CN100511415C - Image playing device, system and method - Google Patents

Image playing device, system and method Download PDF

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Publication number
CN100511415C
CN100511415C CNB2006100017690A CN200610001769A CN100511415C CN 100511415 C CN100511415 C CN 100511415C CN B2006100017690 A CNB2006100017690 A CN B2006100017690A CN 200610001769 A CN200610001769 A CN 200610001769A CN 100511415 C CN100511415 C CN 100511415C
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signal
image
frequency
display device
processing
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CN101009086A (en
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黄伟智
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Princeton Technology Corp
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Princeton Technology Corp
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Abstract

This invention provides one video play device, system and method, wherein, the device is to provide one image signal and one display device; the video device comprises selection unit, frequency generation unit, adjust unit and process unit, wherein, the selection unit outputs line by line scanning form first signals or second one with scan form; frequency generation unit outputs first or second frequency according to selection signals; adjust unit processes for first degree on selection unit output signals to generate process signals.

Description

Image player, system and method
Technical field
The present invention is a kind of image player, particularly relevant for a kind of with the progressive scan mode or the image player of interlace mode playing video.
Background technology
The method that general display device (for example TV or computer screen) presents image can be divided into lining by line scan and present and staggered scanning presents.The staggered scanning presentation mode develops for a long time, and most on the market televisor is exactly that the mode of utilizing staggered scanning to present is come playing video at present.But in recent years, the display device with the presentation mode of lining by line scan also day by day increases.Therefore, the image player that provides signal of video signal to give display device, the signal of video signal that must can have the signal of video signal that progressive-scan format is provided concurrently and have the staggered scanning form.
Fig. 1 shows existing image player.As shown in the figure, image player 11 comprises adjustment unit 13, interlacing adjustment unit 15 and processing unit 17 line by line.Adjustment unit 13 has the signal S of progressive-scan format in order to adjustment line by line P Interlacing adjustment unit 15 has the signal S of staggered scanning form in order to adjustment IProcessing unit 17 receives and handles adjusted signal S PAnd S I, and the signal S after will handling PAnd S I Export display device 10 to.
Suppose that display device 10 presents a picture and needs 525 sweep traces.When being configured to staggered scanning, display device 10 is current, then processed the signal S of processing unit 17 outputs with staggered scanning form IGive display device 10.Display device 10 is presented on signal odd number bar sweep trace (1,3,5...) earlier, and then is presented in even number bar sweep trace (2,4,6...).By the presentation mode of oem character set, just can produce the effect of dynamic image.
In addition,, display device 10 is current, processed the signal S of processing unit 17 outputs with progressive-scan format when being configured to line by line scan PGive display device 10.Display device 10 presents signal in the mode of lining by line scan.Presentation mode is to line by line scan with the sweep frequency of twice owing to line by line scan.Therefore, the line by line scan picture of presentation mode is more careful than the picture of staggered scanning presentation mode.But the data volume of the presentation mode of lining by line scan is more than the data volume that staggered scanning presents usually.
Yet existing image player need have adjustment unit and interlacing adjustment unit line by line simultaneously, can export the signal S with progressive-scan format PAnd signal S with staggered scanning form I, could be upward unrestricted in using.Also therefore, the cost of existing image player is higher, and volume is also bigger.
Summary of the invention
The invention provides a kind of image player, give display device in order to signal of video signal to be provided.Image player of the present invention comprises selected cell, frequency generation unit, adjustment unit and processing unit.Selected cell is according to the state of selecting signal, and output has first signal of progressive-scan format or has the secondary signal of staggered scanning form; Wherein, the state of this selection signal is selected to determine by a user.The frequency generation unit is according to the state of selecting signal, output first or second frequency.The frequency that adjustment unit is exported according to the frequency generation unit, the signal that this selected cell is exported carries out the phase one processing, to produce processing signals.Processing unit carries out subordinate phase to processing signals to be handled, in order to produce signal of video signal.
Image player of the present invention, this first frequency are the twices for this second frequency.
Image player of the present invention, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
Image player of the present invention, this subordinate phase are handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
Image player of the present invention, this signal of video signal are received by the S terminal of this display device, AV terminal or aberration terminal.
