CN2836362Y - Digital CATV receiver and hard disk integral whole machine - Google Patents
Digital CATV receiver and hard disk integral whole machine Download PDFInfo
- Publication number
- CN2836362Y CN2836362Y CNU2005201234652U CN200520123465U CN2836362Y CN 2836362 Y CN2836362 Y CN 2836362Y CN U2005201234652 U CNU2005201234652 U CN U2005201234652U CN 200520123465 U CN200520123465 U CN 200520123465U CN 2836362 Y CN2836362 Y CN 2836362Y
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- hard disk
- receiver
- digital cable
- utility
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Abstract
The utility model discloses an integral whole machine of a receiver of a digital cable television and a hard disk. The aim of the utility model is to provide a diversified integral whole machine of a receiver of a digital cable television and a hard disk, which has wide compatibility, large recording capacity and convenient utilization. A CPU and an audio video coding and decoding circuit in electronic lines of a receiver of a digital cable television are connected to a built-in hard disk through an IDE interface, an output electronic line is connected to all the interfaces, the CPU is connected to an external device through a corresponding interface, and the electronic lines of the receiver of a digital cable television and the built-in hard disk are arranged in the same machine shell. When the hard disk is used for recording, simplicity and convenience are offered, and television programs can be saved at a first time. Meanwhile, USB and other interfaces can be used for the connection of external storing devices so as to facilitate file transmission. The hard disk has large storage capacity and low cost. The utility model has the advantages of compatibility with various audio and video formats, added upgrade of product capacity, convenient utilization and simple operation.
Description
Technical field
The utility model relates to digital cable TV receiver (STB) product and expansion field thereof, in particular, relates to a kind of digital cable TV receiver (STB) and hard disk all-in-one.
Background technology
In the 21 century that turns to essential characteristic with digitlization, networking and information, the process of telecommunications network, computer network and the cable television network integration of three networks will constantly be accelerated, and the imbody of this fusion interactive television (ITV, Interactive Television) just.
Top box of digital machine is not only user terminal, or the network terminal, it can make simulated television turn to interactive digital TV (as video request program etc.) from passive reception simulated television, and can enter the Internet, and makes the user enjoy omnibearing information services such as TV, data, language.Top box of digital machine (STB, Set-Top-Box) be indispensable important component part in the interactive TV system, it is the bridge between common TV and the wideband transmit, can on common TV, watch high-definition image and carry out services such as video request program (VOD, Video On Demand), home shopping by its user.Therefore, the top box of digital machine of design performance brilliance, complete function is significant to the development interactive television.
This shows that the family that set-top box enters the Chinese common people is trend of the times.But he does not have own recording mode, and the user wants that the TV programme of liking that keeps can only realize recording by some external equipments, seems more numerous and diverse like this, and can not record the use inconvenience in the very first time in case run into the program of liking yet.
The utility model content
The utility model is for a kind of diversification is provided, and extensively compatible, it is big to record capacity, digital cable TV receiver easy to use and hard disk all-in-one.
The utility model is achieved through the following technical solutions:
A kind of digital cable TV receiver and hard disk all-in-one, comprise casing and digital cable TV receiver electronic circuit, it is characterized in that, CPU in the described digital cable TV receiver electronic circuit is connected with built-in hard disk by ide interface with the audio/video coding decoding circuit, and is connected with each interface by the output electronic circuit.CPU is connected with external equipment by the corresponding interface, and digital cable TV receiver electronic circuit, built-in hard disk are in same casing.
The utlity model has following beneficial effect:
Can record by hard disk, convenient and simple.Can record TV programme in the very first time.The memory capacity of hard disk is big, cost low (market price 300 yuan, the hard disk of 40G can be recorded about 200 hours translucent Tv program).And we can pass through USB, and interfaces such as IEEE1394 are connected with External memory equipment, and the transmission of convenience file infinitely enlarges memory capacity, and interactivity is stronger.Can also compatible multiple audio frequency and video form, increased the product capacity upgrading, easy to use, simple to operate.Have the video recording and the function of video reproduction, the while has guaranteed high image quality and tonequality broadcast/editor/storage on the basis of existing technology.And simple in structure, the cost of product reduces, and quality improves.
