CN201853491U - Audio and video output device suitable for multimedia hard disk to plug in - Google Patents
Audio and video output device suitable for multimedia hard disk to plug in Download PDFInfo
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- CN201853491U CN201853491U CN2010206170450U CN201020617045U CN201853491U CN 201853491 U CN201853491 U CN 201853491U CN 2010206170450 U CN2010206170450 U CN 2010206170450U CN 201020617045 U CN201020617045 U CN 201020617045U CN 201853491 U CN201853491 U CN 201853491U
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- hard disk
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Abstract
The utility model relates to an audio and video output device suitable for a multimedia hard disk to plug in. The audio and video output device comprises a casing, a circuit board arranged in the casing and a hard disk pluggable slot arranged at the front end of the casing; the circuit board is provided with a hard disk interface connected with a power line and a signal line of the hard disk, a high-definition decoding and main control chip connected with the hard disk interface through a data line, an audio interface connected with the audio signal output port of the high-definition decoding and main control chip, and a video output interface connected with the video signal output port of the high-definition decoding and main control chips. When in use, the hard disk is only required to be plugged in the hard disk pluggable slot on the casing, the power supply is switched on, and the multimedia file in the hard disk can be converted into the multimedia audio and video signals to output. The high-definition decoding and main control chip is mainly used for TS (transport stream) demultiplexing, copyright protection, audio and video decoding, image noise reduction, audio and video digital-analog conversion and other procedures, and outputting the audio and video analog signals and the audio and video digital signals through the audio and video output interfaces.
Description
Technical field
The utility model relates to the device that is converted to audio-video signal output that is suitable for the multimedia file in the hard disk, specifically is a kind of audio frequency and video output unit of the multimedia hard disk that is suitable for pegging graft.
Background technology
In the prior art, hard disk has attracted many users with its memory storage as multimedia document with its cheapness, mass memory.Its weak point is, when the multimedia file in the needs use hard disk, often needs computer is closed, and then this hard disk is connected on the computer main board, just can use.Or adopt a hard-disk cartridge, and hard disk is placed hard-disk cartridge, then hard-disk cartridge is linked to each other with the USB interface of computer, could use the multimedia file in the hard disk.How to provide a kind of peg graft easy, be suitable for easily the multimedia file in the hard disk being converted to multimedia audio-video signal output, and, be the technical matters that this area will solve directly by device play multimedia files such as televisors.
Summary of the invention
Technical problem to be solved in the utility model provide a kind of peg graft easy, be suitable for easily the multimedia file in the hard disk being converted to the output of multimedia audio-video signal be suitable for pegging graft the audio frequency and video output unit of multimedia hard disk.
For solving the problems of the technologies described above, the utility model provides a kind of audio frequency and video output unit of the multimedia hard disk that is suitable for pegging graft, and it comprises: housing, be located at the circuit board in the housing and be located at the hard disk inserting groove of housing front end; Described circuit board is provided with: the hard-disk interface that is used for linking to each other with signal wire with the power lead of hard disk, the high definition decoding that links to each other with this hard-disk interface by data line and main control chip, the audio output interface that links to each other with the audio signal output end of this high definition decoding and main control chip, decode with described high definition and video output interface that the VT of main control chip links to each other.
Further, also be provided with on the described circuit board: USB interface and storer.
Further, described video output interface comprises: analog video output interface, digital video output interface and HD video output interface; Described audio output interface comprises: analogue audio frequency output interface and DAB output interface.
Further, also be provided with the control panel that links to each other with the signal input end of described high definition decoding and main control chip on the described housing.
Further, described USB interface is connected with the Wi-Fi communication module, obtains multimedia file with convenient by wireless network.
Good effect of the present utility model: (1) of the present utility model to be suitable for pegging graft the audio frequency and video output unit of multimedia hard disk when using, only need directly hard disk to be plugged in the hard disk inserting groove on the housing, energized can be converted to the multimedia file in the hard disk output of multimedia audio-video signal.Wherein, high definition decoding and main control chip are used to finish steps such as TS demultiplexing, copyright protection, audio/video decoding, image noise reduction processing, audio frequency and video digital-to-analog conversion, and look digital analog signal by sound, video output interface output audio frequency and video simulating signal and sound.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the peg graft structured flowchart of audio frequency and video output unit of multimedia hard disk of being suitable among the embodiment.
Fig. 2 is the circuit block diagram of above-mentioned audio frequency and video output unit.
Fig. 3 is the circuit theory diagrams of above-mentioned audio frequency and video output unit.
Embodiment
See Fig. 1-3, the peg graft audio frequency and video output unit of multimedia hard disk of being suitable for of present embodiment comprises: housing 1, be located at the circuit board in the housing 1 and be located at the hard disk inserting groove 2 of housing 1 front end; Described circuit board is provided with: the hard-disk interface that is used for linking to each other with signal wire with the power lead of hard disk, the high definition decoding that links to each other with this hard-disk interface by data line and main control chip, the audio output interface that links to each other with the audio signal output end of this high definition decoding and main control chip, decode with described high definition and video output interface that the VT of main control chip links to each other.
The model of described high definition decoding and main control chip is sigma-desing smp8652, and it comprises: CPU, TS demultiplexing unit, copyright protection unit, audio/video decoder, video input block, audio frequency input block, peripheral interface and peripheral interface units, image noise reduction processing unit, video DAC unit, 2D graphics engine and audio digital signal processor.
Described hard disk is the hard disk of SATA interface, and described video output interface comprises: two component vide interface S-video and high definition component interface.Audio output interface comprises: digital audio interface and through the digital-to-analog conversion of audio frequency DAC(audio frequency) after output left and right sound channels L and R.
Also be provided with on the described circuit board: USB interface and storer.Described USB interface is connected with the Wi-Fi communication module, obtains multimedia file with convenient by wireless network.
Described video output interface comprises: analog video output interface, digital video output interface and HD video output interface; Described audio output interface comprises: analogue audio frequency output interface and DAB output interface.
Also be provided with the control panel that links to each other with the signal input end of described high definition decoding and main control chip on the described housing.
The foregoing description only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.
Claims (5)
1. the audio frequency and video output unit of the multimedia hard disk that is suitable for pegging graft is characterized in that comprising: housing, be located at the circuit board in the housing and be located at the hard disk inserting groove of housing front end;
Described circuit board is provided with: the hard-disk interface that is used for linking to each other with signal wire with the power lead of hard disk, the high definition decoding that links to each other with this hard-disk interface by data line and main control chip, the audio output interface that links to each other with the audio signal output end of this high definition decoding and main control chip, decode with described high definition and video output interface that the VT of main control chip links to each other.
2. the audio frequency and video output unit of a kind of multimedia hard disk that is suitable for pegging graft according to claim 1 is characterized in that: also be provided with on the described circuit board: storer and USB interface.
3. the audio frequency and video output unit of a kind of multimedia hard disk that is suitable for pegging graft according to claim 1 and 2, it is characterized in that: described video output interface comprises: analog video output interface, digital video output interface and HD video output interface; Described audio output interface comprises: analogue audio frequency output interface and DAB output interface.
4. the audio frequency and video output unit of a kind of multimedia hard disk that is suitable for pegging graft according to claim 1 is characterized in that: also be provided with the control panel that links to each other with the signal input end of described high definition decoding and main control chip on the described housing.
5. the audio frequency and video output unit of a kind of multimedia hard disk that is suitable for pegging graft according to claim 4, it is characterized in that: described USB interface is connected with the Wi-Fi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206170450U CN201853491U (en) | 2010-11-19 | 2010-11-19 | Audio and video output device suitable for multimedia hard disk to plug in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206170450U CN201853491U (en) | 2010-11-19 | 2010-11-19 | Audio and video output device suitable for multimedia hard disk to plug in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853491U true CN201853491U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206170450U Expired - Fee Related CN201853491U (en) | 2010-11-19 | 2010-11-19 | Audio and video output device suitable for multimedia hard disk to plug in |
Country Status (1)
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| CN (1) | CN201853491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065617A (en) * | 2012-12-30 | 2013-04-24 | 哈尔滨固泰电子有限责任公司 | Vehicle non-contact electronic speaker adopting ultrasonic welding technology |
-
2010
- 2010-11-19 CN CN2010206170450U patent/CN201853491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065617A (en) * | 2012-12-30 | 2013-04-24 | 哈尔滨固泰电子有限责任公司 | Vehicle non-contact electronic speaker adopting ultrasonic welding technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU WUJIN WUXIN ASSETS MANAGEMENT CO., LTD. Free format text: FORMER OWNER: JIANGSU SHINCO DIGITAL TECHNOLOGY CO., LTD.. Effective date: 20120829 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 213159 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120829 Address after: 213159 Hutang, Jiangsu, Wujin District, the town of Yan Zheng Road, No. 28, No. Patentee after: Changzhou Wujin Wu Xin Asset Management Co., Ltd. Address before: Gufang Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province, No. 1 213000 Patentee before: Jiangsu Shinco Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |