CN201594881U - Plug-in high-definition digital module and television pluggable to same - Google Patents
Plug-in high-definition digital module and television pluggable to same Download PDFInfo
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- CN201594881U CN201594881U CN2010200147056U CN201020014705U CN201594881U CN 201594881 U CN201594881 U CN 201594881U CN 2010200147056 U CN2010200147056 U CN 2010200147056U CN 201020014705 U CN201020014705 U CN 201020014705U CN 201594881 U CN201594881 U CN 201594881U
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Abstract
The utility model discloses a plug-in high-definition digital module and a television pluggable to the same. The high-definition digital module includes a plug interface connected with a master control device, and a main processor, and the main processor receives control signals from the master control device through the plug interface, processes received audio-video digital signals according to the received control signals, and further, through the plug interface, transmits audio signals and video signals generated after processing to the master control device for playing. By plugging a digital module with processing function onto an existing master control device with audio-video playing function, the master control device can control the digital module to replace the master control device to finish additional services or certain processing tasks requiring complicated operation, thereby realizing decoded outputting of the audio-video signals. Therefore, the plug-in high-definition digital module and the television pluggable to the same realize functional extension of radio televisions or television stations without changing existing master device structures as televisions, set-top boxes and the like.
Description
Technical field
The utility model belongs to the TV receiving apparatus technical field, specifically, and the television set that relates to a kind of high-definition digital module that can plug and can peg graft described high-definition digital module.
Background technology
Along with the new coding techniques and the development of transmission technology, the class of business that each tame TV and Radio Service sent is more and more, functionality change is also more and more frequent, business such as the two-way services that increase successively such as broadcasting and TV or TV station, online wired broadcasting, online shopping, on-line payment, may follow-uply also have how beyond thought service needed increases.
In the face of growing business demand, present set-top box or digital television are because its inner employed master chip is subjected to the restriction of conditions such as its frequency speed, DDR capacity, memory size, therefore be difficult to satisfy the novel business that follow-up broadcasting and TV or TV station constantly open, this digital module that certainly will need existing television set or set-top box more to renew is realized new function.But, at present technology, the digital module that more renews means need change whole television set or set-top box simultaneously, and this will certainly cause the increase of cost, purchase burden for consumers in general add, and do not meet the requirement of the establishment conservation-minded society that country does one's utmost to advocate.
The utility model content
The purpose of this utility model has been to provide a kind of digital TV in high resolution module that can plug, when broadcasting and TV or TV station because professional expansion when needing to change functional module, only need this module is plugged on the existing television set, be connected communication with original functional module in the television set, can realize new broadcasting service, finish new function.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of plug-in high-definition digital module, comprise the interface and the primary processor that connect main control device, described primary processor is by the control signal of interface reception from main control device, according to the control signal that receives the audio frequency and video digital signal that receives is handled, and then will be handled audio signal that the back generates and vision signal and transfer to main control device by interface and play.
Further, described audio frequency and video digital signal is by the high frequency tuner circuit demodulation output that is built in the described plug-in high-definition digital module; Perhaps, transfer to primary processor by described interface directly by the high frequency tuner circuit demodulation output that is built in the main control device.
Further again, in described high frequency tuner circuit, include tuner and Digital IF Processing circuit, described tuner received RF signal, demodulation generation middle frequency difference sub-signal transfers to the Digital IF Processing circuit and handles, and then generates digital TS flow transmission to described primary processor.
Further again, on described plug-in high-definition digital module, also be provided with network interface and/or USB interface, connect described primary processor, the network data that receives or usb data are transferred to primary processor handle, offer main control device output to generate audio signal and vision signal.
Further, described primary processor transmits the remote control command of pin reception from main control device, response user's straighforward operation by the remote signal of interface.
Preferably, described interface preferably adopts pci interface design.
