CN2814831Y - Multimedia p[laying equipment with double-USB interface - Google Patents
Multimedia p[laying equipment with double-USB interface Download PDFInfo
- Publication number
- CN2814831Y CN2814831Y CNU2005200865402U CN200520086540U CN2814831Y CN 2814831 Y CN2814831 Y CN 2814831Y CN U2005200865402 U CNU2005200865402 U CN U2005200865402U CN 200520086540 U CN200520086540 U CN 200520086540U CN 2814831 Y CN2814831 Y CN 2814831Y
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- usb interface
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Abstract
The utility model discloses a multimedia playing device with double USB interfaces. An existing television is added with a USB interface and is matched with a corresponding interface process circuit. Therefore, peripheral devices, such as MP3, digital cameras, computers and other devices can accomplish communication with the television via the USB interface, and MP3 music, JPEG pictures, MPEG2, MPEG4, AVI and other digital cinema files can be played and output by the existing television. With making use of the high definition image quality and the stereo tonal quality of the television, the utility model can satisfy people's high-grade appreciation requirements, effectively extend television functions, improves the market competitiveness of television productions and the circuit of the utility model is simple and effective.
Description
Technical field
The utility model relates to a kind of multimedia play equipment, specifically, relates to a kind of TV set circuit with double-H groove weld SB interface.
Background technology
In the last few years, along with rapid development of multimedia, all in development rapidly, its function was also increasing for various display terminals.The development of USB interface technology is more rapid, and the equipment that has USB interface is also increasing, for example, MP3 and digital camera etc., thus the file that a lot of MP3 and JPEG, MPEG4 etc. comprise audio frequency, video information produced.Yet, under a lot of situations we all be these document copyings in computer, the digital processing technology that utilizes computer reads, decompresses, can play its abundant content of appreciation after processings such as decoding above-mentioned file.But such broadcast is subjected to the influence of computer display size and the restriction of sound quality, has had a strong impact on the aesthetic of people.Yet for television set, large screen plasma Digital Television particularly because it has the image quality of high definition and sound quality preferably, can satisfy people's aesthetic requirement fully.Therefore, if can on existing television set, set up USB interface, it is communicated with MP3, digital camera or computer easily, and then play the MP3 music by television set, digital cinemas such as JPEG picture and MPEG2, MPEG4, AVI, not only can satisfy people's appreciation demand, and also be undoubtedly, help the market competitiveness of tv product the further expanding of television set function.
Summary of the invention
The utility model for solve in the prior art television set can not with MP3, digital camera and compunication, thereby can't carry out the problem of high-quality output to its audio-video frequency content, a kind of multimedia play equipment with double-H groove weld SB interface is provided, by on existing television set, setting up USB interface, and cooperation corresponding signal processing circuit, realized communicating by letter of television set and equipment such as MP3, digital camera and computer, satisfied user's high-quality and appreciated demand.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of multimedia play equipment with double-H groove weld SB interface, comprise USB interface, signal processing circuit and display unit circuit, between described USB interface and signal processing circuit, be connected with the USB interface treatment circuit, in described USB interface treatment circuit, the input of USB interface decoding chip connects USB interface, output connects main process chip, after input signal handled, the YPbPr vision signal of one tunnel output simulation, after sending into described signal processing circuit and handling, by display unit circuit driving display display image; Another road outputting digital audio signal is exported simulated audio signal after the sound accompaniment processing circuit processes, drive loud speaker output.
As further qualification, on described main process chip, be connected with a SDRAM random asccess memory, and described USB interface includes two groups to technique scheme.
As further limiting again to technique scheme, in described signal processing circuit, the YPbPr vision signal of simulation and the rgb signal of television set switch switch chip through one and are connected central processing unit, described central processing unit is sent into display unit circuit and is shown control after the analog video signal that receives is handled.
As technique scheme is further limited again, in described display unit circuit, logic circuit unit receives the vision signal of described signal processing circuit output, give X driver, Y driver and addressing treatment circuit by certain algorithm output control waveform, and then the driving display display image.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by setting up USB interface on existing television set, and cooperation corresponding interface treatment circuit, make for example MP3 of ancillary equipment, digital camera and computer etc. can be realized and the communicating by letter of television set by USB interface, and then make the MP3 music, JPEG picture and MPEG2, MPEG4, digital cinema files such as AVI can be by existing television for play output, utilize the high definition image quality and the three-dimensional tonequality of television set, satisfied the high-grade appreciation demand of people, television function is carried out effective expansion, improved the market competitiveness of tv product.
Description of drawings
Fig. 1 is the catenation principle figure of USB interface treatment circuit in the utility model;
Fig. 2 is the catenation principle figure of signal processing circuit in the utility model;
Fig. 3 is the catenation principle figure of display unit circuit in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Among Fig. 1, external equipment links to each other with television set by USB1 interface or USB2 interface, and OTG242 is converted to the digital interface signal with differential signal by the USB interface decoding chip, gives main process chip AM3228.Described main process chip AM3228 is a fully-integrated media processing chip, can support the audio/video decoding signal of many types, and the support to hard disk, digital camera, MP3 player and other external digital consumer products for example is provided.Main process chip AM3228 has integrated Full Featured MPEG-1, MPEG-2 and MPEG-4 decoding function, have special equipment and handle the audio frequency and video digital signal, provide a high-speed interface to support the USB interface decoding chip simultaneously, and then connect popular USB device, as hard disk, flash disk, digital camera, MP3 player and computer etc.Behind the external USB equipment access system, OTG242 sends interrupt signal to main process chip AM3228 by the USB interface decoding chip, main process chip AM3228 starts working, reading of data, and the type of the peripheral hardware that judge to insert, read data in the circumscribed USB equipment by USB interface decoding chip OTG242 then.The CPU of main process chip AM3228 retrieves by the catalogue to external equipment, according to detected extension name file is classified, for example song, film or picture etc.After handling by its built-in television encoder and D/A converter for the video data file that receives, Y, Pb, the Pr signal of output simulation are given follow-up signal processing circuit; Then after its processor inside is handled, export to sound accompaniment process chip CS4334 for the audio data file that receives, and then drive loud speaker output.In addition, also be connected with a random asccess memory SDRAM on described main process chip AM3228, when needs carried out document copying, described main process chip AM3228 read original and store among the outside SDRAM, and then writes corresponding target directory.
Fig. 2 is the catenation principle figure of signal processing circuit of the present utility model, is example with the plasma Digital Television.The brightness/chroma signal that dash receiver is sent passes through VIDEO1, the VIDEO2 connection enters into analog-to-digital conversion decoding chip VPC3230D, become digital signal to enter into the central processing unit Gm1601 of plasm TV inside analog signal conversion, the Y of the rgb signal of television set and the output of described USB interface treatment circuit, Pb, the Pr signal is sent in three tunnel high-speed AD interfaces of Gm1601 chip by diverter switch P15V330, the Gm1601 chip is handled the signal of input, output LVDS signal is in the PDP display module, drive the PDP screen and show that its display unit circuit schematic diagram is referring to shown in Figure 3.The LVDS signal is handled through logical circuit, give X driver, Y driver and addressing circuit by certain algorithm output control waveform, when three choose jointly after, just reached the ignition point of gas, gas discharge sends ultraviolet ray, bombard the light-emitting phosphor of front, and then realized the demonstration of picture.
The above-mentioned simple circuit configuration that adopts the utility model has realized communicating by letter between television set and the ancillary equipment with USB interface, MP3 music, JPEG picture and digital cinema files such as MPEG2, MPEG4, AVI can be exported by existing television for play, utilize the high definition image quality and the three-dimensional tonequality of television set, satisfied people's high-grade and appreciated demand.Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection range of the present utility model.
Claims (8)
1. multimedia play equipment with double-H groove weld SB interface, comprise USB interface, signal processing circuit and display unit circuit, it is characterized in that: between described USB interface and signal processing circuit, be connected with the USB interface treatment circuit, in described USB interface treatment circuit, the input of USB interface decoding chip connects USB interface, output connects main process chip, after input signal handled, the YPbPr vision signal of one tunnel output simulation, after sending into described signal processing circuit and handling, by display unit circuit driving display display image; Another road outputting digital audio signal is exported simulated audio signal after the sound accompaniment processing circuit processes, drive loud speaker output.
2. the multimedia play equipment with double-H groove weld SB interface according to claim 1 is characterized in that: be connected with a SDRAM random asccess memory on described main process chip.
3. the multimedia play equipment with double-H groove weld SB interface according to claim 1 is characterized in that: described USB interface includes two groups.
4. the multimedia play equipment with double-H groove weld SB interface according to claim 1, it is characterized in that: in described signal processing circuit, the YPbPr vision signal of simulation is switched switch chip with rgb signal through one and is connected central processing unit, described central processing unit is sent into display unit circuit and is shown control after the analog video signal that receives is handled.
5. according to claim 1 or 4 described multimedia play equipments with double-H groove weld SB interface, it is characterized in that: in described display unit circuit, the vision signal of logic circuit unit received signal treatment circuit output, give X driver, Y driver and addressing treatment circuit by certain algorithm output control waveform, and then the driving display display image.
6. the multimedia play equipment with double-H groove weld SB interface according to claim 1 is characterized in that: the model of described main process chip is AM3228.
7. the multimedia play equipment with double-H groove weld SB interface according to claim 1 is characterized in that: the model of described USB interface decoding chip is OTG242.
8. the multimedia play equipment with double-H groove weld SB interface according to claim 1 is characterized in that: it is the process chip realization of CS4334 that described sound accompaniment treatment circuit adopts a model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200865402U CN2814831Y (en) | 2005-08-24 | 2005-08-24 | Multimedia p[laying equipment with double-USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200865402U CN2814831Y (en) | 2005-08-24 | 2005-08-24 | Multimedia p[laying equipment with double-USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814831Y true CN2814831Y (en) | 2006-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200865402U Expired - Fee Related CN2814831Y (en) | 2005-08-24 | 2005-08-24 | Multimedia p[laying equipment with double-USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814831Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193028B (en) * | 2006-11-30 | 2010-08-18 | 深圳创维－Rgb电子有限公司 | A device for getting and playing multimedia data |
| CN101267498B (en) * | 2007-03-15 | 2013-03-06 | 三星电子株式会社 | Apparatus and method for outputting contents information |
| CN105204801A (en) * | 2015-08-31 | 2015-12-30 | 联想(北京)有限公司 | Information processing method and electronic equipment |
-
2005
- 2005-08-24 CN CNU2005200865402U patent/CN2814831Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193028B (en) * | 2006-11-30 | 2010-08-18 | 深圳创维－Rgb电子有限公司 | A device for getting and playing multimedia data |
| CN101267498B (en) * | 2007-03-15 | 2013-03-06 | 三星电子株式会社 | Apparatus and method for outputting contents information |
| US9247190B2 (en) | 2007-03-15 | 2016-01-26 | Samsung Electronics Co., Ltd. | Apparatus and method for outputting contents information |
| CN105204801A (en) * | 2015-08-31 | 2015-12-30 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105204801B (en) * | 2015-08-31 | 2018-08-10 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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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: 20060906 Termination date: 20100824 |