and the second time parameter (as shortened), so that the second image data
IMD2 and third image data IMD3 is synchronous according to the time parameter after reseting respectively and accordingly exports to the first display
The display DP5-DP6 in display DP1-DP4 and second display group GP2 in device group GP1.
In this way, which the output of the second image data IMD2 and third image data IMD3 can be accelerated.
For example, in aforementioned third operation example (such as can corresponding diagram 2), if at the 50th millisecond, processing element 210
It receives and is ready to complete signal from what controlled device 40 returned, then when processing element 210 correspondingly can decide whether to reset first
Between parameter T1 be third time parameter T3 (such as 100 milliseconds) and reset the second time parameter T2 be the 4th time parameter T4
(such as 95 milliseconds), so that Inverse problem element SW will be provided to the first of display DP1-DP4 according to third time parameter T3
Image data IMD1 is switched to the second image data IMD2, and controlled device 40 is made to export third shadow according to the 4th time parameter T4
As data IMD3.Wherein, the 4th time parameter T4 is less than third time parameter T3, and third time parameter T3 is less than the second time
Parameter T2.
Again for example, in aforementioned 4th operation example (such as can corresponding diagram 3), if at the 50th millisecond, processing element
210 receive from controlled device 40 return be ready to complete signal, then processing element 210 can correspondingly decide whether to reset first
Time parameter T1 and the second time parameter T2 is third time parameter T3 (such as 100 milliseconds), so that Inverse problem element SW root
The the first image data IMD1 for being provided to display DP1-DP4 is switched to the second image data according to third time parameter T3
IMD2, and controlled device 40 is made to export third image data IMD3 according to third time parameter T3.Wherein, third time parameter T3
Less than the second time parameter T2.
, in the above-described embodiments, counter 230 also can produce third gate time point and the 4th gate time point, with
Third, the third of the 4th time parameter, the 4th control signal are respectively provided with for the transmission of processing element 210.About third, the 4th meter
The details of number time point and third, the 4th control signal is approximately identical to the first, second gate time point and the first, second control
Signal, therefore this will not be repeated here.
It should be noted that the specific time numerical value in above-described embodiment and operation example is only the illustration on illustrating, this case is not
As limit.
Below by the image synchronous method in the Fig. 5 that arranges in pairs or groups to provide this case more specific details, right this case is not with following implementations
Example is limited.
It should be noted that this image synchronous method can be applied to the electronic system of the same or similar structure shown in Fig. 1.
And be to keep narration simple, below will an embodiment according to the present invention, carry out by taking the electronic device 10 in Fig. 1 as an example to operating method
Narration, so the present invention not with this application is limited.
In addition, this image synchronous method can also be implemented as a computer program, and it is stored in a non-transient readable in computer
In record media, and virtual reality method is executed after so that computer or electronic device is read this record media.Non-transient computer-readable
Take record media that can be the read only memory, flash memory, floppy disk, hard disk, CD, portable disk, tape, it can be accessed by network
Database is familiar with the non-transient computer-readable recording medium that this those skilled in the art can think easily and have identical function.
Further, it should be appreciated that arrive, the operation of mentioned image synchronous method in the present embodiment, except especially chatting, bright its is suitable
Outside sequence person, its tandem can be adjusted according to actual needs, or even can simultaneously or partially be performed simultaneously.
Furthermore in different embodiments, these operations also increase to adaptability, replace and/or omit.
Referring to the 1st, 5 figures, image synchronous method 300 includes following operation.
In operation S1, electronic device 100 generates the first gate time point and the second gate time using counter 130
Point.
In operation S2, processing element 110 sends first control with first time parameter in the first gate time point
Signal processed is to the first image switching device (such as controlled device 20).In the present embodiment, controlled device 20 is to switch different shadows
As data source.For example, controlled device 20 can receive more image datas, and one of them is exported to the first display group
The display DP1-DP4 of GP1.
In one embodiment, first control signal can be transmitted to controlled device 20, so that controlled device 20 in processing element 110
According to first time parameter switching image data source, and the other of its received image data is exported to the first display
The display DP1-DP4 of group GP1.
Detail about controlled device 20 can refer to previous embodiment, therefore this will not be repeated here.
In operation S3, processing element 110 sends second control with the second time parameter in the second gate time point
Signal is to the first image switching device (such as controlled device 40).In one embodiment, controlled device 40 is to switch different images
Data source.For example, controlled device 40 can receive more image datas, and one of them is exported to second display group GP2
Display DP5-DP6.
