CN201222743Y - Digital multimedia broadcast receive component for mobile terminal - Google Patents
Digital multimedia broadcast receive component for mobile terminal Download PDFInfo
- Publication number
- CN201222743Y CN201222743Y CNU2008201265014U CN200820126501U CN201222743Y CN 201222743 Y CN201222743 Y CN 201222743Y CN U2008201265014 U CNU2008201265014 U CN U2008201265014U CN 200820126501 U CN200820126501 U CN 200820126501U CN 201222743 Y CN201222743 Y CN 201222743Y
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- portable terminal
- digital multimedia
- dmb
- broadcasting signal
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Abstract
The utility model relates to a digital multimedia broadcast receiving component of a mobile terminal, which carries out the separate interface connection with the mobile terminal and enables the mobile which is originally not has the capacities of receiving and reproducing multimedia broadcast data to have the capacities of receiving and reproducing the multimedia broadcast data. The component comprises a digital multimedia broadcast signal receiving unit which comprises a part of the digital multimedia broadcast signals, a communication channel analyzing and demodulating unit which is connected with the digital multimedia broadcast signal receiving unit, a signal decoding unit which is connected with the communication analyzing and demodulating unit, a universal interface unit which is connected with the signal decoding unit and is connected with the mobile terminal in an interface connection, and a central controller which is connected with the communication channel analyzing and demodulating unit and the universal interface unit and controls the communication channel analyzing and demodulating unit and the universal interface unit.
Description
Technical field
The utility model relates to a kind of DMB receiving unit that is used for portable terminal, more particularly, relates to and a kind ofly can carry out the DMB receiving unit that separable interface is connected with portable terminal.
Background technology
At present, the portable terminal with reproduction of moving picture function such as mobile phone, PDA(Personal Digital Assistant), laptop computer, digital camera, portable electronic device or auto-navigation system is quite universal in people's life.Recently, along with the development of DMB technology, use these portable terminals to watch the demand of DMB program just growing.
The mobile terminal component that can receive and watch the portable terminal of DMB program to comprise to have the reproduction of moving picture function, be used for the parts of receiving digital multimedia broadcastinging programme signal and be used for the DMB programme signal that receives is decoded with the DMB data of the reproducible data format of reproduction block that converts portable terminal to and sent to the unit of the reproduction block of portable terminal.Developed now this portable terminal that can receive and watch the DMB program, the high-end mobile phone products of mobile communication terminal for example, but on market, do not popularize, still there are many traditional portable terminals just to be used at present.Because traditional portable terminal does not comprise the module that receives the decode of digital multimedia broadcasting signal, and can only support specific audio/video data form, so the user of traditional mobile terminal can not watch the DMB program by their portable terminal.For this mobile terminal user, in order to watch the DMB program just must make changing the choice of portable terminal, the result causes waste on the one hand, be on the other hand for new terminal use uncomfortable.
Summary of the invention
The utility model is intended to solve the problem of above-mentioned existence.The utility model provides a kind of DMB receiving unit, and it carries out separable interface with portable terminal and is connected.This DMB receiving unit is used for the receiving digital multimedia broadcastinging data, and with the Data Format Transform of the DMB data that receive multimedia data format for being reproduced by general portable terminal, and the DMB data that will be converted to the reproducible data format of portable terminal send to portable terminal, thereby make that not possessing the general mobile terminal user that receives and reproduce this kind DMB data function also can watch the DMB program.
