CN201467266U - Digital set top box with recording and playing multimedia function - Google Patents
Digital set top box with recording and playing multimedia function Download PDFInfo
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- CN201467266U CN201467266U CN2009201318340U CN200920131834U CN201467266U CN 201467266 U CN201467266 U CN 201467266U CN 2009201318340 U CN2009201318340 U CN 2009201318340U CN 200920131834 U CN200920131834 U CN 200920131834U CN 201467266 U CN201467266 U CN 201467266U
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Abstract
The utility model discloses a digital set top box with recording and playing multimedia functions, which comprises an outer shell and a circuit board fixed in the outer shell; the circuit board is provided with a TV tuning and demodulating circuit module to tune and demodulate digital TV signals, wherein the output end of the TV tuning and demodulating circuit module is provided with a digital system processor; the digital system processor is connected with a multimedia digital interface to record the digital TV signals into a multimedia digital file and outputs the signals to the multimedia digital interface, and to play the multimedia digital file input from the multimedia digital interface. Because the digital system processor and the multimedia digital interface are added in the digital set top box, the digital set top box realizes the functions of recording digital TV programs and playing the multimedia digital file input from the multimedia digital interface.
Description
Technical field
The utility model relates to the apparatus of digital television receiving field, and in particular, what improvement related to is a kind of top box of digital machine of recording with the play multimedia function that has.
Background technology
In the existing digital television receiver device, the top box of digital machine in for example popularizing is a kind of TV receiving apparatus based on digital program signal, but watches digital television program only.
And along with digital television program channel become increasingly abundant and perfect, increasing user expectation is when watching the charge digital television program by top box of digital machine, the digital television program recording that some can be liked becomes the multimedia digital file, and be saved in the outer storage device that is connected on the top box of digital machine, equally, also can play the multimedia digital file in the outer storage device that is connected on the top box of digital machine.
Therefore, prior art still haves much room for improvement and develops.
The utility model content
The purpose of this utility model is, is to provide a kind of top box of digital machine of recording with the play multimedia function that has, and the digital television program recording of watching can be become the output of multimedia digital file, and is saved in the outer storage device that is connected on the top box of digital machine; Simultaneously, also can play multimedia digital file in the outer storage device that is connected on the top box of digital machine.
The technical solution of the utility model is as follows:
A kind of have a top box of digital machine of recording with the play multimedia function, comprises that a shell and is fixed on the wiring board in this shell, and described wiring board is provided with a visual tuning demodulator circuit module, is used for tuning demodulate digital TV signal; Wherein, output in described visual tuning demodulator circuit module is provided with a digital system processor, described digital system processor connects a multi-media digital interface, be used for described digital television signal is recorded into the multimedia digital file and outputed to described multi-media digital interface, and be used to play the multimedia digital file of importing from described multi-media digital interface.
Described top box of digital machine, wherein, the parallel internal memory that connects of described digital system processor is used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described digital system processor.
Described top box of digital machine wherein, is provided with an input video processor at the output of described digital system processor, is used for composite video broadcast singal video flowing is converted to the video flowing of standard image format; Described input video processor connects a video input interface, is used for the video flowing from described video input interface input is converted to the video flowing of standard image format.
Described top box of digital machine, wherein, output at described input video processor is provided with an image zoom processor, described image zoom processor connects a Video Graphics Array interface, be used for the video flowing of standard image format is converted to the video flowing of three tunnel carrier chrominance signals, and output on the computer monitor of the described Video Graphics Array interface of plugging into.
Described top box of digital machine, wherein, the parallel video memory device that connects of described image zoom processor is used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described image zoom processor.
Described top box of digital machine, wherein, described visual tuning demodulator circuit module comprises a TV tuner and a decoder; Described TV tuner connects an antennal interface, is used for tuning digital television signal from described antennal interface input; Described decoder is positioned at the output of described TV tuner, is used for the described digital television signal of demodulation.
