CN2932863Y - Digital set-top box - Google Patents
Digital set-top box Download PDFInfo
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- CN2932863Y CN2932863Y CNU2006200176550U CN200620017655U CN2932863Y CN 2932863 Y CN2932863 Y CN 2932863Y CN U2006200176550 U CNU2006200176550 U CN U2006200176550U CN 200620017655 U CN200620017655 U CN 200620017655U CN 2932863 Y CN2932863 Y CN 2932863Y
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Abstract
The utility model discloses a digital set-top box which comprises a CPU, a remote control reception module connected with the CPU, a memory module and a smart card module, orderly connected RF input interface, a digital television signal processing module, an audio/ video output control module and an audio/ video output interface, an audio/ video input interface and an audio/ video input control module which control audio/ video signal input of audio/ video input interface together with the CPU and is connected with audio/ video output control module. The digital set-top box of the utility model is capable of simultaneously switching between a plurality of signal input sources and applicable for television with a set of input interface.
Description
Technical field
The utility model relates to TV domain, relates in particular to a kind of top box of digital machine.
Background technology
At present along with the development of information technology and digital technology, digital television business is more and more popularized and is also more and more accepted by the user and like.See also Fig. 1, existing top box of digital machine comprises the RF (RadioFrequency that connects successively, radio frequency) input interface, tuner, channel demodulation and decoder module, demultiplexing and descrambling module, audio/video decoding module, audio-video signal are handled and graphing capability module, audio frequency and video output control module and audio and video output interface, the remote control receiver module, memory module and the smart card module that also comprise CPU, are connected with CPU, CPU also are connected with descrambling module and audio/video decoding module with demultiplexing respectively.Wherein tuner, channel demodulation and decoder module, demultiplexing and descrambling module, audio/video decoding module and audio-video signal processing and graphing capability module can be referred to as the digital television signal processing module.
The input interface of existing top box of digital machine is the RF input interface, output interface generally comprises AV (Audio/Video, audio frequency and video) output interface, S (Separate Video, S-Video, two component vides) output interface etc., the digital television signal that gets off from local side is linked into top box of digital machine by coaxial cable through the RF interface, processing output audio frequency and video analog signal through top box of digital machine, be connected to the corresponding input interface of television set by the output interface of AV output interface or other type, the audio frequency and video analog signal is input to television set watches for the user, the remote controller of user by the operand word set-top box can be controlled easily and select the TV programme oneself liked and video request program etc.
Except top box of digital machine, user's family generally is furnished with DVD player (perhaps other similar devices) at present, and DVD player can link to each other with television set by the AV output interface equally, the program in the DVD video disc is outputed on the television set appreciate for the user.The television set that at present a lot of user's familys use only has one group of AV input interface, such television set generally also can not have other senior input interface, so such user's family, open and to face top box of digital machine and DVD player after the Digital Television simultaneously and one group of problem that the AV input interface is connected of television set, the user may need the constantly plug between DVD player and top box of digital machine of AV connecting line, as shown in Figure 2, very inconvenient, had a strong impact on user's experience and impression.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of top box of digital machine that can insert a plurality of different input signal sources simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of top box of digital machine is provided, it comprises CPU, the remote control receiver module that is connected with CPU, memory module and smart card module, the RF input interface of Lian Jieing successively, the digital television signal processing module, audio frequency and video output control module and audio and video output interface, described top box of digital machine also comprise the audio frequency and video input interface and connected and be used for described CPU alternately with the audio frequency and video input control module of the audio-video signal input of controlling described audio frequency and video input interface, described audio frequency and video input control module also is connected with described audio frequency and video output control module.
Further improvement in the technical proposal is:
Described top box of digital machine also comprises the audio-video signal modular converter that is used for converting to through the audio-video signal of described audio frequency and video input interface input the audio-video signal that described audio and video output interface supports, described audio frequency and video input control module is connected with the audio frequency and video output control module by described audio-video signal modular converter.
Described top box of digital machine also comprises the telemanagement module that is used for the control and the processing of RF audio frequency and video input source and local audio frequency and video input source.
Described top box of digital machine also comprises the set-top box users operation interface display module of supporting local audio frequency and video input signal program.
Described audio frequency and video input interface is one or more of AV input interface or S input interface, and described audio and video output interface is one or more of AV output interface or S output interface.
Described audio frequency and video input interface is one or more groups, and described audio and video output interface is one or more groups.
Described digital television signal processing module comprises tuner, channel demodulation and decoder module, demultiplexing and descrambling module, audio/video decoding module and audio-video signal processing and the graphing capability module that connects successively.
Described audio-video signal modular converter can handle with described audio-video signal and the graphing capability module integrates.
Described top box of digital machine is combined with remote controller.
Described remote controller comprises the function key of switching mutually between the program interface of a program interface that is used for controlling local audio frequency and video input and Digital Television.
The beneficial effects of the utility model are: because top box of digital machine of the present utility model comprises audio frequency and video input interface and audio frequency and video input control module, therefore when the audio frequency and video input and output are identical signal and interface type, even television set has only one group of input interface, also can insert a plurality of different input signal sources simultaneously, for example the signal source imported of RF input signal source and audio frequency and video treatment facility; In addition, because top box of digital machine of the present utility model also comprises the audio-video signal modular converter, therefore when the audio frequency and video input and output are different signal and interface type,, also can insert a plurality of different input signal sources simultaneously even television set has only one group of input interface; In addition, because top box of digital machine of the present utility model also comprises the telemanagement module, the remote controller that cooperates with described top box of digital machine comprises the function key of switching mutually between the program interface of a program interface that is used for controlling local audio frequency and video input and Digital Television, therefore makes things convenient for the user directly to use a teleswitch and selects the different input signal source of control figure set-top box processes.
Description of drawings
Fig. 1 is the functional block diagram of existing top box of digital machine.
Fig. 2 is the television system schematic diagram of existing television set when connecting a plurality of AV output equipment when having only an AV input interface.
Fig. 3 is the functional block diagram of the top box of digital machine of the utility model first embodiment.
Fig. 4 is the top box of digital machine television system schematic diagram that the utility model is supported the AV input interface.
Fig. 5 is the top box of digital machine television system schematic diagram that the utility model is supported the S input interface.
Embodiment
See also Fig. 3, the top box of digital machine of the utility model first embodiment comprises CPU, the remote control receiver module, smart card module and the memory module that are connected with CPU, the RF input interface of Lian Jieing, digital television signal processing module, audio frequency and video output control module and audio and video output interface successively, the audio frequency and video input interface of Lian Jieing, audio frequency and video input control module and audio-video signal modular converter successively, this audio frequency and video input control module also is connected with CPU, and this audio-video signal modular converter also is connected with the audio frequency and video output control module.The audio-video signal modular converter also can handle with the audio-video signal of digital television signal processing module and the graphing capability module integrates.
The audio frequency and video input interface of the utility model top box of digital machine sound can have one or more groups, and this audio frequency and video input interface type is AV input interface, S input interface or other input interface.Video output interface can have one or more groups, and this audio and video output interface type is AV output interface, S output interface or other output interface.
The audio frequency and video input control module is used for importing with one or more audio-video signal of controlling one or more groups audio frequency and video input interface alternately with CPU.
The audio-video signal modular converter is used for converting the audio-video signal through the input of audio frequency and video input interface to audio-video signal that audio and video output interface is supported.The processing mode of audio-video signal has multiple, when the audio frequency and video input and output are identical signal and interface type, for example the audio frequency and video input is the AV interface signal, also output to television set by the AV output interface, the audio-video signal modular converter will not need the signal of input is carried out conversion process this moment, directly the audio-video signal transparent transmission with input outputs to the audio frequency and video output control module, at last by corresponding audio and video output interface output; When the audio frequency and video input and output are not identical signal and interface type, for example the audio frequency and video input is the S input interface, output is the AV output interface, the audio-video signal modular converter of set-top box carries out corresponding audio-video signal conversion process so, audio-video signal after the processing outputs to the audio frequency and video output control module, at last by corresponding audio and video output interface output.
Top box of digital machine of the present utility model also comprises telemanagement module and set-top box users operation interface display module, this telemanagement module is used for control and the processing to RF audio frequency and video input source and local audio frequency and video input source, this set-top box users operation interface display module increases the support to local audio frequency and video input signal program, the selection that increases local audio frequency and video input signal program at display interface enters the mouth, and operates this display interface by top box of digital machine remote controller of the present utility model and allows the user select to appreciate digital television program or appreciation local DVD (VCD or other) program easily.
When using top box of digital machine of the present utility model, need in the top box of digital machine remote controller, define a function key, be used for controlling switching mutually between the program interface of the program interface of local audio frequency and video input and Digital Television.
In addition, when the audio frequency and video input and output are identical signal and interface type, for example the audio frequency and video input is the AV interface signal, also output to television set by the AV output interface, this moment, top box of digital machine of the present utility model also can not need the audio-video signal modular converter, and at this moment, the audio frequency and video input control module directly is connected with the audio frequency and video output control module, directly the audio-video signal transparent transmission with input outputs to the audio frequency and video output control module, at last by corresponding audio and video output interface output.
Seeing also Fig. 4, is the top box of digital machine television system schematic diagram that the utility model is supported the AV input interface.When the user uses top box of digital machine of the present utility model, DVD player or other audio frequency and video treatment facility are connected through the AV input interface of AV connecting line and top box of digital machine of the present utility model by the AV output interface, and top box of digital machine links to each other by the AV input interface (perhaps corresponding other input interface) of AV output interface (perhaps other output interface) and television set.With device power-up such as DVD player, top box of digital machine, television sets, by remote controller control figure set-top box, the interface on television set, occurs selecting, select to appreciate the local DVD program that digital television program is still imported from the audio frequency and video input interface of top box of digital machine for the user.If user-selected number word TV programme with continuing to use the remote controller operation of top box of digital machine, if select the DVD program, then will be used the program of the remote controller control operation DVD of DVD player in addition.
The remote controller of top box of digital machine can be controlled between the program interface of the program interface of DVD and Digital Television and switch.After DVD player standby or the shutdown, top box of digital machine is still started shooting, and then the program interface can turn back to the program interface of Digital Television automatically from the program interface of DVD.Under top box of digital machine standby (perhaps shutdown) state, top box of digital machine directly is transferred to television set with the signal of DVD player, think that top box of digital machine equipment directly arrives television set with the audio-video signal transparent transmission of DVD player this moment, if DVD player start this moment, experience when the user directly uses the remote controller controlling DVD player of DVD and original user to have only DVD player is in full accord! During the DVD program is appreciated, can control the program interface of directly getting back to Digital Television by the remote controller of top box of digital machine, during digital television program is appreciated, can control the program interface that directly forwards DVD to by the remote controller of top box of digital machine.
Seeing also Fig. 5, is the top box of digital machine television system schematic diagram that the utility model is supported the S input interface.User's use is identical with the use of the top box of digital machine of supporting the AV input interface, be shown in Figure 5 be that DVD player or other audio frequency and video treatment facility are connected through the S input interface of S connecting line and top box of digital machine of the present utility model by the S output interface, the AV input interface of top box of digital machine by AV output interface (perhaps other output interface) and television set (perhaps other input interface) accordingly links to each other.
The above; it only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model, all any modifications of within spirit of the present utility model and principle, being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of top box of digital machine, it comprises CPU, the remote control receiver module, memory module and the smart card module that are connected with CPU, the RF input interface of Lian Jieing, digital television signal processing module, audio frequency and video output control module and audio and video output interface successively, it is characterized in that: described top box of digital machine also comprise the audio frequency and video input interface and connected and be used for described CPU alternately with the audio frequency and video input control module of the audio-video signal input of controlling described audio frequency and video input interface, described audio frequency and video input control module also is connected with described audio frequency and video output control module.
2. top box of digital machine as claimed in claim 1, it is characterized in that: described top box of digital machine also comprises the audio-video signal modular converter that is used for converting to through the audio-video signal of described audio frequency and video input interface input the audio-video signal that described audio and video output interface supports, described audio frequency and video input control module is connected with the audio frequency and video output control module by described audio-video signal modular converter.
3. top box of digital machine as claimed in claim 1 is characterized in that: described top box of digital machine also comprises the telemanagement module that is used for the control and the processing of RF audio frequency and video input source and local audio frequency and video input source.
4. top box of digital machine as claimed in claim 1 is characterized in that: described top box of digital machine also comprises the set-top box users operation interface display module of supporting local audio frequency and video input signal program.
5. top box of digital machine as claimed in claim 1 is characterized in that: described audio frequency and video input interface is one or more of AV input interface or S input interface, and described audio and video output interface is one or more of AV output interface or S output interface.
6. top box of digital machine as claimed in claim 1 is characterized in that: described audio frequency and video input interface is one or more groups, and described audio and video output interface is one or more groups.
7. top box of digital machine as claimed in claim 1 or 2 is characterized in that: described digital television signal processing module comprises tuner, channel demodulation and decoder module, demultiplexing and descrambling module, audio/video decoding module and audio-video signal processing and the graphing capability module that connects successively.
8. top box of digital machine as claimed in claim 7 is characterized in that: described audio-video signal modular converter can handle with described audio-video signal and the graphing capability module integrates.
9. top box of digital machine as claimed in claim 3 is characterized in that: described top box of digital machine is combined with remote controller.
10. top box of digital machine as claimed in claim 9 is characterized in that: described remote controller comprises the function key of switching mutually between the program interface of a program interface that is used for controlling local audio frequency and video input and Digital Television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200176550U CN2932863Y (en) | 2006-08-08 | 2006-08-08 | Digital set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200176550U CN2932863Y (en) | 2006-08-08 | 2006-08-08 | Digital set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2932863Y true CN2932863Y (en) | 2007-08-08 |
Family
ID=38349352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200176550U Expired - Lifetime CN2932863Y (en) | 2006-08-08 | 2006-08-08 | Digital set-top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2932863Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421018A (en) * | 2011-12-31 | 2012-04-18 | 青岛海信宽带多媒体技术有限公司 | Portable digital television |
-
2006
- 2006-08-08 CN CNU2006200176550U patent/CN2932863Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421018A (en) * | 2011-12-31 | 2012-04-18 | 青岛海信宽带多媒体技术有限公司 | Portable digital television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070808 |
|
| EXPY | Termination of patent right or utility model |