CN201518513U - Digital analog integrated machine - Google Patents
Digital analog integrated machine Download PDFInfo
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- CN201518513U CN201518513U CN200920269596XU CN200920269596U CN201518513U CN 201518513 U CN201518513 U CN 201518513U CN 200920269596X U CN200920269596X U CN 200920269596XU CN 200920269596 U CN200920269596 U CN 200920269596U CN 201518513 U CN201518513 U CN 201518513U
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Abstract
The utility model relates to a digital analog integrated machine which comprises an analog signal processing unit, wherein the analog signal processing unit is further composed of an intermediate frequency amplifier detection device, an analogy-digital conversion device, an analog decoding device, a format conversion device and a sound effect processing device, and further consists of a digital signal processing unit, and the digital signal processing unit further comprises a digital channel decoding device, a digital decoding device, a digital-analog conversion device, a format conversion device and a sound effect processing device. The digital analog integrated machine realizes the seamless integration of receiving of analog digital signals through digital-analog integrated high-frequency head and an image processing chip, greatly reduces the complication of a system, enhances the reliability and stability of the system, achieves the multimedia recreation functions of watching movies, listening music and browsing pictures and texts through a USB interface, and is a television product with more functions, lower cost and strong competition.
Description
Technical field
The utility model relates to a kind of television set, relates in particular to the integrated analog/digital equipment of a kind of reception simultaneously and processing digital signal and analog signal.
Background technology
Present Brazilian market is progressively by the simulation-to-digital transition, each manufacturer will all have the market of potentiality this future in contention, the simulated television receiving digital signals adopts top box of digital machine that digital signal is converted to analog signal more, and analog signal is input to TV by A V processs and displays, but because digital signal has been carried out multiple conversions, thereby signal quality reduces, set-top box is out-of-date as a kind of intermediate products, can not satisfy the requirement in current market, therefore be badly in need of releasing a analogue digital integrated television that has competitiveness and seize market.
The utility model content
The technical problems to be solved in the utility model is: a kind of compatible integrated analog/digital equipment that receives analog and digital signal is provided.
In order to overcome the defective that exists in the background technology, a kind of integrated analog/digital equipment, comprise analogy signal processing unit, during further comprising, described analogy signal processing unit puts detector arrangement, analog-digital commutator, analog codec device, format changing apparatus and sound-effect processing equipment, also comprise digital signal processing unit, described digital signal processing unit further comprises digital channel decoding device, digital decoding device, digiverter, format changing apparatus and sound-effect processing equipment.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described tuner is connected with central processing unit, put detector arrangement in the analog signal warp that described tuner inserts and obtain CVBS signal and simulated audio signal, the digital signal channel decoding device that described tuner inserts generates and also exports digital TS stream.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described CVBS signal obtains simulating red, green, blue output or the output of digital red, green, blue through the colour decoding processing.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises further that described digital TS flows through and obtains digital video signal and digital audio and video signals after the digital decoding device decoding, described digital audio and video signals converts simulated audio signal to through digiverter, described digital video signal obtains digital red, green, blue output or the output of simulation red, green, blue through format changing apparatus, and described digital decoding device is the MPEG2 decoder.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described digital signal processing unit is provided with audio frequency amplifier, and described digiverter is connected with described audio frequency amplifier.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described simulated audio signal is through high pitch, bass, balance, handle after audio frequency amplifier is delivered to loud speaker around sound effect.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described simulation red, green, blue output and described digital red, green, blue output are sent to image processor.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further the peripheral matched of described image processor has the Double Data Rate synchronous DRAM of 16 64M, the flash memory of 16 4M and the Electrically Erasable Read Only Memory of a 64Kbit.
According to another embodiment of the present utility model, integrated analog/digital equipment further comprises and also is provided with a USB interface, and described USB interface connects the USB2.0 controller, and described USB2.0 controller connects described image processor.
According to another embodiment of the present utility model, integrated analog/digital equipment comprises that further described tuner adopts digital analog integrated tuner, and described image processor adopts picture processing chip.
The utility model has solved the defective that exists in the background technology, the utility model is seamless integrated by adopting digital-analog integrated tuner and picture processing chip to realize that analog and digital signal receives, make the complexity of system reduce greatly, the reliability and stability of system have been strengthened, and realized by USB interface see a film, listen to the music, multimedia recreation function such as browsing pictures text, be a powerful, cost is lower, competitiveness is strong tv product.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Wherein: put detector arrangement 1,, 2, analog-digital commutator, 3, the analog codec device, 4, format changing apparatus, 5, sound-effect processing equipment, 6, digital channel decoding device, 7, the digital decoding device, 8, digiverter, 9 audio frequency amplifiers, 10 loud speakers, 11, image processor, 12, tuner.
Embodiment
With preferred embodiment the utility model is described in further detail in conjunction with the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of integrated analog/digital equipment, comprise analogy signal processing unit, during further comprising, described analogy signal processing unit puts detector arrangement 1, analog-digital commutator 2, analog codec device 3, format changing apparatus 4 and sound-effect processing equipment 5, also comprise digital signal processing unit, described digital signal processing unit further comprises digital channel decoding device 6, digital decoding device 7, digiverter 8, format changing apparatus 4 and sound-effect processing equipment 5.
