CN108401181A - A kind of set-top-box system and its data processing method based on USB network card technology - Google Patents
A kind of set-top-box system and its data processing method based on USB network card technology Download PDFInfo
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- CN108401181A CN108401181A CN201810099816.2A CN201810099816A CN108401181A CN 108401181 A CN108401181 A CN 108401181A CN 201810099816 A CN201810099816 A CN 201810099816A CN 108401181 A CN108401181 A CN 108401181A
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- China
- Prior art keywords
- digital video
- broadcast signal
- video broadcast
- internet television
- end module
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- Pending
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- 238000005516 engineering process Methods 0.000 title claims abstract description 23
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
Abstract
The present invention provides a kind of set-top-box systems based on USB network card technology, including digital video broadcasting front-end module, which is characterized in that the digital video broadcasting front-end module includes：Tuned cell, for receiving digital video broadcast signal and the high-frequency digital video broadcast signal being tuned to intermediate-freuqncy signal；Demodulating unit, for the intermediate-freuqncy signal after the tuning to be demodulated into original digital video broadcast signal；And USB network card unit, for the digital video broadcast signal to be packaged into network packet and is transferred to internet television rear module.Set-top-box system and its data processing method provided by the invention based on USB network card technology use modular hardware device, DVB broadcast TV programs are linked into existing OTT set-top box, it allows users to easily watch DVB programs, solves the problems, such as that DVB is linked into existing OTT user families.
Description
Technical field
The present invention relates to TV technologies, relate more specifically to a kind of set-top box of compatible OTT and DVB functions.
Background technology
With the continuous development of sized enterprises in chinese DTV industry, internet television (Over-The-Top TV, OTT) rapidly captures
The video screen of users.Digital video broadcasting (Digital Video Broadcast, DVB) is opened to a certain extent
Beginning moves towards decline, gradually loses a large number of users.In recent years, broadcasting and TV are had an effect, and start the industry pattern for being laid out OTT+DVB.Telecommunications network,
The it is proposed of broadcasting and television network, internet " triple play ” has greatly facilitated the development of OTT+DVB.Currently, a large amount of on the market
The presence of OTT set-top box hinders the development of DVB.Fig. 1 is the structure of the set-top box 100 of existing compatible OTT and DVB functions
Schematic block diagram.As shown in Figure 1, traditional OTT+DVB set-top boxes 100 realize OTT+DVB schemes using complete machine mode.OTT+
Built-in tuner module 110, demodulation module 120 and processor 130 in DVB set-top boxes 100.Digital video broadcasting (DVB) signal
(for example, transport stream TS) is linked into the tuner module 110 of set-top box 100 by coaxial cable, is believed high frequency by tuner module 110
Number it is tuned to intermediate-freuqncy signal.Intermediate-freuqncy signal after tuning is demodulated into original TS again and flowed by demodulation module 120, then transfers to handle
The processing of device 130.Processor 130 by demultiplexing module 132 demultiplex after by data decode come.
However, due to having existed a large amount of OTT set-top box in the market, if using traditional OTT+DVB schemes very
Hardly possible pushes the development in the markets DVB.If having had purchased the box of OTT in user family, be difficult to push user give up it is existing
OTT set-top box and the STB for buying the OTT+DVB of a traditional scheme again.
Therefore, it is necessary to a kind of set-top boxes of improved compatible OTT and DVB functions, more easily by DVB broadcast TV programs
It is linked into existing OTT set-top box.
Invention content
In view of this, the embodiment of the present invention provides a kind of set-top-box system based on USB network card technology, including digital video
Broadcast head end module, which is characterized in that the digital video broadcasting front-end module includes：Tuned cell is regarded for receiving number
Frequency broadcast singal and the high-frequency digital video broadcast signal is tuned to intermediate-freuqncy signal；Demodulating unit is used for the tune
Intermediate-freuqncy signal after humorous is demodulated into original digital video broadcast signal；And USB network card unit, it is used for the digital video
Broadcast singal is packaged into network packet and is transferred to internet television rear module.