Description of drawings
Fig. 1 is the utility model digital cable TV receiver and hard disk all-in-one cut-away view.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
The utility model digital cable TV receiver and hard disk all-in-one cut-away view as shown in Figure 1, the hardware construction of its core can be divided into front end channel demodulation decoding and two parts of rear end source coding.Fore-end is a core with tuner and channel decoder, is mainly used in reception and comes the signal specific of automatic network to demodulate mpeg transport stream from radiofrequency signal; Rear end part comprises CPU and mpeg decode chip, finishes the controlled function of audio frequency and video digital signal decoding, decompression, the formation of simulated television audio-video signal and the STB each several part of compression.Carry out imprinting for convenience, the CPU in the digital cable TV receiver electronic circuit is connected with built-in hard disk by IDE (Integrated Drive Electronics) interface with the audio/video coding decoding circuit.CPU is connected with external equipment such as disk cartridge/digital camera etc. as USB (2.0)/IEEE1394/ storage card/MODEM interfaces such as (modem) by the corresponding interface.Digital cable TV receiver electronic circuit, built-in hard disk are in same casing.
The course of work of the utility model digital cable TV receiver and hard disk all-in-one: digital TV set-top box is selected channel by front end, and carry out demodulation and and channel-decoding handle, output MPEG-2 MPTS data, give demodulation multiplexer, demodulation multiplexer is extracted a program out from the mpeg 2 transport stream data the audio frequency of looking of having packed flows (PES) data substantially, comprise video PES, audio frequency PES and auxiliary data PES, comprise a descrambling engine in the demodulation multiplexer, can carry out descrambling to the data of scrambling in transport stream layer and PES layer, demodulation multiplexer output be descrambling look audio frequency PES.Video PES sends into Video Decoder, takes out the MPEG-2 video data and to after its decoding, outputs to analog encoder, is encoded into analog video signal, exports through video output circuit again.Audio frequency PES sends into audio decoder, takes out the MPEG-2 voice data and to its decoding, exports the pcm audio data to audio frequency D/A converter, and audio frequency D/A converter output analog stereo audio signal is exported through audio output circuit.Simultaneously, CPU controls coding decoder, is connected with built-in hard disk by IDE (Integrated Drive Electronics) interface, can store and read the data of receiving at any time.Also can utilize interface connection External memory equipments such as USB, the transmission of convenience file.The memory capacity of hard disk is big, and cost is low.Can also compatible multiple audio frequency and video form, increased the product capacity upgrading, easy to use, simple to operate.
If consider again set-top box can directly export original radio frequency signal (RF bypass), directly receive anolog TV signals (tuner-PAL/NTSC demodulation), condition receive (descrambling engine), receiving digital data information (two-way tuning-functions such as QAM demodulation-Cable Modem-CPU) and interactive operation (CPU-Cable Modem-QPSK QAM modulation-two-way tuning), various multimedia interfaces, then can consider to increase again the corresponding function module.Certainly before the operator of cable television network is transformed into bilateral network with the catv network of present one-way transmission, adopt based on telephone wire 1., Ethernet signal passback mode 2. is the real means that set-top box realizes interactive application.
Although relate to a kind of digital cable TV receiver and the hard disk all-in-one has carried out special description to disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (1)
1. digital cable TV receiver and hard disk all-in-one, comprise casing and digital cable TV receiver electronic circuit, it is characterized in that, CPU in the described digital cable TV receiver electronic circuit is connected with built-in hard disk by ide interface with the audio/video coding decoding circuit, and by output electronic circuit connect each interface, described CPU is connected with external equipment by the corresponding interface, and described digital cable TV receiver electronic circuit, built-in hard disk are in same casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201234652U CN2836362Y (en) | 2005-11-29 | 2005-11-29 | Digital CATV receiver and hard disk integral whole machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201234652U CN2836362Y (en) | 2005-11-29 | 2005-11-29 | Digital CATV receiver and hard disk integral whole machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836362Y true CN2836362Y (en) | 2006-11-08 |
Family
ID=37301011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201234652U Expired - Fee Related CN2836362Y (en) | 2005-11-29 | 2005-11-29 | Digital CATV receiver and hard disk integral whole machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836362Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212627B (en) * | 2006-12-28 | 2012-02-29 | 海尔集团公司 | System and method for implementing PVR function in digital TV set |
| CN102595219A (en) * | 2012-01-18 | 2012-07-18 | 福建新大陆通信科技股份有限公司 | Tri-network integration digital high-definition multimedia receiving terminal |
-
2005
- 2005-11-29 CN CNU2005201234652U patent/CN2836362Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212627B (en) * | 2006-12-28 | 2012-02-29 | 海尔集团公司 | System and method for implementing PVR function in digital TV set |
| CN102595219A (en) * | 2012-01-18 | 2012-07-18 | 福建新大陆通信科技股份有限公司 | Tri-network integration digital high-definition multimedia receiving terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |