CN202406241U - Digit media player - Google Patents
Digit media player Download PDFInfo
- Publication number
- CN202406241U CN202406241U CN2011203934537U CN201120393453U CN202406241U CN 202406241 U CN202406241 U CN 202406241U CN 2011203934537 U CN2011203934537 U CN 2011203934537U CN 201120393453 U CN201120393453 U CN 201120393453U CN 202406241 U CN202406241 U CN 202406241U
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- processor
- media player
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- digital media
- signal
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Abstract
The utility model provides a digit media player, possessing a processor, an input interface unit in connection with the processor and for receiving signals from various signal sources, an erasable memory in connection with the processor and for storing signals received from the input interface unit, a decoder in connection with the processor and the erasable memory and for decoding signals read from the erasable memory in dependence on instructions of the processor, a control receiving circuit in connection with the processor and for receiving external control signals and an output interface unit in connection with the decoder and for outputting decoded signals to the external part. The digit media player not only can be in connection with a plurality of input devices through a plurality of input interfaces, but also can store received source signals in a built-in memory to make the digit media player play stored contents when the digit media player is disconnected with the network.
Description
Technical field
The utility model relates to a kind of digital media player, and particularly a kind of have multiple input, output interface type, and has the digital media player of internal memory.
Background technology
Digital video switching box (Set Top Box is called for short STB), box on so-called STB or the machine is an equipment that connects television set and outside source.It can change into television content with compressed digital signal, and on television set, shows.The image that the content that STB receives can provide except simulated television, the sound, more be to receive data content, comprise electronic program guides, internet webpage, captions or the like.Make the user on existing television set, watch digital television program, and can carry out interactive digital amusement, education and commercialization activity through network.
The basic function of top box of digital machine is the receiving digital television broadcast program, has all broadcasting and interactive multimedia application functions simultaneously, for example:
(1) electronic program guides (EPG).An easy use, friendly interface are provided, can fast access want to see a kind of mode of program that to the user user can see on one or more channels even all channels in the recent period with the TV programme of playing through this function;
(2) high-speed datacasting.Various message such as quotations on the stock market, ticket information, electronic newspaper, Top Site can be provided to the user;
(3) on-line software updating.On-line software updating can be regarded one of application of data broadcasting as.Broadcast data server broadcasts upgrade software get off by the DVB data broadcast standard, and STB can be discerned the version number of this software, does not receive this software simultaneously at version, and the software that is kept in the memory is upgraded;
(4) internet inserts and Email.Top box of digital machine can be realized the internet access function easily through built-in cable modem.The user can be through the built-in browser online of STB, send Email.STB also can provide various interface to link to each other with PC simultaneously, is connected with the internet with PC;
(5) Conditional Access.The core of Conditional Access is scrambling and encryption, and top box of digital machine should have descrambling and decipher function.Up to the present, developed multiple value-added service around digital video, digital information and the interactive application three big Core Features of top box of digital machine.
As shown in Figure 1; STB (digital media player) for prior art; It mainly is made up of the NIU that is connected in series 43, MODEM 42, processor 41 and video/audio decoder 44; NIU 43 is connected with cable TV network, is input to the for example display 45 of television set by video/audio decoder 44 decoded video stream and audio stream.
There is following problem in existing top box of digital machine:
(a) input of STB can only be connected with cable TV network, and the media formats that can receive is single, can not play the picture, film or the music that are stored in computer or the server;
(b) break off when being connected when STB and cable of cable TV, just can not receive video and audio signal source again, also just can't play any information.
The utility model content
In order to solve the aforementioned problems in the prior, the purpose of the utility model provides a kind of digital media player, and it has multiple input, output interface type, and has internal memory.
In order to achieve the above object, the digital media player according to the first aspect of the utility model has: processor; Input interface unit is connected to said processor, and receives the signal from various signal sources; Scratch pad memory is connected to said processor, and stores the signal that receives from said input interface unit; Decoder is connected to said processor and said scratch pad memory, and according to the instruction of said processor, the signal that decoding is read from said scratch pad memory; The control receiving circuit is connected to said processor, and receives external control signal; And the output interface unit, be connected to said decoder, and decoded signal is outputed to the outside.
In digital media player according to the second aspect of the utility model, comprise card reader interface, WLAN interface, LAN interface, USB interface and wired network interface in the said input interface unit, be used for linking to each other with multiple input equipment; Said output interface unit comprises analog audio interface, digital audio interface, Y/C light tone separation interface, YPbPr component output interface, CVBS interface and DVI interface.
Utilize the digital media player of the utility model; Not only can be connected to multiple input equipment through multiple input interface; Be connected to multiple output equipment through multiple output interface; And can the source signal that receive be stored in the built-in memory, make after digital media player and network disconnection, still can play the content of storage.
Description of drawings
Fig. 1 is the block diagram of the structure of STB (digital media player) that prior art is shown;
Fig. 2 is the block diagram of system configuration that the digital media player of the utility model is shown;
Fig. 3 is the figure of an instance of input interface unit that the digital media player of the utility model is shown; And
Fig. 4 is the figure of an instance of output interface unit that the digital media player of the utility model is shown.
Embodiment
Below, will be elaborated to the utility model with reference to accompanying drawing.
Fig. 2 is the block diagram of system configuration that the digital media player of the utility model is shown.As shown in Figure 2, digital media player comprises processor 1, is used to carry out variously control; Input interface unit 3 is connected to said processor 1, is used to receive the signal from various signal sources; Scratch pad memory 2 is connected to said processor 1, is used to store the signal that receives from said input interface unit 3; Decoder 4 is connected to said processor 1 and said scratch pad memory 2, is used to the signal of decoding and reading from said scratch pad memory 2; Control receiving circuit 5 is connected to said processor 1, is used to receive external control signal; And output interface unit 6, be connected to said decoder 4, be used for decoded signal is outputed to the outside.
Above-mentioned control receiving circuit 5 for example is the remote controller receiving circuit, is used to receive the control command that the user sends through remote controller.Perhaps, for the ease of the user digital media player of the utility model is controlled, this control receiving circuit 5 also can be the control panel circuit, through control button wherein, can realize main controlled function easily.
Above-mentioned decoder 4 can be mpeg decoder (for example EM8550/EM8551, Sigma Designs), can decode to the digital signals of receiving such as MPEG-1, MPEG-2 or MPEG-4.Simultaneously, this decoder 4 can be integrated with the TV encoder, in order to decoded digital video signal processing to be output again behind the analog video signal.Thus it is clear that, the Voice & Video signal of these decoder 4 exportable respective digital and simulation.
Above-mentioned processor 1 can be universal cpu, programmable logic device or the like.Under the control of processor 1, the signal (for example video frequency program) that receives from input interface unit 3 does not directly offer decoder 4, but is stored in earlier in the scratch pad memory 2.Have only when processor 1 send read and decoded instruction after, decoder 4 just reads the video frequency program of being stored from scratch pad memory 2, and it is carried out decode operation.
This scratch pad memory 2 can be FLASH, EEPROM or hard disk of using always or the like.
As shown in Figure 3, comprise (integrated) multiple input interface in the input interface unit 3 of the digital media player of the utility model, be used for linking to each other with multiple input equipment.For example, this input interface unit 3 can comprise card reader interface 31, WLAN interface 32 (for example IEEE802.11b or IEEE802.11g), LAN interface 33, USB interface 34 and wired network interface 35.
For example; Card reader interface 31 can be used for reading the signal that is stored in the external memory device (CF card, SD card, SM card, mmc card or SONY memory stick), and USB interface 34 can be the USB2.0 general-purpose interface, is connected with external personal computer; And WLAN (WLAN) interface 32 can directly be connected with PC; Also can be connected with other PC or server, perhaps with Internet connection, to receive required DAB and vision signal through HUB.
Fig. 4 illustrates the instance of output interface unit 6 of the digital media player of the utility model.As shown in Figure 4, this output interface unit 6 comprises six kinds of audio/video output interfaces:
(1) analog audio interface 61, and it is 2 channel stereo output interfaces;
(2) digital audio interface 62, and it is optical fiber output interface or coaxial output interface;
(3) Y/C light tone separation interface 63, the analog video signal that exportable light tone is separated can be connected to the S terminal of television set;
(4) YPbPr component output interface 64;
(5) the CVBS interface 65, are used to export composite video signal, are applicable to the common simulation television set; And
(6) the DVI interface 66, and directly the output digital video signal can be directly connected to DTV or other digital video display device.
Utilize the digital media player of the utility model, not only can be connected to multiple input equipment, be connected to multiple output equipment, and can the source signal that receive be stored in the built-in scratch pad memory through multiple output interface through multiple input interface.Like this,, still can play the content of storage, greatly facilitate user's use, satisfy the demand of mobile entertainment even this digital media player and network break off.
It will be understood by those skilled in the art that above-mentioned explanation and instance only are exemplary, and be not the scope that is used for the thread-bound edition utility model.Under the degree of the scope that does not exceed the utility model that limits like claims, can carry out various improvement to the utility model.
Claims (7)
1. digital media player is characterized in that having:
Processor;
Input interface unit is connected to said processor, and receives the signal from various signal sources;
Scratch pad memory is connected to said processor, and stores the signal that receives from said input interface unit;
Decoder is connected to said processor and said scratch pad memory, and according to the instruction of said processor, the signal that decoding is read from said scratch pad memory;
The control receiving circuit is connected to said processor, and receives external control signal; And
The output interface unit is connected to said decoder, and decoded signal is outputed to the outside.
2. digital media player as claimed in claim 1 is characterized in that, comprises card reader interface, WLAN interface, LAN interface, USB interface and wired network interface in the said input interface unit, is used for linking to each other with multiple input equipment.
3. digital media player as claimed in claim 1 is characterized in that, said output interface unit comprises analog audio interface, digital audio interface, Y/C light tone separation interface, YPbPr component output interface, CVBS interface and DVI interface.
4. like any one described digital media player of claim 1 to 3, it is characterized in that said control receiving circuit is remote controller receiving circuit or control panel circuit.
5. like any one described digital media player of claim 1 to 3, it is characterized in that said decoder is a mpeg decoder, and be integrated with the TV encoder.
6. like any one described digital media player of claim 1 to 3, it is characterized in that said processor is universal cpu or programmable logic device.
7. like any one described digital media player of claim 1 to 3, it is characterized in that said scratch pad memory is FLASH, EEPROM or hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203934537U CN202406241U (en) | 2011-10-17 | 2011-10-17 | Digit media player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203934537U CN202406241U (en) | 2011-10-17 | 2011-10-17 | Digit media player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202406241U true CN202406241U (en) | 2012-08-29 |
Family
ID=46703855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203934537U Expired - Fee Related CN202406241U (en) | 2011-10-17 | 2011-10-17 | Digit media player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202406241U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546801A (en) * | 2013-10-24 | 2014-01-29 | 深圳创维－Rgb电子有限公司 | Method, device and system for video conversion control |
| CN112910490A (en) * | 2021-03-08 | 2021-06-04 | 中国人民解放军军事科学院战争研究院 | Multifunctional transmitter and data transmission method |
-
2011
- 2011-10-17 CN CN2011203934537U patent/CN202406241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546801A (en) * | 2013-10-24 | 2014-01-29 | 深圳创维－Rgb电子有限公司 | Method, device and system for video conversion control |
| CN112910490A (en) * | 2021-03-08 | 2021-06-04 | 中国人民解放军军事科学院战争研究院 | Multifunctional transmitter and data transmission method |
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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: 20120829 Termination date: 20131017 |