The present invention provides a kind of image playing system in addition, comprises display device and image player.Display device presents picture according to signal of video signal.Image player comprises selected cell, frequency generation unit, adjustment unit and processing unit.Selected cell is according to the state of selecting signal, and output has first signal of progressive-scan format or has the secondary signal of staggered scanning form; Wherein, the state of this selection signal is selected to determine by a user.The frequency generation unit is according to the state of selecting signal, output first or second frequency.The frequency that adjustment unit is exported according to the frequency generation unit, the signal that this selected cell is exported carries out the phase one processing, to produce processing signals.Processing unit carries out subordinate phase to processing signals to be handled, in order to produce signal of video signal.
Image playing system of the present invention, this first frequency are the twices for this second frequency.
Image playing system of the present invention, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
Image playing system of the present invention, this subordinate phase are handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
Image playing system of the present invention, this display device are to be a televisor or a computer screen.
Image playing system of the present invention, this image player are to be a DVD playing device.
Image playing system of the present invention, this signal of video signal are received by the S terminal of this display device, AV terminal or aberration terminal.
The present invention also provides a kind of image playing method, is applicable in the image playing system.Image playing system comprises display device and image player.Image playing method of the present invention comprises that image player provides first signal with progressive-scan format or has the secondary signal of staggered scanning form according to the state of selecting signal; Wherein, the state of this selection signal is selected to determine by a user; Image player is according to the state of selecting signal, provides first or second frequency; Image player first the processing stage in, utilize first or second frequency adjust first or secondary signal, to produce processing signals; Image player second the processing stage in, handle this processing signals to produce signal of video signal; Display device is then used and is play this signal of video signal.
Image playing method of the present invention more comprises: this display device presents one and selects picture to select for the user, and wherein this selection picture has a plurality of options; This image player is controlled the state of this selection signal according to the selected option of user.
Image playing method of the present invention, this first frequency are the twices for this second frequency.
Image playing method of the present invention, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
Image playing method of the present invention, this subordinate phase are handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
Image player of the present invention, system and method can reduce the quantity of element, and can effectively reduce the volume of playing device.
Description of drawings
Fig. 1 shows existing image player;
Fig. 2 shows the synoptic diagram of image playing system of the present invention;
Fig. 3 a shows the synoptic diagram of selecting picture;
Fig. 3 b shows another selection picture 300;
One possibility embodiment of Fig. 4 display processing unit;
Fig. 5 shows the process flow diagram of image playing method of the present invention.
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below:
Fig. 2 shows the synoptic diagram of image playing system of the present invention.As shown in the figure, image playing system comprises display device 20 and image player 21.Display device 20 is in order to receive the signal of video signal S that image player 21 (for example DVD playing device) is provided IMA, and present signal of video signal S IMAPairing image frame.
Display device 20 can be televisor or computer screen.When display device 20 is televisor, then can see through aberration terminal, S terminal or AV terminal reception signal of video signal S from image player 21 IMAWhen display device 20 is computer screen, then need see through the signal of video signal S of image interface reception from image player 21 IMA, carry out image again and play.
When seeing through the aberration terminal, display device 20 receives the signal of video signal S that image player 21 is exported IMAThe time, signal of video signal S then IMAComprise image brilliance signal Y and colour difference signal Pb and Pr.When seeing through the S terminal, display device 20 receives the signal of video signal S that image player 21 is exported IMAThe time, signal of video signal S then IMAComprise image brilliance signal Y and image carrier chrominance signal C.When seeing through AV terminal, display device 20 receives the signal of video signal S that image player 21 is exported IMAThe time, signal of video signal S then IMAComposite image signal CVBS for image brilliance signal Y and image carrier chrominance signal C be combined into.When display device 20 is a computer screen, see through image interface and receive the signal of video signal S that image player 21 is exported IMAThe time, signal of video signal S then IMAComprise color signal R, G and B.
Present picture and line by line scan and present the function of picture because display device 20 has staggered scanning, so image player 21 is exported the signal of video signal S that gives display device 20 at the beginning IMACan make display device 20 present one and select picture, in order to allow the user select staggered scanning to present picture or to line by line scan to present picture.Fig. 3 a is for selecting the synoptic diagram of picture.As shown in the figure, the selection picture 30 that display device 20 is presented has two kinds of options, and the one, the option 31 of lining by line scan and presenting, another is the option 33 that staggered scanning presents.
When the user selects to line by line scan the option 31 that presents, then one select signal S SELState can be configured to first state.When the user selects option 33 that staggered scanning presents, then select signal S SELState can be configured to second state.Image player 21 is according to selecting signal S SELState, the signal of video signal S of display device 20 is given in decision output IMABe to have progressive-scan format or staggered scanning form.
Fig. 3 b shows another selection picture 300.After the user selected option 33 that staggered scanning presents, display device 20 can present another and select picture 300.Select picture 300 to comprise option 301～304.Option 301 expressions have the signal of video signal S of staggered scanning form IMAIt is aberration terminal reception by display device 20.Option 302 expressions have the signal of video signal S of staggered scanning form IMAIt is S terminal reception by display device 20.Option 303 expressions have the signal of video signal S of staggered scanning form IMAIt is AV terminal reception by display device 20.Option 304 expressions have the signal of video signal S of staggered scanning form IMAIt is image interface reception by display device 20.
Image player 21 comprises, selected cell 23, frequency generation unit 25, adjustment unit 27 and processing unit 29.
Selected cell 23 is according to selecting signal S SELState, output signal S POr signal SI; Wherein, signal S PHave progressive-scan format, and signal S IHas the staggered scanning form.In the present embodiment, when selecting signal S SELDuring for high logic level, selected cell 23 output signal S then P, when selecting signal S SELDuring for low logic level, selected cell 23 output signal S then I
Frequency generation unit 25 is according to selecting signal S SELState, output frequency signal S FIn the present embodiment, when selecting signal S SELDuring for high logic level, frequency signal S FFrequency be first frequency, when selecting signal S SELDuring for low logic level, frequency signal S FFrequency be second frequency, wherein first frequency is the twice of second frequency.
The frequency signal S that adjustment unit 27 is exported according to frequency generation unit 25 F, the signal that selected cell 23 is exported carries out the phase one processing, to produce a processing signals S PRWhen the signal of selecting unit 23 to be exported is for having the signal S of progressive-scan format PThe time, the processing signals S that adjustment unit 27 is produced PRIt also is progressive-scan format.When the signal of selecting unit 23 to be exported is for having the signal S of staggered scanning form IThe time, the processing signals S that adjustment unit 27 is produced PRAlso be the staggered scanning form.
Because the signal S of progressive-scan format PData volume be different from signal S with staggered scanning form IData volume, so adjustment unit 27 needs the frequency signal according to correspondence, the signal that selected cell 23 is exported carries out the phase one to be handled.Phase one handles and comprises brightness processed, contrast processing or color treatments.Because the phase one handles and is well known to those skilled in the art, so repeat no more.
29 couples of processing signals S of processing unit PRCarry out a subordinate phase and handle, in order to produce signal of video signal S IMASubordinate phase is handled and is comprised that conversion process, synchronous processing, color benchmark are handled, anti-record processing, noise processed or encoding process.Similarly, as processing signals S PRDuring for progressive-scan format, the signal of video signal S that produced of processing unit 29 then IMAAlso has progressive-scan format; As processing signals S PRDuring for the staggered scanning form, the signal of video signal S that produced of processing unit 29 then IMAAlso has the staggered scanning form.
One of Fig. 4 display processing unit may embodiment.As shown in the figure, processing unit 29 comprises conversion processor 291, synchronous processing device 292, color benchmark processor 293, anti-record processor 294, noise processor 295 and encode processor 296.
When the option 301 in the selected selection of the user picture 300, conversion processor 291 just will have the processing signals S of staggered scanning form PRConvert image brilliance signal Y to IAnd colour difference signal Pb IAnd Pr IWhen the option 302 in the selected selection of the user picture 300, conversion processor 291 just will have the processing signals S of staggered scanning form PRConvert image brilliance signal Y to IAnd image carrier chrominance signal C.
When the option 303 in the selected selection of the user picture 300, conversion processor 291 just will have the processing signals S of staggered scanning form PRConvert image brilliance signal Y to IAnd the composite image signal CVBS of image carrier chrominance signal C institute be combined into.When the option 304 in the selected selection of the user picture 300, conversion processor 291 just will have the processing signals S of staggered scanning form PRConvert color signal R, G and B to.
When the option 31 in the selected selection of the user picture 30, conversion processor 291 just will have the processing signals S of progressive-scan format PRConvert image brilliance signal Y to PAnd colour difference signal Pb PAnd Pr P
The output signal of synchronous processing device 292 synchronization conversion processors 291.Color benchmark processor 293 is done the color benchmark with the output signal of synchronous processing device 292 and is handled.Anti-record processor 294 is done anti-record with the output signal of color benchmark processor 293 and is handled.The noise of the output signal of the anti-record of noise processor 295 filterings processor 294.The output signal of encode processor 296 coding noise processors 295.
Because the conversion processor 291 during subordinate phase is handled, synchronous processing device 292, color benchmark processor 293, anti-record processor 294, noise processor 295 or the principle of operation of encode processor 296 all is well known to those skilled in the art are so repeat no more.
In the present embodiment, encode processor 296 has digital-analog convertor (hereinafter to be referred as DAC) 41～43.DAC 41 has the image brilliance signal Y of staggered scanning form in order to coding I, color signal R or have the image brilliance signal Y of progressive-scan format PDAC42 in order to coding image carrier chrominance signal C, color signal G, have the colour difference signal Pb of staggered scanning form I, or have the colour difference signal Pb of progressive-scan format PDAC 43 has the colour difference signal Pr of progressive-scan format in order to coding P, color signal B, have the colour difference signal Pr of staggered scanning form I, or composite image signal CVBS.
In addition, in the present embodiment, image player 21 is to couple display device 20 by AV terminal, it is presented select picture 30 and 300.When the user selected option 31, then image player 21 can change the signal of video signal S that is had progressive-scan format by the output of aberration terminal IMA
When the user selected option 33, image player 21 can be according to the user at the option of selecting picture 300, the signal of video signal S of decision staggered scanning form IMABe by which terminal output.When the user selects option 301, then image player 21 will have the signal of video signal S of staggered scanning form IMAExport by the aberration terminal.When the user selects option 302, then image player 21 will have the signal of video signal S of staggered scanning form IMAExport by the S terminal.When the user selects option 303, then image player 21 will have the signal of video signal S of staggered scanning form IMAExport by AV terminal.When the user selects option 304, then image player 21 will have the signal of video signal S of staggered scanning form IMAExport by image interface.Otherwise, also can select the signal of video signal S of output staggered scanning form by selecting picture 30 and 300 IMAAnd the terminal of selecting signal of video signal to export.
Fig. 5 shows the process flow diagram of image playing method of the present invention.Image playing method of the present invention is applicable in the image playing system that this image playing system comprises a display device and an image player.The Fig. 2 that please arrange in pairs or groups below will describe image playing method of the present invention in detail.
Image player 21 is selected signal S according to one SELState, the S of the signal with progressive-scan format is provided POr has the signal S of staggered scanning form I, shown in step 510.Suppose, select signal S SELDuring for high logic level, then image player 21 provides signal S P, and select signal S SELDuring for low logic level, then image player 21 provides signal S I
In addition, select signal S in order to control SELState, image player 21 can provide one to select picture 30 to select for users earlier.When the user selects option 31, then select signal S SELBe high logic level; When the user selects option 33, then select signal S SELBe low logic level.
Then, image player 21 is again according to selecting signal S SELState, frequency signal S is provided F, shown in step 520.In the present embodiment, when selecting signal S SELDuring for high logic level, frequency signal S FFrequency be first frequency, when selecting signal S SELDuring for low logic level, frequency signal S FFrequency be second frequency; Wherein first frequency is the twice of second frequency.
Then, image player 21 one first the processing stage in, utilize frequency signal S FFrequency adjusted signal S POr S IBrightness, contrast or color, to produce a processing signals S PR, shown in step 530.Owing to be well known to those skilled in the art the processing stage of first, so repeat no more.
In the present embodiment, image player 21 utilizes the frequency signal S with first frequency FAdjust signal S P, and utilize frequency signal S with second frequency FAdjust signal S I
Then, image player 21 one second the processing stage in, to processing signals S PRHandle to produce signal of video signal S IMA, shown in step 540.Comprise conversion process, synchronous processing, the processing of color benchmark, anti-record processing, noise processed or encoding process processing stage of second.Owing to be well known to those skilled in the art the processing stage of second, so repeat no more.
At last, image player 21 is with signal of video signal S IMADisplay device 20 is given in output, makes it present signal of video signal S IMAPairing image frame is shown in step 550.When the user selected option 31, then display device 20 was to present picture with the presentation mode of lining by line scan; When the user selected option 33, then display device 20 was to present picture with the staggered scanning presentation mode.
In sum, existing image player need be provided with adjustment unit and interlacing adjustment unit line by line, can do the image quality adjustment to the signal that has progressive-scan format and have a staggered scanning form.Yet image player of the present invention only need be provided with an adjustment unit, just can carry out the image quality adjustment to the signal that signal of video signal with progressive-scan format or output have the staggered scanning form, therefore the quantity of element can be reduced, and the volume of playing device can be effectively reduced.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
10,20: display unit
11,21: image player
13: adjustment unit line by line
15: the interlacing adjustment unit
17,29: processing unit
23: selected cell
25: the frequency generation unit
27: adjustment unit
291: conversion processor
292: synchronous processing device
293: color benchmark processor
294: anti-record processor
295: noise processor
296: encode processor
30,300 select picture
31,33,301～304: option
41～43：DAC

Claims (17)

1. an image player gives a display device in order to a signal of video signal to be provided, and it is characterized in that described image player comprises:
One selected cell, according to the state of a selection signal, output has one first signal of progressive-scan format or has a secondary signal of staggered scanning form; Wherein, the state of this selection signal is selected to determine by a user;
One frequency generation unit according to this state of selecting signal, exports one first or second frequency;
One adjustment unit, according to the frequency that this frequency generation unit is exported, the signal that this selected cell is exported carries out phase one processing, to produce a processing signals; And
One processing unit carries out a subordinate phase to this processing signals and handles, in order to produce this signal of video signal.
2. image player according to claim 1 is characterized in that, this first frequency is the twice for this second frequency.
3. image player according to claim 1 is characterized in that, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
4. image player according to claim 1 is characterized in that, this subordinate phase is handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
5. image player according to claim 1 is characterized in that, this signal of video signal is received by the S terminal of this display device, AV terminal or aberration terminal.
6. an image playing system is characterized in that, described image playing system comprises:
One display device presents picture according to a signal of video signal; And
One image player comprises:
One selected cell, according to the state of a selection signal, output has one first signal of progressive format or has a secondary signal of interlaced format; Wherein, the state of this selection signal is selected to determine by a user;
One frequency generation unit according to this state of selecting signal, exports one first or second frequency;
One adjustment unit, according to the frequency that this frequency generation unit is exported, the signal that this selected cell is exported carries out phase one processing, to produce a processing signals; And
One processing unit carries out a subordinate phase to this processing signals and handles, in order to produce this signal of video signal.
7. image playing system according to claim 6 is characterized in that, this first frequency is the twice for this second frequency.
8. image playing system according to claim 6 is characterized in that, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
9. image playing system according to claim 6 is characterized in that, this subordinate phase is handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
10. image playing system according to claim 6 is characterized in that, this display device is to be a televisor or a computer screen.
11. image playing system according to claim 6 is characterized in that, this image player is to be a DVD playing device.
12. image playing system according to claim 6 is characterized in that, this signal of video signal is received by the S terminal of this display device, AV terminal or aberration terminal.
13. an image playing method is applicable in the image playing system that this image playing system comprises a display device and an image player, it is characterized in that, this image playing method comprises:
This image player provides one first signal with progressive-scan format or has a secondary signal of staggered scanning form according to the state of a selection signal; Wherein, the state of this selection signal is selected to determine by a user;
This image player is according to this state of selecting signal, provides one first or second frequency;
This image player one first the processing stage in, utilize this first or second frequency adjust this first or secondary signal, to produce a processing signals;
This image player one second the processing stage in, handle this processing signals to produce a signal of video signal; And
This display device is play this signal of video signal.
14. image playing method according to claim 13 is characterized in that, more comprises:
This display device presents one and selects picture to select for the user, and wherein this selection picture has a plurality of options;
This image player is controlled the state of this selection signal according to the selected option of user.
15. image playing method according to claim 13 is characterized in that, this first frequency is the twice for this second frequency.
16. image playing method according to claim 13 is characterized in that, this phase one handles and comprises: a brightness processed, a contrast are handled or a color treatments.
17. image playing method according to claim 13 is characterized in that, this subordinate phase is handled and comprised: a conversion process, is handled synchronously, color benchmark place reason, is prevented record processing, a noise processed or an encoding process.
CNB2006100017690A 2006-01-25 2006-01-25 Image playing device, system and method Expired - Fee Related CN100511415C (en)

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CN102789800A (en) * 2012-08-07 2012-11-21 广州番禺巨大汽车音响设备有限公司 DVD (Digital Video Disk) disc player supporting progressive scanning
CN107731147B (en) * 2017-10-25 2020-03-31 深圳市华星光电半导体显示技术有限公司 Scan driver and method of driving the same

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CN1331887A (en) * 1998-12-22 2002-01-16 松下电器产业株式会社 Video signal reproducing device
CN1571495A (en) * 2003-07-21 2005-01-26 上海乐金广电电子有限公司 Method for processing output signal in optical disk apparatus according to scanning mode of TV set

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Publication number Priority date Publication date Assignee Title
CN1331887A (en) * 1998-12-22 2002-01-16 松下电器产业株式会社 Video signal reproducing device
CN1571495A (en) * 2003-07-21 2005-01-26 上海乐金广电电子有限公司 Method for processing output signal in optical disk apparatus according to scanning mode of TV set

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