Above-mentioned DMB receiving unit comprises: the digital multimedia broadcasting signal receiving element, and it comprises the parts of receiving digital multimedia broadcast; Multiple Channel Analysis and demodulation unit, it is connected with described digital multimedia broadcasting signal receiving element, carry out demodulation from described digital multimedia broadcasting signal receiving element receiving digital multimedia broadcast and to digital multimedia broadcasting signal, to be converted into the multimedia data format that can be received by described portable terminal; Signal decoding unit, it is connected with demodulation unit with described Multiple Channel Analysis, and the data of the multimedia data format after the described conversion are decoded, the audio, video data that can be reproduced by described portable terminal with output; Versatile Interface Unit, it is connected with described signal decoding unit and carries out interface with described portable terminal and is connected; And master controller, it is connected with demodulation unit and described Versatile Interface Unit with described Multiple Channel Analysis, and control described Multiple Channel Analysis and demodulation unit digital multimedia broadcasting signal is converted into the multimedia data format that can be received and reproduce by described portable terminal, and control described Versatile Interface Unit the decoded digital multimedia broadcasting signal of signal decoding unit is outputed to portable terminal.
The advantage of DMB receiving unit of the present utility model is: at first, compare with can only receiving in the prior art with the assembly that transforms a kind of specific data form, DMB receiving unit of the present utility model can be supported multiple DMB standard and multiple audio/video decoding standard; Secondly, compare with the structure of by the codec of general portable terminal the input data being decoded in the prior art, DMB receiving unit of the present utility model has comprised codec, decoded audio, video data can be sent to portable terminal, thereby simplify the structure of portable terminal and improved the flexibility that designs.
Description of drawings
Fig. 1 shows the schematic diagram that is connected of DMB receiving unit of the present utility model and portable terminal.
Fig. 2 shows the block diagram according to the structure of the DMB receiving unit of an execution mode of the utility model.
Fig. 3 shows the block diagram that DMB receiving unit of the present utility model is connected and reproduces with portable terminal.
Embodiment
Preferred embodiment of the present utility model is described below with reference to accompanying drawings.Accompanying drawing only is described with the form of example, the utility model is not limited to parts shown in the drawings and structure.
Fig. 1 has schematically shown being connected of DMB receiving unit 100 of the present utility model and portable terminal 102.Portable terminal 102 can be any device with reproduction of moving picture function, for example mobile phone shown in the figure, laptop computer, PDA(Personal Digital Assistant) or the digital camera that does not illustrate in the drawings, portable electronic device or auto-navigation system etc.
As shown in Figure 1, DMB receiving unit 100 of the present utility model can carry out separable interface and is connected with the interface unit on the portable terminal 102.When being connected to portable terminal 102, DMB receiving unit 100 receiving digital multimedia broadcastinging data, and with the Data Format Transform of the DMB data that receive multimedia data format for being reproduced by general portable terminal 102, and the DMB data that will be converted to the reproducible data format of portable terminal send to portable terminal 102, thereby make that not possessing the general mobile terminal user that receives and reproduce this kind DMB data function also can watch the DMB program.
In addition, DMB receiving unit 100 can be implemented as a mobile memory such as the USB flash memory, thereby the function with mobile memory is simultaneously as the DMB receiving unit that is used for portable terminal of the present utility model.
Fig. 2 shows the structure according to the DMB receiving unit of an execution mode of the utility model.As shown in Figure 2, the DMB receiving unit comprises the digital multimedia broadcasting signal receiving element, and the digital multimedia broadcasting signal receiving element has the parts of the energy receiving digital multimedia broadcast such as antenna.The digital multimedia broadcasting signal receiving element is connected with demodulation unit with Multiple Channel Analysis, thereby the digital multimedia broadcasting signal that receives is input to Multiple Channel Analysis and demodulation unit, to carry out demodulation, can be moved the multimedia data format that terminal receives thereby be converted into.This Multiple Channel Analysis and demodulation unit are supported multiple DMB standard, for example: CDMB, DAB, CMMB, T-MMB, DMB-T/H, T-DMB/S-DMB, IMMB, DVB-T/H, DAB-IP, MediaFLO and ISDB-T, thereby can receive multiple digital multimedia broadcasting signal, and this kind digital multimedia broadcasting signal is converted into the multimedia data format that can not possessed the general portable terminal reception that receives this kind formatted data.
