CN201601736U - LED video signal processor - Google Patents
LED video signal processor Download PDFInfo
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- CN201601736U CN201601736U CN2009202616826U CN200920261682U CN201601736U CN 201601736 U CN201601736 U CN 201601736U CN 2009202616826 U CN2009202616826 U CN 2009202616826U CN 200920261682 U CN200920261682 U CN 200920261682U CN 201601736 U CN201601736 U CN 201601736U
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Abstract
The utility model relates to an LED video signal processor, wherein a video image processor is in the signal connection with a micro-processor, an audio/video input and processing module, a video converter, an HDMI encoder and an SDRAM respectively; the micro-processor is also in the signal connection with the audio/video input and processing module, a FLASH, a liquid crystal output interface, a computer control interface and a button infrared input interface respectively; the audio/video input and processing module is also in the signal connection with an audio/video input interface and an audio output module respectively; the video converter is also in the signal connection with a video output interface; and the HDMI encoder is also in the signal connection with an HDMI output interface respectively. The video converter at least is a video signal processing chip with the 12bit dual/signal-channel processing capacity, and the HDMI encoder at least is an audio/video HDMI 1.3a encoder with the 36bit color width.
Description
Technical field
The utility model relates to the LED equipment technical field, more particularly, relates to a kind of LED video signal preprocessor.
Background technology
Large-scale high definition true color LED display has become the sign of modernization, internationalized city, it can play Word message, animated advertising, video image, day by day in advertisement, physical culture, traffic, finance, communication, commerce, all trades and professions such as perform in a radio or TV programme and be widely used.The technological core of LED display is the LED display control system, and it comprises front end digital video image processor and rear end LED screen controller.The main task of rear end LED screen controller is to realize the demonstration of video information on the LED display media, and front end digital video image processor then plays crucial effects to the display quality of video information on the LED display media.
In the prior art, the control gray scale of rear end LED screen controller has developed into the 16bit/ look, and front end digital video image processor is just from the 8bit/ chromogenic development to the 10bit/ look, can not satisfy the demand of rear end LED screen controller far away, thereby influence improving constantly of LED full-color screen display quality to a certain extent.Front end digital video image processor is connected the general DVI of employing interface with rear end LED screen controller simultaneously, does not support the collinear transmission of audio frequency.
The utility model content
The technical problems to be solved in the utility model is, a kind of LED video signal preprocessor of the 12bit of support high-definition signal is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of LED video signal preprocessor, it is characterized in that, described LED video signal preprocessor inside comprises audio frequency and video input interface, audio frequency and video input processing module, video image processor, microprocessor, SDRAM, FLASH, HDMI encoder, HDMI output interface, video converter, video output interface, audio frequency output module, liquid crystal output interface, computer control interface and the infrared input interface of button, wherein:
Described video image processor signal connects described microprocessor, audio frequency and video input processing module, video converter, HDMI encoder, SDRAM respectively;
Described microprocessor also divides level signal to connect described audio frequency and video input processing module, FLASH, liquid crystal output interface, computer control interface and the infrared input interface of button;
Described audio frequency and video input processing module also divides level signal to connect described audio frequency and video input interface, audio frequency output module and HDMI encoder;
Described video converter also signal connects described video output interface;
Described HDMI encoder also signal connects described HDMI output interface.
Wherein, preferred, described video converter is at least the vision signal process chip with the two or single-pass process ability of 12bit;
Wherein, preferred, described HDMI encoder is at least has 36bit look wide audio frequency and video HDMI1.3a encoder.
Wherein, preferred, described audio frequency and video input interface comprises 3G serial high definition input interface, HD serial high definition input interface or SD serial high definition input interface.
Wherein, preferred, described audio frequency output module comprises standard multichannel audio output module and headphone monitor output module.