In one embodiment, second control signal can be transmitted to controlled device 40, so that controlled device 40 in processing element 110
Switch image data source according to the second time parameter, and exports the other of its received image data to second display
The display DP5-DP6 of group GP2.
Detail about controlled device 40 can refer to previous embodiment, therefore this will not be repeated here.
By aforesaid operations, controlled device 20,40 can be synchronized and accordingly be exported each after switching image data source
From image data to the first display group GP1 display DP1-DP4 and second display group GP2 display
DP5-DP6.For example, image data of the controlled device 20,40 all at the 305th millisecond after output switching.
In one embodiment, image synchronous method 300 further includes, before carrying out operation S2, S3, by controlled device 20,
Counter (not being painted) in 40 is adjusted to the identical counting period.For example, processing element 110 can send a command to respectively it is controlled
The counting period of counter in controlled device 20,40 is all set as 1 millisecond (also that is, count frequency is by device 20,40
1000 hertz).Whereby, it can avoid causing image data defeated because of the counting period of the counter in controlled device 20,40 difference
It is asynchronous out.
In one embodiment, the second gate time point is later than the first gate time point so that first control signal and
Second control signal sequentially and is accordingly sent to controlled device 20,40, and the second time parameter be less than first time parameter with
As for controlled device 20,40 synchronism switching image data sources.Details about this embodiment can refer to above-mentioned first operation
Example, therefore this will not be repeated here.
In another embodiment, the first gate time point and the second gate time point can be mutually the same, so that first
Control signal and second control signal are synchronous and be accordingly sent to controlled device 20,40, and first time parameter and the
Two time parameters are mutually the same so that controlled device 20,40 synchronism switching image data sources.About the thin of this embodiment
Section can refer in above-mentioned second operation example, therefore this will not be repeated here.
Furthermore what processing element 110 can be returned according to controlled device 20,40 is ready to complete signal and decides whether to reset
(as shortened) first time parameter and the second time parameter.Details about this embodiment can refer to previous paragraph, therefore
This is not repeated.
In conclusion the present invention controls multiple controlled devices with the same count period by the setting of time parameter
In scheduled time point image output data, therefore different controlled device synchronism output image datas can be made, and then be promoted and used
The ornamental experience at family.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any those skilled in the art
Member, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as
Subject to appended claims institute defender.
Claims (18)
1. a kind of electronic device is suitable for a video wall, which is characterized in that the video wall includes multiple displays, those displays
Device includes one first display group and a second display group, the electronic device include:
One counter generates one first gate time point and one second gate time point；
One transport interface；And
One processing element is coupled to the counter and the transport interface, when the first gate time point will have one first
Between a first control signal of parameter be sent to one first controlled device via the transport interface, and in the second gate time point
A second control signal with one second time parameter is sent to one second controlled device via the transport interface；
Wherein, first controlled device and second controlled device are respectively according to the first time parameter and second time
Parameter and it is synchronous and accordingly export one first image data and one second image data to the first display group and
The second display group.
2. electronic device as described in claim 1, which is characterized in that the first gate time point and the second gate time point
Identical, the first time parameter is identical as second time parameter so that the processing element via the transport interface by this
One control signal and the second control signal synchronize and are sent to first controlled device and second controlled device.
3. electronic device as claimed in claim 2, which is characterized in that the processing element is according to first controlled device and is somebody's turn to do
The steady that second controlled device is returned completes signal and decides whether to reset the first time parameter and second time
Parameter becomes a third time parameter, so that first controlled device and second controlled device are respectively according to the third time
Parameter and it is synchronous and accordingly export first image data and second image data to the first display group and
The second display group, the third time parameter are less than second time parameter.
4. electronic device as described in claim 1, which is characterized in that the second gate time point is later than first gate time
Point, second time parameter are less than the first time parameter so that the processing element via the transport interface respectively by this
One control signal and the second control signal are sequentially sent to first controlled device and second controlled device.
5. electronic device as claimed in claim 4, which is characterized in that the first gate time point and the second gate time point
Between difference it is identical as the difference between the first time parameter and second time parameter.
6. electronic device as claimed in claim 4, which is characterized in that the processing element is according to first controlled device and is somebody's turn to do
The steady that second controlled device is returned completes signal and decides whether to reset the first time parameter and second time
Parameter becomes a third time parameter and one the 4th time parameter, so that first controlled device and second controlled device
It is synchronous according to the third time parameter and the 4th time parameter respectively and accordingly export first image data and
Second image data to the first display group and the second display group, the 4th time parameter is less than the third
Time parameter, the third time parameter are less than second time parameter.