Based on above-mentioned plug-in high-definition digital modular structure, the utility model provides a kind of television set of the described high-definition digital module of can pegging graft again, utilize this digital module, television set can distribute some Processing tasks independently to be finished by the primary processor in the described digital module, the audio frequency and video digital signal that receives is decoded and handles, and then the master chip on the replacement TV SKD generates and can directly export the audio signal and the vision signal of broadcast for television set, to satisfy television set to the professional constantly demand of expansion in the future.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by having the digital module with disposal ability of pegging graft on the main control device with audio frequency and video playing function now, need the Processing tasks of complex calculation for Added Business or some, main control device can the control figure module replace it to finish, and realizes the decoding output of audio-video signal.Thus, on the basis that does not change main control device structures such as existing television set or set-top box, can realize the function expansion of broadcasting and TV or TV station, satisfy follow-up continuable function expansion requirement.In addition, adopt extrapolation high-definition digital Module Design mode on existing main control device, can also reduce hardware cost greatly, alleviating the consumer needs to change the burden of purchasing of main control device for realizing new function.
Description of drawings
Fig. 1 is the built-in system block architecture diagram of a kind of embodiment of the plug-in high-definition digital module that proposes of the utility model;
Fig. 2 is the pin configuration figure of a kind of embodiment of PCI slot.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.
The utility model is in order to solve the contradiction between the limited digital processing ability of growing diversified digital service and existing audio frequency and video main control device, on the basis that does not change main control device existing hardware structure, employing is satisfied the demand that the user constantly expands emerging service at the outside high-definition digital modular manner of pegging graft and having independent processing ability of main control device.When the user selects to carry out the expanding digital business, main control device can independently be finished or assists it to finish decoding processing task to digital audio-video signal by means of the data-handling capacity of primary processor in the external digital module, and then generate audio signal and/or the vision signal that directly to export for main control device, transfer to the audio unit and/or the display unit of main control device by the interface between the two, realize effective broadcast of activating business.
Below with television set as main control device, by a specific embodiment elaborate described plug-in high-definition digital module concrete establishment structure and and television set between the process of collaborative work.
Embodiment one, the high-definition digital module of present embodiment adopts plug-in connected mode and television set to peg graft, comprise can with the interface of the default supporting grafting of digital interface on the TV shell with is connected with described interface, realize the primary processor that data double-way transmits.In the present embodiment, described interface can adopt pci interface design, as shown in Figure 2, by each pin among the pci interface XP2 being defined and simple circuit setting, can satisfy the transmission requirement of signal between television set and the high-definition digital module.
In the present embodiment, the internal circuit of high-definition digital module establishment form can comprise chief components such as high frequency tuner circuit, primary processor and memory referring to shown in Figure 1.Wherein, primary processor adopts serial communication mode and television set to carry out the mutual of control signal, specifically can select data sending terminal TX232 and the data receiver RX232 of wherein one road RS232 serial ports connection pci interface XP2 of primary processor for use, and then by the bidirectional transfer of information of pci interface realization with TV SKD.
In order to improve the reliability of control signal transmission, can between the RS232 of primary processor serial ports and pci interface XP2, design waveform shaping circuit, to suppress to disturb the influence of ripple of making an uproar to control signal.Described waveform shaping circuit can adopt pair transistor to set up the two-stage negative circuit of formation or the filter network design of Resistor-Capacitor Unit composition realizes that present embodiment does not specifically limit this.
When in the user is televiewing the process of machine program, switching to the expanding digital service channel, when switching to digital services such as online broadcasting, online shopping, on-line payment, master chip on the TV SKD sends control signal, transfer to primary processor in the high-definition digital module by pci interface XP2, the control primary processor starts operation, and the follow-up audio frequency and video digital signal that receives is carried out decoding processing.