Signal decoding unit comprises audio signal decoding unit and video signal decoding unit, they respectively with Multiple Channel Analysis be connected with demodulation unit receive channel analysis and demodulation unit demodulation and transform after the Voice ﹠ Video multi-medium data, and respectively these data are decoded.This signal decoding unit is supported multiple audio/video decoding standard, for example: AVS, H.264, MPEG-4, DivX, WMV9, MPEG-4BSAC/AAC+V2/AAC, WMA, MP3 etc., thereby can be in the DMB receiving unit multi-medium data be decoded as the audio, video data that the portable terminal that can be supported the different audio-video standard reproduces.
Versatile Interface Unit is connected with signal decoding unit, to receive from the decoded Voice ﹠ Video signal of signal decoding unit output.The while Versatile Interface Unit carries out separable interface with the controller of portable terminal and is connected, and decoded audio-video signal is outputed to portable terminal.As shown in Figure 3.This Versatile Interface Unit for example comprises USB (USB), SD card, TF card, interfaces such as MiniUSB, MicroUSB.
The master controller of DMB receiving unit is connected with demodulation unit and Versatile Interface Unit with Multiple Channel Analysis, and communicate with them, thereby control channel analysis and demodulation unit are converted into the multimedia data format that can be received by described portable terminal with digital multimedia broadcasting signal, and the control Versatile Interface Unit outputs to portable terminal with the decoded audio, video data of signal decoding unit.
In addition, according to a preferred embodiment of the present utility model, the DMB receiving unit also comprises channel standard selected cell, and it is connected with demodulation unit and described master controller with Multiple Channel Analysis.Master controller is controlled this channel standard selected cell selective channel according to the data and the channel information that receive from Multiple Channel Analysis and demodulation unit, transforms with control channel analysis and the demodulation unit digital multimedia broadcasting signal to selected channel.
In addition, according to another preferred embodiment of the present utility model, the DMB receiving unit also comprises storage and buffer memory unit.Storage is connected with master controller with buffer unit and communicates, and stores the required software that digital multimedia broadcasting signal is converted into the multimedia data format that can be received by described portable terminal and reproduce of master controller in storage and the buffer memory unit.And as shown in Figure 3, this storage is connected with the controller of portable terminal with buffer memory unit and communicates by letter, and the Control Software that the radio and television of wherein also having stored the control portable terminal show, the master controller of DMB receiving unit is according to the terminal display message that obtains from the controller of portable terminal through Versatile Interface Unit, come designation data storage and buffer memory unit and portable terminal to communicate, the demonstration of portable terminal is controlled with radio and television demonstration Control Software wherein.
Whether the DMB receiving unit also can comprise component software installation and measuring unit in addition, and it is connected with master controller and communicates, thereby come detection components software to be installed in the master controller of assembly.If determine that component software is not installed in the master controller, then master controller can use the component software installation data in the component software installation and measuring unit that component software is installed in the master controller.
Fig. 3 shows the block diagram that DMB receiving unit of the present utility model is connected and reproduces with portable terminal.Portable terminal has: display unit such as LCD (LCD), is used to reproduce the video data of digital multimedia broadcasting signal after format conversion; Audio frequency amplifier such as loud speaker, is used for exporting sub-audible sound according to the voice data of digital multimedia broadcasting signal after format conversion; The keyboard input unit is used to make the user to send key input signal.Above-mentioned display unit, audio frequency amplifier, keyboard input unit all are connected to the controller of portable terminal, and slave controller received signal or send signal to controller.
The controller of portable terminal also carries out interface with the Versatile Interface Unit of DMB receiving unit and storage and buffer memory unit and is connected and communicates.The controller of this portable terminal is according to the key input signal from the keyboard input unit, the instruction that will be used for receiving digital multimedia broadcast, selective channel and selection display mode etc. sends to the master controller of DMB receiving unit by Versatile Interface Unit, and according to decoded audio, video data from the Versatile Interface Unit input, show that at radio and television display unit and the audio frequency amplifier of controlling portable terminal reproduce audio, video data under the operation of Control Software.
Like this, even the employed portable terminal of user does not possess reception and reproduces the function of DMB data, by it is disposed according to DMB receiving unit of the present utility model, can realize reproducing the function of DMB data with lower cost, and multi-modulation scheme DMB receiving unit of the present utility model is supported multiple DMB standard and audio/video decoding standard, therefore has higher flexibility.
Claims (5)
1. DMB receiving unit, it carries out separable interface with portable terminal and is connected, and described DMB receiving unit comprises:
The digital multimedia broadcasting signal receiving element, it comprises the parts of receiving digital multimedia broadcast;
Multiple Channel Analysis and demodulation unit, it is connected with described digital multimedia broadcasting signal receiving element, carry out demodulation from described digital multimedia broadcasting signal receiving element receiving digital multimedia broadcast and to digital multimedia broadcasting signal, to be converted into the multimedia data format that can be received by described portable terminal;
Signal decoding unit, it is connected with demodulation unit with described Multiple Channel Analysis, receive the data that have been converted into the multimedia data format that can be received by described portable terminal from described Multiple Channel Analysis and demodulation unit, and the data of the multimedia data format after the described conversion are decoded the audio, video data that can be reproduced by described portable terminal with output;
Versatile Interface Unit, it is connected with described signal decoding unit and carries out interface with described portable terminal and is connected; And
Master controller, it is connected with demodulation unit and described Versatile Interface Unit with described Multiple Channel Analysis, and control described Multiple Channel Analysis and demodulation unit digital multimedia broadcasting signal is converted into the multimedia data format that can be received and reproduce by described portable terminal, and control described Versatile Interface Unit the decoded digital multimedia broadcasting signal of signal decoding unit is outputed to portable terminal.
2. DMB receiving unit according to claim 1 also comprises:
Channel standard selected cell, it is connected with demodulation unit and described master controller with described Multiple Channel Analysis,
Wherein, described master controller is controlled described channel standard selected cell selective channel according to the data and the channel information that receive from described Multiple Channel Analysis and demodulation unit, so that described Multiple Channel Analysis and demodulation unit transform the digital multimedia broadcasting signal of selected channel.
3. DMB receiving unit according to claim 1 also comprises:
Storage and buffer memory unit, it is connected with described master controller and communicates, and stores the required software that digital multimedia broadcasting signal is converted into the multimedia data format that can be received by described portable terminal and reproduce of master controller in described storage and the buffer memory unit; And
Component software installation and measuring unit, it is connected with master controller and communicates, thus whether detection components software is installed in the master controller of assembly.
4. DMB receiving unit according to claim 3, wherein said storage also is connected with described portable terminal with buffer memory unit and communicates, and wherein stores the Control Software of the radio and television demonstration of control portable terminal.
5. DMB receiving unit according to claim 1, wherein said DMB receiving unit are mobile memories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201265014U CN201222743Y (en) | 2008-06-26 | 2008-06-26 | Digital multimedia broadcast receive component for mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201265014U CN201222743Y (en) | 2008-06-26 | 2008-06-26 | Digital multimedia broadcast receive component for mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222743Y true CN201222743Y (en) | 2009-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201265014U Expired - Fee Related CN201222743Y (en) | 2008-06-26 | 2008-06-26 | Digital multimedia broadcast receive component for mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN201222743Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219554A (en) * | 2013-05-30 | 2014-12-17 | 深圳清华大学研究院 | Digital TV receiver and digital TV playing method |
-
2008
- 2008-06-26 CN CNU2008201265014U patent/CN201222743Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219554A (en) * | 2013-05-30 | 2014-12-17 | 深圳清华大学研究院 | Digital TV receiver and digital TV playing method |
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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 |
Granted publication date: 20090415 Termination date: 20170626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |