CN2638364Y - DVD player with HDTV digital video interface - Google Patents
DVD player with HDTV digital video interface Download PDFInfo
- Publication number
- CN2638364Y CN2638364Y CN 03267797 CN03267797U CN2638364Y CN 2638364 Y CN2638364 Y CN 2638364Y CN 03267797 CN03267797 CN 03267797 CN 03267797 U CN03267797 U CN 03267797U CN 2638364 Y CN2638364 Y CN 2638364Y
- Authority
- CN
- China
- Prior art keywords
- dvd player
- digital
- digital video
- digital visual
- visual interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2358/00—Arrangements for display data security
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The utility model relates to a DVD player which is provided with an HDTV digital visual interface. In order to solve the problem that the DVD player in prior art can not directly transfer a non-compressed high definition image signal, based on the DVD player in prior art, the utility model adds a digital visual interface which consists of a transmission processor and a digital visual connector. (DV1). Wherein, the transmission processor which is connected with the output end of an MPEG decoder is used to process the digital visual signal which is input by the decoder into the minimized differential signal, while the digital visual connector is used to transmit the minimized differential signal into a corresponding display device. The digital visual signal that is transmitted by the digital visual interface of the DVD player of the utility model can reach 1650M bits bandwidth every second. Not only can the non-compressed MPEG-2 image be transmitted but also the transmission demands of the high definition digital television image signal 720 P or 1080i can be met; at the same time, the utility model accords with the HDCP protocol, thus widening the application field of a new generation DVD player.
Description
Technical field
The utility model relates to DVD (Digital video disc) player, more particularly, relates to the DVD player of a kind of band HDTV (High-Definition TV, high definition TV) digital visual interface.
Background technology
Along with progress of science and technology, television set is the direction develop rapidly from low image quality to high-definition television also.Simultaneously, also DVD player of VCD player from CD (CD) player, VCD (video disc) player to today.The definition of picture signal is 500 lines from 250 lines of VCD to DVD also, make the definition of picture signal be greatly improved.
The present development again novel DVD player, and its picture signal definition has had further lifting again, can export the data image signal of desired 720P of high-definition television or 1080i.In order to guarantee normally to export high-definition image signal, DVD player and high definition TV or other be high-resolution, and to show the transmission looked between the equipment and connected mode and video interface all be very important.If transmission of selecting for use and connected mode are inappropriate, can cause very serious decay to the high-definition image signal of its transmission, be difficult to guarantee the quality of high-definition image signal.
In application number is 99802683.2 patent; a kind of " digital baseband interface that is used for DVD player " disclosed; its digital video transmission is with IEEE1394 and DTCP (Digital TransmissionContent Protection; the protection of digital delivery content) technology is the basis; the digital video signal that its per second transmits is limited in 100-400 megabit bandwidth; the MPEG-2 data image signal of compression can only be transmitted, the MPEG-2 data image signal that does not have compression can't be transmitted.Simultaneously, finishing DTCP will increase MPEG-2 coding and decode resources, thereby can increase product cost.
The utility model content
Above-mentioned defective at prior art, the utility model will solve the problem that can not directly transmit incompressible high-definition image signal in the prior art, allows DVD player directly look the incompressible high-definition image signal of device transmission to high definition TV or other high-resolution showing.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of DVD player with the HDTV digital visual interface, comprising control circuit, be used to read the movement of Digital video disc information, and the decoder that goes out digital video signal according to the Digital video disc information decoding that is read, it is characterized in that, also comprise the digital visual interface of being formed by transport processor and digital video connector (DVI), described transport processor is connected with the output of described decoder, is used for the digital video signal processing of decoder output for minimizing differential signal with the suitable transmission of described digital video connector; Described digital video connector is connected with the output of described transport processor, is used for that described transmission is minimized differential signal and outputs to corresponding display equipment.
In the utility model, the digital video signal of described decoder output can be 8/16 YUV component, or 24 RGB[D23:D0] the high resolution digital video signal; Described transmission minimizes differential signal and comprises: TX0-/TX0+, TX1-/TX1+, TX2-/TX2+ and TXC-/TXC+.Also comprise in the described transport processor and be used for protecting digital image content to protect processor at the broadband digital content that transport process is not replicated.
In the DVD player of the present utility model, form digital visual interface by transport processor and digital video connector, the digital video signal that per second transmits can reach 1650 megabit bandwidth, the MPEG-2 picture signal of not having compression can not only be transmitted, the requirement that high definition TV data image signal 720P or 1080i transmit can also be satisfied; Also meet HDCP (High-BandWidth Digital Content Protection, broadband digital content protection) agreement simultaneously.DVD player can be looked equipment output high-definition digital video signal to high definition TV or other high-resolution showing, thereby can widen the application of DVD player of new generation by this broadband, low cost, safe and secret digital visual interface.
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 schematic diagram of digital visual interface in the utility model;
Fig. 2 is the circuit diagram of digital visual interface in the preferred embodiment of the present utility model.
Embodiment
Schematic diagram with the digital visual interface relevant portion has been shown among Fig. 1 in the DVD player.Wherein, read information among the DVD, deliver to mpeg decoder again and decode, meet the 8/16-bit YUV digital component or the 24-bitRGB[D23:D0 of CCIR601, CCIR656, NTSC or PAL standard with output by movement] the high resolution digital image signal.With 24-bit RGB high resolution digital image signal is example, this signal is imported into transport processor, adopt the PanelLink technique processor of Silicon company in the present embodiment, carrying out digital hybrid coding by its digital core with 24-bit RGB data image signal and PanelLink handles, 24-bit RGB data image signal is converted to TMDS (Transition MinimizedDifferential Signaling, transmission minimizes differential signal) data format, the transmission suitable with the output and the digital video connector of back minimizes differential signal, and the transmission here minimizes differential signal and comprises TX0-/TX0+, TX1-/TX1+, TX2-/TX2+, and TXC-/TXC+.Simultaneously, in this transport processor, also finish the processing of the HDCP of data image signal; Add the I2C bus signals of MCU (little process controller), just constituted complete digital visual interface (DVI).
Fig. 2 shows in the DVD player of a preferred embodiment of the present utility model circuit diagram with digital visual interface (DVI) relevant portion.Transport processor U12 wherein adopts the SIL164 chip of Silicon company, and the J11 on right side is the digital video connector.
When power supply powered up, the L35 of the LC network of Vcc 3.3V by being arranged in Fig. 2 middle part and the 19th pin that C48 receives U12 were as the external reset signal (EXT-RES) of system.The 3rd pin of U12 then provides a reference level (VREF) for system.
24-bit RGB[D23:D0 through mpeg decoder decoding output] the high resolution digital image signal outputs on the D0-D23 of U12.The DE of U12 the 2nd pin is used for the restricting data effective coverage, and it keeps high level system requirements during showing, black-out intervals is a low level.Also have data clock signal IDCK+/IDCK-and row field synchronization control signal HSYNC/VSYNC to be added to the 57th, 56,4 pin of U12 simultaneously.
The 14th and 15 pin of U12 are I2C bus SCL/SDA, communication between MCU and U12 and digital video connector.The RST that connects the 13rd pin of U12 is a control I2C bus interface, and the I2C bus interface is effective when RES is high level.
TX0-/TX0+, TX1-/TX1+, TX2-/TX2+ and the TXC-/TXC+ signal of the output of the right side of U12 are that to handle and be converted into the data of low-voltage TMDS signal through U12 right, and it is connected to digital video connector J11.
The digital video signal that the digital visual interface of the utility model DVD player (DVI) per second transmits can reach 1650 megabit bandwidth, the MPEG-2 picture signal of not having compression can not only be transmitted, the requirement that high definition TV data image signal 720P or 1080i transmit can also be satisfied; Also meet HDCP (High-BandWidth Digital Content Protection, broadband digital content protection) agreement simultaneously.DVD player can output to HDTV, LCD, PDP, projector or other high-resolution equipment of looking that shows with 720P or 1080i high resolution digital image signal by this broadband, low cost, safe and secret digital visual interface (DVI); Also used the HDCP technology to protect digital image content in transport process, not to be replicated simultaneously.Thereby can widen the application of DVD player of new generation greatly.
Claims (6)
1, a kind of DVD player with the HDTV digital visual interface, comprising control circuit, be used to read the movement of Digital video disc information and the decoder that goes out digital video signal according to the Digital video disc information decoding that is read, it is characterized in that, also comprise the digital visual interface of being formed by transport processor and digital video connector, described transport processor is connected with the output of described decoder, is used for the digital video signal processing of decoder output for minimizing differential signal with the suitable transmission of described digital video connector; Described digital video connector is connected with the output of described transport processor, is used for that described transmission is minimized differential signal and outputs to corresponding display equipment.
2, the DVD player of band HDTV digital visual interface according to claim 1 is characterized in that, the digital video signal of described decoder output can be 8/16 YUV component, or 24 RGB[D23:D0] the high resolution digital video signal.
3, the DVD player of band HDTV digital visual interface according to claim 2 is characterized in that described transmission minimizes differential signal and comprises: TX0-/TX0+, TX1-/TX1+, TX2-/TX2+ and TXC-/TXC+.
4, according to each described DVD player of being with the HDTV digital visual interface among the claim 1-3; it is characterized in that, also comprise in the described transport processor being used for protecting digital image content to protect processor at the broadband digital content that transport process is not replicated.
5, the DVD player of band HDTV digital visual interface according to claim 4 is characterized in that described decoder is a mpeg decoder.
6, the DVD player of band HDTV digital visual interface according to claim 4 is characterized in that, also comprises with the output of described decoder being connected, being used for the analog video output interface to corresponding display equipment output analog video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03267797 CN2638364Y (en) | 2003-07-17 | 2003-07-17 | DVD player with HDTV digital video interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03267797 CN2638364Y (en) | 2003-07-17 | 2003-07-17 | DVD player with HDTV digital video interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638364Y true CN2638364Y (en) | 2004-09-01 |
Family
ID=34299015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03267797 Expired - Fee Related CN2638364Y (en) | 2003-07-17 | 2003-07-17 | DVD player with HDTV digital video interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2638364Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435574C (en) * | 2005-08-23 | 2008-11-19 | 南京Lg同创彩色显示***有限责任公司 | Multimedia interface input method for conversing high resolution in tv |
| CN100592771C (en) * | 2006-03-07 | 2010-02-24 | 中国科学院声学研究所 | Digital film playing system with the DVI output content protection |
| CN102750298A (en) * | 2011-11-29 | 2012-10-24 | 新奥特（北京）视频技术有限公司 | Method for updating plug-in information in television image-text script |
-
2003
- 2003-07-17 CN CN 03267797 patent/CN2638364Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435574C (en) * | 2005-08-23 | 2008-11-19 | 南京Lg同创彩色显示***有限责任公司 | Multimedia interface input method for conversing high resolution in tv |
| CN100592771C (en) * | 2006-03-07 | 2010-02-24 | 中国科学院声学研究所 | Digital film playing system with the DVI output content protection |
| CN102750298A (en) * | 2011-11-29 | 2012-10-24 | 新奥特（北京）视频技术有限公司 | Method for updating plug-in information in television image-text script |
| CN102750298B (en) * | 2011-11-29 | 2017-06-13 | 新奥特（北京）视频技术有限公司 | A kind of plugin information update method in teletext drama |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 Termination date: 20120717 |