Implement the technical solution of the utility model, have following beneficial effect: the LED video signal preprocessor that the utility model provides, can support the 12bit high-definition signal, to satisfy the demand of rear end LED screen controller.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the LED video signal preprocessor that provides according to the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment provides a kind of LED (light-emitting diode) video signal preprocessor, as shown in Figure 1, described LED video signal preprocessor inside comprises audio frequency and video input interface 201, audio frequency and video input processing module 101, video image processor 102, microprocessor 103, SDRAM (SynchronousDRAM, Synchronous Dynamic Random Access Memory) 104, FLASH (flash memory) 105, HDMI (HDMI (High Definition Multimedia Interface)) encoder 106, HDMI output interface 204, video converter 107, video output interface 205, audio frequency output module 206, liquid crystal output interface 207, the infrared input interface 203 of computer control interface 202 and button, above-mentioned each device can be arranged on same PCB (printed circuit board (PCB)) plate 100 simultaneously, preferably, described video converter 107 is at least the vision signal process chip with the two or single-pass process ability of 12bit; Described HDMI encoder 106 is at least has 36bit look wide audio frequency and video HDMI1.3a encoder.
Wherein:
102 fens level signals of described video image processor connect described microprocessor 103, audio frequency and video input processing module 101, video converter 107, HDMI encoder 106, SDRAM 104; Wherein, described SDRAM 104 adopts the memory that is complementary with video image processor 102, as screen buffer.
The infrared input interface 203 of button that described microprocessor 103 also divides level signal to connect described audio frequency and video input processing module 101, FLASH105, liquid crystal output interface 207, be used to carry out the computer control interface 202 of PC control and be used to receive keyboard/infrared input; Described microprocessor 103 is responsible for man-machine Interface Control, the communication that reaches with audio frequency and video input processing module 101, video image processor 102 is handled in liquid crystal display; FLASH105 is used to store OSD (On Screen Display shows) and control data on screen.
Described audio frequency and video input processing module 101 also divides level signal to connect described audio frequency and video input interface 201, audio frequency output module 206 and the HDMI encoder 106 that is used to receive all the other video inputs.
Described video converter 107 is gone back signal and is connected described video output interface 205; Described video converter 107 will convert the second tunnel vision signal of appointment from the vision signal that video image processor 102 obtains to, for example second way word HDMI1.3a output, perhaps optionally analog video output, as VGA (VideoGraphic Array, show the drawing array) or other analog signal, output to video output (second output) interface 205 for monitor or other purposes, select for use for the user, in order to broadcast the similar and different program of two covers.
Described HDMI encoder 106 is gone back signal and is connected described HDMI output interface 204.106 pairs of inputs of described HDMI encoder are finished has 36bit look wide audio frequency and video HDMI1.3a coding, output to HDMI output interface 204, its preferred chip adopts a HDMI1.3 transmitter chip that aims at a new generation and need to support Blu-ray player/HD-DVD player of dark (DeepColor) and high bit rate HD Audio, CD writer and design of SiI9134[].。
In the present embodiment, 101 pairs of audio frequency and video inputs of described audio frequency and video input processing module are decoded, switch and signal conversion processes, decoded signal comprises various simulations, digital signal, and make conversion of signals and handle line by line according to the video input that Instruction Selection is set, the high-definition video signal that generates 36bit RGB 1920 * 1080P outputs to video image processor 102, audio frequency outputs to audio frequency output module 206 and HDMI encoder 106, preferred master chip is SiI9251/9261, it has four HDMI/MHL input interfaces, 4 road 12-bit170MSPS AD converter, support the input and output of x.v.Color and 36bit color range to handle, when inner 4:2:2 to 4:4:4 changes, can be accurate to 14bit, and be integrated with the CEC functional module, each HDMI port all has an integrated EDID.Audio frequency and video input processing module 101 can be exported the two-path video signal to video image processor 102.
Described video image processor 102 is done the image optimization process according to instruction to the video data of input, preferred chip adopts SIGMA (Sigma company) to support the high-end GF9452 chip that the 12bit binary channels is handled, its function comprises noise suppressed, color transformed, color correction, gamma is corrected, details strengthens, edge-smoothing, the conversion of frame speed, many picture controls, image zoom, film mode detection, moving image is handled, OSD control etc., it is (red to generate high-quality 36bit RGB, green, Lan Sanse) high-definition video signal of 1920 * 1080P outputs to HDMI encoder 106 and video converter 107, support picture-in-picture (PIP), draw picture (POP), picture out picture (PBP) function, the highest display resolution can reach 2048 * 2048.
In the present embodiment, preferred, described audio frequency and video input interface 201 comprises 3G serial high definition input interface, HD serial high definition input interface or SD serial high definition input interface.
In the present embodiment, preferred, described audio frequency output module 206 comprises standard multichannel audio output module and headphone monitor output module.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. LED video signal preprocessor, it is characterized in that, described LED video signal preprocessor inside comprises audio frequency and video input interface (201), audio frequency and video input processing module (101), video image processor (102), microprocessor (103), SDRAM (104), FLASH (105), HDMI encoder (106), HDMI output interface (204), video converter (107), video output interface (205), audio frequency output module (206), liquid crystal output interface (207), computer control interface (202) and the infrared input interface of button (203), wherein:
Described video image processor (102) signal connects described microprocessor (103), audio frequency and video input processing module (101), video converter (107), HDMI encoder (106) and SDRAM (104) respectively;
Described microprocessor (103) also divides level signal to connect described audio frequency and video input processing module (101), FLASH (105), liquid crystal output interface (207), computer control interface (202) and the infrared input interface of button (203);
Described audio frequency and video input processing module (101) also divides level signal to connect described audio frequency and video input interface (201), audio frequency output module (206);
Described video converter (107) is gone back signal and is connected described video output interface (205);
Described HDMI encoder (106) is gone back signal and is connected described HDMI output interface (204).
2. LED video signal preprocessor according to claim 1 is characterized in that, described video converter (107) is at least the vision signal process chip with the two or single-pass process ability of 12bit.
3. LED video signal preprocessor according to claim 1 is characterized in that described HDMI encoder (106) is at least has 36bit look wide audio frequency and video HDMI1.3a encoder.
4. LED video signal preprocessor according to claim 1 is characterized in that described audio frequency and video input interface (201) comprises 3G serial high definition input interface, HD serial high definition input interface or SD serial high definition input interface.
5. LED video signal preprocessor according to claim 1 is characterized in that described audio frequency output module (206) comprises standard multichannel audio output module and headphone monitor output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202616826U CN201601736U (en) | 2009-12-18 | 2009-12-18 | LED video signal processor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202616826U CN201601736U (en) | 2009-12-18 | 2009-12-18 | LED video signal processor |
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| CN201601736U true CN201601736U (en) | 2010-10-06 |
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| CN2009202616826U Expired - Fee Related CN201601736U (en) | 2009-12-18 | 2009-12-18 | LED video signal processor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254513A (en) * | 2011-07-14 | 2011-11-23 | 康佳集团股份有限公司 | Multifunctional control system for light-emitting diode (LED) display screen |
| CN102833513A (en) * | 2012-06-29 | 2012-12-19 | 惠州市德赛视听科技有限公司 | High-definition player |
| CN103747320A (en) * | 2013-12-27 | 2014-04-23 | 京东方科技集团股份有限公司 | Double-vision display device and double-vision display method |
-
2009
- 2009-12-18 CN CN2009202616826U patent/CN201601736U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254513A (en) * | 2011-07-14 | 2011-11-23 | 康佳集团股份有限公司 | Multifunctional control system for light-emitting diode (LED) display screen |
| CN102254513B (en) * | 2011-07-14 | 2015-07-29 | 康佳集团股份有限公司 | A kind of LED display multifunction control system |
| CN102833513A (en) * | 2012-06-29 | 2012-12-19 | 惠州市德赛视听科技有限公司 | High-definition player |
| CN102833513B (en) * | 2012-06-29 | 2015-10-28 | 惠州市德赛视听科技有限公司 | High definition player |
| CN103747320A (en) * | 2013-12-27 | 2014-04-23 | 京东方科技集团股份有限公司 | Double-vision display device and double-vision display method |
| WO2015096457A1 (en) * | 2013-12-27 | 2015-07-02 | 京东方科技集团股份有限公司 | Display device and display method |
| US9369634B2 (en) | 2013-12-27 | 2016-06-14 | Boe Technology Group Co., Ltd. | Display device and display method |
| CN103747320B (en) * | 2013-12-27 | 2017-02-22 | 京东方科技集团股份有限公司 | Double-vision display device and double-vision display method |
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Granted publication date: 20101006 Termination date: 20121218 |