In the present embodiment, the audio frequency and video digital signal that outputs to primary processor can adopt dual mode to obtain: a kind of is to be generated by the high frequency tuner circuit conversion that is built in the high-definition digital module, as shown in Figure 1, after the radiofrequency signal RF that sends by TV station receives by the tuner chip in the high frequency tuner circuit, demodulation generation middle frequency difference sub-signal IF transfers to the Digital IF Processing circuit and handles, and then generate the streamed audio frequency and video digital data transmission of digital TS is carried out audio-video signal to primary processor decoding and processing, final conversion generates the left and right acoustic channels audio signal D_LEFT that can supply television set directly to export, D_RIGHT and vision signal Y_HD, PB_HD, PR_HD, respective pin (referring to shown in Figure 2) by pci interface XP2 transfers to TV SKD, and then plays output by the audio unit and the display unit of television set inside to the user.Second kind be the radiofrequency signal RF that directly TV station sent by the inner original high frequency tuner circuit of television set receive and demodulation after generate, transfer to primary processor in the high-definition digital module by pci interface XP2, finish decoding processing the audio frequency and video digital signal.
After switching to the expanding digital service channel the user, primary processor can be handled the audio frequency and video digital signal that receives accordingly according to the remote control command that the user triggers, primary processor transmits the remote control command of pin IR reception from TV SKD by the remote signal of pci interface XP2, with response user's straighforward operation.
Certainly, also can in the high-definition digital module of present embodiment, receive head by built-in infrared remote control, independently receive the remote control command IR that the user triggers.But this design can cause the rising of high-definition digital module hardware cost, therefore preferred preceding a kind of design.
In the present embodiment, the memory in the high-definition digital module preferably adopts FLASH memory and DDR reservoir designs to realize, as shown in Figure 1.Wherein, the working procedure of primary processor can be kept in the FLASH memory, and primary processor read in operation automatically after module powered on; The intermediate data that produces in the primary processor running can be kept in the DDR memory.
In order to expand the function of described high-definition digital module, present embodiment is preferably set up network interface and/or USB interface on the high-definition digital module, as shown in Figure 1, utilize the powerful digital processing ability of primary processor, can realize decoding processing, realize the broadcast output of several data resource on television set network data or usb data.
In the present embodiment, the required operating voltage of each functional module in the high-definition digital module or functional circuit can be provided by television main, such as+5V and+the 12V DC power supply, XP2 transfers to digital module by pci interface, is its power supply.Wherein ,+the 5V DC power supply is used for primary processor, DDR and the FLASH power supply to digital module; + 12V DC power supply is used for module for power supply such as the tuner, Digital IF Processing circuit to digital module.
Certainly, high-definition digital module of the present utility model not only is fit to peg graft with existing simulated television machine host, to constitute digital TV integrated machine; Also can plug, with the data-handling capacity of expansion main control device with other the main control device (such as digital television, set-top box etc.) beyond the simulated television with audio frequency and video fan-out capability.
Should be noted that; 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; 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 (10)
1. plug-in high-definition digital module, it is characterized in that: comprise the interface and the primary processor that connect main control device, described primary processor is by the control signal of interface reception from main control device, according to the control signal that receives the audio frequency and video digital signal that receives is handled, and then will be handled audio signal that the back generates and vision signal and transfer to main control device by interface and play.
2. plug-in high-definition digital module according to claim 1 is characterized in that: described audio frequency and video digital signal is by the high frequency tuner circuit demodulation output that is built in the described plug-in high-definition digital module; Perhaps, transfer to primary processor by described interface by the high frequency tuner circuit demodulation output that is built in the main control device.
3. plug-in high-definition digital module according to claim 2, it is characterized in that: in described high frequency tuner circuit, include tuner and Digital IF Processing circuit, described tuner received RF signal, demodulation generation middle frequency difference sub-signal transfers to the Digital IF Processing circuit and handles, and then generates digital TS flow transmission to described primary processor.
4. plug-in high-definition digital module according to claim 2, it is characterized in that: on described plug-in high-definition digital module, also be provided with network interface and/or USB interface, connect described primary processor, the network data that receives or usb data are transferred to primary processor handle, offer main control device output to generate audio signal and vision signal.
5. according to each described plug-in high-definition digital module in the claim 1 to 4, it is characterized in that: described primary processor transmits the remote control command of pin reception from main control device, response user's straighforward operation by the remote signal of interface.
6. plug-in high-definition digital module according to claim 5 is characterized in that: described interface is a pci interface.
7. television set, it is characterized in that: comprise television main and with the plug-in high-definition digital module of its grafting, in described plug-in high-definition digital module, include interface and primary processor, described primary processor is by the control signal of interface reception from television main, according to the control signal that receives the audio frequency and video digital signal that receives is handled, and then will handle audio signal and the vision signal that the back generates and transfer to television main by interface, play by voice-grade channel in the television main and video channel output.
8. television set according to claim 7 is characterized in that: described audio frequency and video digital signal is by the high frequency tuner circuit demodulation output that is built in the described plug-in high-definition digital module; Perhaps directly by the output of the high frequency tuner circuit demodulation in the television main, transfer to primary processor in the high-definition digital module by described interface.
9. television set according to claim 8, it is characterized in that: on described plug-in high-definition digital module, also be provided with network interface and/or USB interface, connect described primary processor, the network data that receives or usb data are transferred to primary processor handle, offer television main output to generate audio signal and vision signal.
10. according to each described television set in the claim 7 to 9, it is characterized in that: described primary processor transmits the remote control command of pin reception from television main, response user's straighforward operation by the remote signal of interface; Described interface is a pci interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200147056U CN201594881U (en) | 2010-01-05 | 2010-01-05 | Plug-in high-definition digital module and television pluggable to same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200147056U CN201594881U (en) | 2010-01-05 | 2010-01-05 | Plug-in high-definition digital module and television pluggable to same |
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| Publication Number | Publication Date |
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| CN201594881U true CN201594881U (en) | 2010-09-29 |
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| CN2010200147056U Expired - Fee Related CN201594881U (en) | 2010-01-05 | 2010-01-05 | Plug-in high-definition digital module and television pluggable to same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263996A (en) * | 2011-08-11 | 2011-11-30 | 北京视博数字电视科技有限公司 | Digital television set-top box and manufacturing method for digital television set-top box |
| CN102411554A (en) * | 2011-08-09 | 2012-04-11 | Tcl集团股份有限公司 | Hot-plugging method, apparatus and terminal device for USB (universal serial bus) storage devices |
| CN102905179A (en) * | 2012-09-28 | 2013-01-30 | 青岛旲天下智能科技有限公司 | Digital home terminal capable of being flexible for separating and combined for use |
| CN104932609A (en) * | 2014-03-17 | 2015-09-23 | 联想(北京)有限公司 | Terminal device and computer integrated machine |
| CN111818174A (en) * | 2020-07-23 | 2020-10-23 | 广州市迪士普音响科技有限公司 | Distributed central control system |
-
2010
- 2010-01-05 CN CN2010200147056U patent/CN201594881U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411554A (en) * | 2011-08-09 | 2012-04-11 | Tcl集团股份有限公司 | Hot-plugging method, apparatus and terminal device for USB (universal serial bus) storage devices |
| CN102411554B (en) * | 2011-08-09 | 2015-04-29 | Tcl集团股份有限公司 | Hot-plugging method, apparatus and terminal device for USB (universal serial bus) storage devices |
| CN102263996A (en) * | 2011-08-11 | 2011-11-30 | 北京视博数字电视科技有限公司 | Digital television set-top box and manufacturing method for digital television set-top box |
| CN102905179A (en) * | 2012-09-28 | 2013-01-30 | 青岛旲天下智能科技有限公司 | Digital home terminal capable of being flexible for separating and combined for use |
| CN104932609A (en) * | 2014-03-17 | 2015-09-23 | 联想(北京)有限公司 | Terminal device and computer integrated machine |
| CN111818174A (en) * | 2020-07-23 | 2020-10-23 | 广州市迪士普音响科技有限公司 | Distributed central control system |
| CN111818174B (en) * | 2020-07-23 | 2023-09-26 | 广州市迪士普音响科技有限公司 | Distributed central control system |
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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: 20100929 Termination date: 20130105 |