Preferably, the digital video broadcasting front-end module by USB network technology of sharing by digital video broadcast signal
It is transferred to the internet television rear module.
Preferably, it is to pass through USB between the digital video broadcasting front-end module and the internet television rear module
2.0 interfaces connect.
Preferably, the set-top-box system further includes built-in application software, for playing the digital video broadcast signal.
Preferably, the digital video broadcasting front-end module and internet television rear module are that selective physics is split.
Preferably, the internet television rear module is the set-top box of single internet television function.
The present invention also provides a kind of data of set top box processing methods based on USB network card technology, including：It is wide by digital video
Front-end module is broadcast to receive digital video broadcast signal and the high-frequency digital video broadcast signal is tuned to intermediate-freuqncy signal；It will
Intermediate-freuqncy signal after the tuning is demodulated into original digital video broadcast signal；The digital video broadcast signal is packaged into
Network packet；And the network packet is transferred to by internet television rear module by USB network technology of sharing.
Preferably, the described the step of network packet is transferred to internet television rear module, includes：Utilize machine
Built-in application software in top box plays the digital video broadcast signal.
Preferably, the digital video broadcasting front-end module and the internet television rear module are that selective physics is torn open
Point.
Preferably, the internet television rear module is the set-top box of single internet television function.
Advantageously, set-top-box system and its data processing method provided by the invention based on USB network card technology use mould
DVB broadcast TV programs are linked into existing OTT set-top box by the hardware device of block, allow users to easily see
It sees DVB programs, solves the problems, such as that DVB is linked into existing OTT user families.After user buys this product, by third using soft
Part can watch DVB broadcast TV programs in existing OTT set-top box.By this method, guarantee user does not give up existing
It in the case of OTT boxes, allows user that can easily watch DVB TV programme, the hair of DVB industries is pushed with minimum cost
Exhibition.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic block diagram of existing OTT+DVB set-top boxes.
Fig. 2 is the structural schematic block diagram of the set-top-box system according to the ... of the embodiment of the present invention based on USB network card technology.
Fig. 3 is the flow diagram of data of set top box processing method according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 2 is the structural schematic block diagram of the set-top-box system 200 according to the ... of the embodiment of the present invention based on USB network card technology.
As shown in Fig. 2, set-top-box system 200 may include digital video broadcasting front-end module and internet television rear module (for example, with
The existing OTT set-top box of family man 240).Between the digital video broadcasting front-end module and the internet television rear module
It is to be connected by USB interface.Preferably, the digital video broadcasting front-end module and internet television rear module are selectivity
Physics is split, i.e. the two of separate modular hardware device.In one embodiment, the USB interface is USB2.0 interfaces.
The digital video broadcasting front-end module is by USB network technology of sharing by digital video broadcast signal (for example, TS
Transport stream) it is transferred to the internet television rear module.In one embodiment, the digital video broadcasting front-end module can
Including：Tuned cell 210, for receiving digital video broadcast signal and being tuned to the high-frequency digital video broadcast signal
Intermediate-freuqncy signal；Demodulating unit 220, for the intermediate-freuqncy signal after the tuning to be demodulated into original digital video broadcast signal；
And USB network card unit 230, for the digital video broadcast signal to be packaged into network packet and is transferred to described mutual
Network television rear module (for example, user family existing OTT set-top box 240).
Preferably, the set-top-box system further includes built-in application software (not shown), for playing the digital video
Broadcast singal.
Preferably, the internet television rear module is the set-top box of single internet television function (for example, user family
Existing OTT set-top box 240).
Fig. 3 is the flow diagram of data of set top box processing method 300 according to the ... of the embodiment of the present invention.As shown in figure 3, base
It may include in the data of set top box processing method 300 of USB network card technology：
Step 310：Digital video broadcast signal is received by digital video broadcasting front-end module and by the high-frequency digital
Video broadcast signal is tuned to intermediate-freuqncy signal；
Step 320：Intermediate-freuqncy signal after the tuning is demodulated into original digital video broadcast signal；
Step 330：The digital video broadcast signal is packaged into network packet；And
Step 340：The network packet is transferred to internet television rear module by USB network technology of sharing
(for example, user family existing OTT set-top box 240).
Preferably, the described the step of network packet is transferred to internet television rear module, may include：It utilizes
Built-in application software in set-top box plays the digital video broadcast signal.
Preferably, the digital video broadcasting front-end module and internet television rear module are that selective physics is split.
Preferably, the internet television rear module is the set-top box of single internet television function.
Advantageously, set-top-box system and its data processing method provided by the invention based on USB network card technology use mould
DVB broadcast TV programs are linked into existing OTT set-top box by the hardware device of block, allow users to easily see
It sees DVB programs, solves the problems, such as that DVB is linked into existing OTT user families.After user buys this product, by third using soft
Part can watch DVB broadcast TV programs in existing OTT set-top box.
By this method, in the case of ensureing that user does not give up existing OTT boxes, user can easily watch
DVB TV programme push the development of DVB industries with minimum cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of set-top-box system based on USB network card technology, including digital video broadcasting front-end module, which is characterized in that institute
Stating digital video broadcasting front-end module includes：
Tuned cell, for receiving digital video broadcast signal and the high-frequency digital video broadcast signal being tuned to intermediate frequency
Signal；
Demodulating unit, for the intermediate-freuqncy signal after the tuning to be demodulated into original digital video broadcast signal；And
USB network card unit, for the digital video broadcast signal to be packaged into network packet and is transferred to internet electricity
Depending on rear module.
2. set-top-box system as described in claim 1, it is characterised in that：
Digital video broadcast signal is transferred to described mutual by the digital video broadcasting front-end module by USB network technology of sharing
Network television rear module.
3. set-top-box system as described in claim 1, it is characterised in that：
It is to be connected by 2.0 interfaces of USB between the digital video broadcasting front-end module and the internet television rear module
It connects.
4. set-top-box system as described in claim 1 further includes built-in application software, for playing the digital video broadcasting
Signal.
5. set-top-box system as described in claim 1, after the digital video broadcasting front-end module and the internet television
End module is that selective physics is split.
6. set-top-box system as described in claim 1, which is characterized in that the internet television rear module is single interconnection
The set-top box of net TV functions.
7. a kind of data of set top box processing method based on USB network card technology, including：
Digital video broadcast signal is received by digital video broadcasting front-end module and by the high-frequency digital video broadcast signal
It is tuned to intermediate-freuqncy signal；
Intermediate-freuqncy signal after the tuning is demodulated into original digital video broadcast signal；
The digital video broadcast signal is packaged into network packet；And
The network packet is transferred to internet television rear module by USB network technology of sharing.
8. data of set top box processing method as claimed in claim 7, which is characterized in that described to transmit the network packet
Include to the step of internet television rear module：
The digital video broadcast signal is played using the built-in application software in set-top box.
9. data of set top box processing method as claimed in claim 7, which is characterized in that the digital video broadcasting front-end module
It is that selective physics is split with the internet television rear module.
10. data of set top box processing method as claimed in claim 7, which is characterized in that the internet television rear module
For the set-top box of single internet television function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099816.2A CN108401181A (en) | 2018-01-31 | 2018-01-31 | A kind of set-top-box system and its data processing method based on USB network card technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810099816.2A CN108401181A (en) | 2018-01-31 | 2018-01-31 | A kind of set-top-box system and its data processing method based on USB network card technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108401181A true CN108401181A (en) | 2018-08-14 |
Family
ID=63095845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810099816.2A Pending CN108401181A (en) | 2018-01-31 | 2018-01-31 | A kind of set-top-box system and its data processing method based on USB network card technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108401181A (en) |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
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