CN202424900U - Universal high-definition-to-standard-definition converter - Google Patents
Universal high-definition-to-standard-definition converter Download PDFInfo
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- CN202424900U CN202424900U CN2012200285498U CN201220028549U CN202424900U CN 202424900 U CN202424900 U CN 202424900U CN 2012200285498 U CN2012200285498 U CN 2012200285498U CN 201220028549 U CN201220028549 U CN 201220028549U CN 202424900 U CN202424900 U CN 202424900U
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Abstract
The utility model provides a universal high-definition-to-standard-definition converter which comprises a high-definition multimedia interface (HDMI) video input device, an image processing device, a composite video broadcast signal (CVBS) output device, a video graphics array (VGA)/YPBPR output device, a power management device, an audio output device and a central control device, wherein the HDMI video input device is connected with the image processing device through a wire; the CVBS output device is connected with the image processing device through a wire; the VGA/YPBPR output device is connected with the image processing device through a wire; the audio output device is connected with the image processing device through a wire; and the central control device is connected with the HDMI video input device through a wire, then connected the image processing device through a wire and connected with the audio output device through a wire. The converter can meet the field demand of a user for conversion from high-definition to standard-definition.
Description
Technical field
The utility model relates to the switch technology field of video, particularly relates to the omnipotent transducer that a kind of high definition is changeed SD.
Background technology
Video converter is mainly used in format conversion and the conversion of resolution of same video interface between the different video interface, is accompanied by the continuous development of video, and video interface type on the market is more and more; Simulation is arranged, numeral is arranged, SD is arranged; High definition is also arranged, and in the place of most Video Applications, analog digital; Therefore the video of SD high definition is also deposited, and must change video, thereby make the whole video system can smooth operation.Video converter is generally by the video reception decoded portion, the video coding part, and central control section, power unit is formed.
Present existing video converter has following defective, and is specific as follows said:
1, present existing video converter is the video converter that SD changes high definition; Such as HDMI signal converter from the CVBS signal of SD to high definition, the HDMI signal converter from the YPBPR of SD to high definition, HDMI signal converter from the VGA signal of SD to high definition; These transducers can only realize the SD conversion of signals is become the function of high-definition signal; And in real Video Applications place, often need the high-definition video signal of input be converted into the SD vision signal, thereby compatible original analog display device; Like VGA projector, perhaps CVBS video recorded broadcast machine etc.
2, existing transducer can only become high-definition signal with the SD conversion of signals; Its shortcoming can not be converted into the SD signal with high-definition signal; And, in many application, need convert high-definition signal to analog signal, thereby the display device of more compatible simulations in the Video Applications place; Therefore existing transducer can not satisfy this application places; And being in its stage of depositing of various video signal at present, this demands from the high definition to the SD is very big, especially in the upgrading of video system.
What in a word, present video converter can't satisfy the user changes the field demand of SD from high definition.
Thereby, need the urgent technical problem that solves of those skilled in the art to be exactly at present: how to find a kind of novel video converter, can satisfy user's field demand from high definition commentaries on classics SD.
The utility model content
The utility model technical problem to be solved provides the omnipotent transducer that a kind of high definition is changeed SD, and this transducer can satisfy user's the field demand from high definition commentaries on classics SD.
In order to address the above problem; The utility model discloses a kind of high definition changes the omnipotent transducer of SD, comprises HDMI video input device, image processing apparatus, CVBS output device, VGA/YPBPR output device, electric power controller, audio output device and CCU; Said HDMI video input device links to each other with said image processing apparatus through cable; Said CVBS output device links to each other with said image processing apparatus through cable; Said VGA/YPBPR output device links to each other with said image processing apparatus through cable; Said audio output device links to each other with said image processing apparatus through cable; Said CCU links to each other with said HDMI video input device through cable; Said CCU links to each other with said image processing apparatus through cable; Said CCU links to each other with said audio output device through cable; Said electric power controller links to each other with said HDMI video input device through cable; Said electric power controller links to each other with said image processing apparatus through cable; Said electric power controller links to each other with said CVBS output device through cable; Said electric power controller links to each other with said VGA/YPBPR output device through cable; Said electric power controller links to each other with said audio output device through cable; Said electric power controller links to each other with said CCU through cable.
Preferably, said HDMI video input device comprises the SII9233 chip unit.
Preferably, said SII9233 chip is supported HDMI1.4 form and HDCP form.
Preferably, said image processing apparatus comprises the fpga chip unit.
Preferably, said image processing apparatus comprises graphics processing unit.
Preferably, said graphics processing unit comprises:
Image color is regulated subelement, is used to carry out the operation that the color of image is regulated;
The image zoom subelement is used to carry out the operation that image is amplified or image is dwindled;
Image gyrator unit is used to carry out the operation that image is rotated.
Preferably, said CVBS output device comprises ADV73 family chip unit.
Preferably, said VGA/YPBPR output device comprises the EP9853 chip unit.
Compared with prior art, the utlity model has following advantage:
1, the high definition of the utility model is changeed the omnipotent transducer support HDMI high-definition signal input of SD; CVBS, YPBPR, VGA SD signal are exported simultaneously; Also be with one road HDMI high-definition signal ring to go out simultaneously; The output of every kind of signal reaches the signal standards of various signals fully, in the selection of resolution, also supports the most of resolution in the various signal standardss.
2, the omnipotent transducer of the high definition of the utility model commentaries on classics SD can be called omnipotent transducer; Output when reason is that the transducer of the utility model is supported CVBS, YPBPR, VGA and HDMI; The user can be according to the needs at scene; Oneself select to use in CVBS, YPBPR, VGA and the HDMI signal a kind or several kinds, save video distributor, save other video switchers.
3, the omnipotent transducer of the high definition of the utility model commentaries on classics SD can convert high-definition signal to the SD signal, compatible analog machine.
4, the omnipotent transducer of the high definition of the utility model commentaries on classics SD is exported HDMI, CVBS, VGA and YPBPR simultaneously, saves distributor and other transducers.
5, the high definition of the utility model is changeed the omnipotent transducer support image zoom of SD, reaches perfect display effect.
In a word, the omnipotent transducer that the utility model provides a kind of high definition to change SD, this transducer can satisfy user's the field demand from high definition commentaries on classics SD.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; Do to introduce simply in the face of the accompanying drawing of required use in the embodiment description down; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that a kind of high definition of the utility model is changeed the omnipotent transducer embodiment 1 of SD;
Wherein, 1, HDMI video input device 2, image processing apparatus; 3, CVBS output device; 4, VGA/YPBPR output device; 5, electric power controller; 6, audio output device; 7, CCU; 8, cable;
Fig. 2 is the structural representation that a kind of high definition of the utility model is changeed the omnipotent transducer embodiment 2 of SD;
Fig. 3 is the sketch map of the mode of operation of the omnipotent transducer that high definition is changeed SD in the utility model.
Embodiment
The omnipotent transducer that the utility model embodiment provides a kind of high definition to change SD, this transducer can satisfy user's the field demand from high definition commentaries on classics SD.
For making that utility model purpose, characteristic, the advantage of the utility model can be more obvious and understandable; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment only is the utility model part embodiment, but not whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
One of core concept of the utility model has provided the omnipotent transducer that a kind of high definition is changeed SD, comprises HDMI video input device, image processing apparatus, CVBS output device, VGA/YPBPR output device, electric power controller, audio output device and CCU; Said HDMI video input device links to each other with said image processing apparatus through cable; Said CVBS output device links to each other with said image processing apparatus through cable; Said VGA/YPBPR output device links to each other with said image processing apparatus through cable; Said audio output device links to each other with said image processing apparatus through cable; Said CCU links to each other with said HDMI video input device through cable; Said CCU links to each other with said image processing apparatus through cable; Said CCU links to each other with said audio output device through cable; Said electric power controller links to each other with said HDMI video input device through cable; Said electric power controller links to each other with said image processing apparatus through cable; Said electric power controller links to each other with said CVBS output device through cable; Said electric power controller links to each other with said VGA/YPBPR output device through cable; Said electric power controller links to each other with said audio output device through cable; Said electric power controller links to each other with said CCU through cable; This transducer can satisfy user's the field demand from high definition commentaries on classics SD.
In order to make those of ordinary skill in the art understand the utility model better, introduce following technical term below in detail, specific as follows said:
SD: SD refers to the video of single-definition, and general interface has CVBS (composite video), YPBPR (component vide), and definition refers generally to 480i, 576i, VGA (video graphics array) interface of simulation is also contained in the definition of SD simultaneously.
High definition: high definition refers to the video of high definition, and definition can reach 1080p resolution and 60hz refresh rate, and the HD video interface has HDMI (HDMI), DVI (digital visual interface) and SDI (digital serial interface) etc.
Transducer: transducer refers to the equipment of changing between the video interface, comprises the format conversion between the different video interface, also comprises the conversion of resolution of same video interface.
HDMI: HDMI.
YPBPR: the color difference components signal, with brightness and color-separated.
VGA: video graphics array is a kind of analog video signal interface, is mainly used in the connection between computer and the display.
CVBS: composite video signal is a kind of analog video signal interface.
HDCP: high-bandwidth content protection agreement is mainly used in HDMI.
FPGA: field programmable gate array.
With reference to Fig. 1, show the structural representation that a kind of high definition of the utility model is changeed the omnipotent transducer embodiment 1 of SD, specifically can comprise:
Wherein, 1, HDMI video input device 2, image processing apparatus; 3, CVBS output device; 4, VGA/YPBPR output device; 5, electric power controller; 6, audio output device; 7, CCU; 8, cable.
A kind of high definition is changeed the omnipotent transducer of SD, comprises HDMI video input device 1, image processing apparatus 2, CVBS output device 3, VGA/YPBPR output device 4, electric power controller 5, audio output device 6 and CCU 7; Said HDMI video input device 1 links to each other with said image processing apparatus 2 through cable 8; Said CVBS output device 3 links to each other with said image processing apparatus 2 through cable 8; Said VGA/YPBPR output device 4 links to each other with said image processing apparatus 2 through cable 8; Said audio output device 6 links to each other with said image processing apparatus 2 through cable 8; Said CCU 7 links to each other with said HDMI video input device 1 through cable 8; Said CCU 7 links to each other with said image processing apparatus 2 through cable 8; Said CCU 7 links to each other with said audio output device 6 through cable 8; Said electric power controller 5 is adorned 1 through cable 8 and the input of said HDMI video and is put and link to each other; Said electric power controller 5 links to each other with said image processing apparatus 2 through cable 8; Said electric power controller 5 links to each other with said CVBS output device 3 through cable 8; Said electric power controller 5 links to each other with said VGA/YPBPR output device 4 through cable 8; Said electric power controller 5 links to each other with said audio output device 6 through cable 8; Said electric power controller 5 links to each other with said CCU 7 through cable 8.Said HDMI video input device 1 comprises the SII9233 chip unit.Said SII9233 chip is supported HDMI1.4 form and HDCP form.Said image processing apparatus 2 comprises the fpga chip unit.Said image processing apparatus 2 comprises graphics processing unit.Said graphics processing unit comprises: image color is regulated subelement, is used to carry out the operation that the color of image is regulated; The image zoom subelement is used to carry out the operation that image is amplified or image is dwindled; Image gyrator unit is used to carry out the operation that image is rotated.Said CVBS output device 3 comprises ADV73 family chip unit.Said VGA/YPBPR output device 4 comprises the EP9853 chip unit.
Through concrete embodiment and accompanying drawing, the technical scheme of the utility model is further explained below.
With reference to Fig. 2, show the structural representation that a kind of high definition of the utility model is changeed the omnipotent transducer embodiment 2 of SD, specifically can comprise:
In Fig. 2, video source is connected to the utility model high definition to the omnipotent transducer of SD, and generally, video source is a DVD player, HD DVD player, blue-ray DVD player, CATV set-top-box, satellite television STB or computer.The input port of the output port of video source and the transmitting terminal of the utility model is equipped with suitable cable.Generally, suitable cable is a HDMI cable.
The utility model high definition is changeed the omnipotent conversion of SD can be converted into simulation SD vision signal and audio signal with the HDMI high-definition video signal.
The output port of the utility model is connected through suitable cable with the input of display electricity mouth, and generally, cable is a HDMI cable, VGA cable, VGA commentaries on classics YPBPR cable, CVBS cable.
Display is in order to show the content of application, like video.Generally, display is a high definition TV, comprises LCD TV, plasm TV, and the DLP TV, perhaps computer monitor comprises LCD and other flat-panel monitors, also comprises the projecting apparatus and the projector of high definition simultaneously.
With reference to Fig. 3, show the sketch map of the mode of operation of the omnipotent transducer of high definition commentaries on classics SD in the utility model.
From Fig. 3, can find out the mode of operation of transducer in the utility model, specific as follows said:
1) the HDMI video input device 1 of transducer adopts the SII9233 chip of Silicon Image company, and this chip functions is powerful, supports the 10.2G bandwidth; Support HDMI1.4, support HDCP, image processing apparatus 2 adopts certain well-known fpga chip; Can the HDMI signal recompile of input be become the TTL signal and the output of HDMI signal of standard, nearly 26 kinds of resolution outputs are supported in HDMI output, support image color to regulate simultaneously; Image zoom, the function of image rotation.
2) CVBS signal output apparatus 3 adopts the ADV73 family chip of ADI company, and this chip can be done buffered to the TTL signal of input, in cataloged procedure, keeps the consistency of input and output.
3) VGA/YPBPR output device 4 adopts the EP9853 chip of EXPLORER company, and the completion TTL signal that can can't harm equally is to the conversion of VGA/YPBPR signal; Change in the transfer process of SD in high definition, can realize the convergent-divergent of image, thereby solve the black surround of display device or the problem of overflowing.
In sum, the omnipotent transducer of a kind of high definition commentaries on classics SD of the utility model can be realized the video conversion of high definition commentaries on classics SD; HDMI, CVBS, VGA, four kinds of signals of YPBPR are exported simultaneously; Support image zoom.
In a word, the omnipotent transducer that the utility model provides a kind of high definition to change SD, this transducer can satisfy user's the field demand from high definition commentaries on classics SD.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For system embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than a kind of high definition is changeed SD to the utility model provided omnipotent transducer carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (8)
1. the omnipotent transducer of a high definition commentaries on classics SD is characterized in that, comprises HDMI video input device, image processing apparatus, CVBS output device, VGA/YPBPR output device, electric power controller, audio output device and CCU; Said HDMI video input device links to each other with said image processing apparatus through cable; Said CVBS output device links to each other with said image processing apparatus through cable; Said VGA/YPBPR output device links to each other with said image processing apparatus through cable; Said audio output device links to each other with said image processing apparatus through cable; Said CCU links to each other with said HDMI video input device through cable; Said CCU links to each other with said image processing apparatus through cable; Said CCU links to each other with said audio output device through cable; Said electric power controller links to each other with said HDMI video input device through cable; Said electric power controller links to each other with said image processing apparatus through cable; Said electric power controller links to each other with said CVBS output device through cable; Said electric power controller links to each other with said VGA/YPBPR output device through cable; Said electric power controller links to each other with said audio output device through cable; Said electric power controller links to each other with said CCU through cable.
2. high definition according to claim 1 is changeed the omnipotent transducer of SD, it is characterized in that:
Said HDMI video input device comprises the SII9233 chip unit.
3. high definition according to claim 2 is changeed the omnipotent transducer of SD, it is characterized in that:
Said SII9233 chip is supported HDMI1.4 form and HDCP form.
4. high definition according to claim 1 is changeed the omnipotent transducer of SD, it is characterized in that:
Said image processing apparatus comprises the fpga chip unit.
5. high definition according to claim 1 is changeed the omnipotent transducer of SD, it is characterized in that:
Said image processing apparatus comprises graphics processing unit.
6. high definition according to claim 5 is changeed the omnipotent transducer of SD, it is characterized in that said graphics processing unit comprises:
Image color is regulated subelement, is used to carry out the operation that the color of image is regulated;
The image zoom subelement is used to carry out the operation that image is amplified or image is dwindled;
Image gyrator unit is used to carry out the operation that image is rotated.
7. high definition according to claim 1 is changeed the omnipotent transducer of SD, it is characterized in that:
Said CVBS output device comprises ADV73 family chip unit.
8. high definition according to claim 1 is changeed the omnipotent transducer of SD, it is characterized in that:
Said VGA/YPBPR output device comprises the EP9853 chip unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200285498U CN202424900U (en) | 2012-01-20 | 2012-01-20 | Universal high-definition-to-standard-definition converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200285498U CN202424900U (en) | 2012-01-20 | 2012-01-20 | Universal high-definition-to-standard-definition converter |
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| Publication Number | Publication Date |
|---|---|
| CN202424900U true CN202424900U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200285498U Expired - Fee Related CN202424900U (en) | 2012-01-20 | 2012-01-20 | Universal high-definition-to-standard-definition converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220487A (en) * | 2012-01-20 | 2013-07-24 | 北京凯新创达科技发展有限公司 | Universal converter capable of converting high definition into standard definition |
| CN103428467A (en) * | 2013-07-16 | 2013-12-04 | 苏州意华通讯接插件有限公司 | High-definition multimedia interface (HDMI) video image output converter |
-
2012
- 2012-01-20 CN CN2012200285498U patent/CN202424900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220487A (en) * | 2012-01-20 | 2013-07-24 | 北京凯新创达科技发展有限公司 | Universal converter capable of converting high definition into standard definition |
| CN103428467A (en) * | 2013-07-16 | 2013-12-04 | 苏州意华通讯接插件有限公司 | High-definition multimedia interface (HDMI) video image output converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20180120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |