CN202190359U - Digital television program three-dimensional display circuit and digital television employing same - Google Patents
Digital television program three-dimensional display circuit and digital television employing same Download PDFInfo
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- CN202190359U CN202190359U CN2011203412819U CN201120341281U CN202190359U CN 202190359 U CN202190359 U CN 202190359U CN 2011203412819 U CN2011203412819 U CN 2011203412819U CN 201120341281 U CN201120341281 U CN 201120341281U CN 202190359 U CN202190359 U CN 202190359U
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Abstract
The utility model discloses a digital television program three-dimensional display circuit and a digital television employing the same. The display circuit comprises a digital image decoding chip for decoding the digital television program, the decoding chip is connected with a two-dimensional to three-dimensional conversion chip, and two-dimensional television images output by the decoding chip are converted into three-dimensional signals by the two-dimensional to three-dimensional conversion chip and then output to a display module for play. The three-dimensional display circuit provided by the utility model can convert two-dimensional digital television signals output by a television station into three-dimensional images for play; and after the display circuit is applied to the digital television products, a user can watch the digital television program with three-dimensional display effect, so that not only functions of the digital television is enriched, but also random switching from the two-dimensional mode to the three-dimensional mode or from the three-dimensional mode to the two-dimensional mode on video images from any signal source can be realized, truly meeting the demands of users on watching three-dimensional video images, and facilitating the application and the popularization of the digital television products.
Description
Technical field
The utility model belongs to the video signal treatment technique field, specifically, relates to a kind of digital television program handled with modular circuit that realizes the 3D display effect and the digital television that adopts said 3D display circuit design.
Background technology
At present, along with the quickening day by day of various countries' digital broadcast television program process, development at full speed has been obtained in DTV market.Country variant is to the actual conditions of this country, and also the function to digital TV products has proposed different requirement.
Instantly, the 3D three-dimensional video-frequency is just quietly popular, and a large amount of 3D anaglyphs continue to bring out, and this has not only brought new visual impact to people, makes that also lonely cinema becomes hot network very originally.In order to make people can watch the dynamic vivid effect of 3D film at home, the digital TV products of band 3D Presentation Function occurs in succession, and extensively receives consumer's favor.
But; Present 3D digital TV products can only receive, handle and play to the 3D vision signal that outside source provides; Do not have digital broadcasting-television signal is carried out the function that 3D effect shows and plays; It is restricted greatly that this just makes that the user can watch the video resource of 3D effect, not from truly satisfying the audiovisual demand that people arbitrarily view and admire the 3D image.
Summary of the invention
The purpose of the utility model is to provide a kind of 3D display circuit of digital television program, to realize that digital broadcasting-television signal by the conversion of 2D to the 3D form, makes people can watch the digital television program of 3D display effect.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of 3D display circuit of digital television program; Comprise the digital image decoding chip that is used for digital television signal is carried out decoding processing; Said digital image decoding chip connects the 2D-3D conversion chip, converts the television image of the 2D pattern of digital image decoding chip output to the 3D signal through the 2D-3D conversion chip and exports display module to and play.
In order to improve the 3D display effect of television image, in said 3D display circuit, also be provided with a 3D rendering process chip, said 2D-3D conversion chip carries out exporting described display module to after the image quality adjustment is handled to the 3D signal through the 3D rendering process chip.
Further, said digital image decoding chip connects tuner, receives the digital television signal that TV station sends through said tuner, and converts the digital differential intermediate-freuqncy signal to and export described digital image decoding chip to.
In order to reduce cost, said digital image decoding chip preferably adopts the digital processing chip that is built-in with demodulator and image decoder to carry out circuit design, to save external independent demodulator, simplifies circuit design.
Further again, the digital television signal that said tuner receives is DTV-T or DTV-C signal.
Preferably, said digital image decoding chip connects described 2D-3D conversion chip through the LVDS interface.
Further again, after said digital image decoding chip carries out processing and amplifying with the audio signal transmission in the digital television signal to power amplifier, drive loud speaker output television field frame.
Preferably, said digital image decoding chip connects polytype Peripheral Interface, and said Peripheral Interface adopts the laying mode of horizontal terminal, to support the laying requirement of the whole world to the TV Peripheral Interface.
Based on above-mentioned 3D display circuit structure, the utility model also provides a kind of digital television that adopts said 3D display circuit design, comprises tuner, digital image decoding chip, 2D-3D conversion chip and display module; Said tuner receives the digital television signal that TV station sends, and converts the digital differential intermediate-freuqncy signal to and export described digital image decoding chip to and carry out the demodulation sign indicating number and handle; Said digital image decoding chip connects the 2D-3D conversion chip, converts the television image of the 2D pattern of digital image decoding chip output to the 3D signal through the 2D-3D conversion chip and exports display module to and play.
Further, said 2D-3D conversion chip carries out exporting described display module to after the image quality adjustment is handled to the 3D signal through the 3D rendering process chip, and said display module can be liquid crystal display screen or other display devices.
Compared with prior art; The advantage and the good effect of the utility model are: the stereo-picture that the digital television signal of the 2D pattern that the 3D display circuit of the utility model can send TV station converts the 3D pattern to exports display to and plays; It is applied in makes the user enjoy the digital television program of 3D display effect in the digital TV products; This has not only enriched the function of digital television; And can really satisfy the appreciation demand of user to realizing from 2D to 3D or random switching from 3D to the 2D pattern from the video image of any signal source to the 3D video image, help the application of digital TV products and popularize.
After the detailed description in conjunction with advantages the utility model execution mode, other characteristics of the utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the schematic block circuit diagram of a kind of embodiment of the 3D display circuit of the digital television program that proposes of the utility model.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done explanation in further detail.
Embodiment one, and present embodiment is that example describes with the digital TV products.Referring to shown in Figure 1, in the 3D of present embodiment display circuit, mainly comprise and to carry out the digital image decoding chip of decoding processing, the 2D-3D conversion chip that is used to accomplish mutual conversion between 2D pattern and the 3D pattern and the display module that is used for the processed video image is play output to digital television signal.
In order to simplify circuit design, reduce hardware cost, said digital image decoding chip preferably adopts the high integration decoding chip that is built-in with demodulator to carry out circuit design.Said digital image decoding chip is connected with tuner in the digital television; Receive the digital television signal that TV station sends through tuner; Such as digital ground wireless signal DTV-T or digital ground wire signal DTV-C; And then convert the digital differential intermediate-freuqncy signal to, export described digital image decoding chip to and carry out the processing of demodulation sign indicating number, referring to shown in Figure 1.
For the digital image decoding chip that does not have built-in demodulator; When design digital TV SKD circuit; Can between tuner and digital image decoding chip, set up independently demodulator; Being used for that the digital differential intermediate-freuqncy signal of tuner output is carried out demodulation process, and then generate serial that the digital image decoding chip supported or parallel TS stream, transfer to described digital image decoding chip and carry out decoding processing.A kind of circuit design mode before the sort circuit design is compared, the structure relative complex, cost is higher relatively.
Certainly; The design limitation that breaks away from digital TV products; Described digital image decoding chip also can receive from other ancillary equipment and receive the digital television signal that conversion provides; For example can directly connect external set top box through Peripheral Interface, with the digital television signal of receiving set up box conversion output, the 3D that can accomplish digital television program equally shows.
Present embodiment to the digital picture decoding chip how the channel of receiving digital television signal be not limited in above for example.
Said digital image decoding chip carries out decoding processing to the digital television signal that receives, and decoding generates the vision signal of 2D pattern on the one hand, transfers to described 2D-3D conversion chip; Decoding generates audio signal on the other hand, after exporting power amplifier to and carrying out power amplification and handle, drives the sound accompaniment of left and right acoustic channels loud speaker output program, referring to shown in Figure 1.
In the present embodiment; Said digital image decoding chip preferably connects described 2D-3D conversion chip through its LVDS interface; The digital television signal that receives is decoded into LVDS differential signal transmission to the described 2D-3D conversion chip of 60Hz, carries out the image transitions of 2D pattern, and then transfer to display module to the 3D pattern; The display screen that drives wherein shows 3D rendering; Just realized broadcast TV program thus by the conversion demonstration of 2D image to 3D rendering, so, the user can watch the TV programme of 3D effect at home.
For the image quality to 3D rendering is improved adjustment, present embodiment is preferably set up a 3D rendering process chip between said 2D-3D conversion chip and display module, as shown in Figure 1.Said 3D rendering process chip receives the 3D signal by 2D-3D conversion chip conversion output, and then after carrying out image quality adjustment processing, exports display module (for example LCDs or other display devices etc.) to, to obtain best 3D display effect.
Certainly; In digital television system after the built-in above-mentioned 3D display circuit that present embodiment proposed; And do not mean that the TV programme that user from now on can only watch 3D effect; TV user can select to watch the TV programme of original 2D display effect equally through remote controller or the instruction of keypad input 2D/3D mode switch.Utilize remote control in the television set to receive head or key circuit receives the 2D/3D mode switch instruction that the user sends; Transfer to the digital image decoding chip and carry out commands for controlling; And then when receiving the user instruction of 2D display mode, output control signals to the 2D-3D conversion chip, control it and stop the mode switch process of 2D to 3D; Vision signal to the 2D pattern through digital image decoding chip output is left intact; Directly export display module to through 2D-3D conversion chip and 3D rendering process chip and display the play, the user just can watch the TV programme of 2D display effect as usual thus, and then has satisfied the different rating demands of different user.
In the present embodiment, be used to receive the audio signal of digital image decoding chip output and drive the power amplifier that loud speaker is exported the program sound accompaniment, preferably adopt D class power amplifier chip to carry out circuit design, to obtain best tonequality output effect.
Periphery at said digital image decoding chip also is connected with memory cell; Such as FLASH, NVM and DDR memory etc.; As shown in Figure 1; To be used for the data that working procedure and program operation process were produced of storage system, cooperative digital picture decoding chip is accomplished the integral body control of circuit system and the decoding task of audio-video signal.
On the digital television of present embodiment, also be provided with polytype Peripheral Interface; For example AV interface, SVIDEO interface, PC/HD interface, USB interface and HDMI interface etc.; As shown in Figure 1, be connected with described digital image decoding chip respectively, be used to receive audio, video data from the output of outside unlike signal source; And then transfer to after described digital image decoding chip carries out decoding processing, through the display screen and the loud speaker output audio/video program of digital television.
The function of conversion each other between 2D pattern that is had based on the 2D-3D conversion chip that present embodiment adopted and the 3D pattern; Present embodiment can be changed generation 3D display effect for the video image of the 2D pattern that outside source provided and play; The switching command that promptly sends according to the user through the digital image decoding chip is controlled described 2D-3D conversion chip and is started the mode switch process of its 2D to 3D; And then the 2D image transitions that outside source provides become 3D rendering, carry out displaying the play after the image quality adjustment is handled via the 3D rendering process chip.And for the video image of the 3D pattern that outside source provided, then can be directly through described 2D-3D conversion chip (promptly being left intact), after carrying out the image quality adjustment and handle via the 3D rendering process chip, can display the play.For this vision signal that self is the 3D pattern; The user also can be through sending the instruction of 2D/3D mode switch; Start the mode switch process of its inner 3D via the described 2D-3D conversion chip of digital image decoding chip controls to 2D; And then convert the 3D rendering that outside source provides to the 2D image, directly through 3D rendering process chip (promptly being left intact), exporting display module to and carry out displaying the play of 2D effect.
Thus; No matter be the audio, video data that digital broadcasting-television signal or outside source provide; The digital television that utilizes present embodiment to propose can be realized the 2D of video image or the random switching of 3D display effect, views and admires demand from the difference that has truly satisfied different consumers.
As a kind of preferred design of present embodiment, said Peripheral Interface preferably is arranged on the side or the below of TV shell, promptly adopts the laying mode of horizontal terminal, to support the laying requirement of the whole world to the TV Peripheral Interface.
Certainly, the 3D display circuit that present embodiment proposed also can be applied on the audio frequency and video treatment facility except that digital tv product, and present embodiment does not specifically limit this.
Should be noted that; Above-mentioned explanation is not to be the restriction to the utility model; The utility model also is not limited in above-mentioned giving an example; Variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of the utility model also should belong to the protection range of the utility model.
Claims (10)
1. the 3D display circuit of a digital television program; It is characterized in that: comprise the digital image decoding chip that is used for digital television signal is carried out decoding processing; Said digital image decoding chip connects the 2D-3D conversion chip, converts the television image of the 2D pattern of digital image decoding chip output to the 3D signal through the 2D-3D conversion chip and exports display module to and play.
2. the 3D display circuit of digital television program according to claim 1 is characterized in that: said 2D-3D conversion chip carries out exporting described display module to after the image quality adjustment is handled to the 3D signal through the 3D rendering process chip.
3. the 3D display circuit of digital television program according to claim 1; It is characterized in that: said digital image decoding chip connects tuner; Receive the digital television signal that TV station sends through said tuner, and convert the digital differential intermediate-freuqncy signal to and export described digital image decoding chip to.
4. the 3D display circuit of digital television program according to claim 3, it is characterized in that: said digital image decoding chip is the digital processing chip that is built-in with demodulator and image decoder.
5. the 3D display circuit of digital television program according to claim 3 is characterized in that: the digital television signal that said tuner receives is DTV-T or DTV-C signal.
6. according to the 3D display circuit of each described digital television program in the claim 1 to 5, it is characterized in that: said digital image decoding chip connects described 2D-3D conversion chip through the LVDS interface.
7. according to the 3D display circuit of each described digital television program in the claim 1 to 5; It is characterized in that: after said digital image decoding chip carries out processing and amplifying with the audio signal transmission in the digital television signal to power amplifier, drive loud speaker output television field frame.
8. according to the 3D display circuit of each described digital television program in the claim 1 to 5, it is characterized in that: said digital image decoding chip connects polytype Peripheral Interface, and said Peripheral Interface adopts the laying mode of horizontal terminal.
9. a digital television is characterized in that: comprise tuner, digital image decoding chip, 2D-3D conversion chip and display module; Said tuner receives the digital television signal that TV station sends, and converts the digital differential intermediate-freuqncy signal to and export described digital image decoding chip to and carry out the demodulation sign indicating number and handle; Said digital image decoding chip connects the 2D-3D conversion chip, converts the television image of the 2D pattern of digital image decoding chip output to the 3D signal through the 2D-3D conversion chip and exports display module to and play.
10. digital television according to claim 9 is characterized in that: said 2D-3D conversion chip carries out exporting described display module to after the image quality adjustment is handled to the 3D signal through the 3D rendering process chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203412819U CN202190359U (en) | 2011-09-13 | 2011-09-13 | Digital television program three-dimensional display circuit and digital television employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203412819U CN202190359U (en) | 2011-09-13 | 2011-09-13 | Digital television program three-dimensional display circuit and digital television employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190359U true CN202190359U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203412819U Expired - Fee Related CN202190359U (en) | 2011-09-13 | 2011-09-13 | Digital television program three-dimensional display circuit and digital television employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190359U (en) |
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2011
- 2011-09-13 CN CN2011203412819U patent/CN202190359U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20190913 |