7. a kind of electronic device is suitable for a video wall, which is characterized in that the video wall includes multiple displays, those displays
Device includes one first display group and a second display group, the electronic device include:
One first input end receives one first image data；
One second input terminal receives one second image data；
Multiple output ends selectively export first image data and second image data to the first display group；
One Inverse problem element couples the first input end, second input terminal and those output ends；
One counter generates one first gate time point and one second gate time point；
One transport interface；And
One processing element, generating in the first gate time point has a first control signal of a first time parameter to control
The Inverse problem element, and will have a second control signal of one second time parameter via this in the second gate time point
Transport interface is sent to a controlled device, which exports a third image data according to second time parameter and extremely should
Second display group；
Wherein, which controls the Inverse problem element according to the first time parameter switching so that those output ends will be defeated
Be switching to second image data to first image data of the first display group out, and second image data and
The third image data is synchronous and accordingly exports to the first display group and the second display group.
8. electronic device as claimed in claim 7, which is characterized in that the first gate time point and the second gate time point
Identical, the first time parameter is identical as second time parameter.
9. electronic device as claimed in claim 8, which is characterized in that the processing element returned according to the controlled device one
It is ready to complete signal and decides whether that reseting the first time parameter and second time parameter becomes a third time parameter,
And then it controls the Inverse problem element and is switched according to the third time parameter so that those output ends will be exported to first display
First image data of device group is switching to second image data, and the controlled device is defeated according to the third time parameter
For the third image data to the second display group, second image data and the third image data are synchronous and corresponding out
Ground is exported to the first display group and the second display group, which is less than second time parameter.
10. electronic device as claimed in claim 7, which is characterized in that when the second gate time point is later than first counting
Between point, second time parameter be less than the first time parameter.
11. electronic device as claimed in claim 10, which is characterized in that the first gate time point and second gate time
Difference between point is identical as the difference between the first time parameter and second time parameter.
12. electronic device as claimed in claim 10, which is characterized in that the processing element is returned according to the controlled device
Steady completes signal and decides whether that reset the first time parameter and second time parameter joins as the third time
Several and one the 4th time parameter, and then control the Inverse problem element and switched according to the third time parameter so that those are exported
First image data of output to the first display group is switching to second image data by end, the controlled device root
The third image data is exported to the second display group, second image data and the third according to the 4th time parameter
Image data is synchronous and accordingly exports to the first display group and the second display group, the 4th time parameter
Less than the third time parameter, which is less than second time parameter.
13. a kind of image synchronous method is suitable for a Video Wall Display System, which is characterized in that the Video Wall Display System includes a TV
Wall, one first image switching device and one second image switching device, the video wall include multiple displays, those displays
Comprising one first display group and a second display group, which includes:
Generate one first gate time point and one second gate time point；
Sending in the first gate time point, there is a first control signal of a first time parameter to first image to switch
Device so that first image switching device according to the first time parameter switching image data source；And
Sending in the second gate time point, there is a second control signal of one second time parameter to second image to switch
Device is so that second image switching device switches image data source according to second time parameter；
Wherein first image switching device and second image switching device are synchronous and right after switching image data source
Export respective image data with answering to the first display group and the second display group.
14. image synchronous method as claimed in claim 13, which is characterized in that send the first control signal and this
Before two control signals, further include: by the counter tune in first image switching device and second image switching device
Whole is the identical counting period.
15. image synchronous method as claimed in claim 14, which is characterized in that the first gate time point and second meter
Number time points are identical so that the first control signal and the second control signal are synchronous and be accordingly sent to first shadow
As switching device and second image switching device, and the first time parameter and second time parameter it is identical so that
First image switching device and the second image switching device synchronism switching image data source.
16. image synchronous method as claimed in claim 14, which is characterized in that the second gate time point is later than first meter
Number time point is so that the first control signal and the second control signal sequentially and are accordingly sent to first image and cut
Changing device and second image switching device, and second time parameter is less than the first time parameter so that first shadow
As switching device and the second image switching device synchronism switching image data source.
17. image synchronous method as claimed in claim 16, which is characterized in that the first gate time point and second counting
Difference between time point is identical as the difference between the first time parameter and second time parameter.
18. image synchronous method as claimed in claim 13, which is characterized in that before switching image data source, according to
At least one generated steady of first image switching device and second image switching device complete signal and
Decide whether the first time parameter and second time parameter adjustment becoming a third time parameter, third time ginseng
Number is less than the first time parameter and second time parameter.
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Also Published As
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| TW201929536A (en) | 2019-07-16 |
| TWI679895B (en) | 2019-12-11 |
| CN109936706B (en) | 2022-04-05 |
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