Analogy signal processing unit: put detector arrangement 1 during anolog TV signals are inputed to by tuner 12 and put detection in carrying out and handle output analog video signal and simulated audio signal, analog video signal is delivered to analog codec device 3 and is carried out decoding processing.The video of the video of video port input and component (YPbPr) input line by line deliver to together also that analog codec device 3 and analog video signal are done to switch and decoding after give CPU (CPU) and carry out the format conversion processing.And after the analog video signal of simulation red, green, blue component input (RGB) and component input (YPbPr) line by line carries out analog-to-digital conversion through the analog-digital commutator 2 that has the HDMI interface, deliver to that CPU (CPU) carries out just obtaining simulating red, green, blue output after format conversion is handled or digital red, green, blue is exported.The simulated audio signal that simulated television audio signal and each port are imported is sent to just can output to audio-frequency power amplifier 9 amplification promotion loud speakers 10 sounding after sound-effect processing equipment 5 is handled through high pitchs, bass, balance, surrounding effect.
Digital signal processing unit: digital television signal is input to tuner 12 channel decoding devices 6 and generates and export digital TS stream, delivering to digital decoding device 7 then decodes, decoded digital video signal becomes analog video signal after digiverter 8 conversions, after format changing apparatus 4 conversion, obtain digital red, green, blue output or the output of simulation red, green, blue then, export the Digital Television audio signal simultaneously.HDMI audio signal and Digital Television audio signal by the input of HDMI interface are done to output to digiverter 8 after the switching, export a way word audio signal (SPIDF) simultaneously and use for external sound power amplifier.Voice signal after the digital-to-analogue conversion is given sound-effect processing equipment 5, amplifies the back by audio-frequency power amplifier (AUDIO AMP) 9 and promote loud speaker 10 sounding after high pitch, bass, balance, surrounding sound effect are handled.
Described USB interface can be connected with image processor by USB 2.0 controllers, realizes television set and external USB data transfer between devices.
Data when the Double Data Rate Synchronous Dynamic Random Access Memory (DDR 2SDRAM) that the periphery of image processor 11 is matched with 16 64M is used for temporary image processing, the flash memory (FLASH) of 16 4M come the Electrically Erasable Read Only Memory (EEPROM) of a storage program and a 64Kbit to store the user to be provided with.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (10)
1. integrated analog/digital equipment, comprise analogy signal processing unit, during further comprising, described analogy signal processing unit puts detector arrangement, analog-digital commutator, analog codec device, format changing apparatus and sound-effect processing equipment, it is characterized in that: also comprise digital signal processing unit, described digital signal processing unit further comprises digital channel decoding device, digital decoding device, digiverter, format changing apparatus and sound-effect processing equipment.
2. integrated analog/digital equipment as claimed in claim 1, it is characterized in that: described tuner is connected with central processing unit, put detector arrangement in the analog signal warp that described tuner inserts and obtain CVBS signal and simulated audio signal, the digital signal channel decoding device that described tuner inserts generates and also exports digital TS stream.
3. integrated analog/digital equipment as claimed in claim 2 is characterized in that: described CVBS signal is handled through colour decoding and is obtained simulating red, green, blue output or the output of digital red, green, blue.
4. as claimed in claim 2, it is characterized in that: described digital TS flows through and obtains digital video signal and digital audio and video signals after the digital decoding device is decoded, described digital audio and video signals converts simulated audio signal to through digiverter, described digital video signal obtains digital red, green, blue output or the output of simulation red, green, blue through format changing apparatus, and described digital decoding device is the MPEG2 decoder.
5. as claim 1 or 4 described integrated analog/digital equipments, it is characterized in that: described digital signal processing unit is provided with audio frequency amplifier, and described digiverter is connected with described audio frequency amplifier.
6. as claim 2 or 4 described integrated analog/digital equipments, it is characterized in that: described simulated audio signal is through high pitch, bass, balance, handle after audio frequency amplifier is delivered to loud speaker around sound effect.
7. as claim 3 or 4 described integrated analog/digital equipments, it is characterized in that: described simulation red, green, blue output is sent to image processor with described digital red, green, blue output.
8. integrated analog/digital equipment as claimed in claim 1, it is characterized in that: the peripheral matched of described image processor has the Double Data Rate synchronous DRAM of 16 64M, the flash memory of 16 4M and the Electrically Erasable Read Only Memory of a 64Kbit.
9. integrated analog/digital equipment as claimed in claim 1, its feature is being: also be provided with a USB interface, described USB interface connects USB 2.0 controllers, and described USB2.0 controller connects described image processor.
10. integrated analog/digital equipment as claimed in claim 1 is characterized in that: described tuner adopts digital analog integrated tuner, and described image processor adopts picture processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920269596XU CN201518513U (en) | 2009-09-18 | 2009-10-28 | Digital analog integrated machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920187715.7 | 2009-09-18 | ||
| CN200920269596XU CN201518513U (en) | 2009-09-18 | 2009-10-28 | Digital analog integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518513U true CN201518513U (en) | 2010-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920269596XU Expired - Fee Related CN201518513U (en) | 2009-09-18 | 2009-10-28 | Digital analog integrated machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201518513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898454A (en) * | 2015-11-20 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Signal processing device and multimedia playback device |
| CN109510646A (en) * | 2018-11-01 | 2019-03-22 | 昆明理工大学 | A kind of digital simulation audio signal self adaption input processing device |
| CN110856078A (en) * | 2019-11-04 | 2020-02-28 | 中山市悦辰电子实业有限公司 | Anti-interference method for digital-analog hybrid circuit |
-
2009
- 2009-10-28 CN CN200920269596XU patent/CN201518513U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898454A (en) * | 2015-11-20 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Signal processing device and multimedia playback device |
| CN109510646A (en) * | 2018-11-01 | 2019-03-22 | 昆明理工大学 | A kind of digital simulation audio signal self adaption input processing device |
| CN110856078A (en) * | 2019-11-04 | 2020-02-28 | 中山市悦辰电子实业有限公司 | Anti-interference method for digital-analog hybrid circuit |
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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: 20100630 Termination date: 20121028 |