Described top box of digital machine, wherein, described multi-media digital interface is a USB (universal serial bus).
A kind of top box of digital machine of recording with the play multimedia function that has provided by the utility model, owing in top box of digital machine, installed digital system processor and multi-media digital interface additional, realized the function of described top box of digital machine digital television program recording, and also realized playing function from the multimedia digital file of described multi-media digital interface input.
Description of drawings
The external interface schematic diagram that Fig. 1 has for the utility model top box of digital machine;
Fig. 2 is the circuit arrangement schematic diagram of the utility model top box of digital machine inside.
Embodiment
Below with reference to accompanying drawing, device embodiment of the present utility model and embodiment are described in detail.
A kind of top box of digital machine of recording with the play multimedia function that has of the present utility model, main core point is, digital system processor and multi-media digital interface in existing top box of digital machine, have been installed additional, realized recording and exporting digital television program, and play from the function of the multimedia file of multi-media digital interface input; As for USB, VGA, AV, S-VIDEO, RGB, HS ﹠amp; Technology such as VS, TTL, SDRAM, FLASH, EEPROM, TS, MPEG2, CVBS and ITU-656 are well known to those skilled in the art, and do not repeat them here.
A kind of top box of digital machine of recording with the play multimedia function that has of the present utility model, compare with existing top box of digital machine, major different is, the digital television program content of watching can be recorded into the multimedia digital file, and output is saved in the memory device of plugging on multi-media digital interface; Simultaneously, also can play from the multimedia digital file of this multi-media digital interface input.In concrete implementation, can be by a digital system processor that is connected visual tuning demodulator circuit module output, and the multi-media digital interface that is connected this digital system processor is finished.
One of embodiment of the utility model top box of digital machine, shown in attached Fig. 1 and 2, comprise that a shell and is fixed on the wiring board in this shell, can dispose two aspects according to Peripheral Interface kind and internal circuit is elaborated, but on behalf of the utility model top box of digital machine, this only limit to Peripheral Interface kind shown in attached Fig. 1 and 2 and internal circuit configuration, also can carry out suitable increase and decrease and variation according to market prospects and customer requirement.
As shown in Figure 1, as a kind of top box of digital machine of the present utility model, must possess one or more multi-media digital interface 101, generally all can adopt the general serial data bus interface, it is Universal Serial BUS interface, be called for short USB interface, comprise variant such as the public mouth of A type, mini Type B; Also can adopt other data-interfaces such as IEEE1394, its effect one is that the digital television program that the utility model top box of digital machine is recorded can be saved in the external memory device by this multi-media digital interface 101, the 2nd, and the utility model top box of digital machine can be play from the multimedia digital file of this multi-media digital interface 101 inputs.
In addition, as shown in Figure 1, a kind of top box of digital machine of the present utility model also can comprise:
1) the stereo audio output interface 102, can plug into audio amplifier or earphone; Can be used for playing audio stream from the multimedia digital file of described multi-media digital interface 101 inputs;
2) audio input interface 103, the computer audio frequency of can plugging into output, or the audio frequency output of the CD player of plugging into, portable playback equipments such as MP3, MP4;
3) the power supply adaptor interface 104, are used to insert the plug of external power adapter, working power are provided for top box of digital machine of the present utility model;
4) the computer monitor interface 105, and the LCD of can plugging into comprises the VGA display, or LCD display etc., can be used for outputing to this LCD interface and to show from the video flowing of the multimedia digital file of described multi-media digital interface 101 inputs;
5) computer shows input interface 106, and the computer that is used to plug into shows output;
6) the LCD TV video output interface 107, and the video input of the LCD TV of can plugging into is mainly used in and watches digital television program;
7) antennal interface 108, the cable digital TV program source that is used to plug into, and the digital television program signal that need record i.e. antennal interface access from then on;
8) AV video interface 109 and S-video interface 110, the output of AV video and the S-video terminal of the video disc players such as VCD, DVD that are used to plug into, the AV audio frequency and video output of also can be used for plugging into digital camera or Digital Video;
9) the wireless remote control interface 111, are used to receive the remote control command control signal of remote controller.
And top box of digital machine of the present utility model, one of embodiment of its internal circuit module, as shown in Figure 2, described wiring board is provided with a visual tuning demodulator circuit module, is used for tuning and/or demodulate digital TV signal; Described visual tuning demodulator circuit module comprises a TV Tuner TV tuner 201 and a Demodulator decoder 202; Described TV tuner 201 connects described antennal interface 108, is used for tuning digital television signal from described antennal interface 108 inputs; Described decoder 202 is positioned at the output of described TV tuner 201, is used for the described digital television signal of demodulation, and the IF stream that described TV tuner 201 is modulated is demodulated into the TS stream of the MPEG2 form of DVD player.
Output in described visual tuning demodulator circuit module is provided with a Digital System Processor digital system processor 203, described digital system processor 203 connects described multi-media digital interface 101, USB Prot USB (universal serial bus) for example, be used for described digital television signal is recorded into the multimedia digital file and outputed to described multi-media digital interface 101, and be used to play the multimedia digital file of importing from described multi-media digital interface 101.The described digital system processor 203 parallel sdram memory devices 205 that connect are used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described digital system processor 203; And the described digital system processor 203 parallel Flash flash memories 206 that connect, be used to place the firmware of recording and playing, after promptly solidifying, digital television program recording can be become the multimedia digital file, and from the encode program software of multi-media digital interface 101 outputs.
Output at described digital system processor 203 is provided with a Video input Processor input video processor 207, is used for composite video broadcast singal CVBS video flowing is converted to the video flowing of ITU-656 standard image format; Described input video processor 207 can connect described AV video interface 109 and S-video interface 110, is used for converting the video flowing from described AV video interface 109 and 110 inputs of S-video interface the video flowing of standard image format to; Described S-video interface 110 is used to improve the picture quality of input video.
Output at described input video processor 207 is provided with a Scaler Processor image zoom processor 208, NM1680A chip for example, described image zoom processor 208 connects computer monitor interface 105, VGA Video Graphics Array interface for example, be used for the video flowing of ITU-656 standard image format is converted to the video flowing of RGB three tunnel carrier chrominance signals, and output on the computer monitor 209 of the described Video Graphics Array interface of plugging into; If LCD, the synchronous HS﹠amp of the also exportable two-way of described image zoom processor 208; The VS row field signal, and export LCD to by the TTL logic gates.The described image zoom processor 208 parallel SDRAM video memory devices 210 that connect are used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described image zoom processor 208; And the described image zoom processor 208 parallel EEPROM read-only memorys 211 that connect, be used to place the firmware that image zoom is handled, after promptly solidifying, the program software that image processing is required.
In addition, described image zoom processor 208 can be with the Audio Input audio signal of external described audio input interface 103, the Voice Output voice output signal of perhaps described digital system processor 203 outputs converts the L-CH L channel to and R-CH R channel two-way outputs to described stereo audio output interface 102; And described image zoom processor 208 also can be handled the PC computer VGA input video input signals that described computer shows input interface 106 inputs; Described digital system processor 203 then can be to described computer monitor interface 105 output Video Output video output signals.Simultaneously, user's use for convenience, top box of digital machine of the present utility model has disposed the REMOTE remote control circuit module 212 and the Power power circuit module 213 that can use a teleswitch too; Described remote control circuit module 212 is electrically connected described wireless remote control interface 111, and described power circuit module 213 is electrically connected described power supply adaptor interface 104.
In the above preferred embodiment, the technology that recording TV program is set in top box of digital machine and exports from data-interface, and top box of digital machine is play from the technology of the multimedia digital file of data-interface input, can adopt existing various possible schemes according to practical application, be well known to those skilled in the art, also repeat no more at this.
The described a kind of top box of digital machine of recording with the play multimedia function that has of embodiment of the present utility model, owing in top box of digital machine, installed digital system processor and multi-media digital interface additional, realized the function of described top box of digital machine digital television program recording, and also realized playing function from the multimedia digital file of described multi-media digital interface input.
Should be understood that; for those of ordinary skills; can be improved according to the above description or conversion, for example be provided with projecting apparatus the demonstration output interface, etc., and all these improve and conversion all should belong to the protection range of the utility model claims.
Claims (7)
1. one kind has the top box of digital machine of recording with the play multimedia function, comprises that a shell and is fixed on the wiring board in this shell, and described wiring board is provided with a visual tuning demodulator circuit module, is used for tuning demodulate digital TV signal; It is characterized in that, output in described visual tuning demodulator circuit module is provided with a digital system processor, described digital system processor connects a multi-media digital interface, be used for described digital television signal is recorded into the multimedia digital file and outputed to described multi-media digital interface, and be used to play the multimedia digital file of importing from described multi-media digital interface.
2. top box of digital machine according to claim 1, it is characterized in that, the parallel internal memory that connects of described digital system processor is used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described digital system processor.
3. top box of digital machine according to claim 1 is characterized in that, at the output of described digital system processor one input video processor is set, and is used for composite video broadcast singal video flowing is converted to the video flowing of standard image format; Described input video processor connects a video input interface, is used for the video flowing from described video input interface input is converted to the video flowing of standard image format.
4. top box of digital machine according to claim 3, it is characterized in that, output at described input video processor is provided with an image zoom processor, described image zoom processor connects a Video Graphics Array interface, be used for the video flowing of standard image format is converted to the video flowing of three tunnel carrier chrominance signals, and output on the computer monitor of the described Video Graphics Array interface of plugging into.
5. top box of digital machine according to claim 4, it is characterized in that, the parallel video memory device that connects of described image zoom processor is used for recording or play multimedia digital document process increases the memory space that carries out exchanges data with described image zoom processor.
6. top box of digital machine according to claim 1 is characterized in that, described visual tuning demodulator circuit module comprises a TV tuner and a decoder; Described TV tuner connects an antennal interface, is used for tuning digital television signal from described antennal interface input; Described decoder is positioned at the output of described TV tuner, is used for the described digital television signal of demodulation.
7. according to arbitrary described top box of digital machine in the claim 1 to 6, it is characterized in that described multi-media digital interface is a USB (universal serial bus).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318340U CN201467266U (en) | 2009-05-14 | 2009-05-14 | Digital set top box with recording and playing multimedia function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318340U CN201467266U (en) | 2009-05-14 | 2009-05-14 | Digital set top box with recording and playing multimedia function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201467266U true CN201467266U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201318340U Expired - Fee Related CN201467266U (en) | 2009-05-14 | 2009-05-14 | Digital set top box with recording and playing multimedia function |
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| CN (1) | CN201467266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596035A (en) * | 2013-11-04 | 2014-02-19 | 四川九州电子科技股份有限公司 | System and method for recording DVB code stream through digital set top box |
| CN103596035B (en) * | 2013-11-04 | 2016-11-30 | 四川九州电子科技股份有限公司 | A kind of system and method utilizing top box of digital machine to record DVB code stream |
-
2009
- 2009-05-14 CN CN2009201318340U patent/CN201467266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596035A (en) * | 2013-11-04 | 2014-02-19 | 四川九州电子科技股份有限公司 | System and method for recording DVB code stream through digital set top box |
| CN103596035B (en) * | 2013-11-04 | 2016-11-30 | 四川九州电子科技股份有限公司 | A kind of system and method utilizing top box of digital machine to record DVB code stream |
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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: 20100512 Termination date: 20140514 |