CN101488353A - High-definition player - Google Patents
High-definition player Download PDFInfo
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- CN101488353A CN101488353A CNA2008100326528A CN200810032652A CN101488353A CN 101488353 A CN101488353 A CN 101488353A CN A2008100326528 A CNA2008100326528 A CN A2008100326528A CN 200810032652 A CN200810032652 A CN 200810032652A CN 101488353 A CN101488353 A CN 101488353A
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Abstract
The invention relates to an HD player, comprising a video display decoding chip, a digital/analog audio and video output port, a solid state memory unit, a PCI bus interface, a network port, a 1394 bus port, a USB port, a power manage unit, a clock control unit and an output device port. Compared with the prior art, the invention has the following advantages: (1) the price is moderate; (2) the density of integration is high, the product structure is simple, the volume is small and the portability is good; (3) the operation is relatively easy and the operation mode accords with the television operation habits familiar to ordinary customers; (4) corresponding video file formats are numerous and various HD video contents can be played; (5) SD video file contents can also be played.
Description
Technical field
The present invention relates to video player, relate in particular to a kind of high definition player.
Background technology
Because country has formulated the schedule from traditional analog television broadcast integral translation to digital television broadcasting, present stage, panel TV set became the most popular consumption of household appliances, in Beijing, metropolitan chain stores for household appliances sales field such as Shanghai, Guangzhou almost is to be ruled all the land by the high definition panel TV set.Yet at present the high definition program source rareness that provides of TV station is watched traditional SD program with flat panel TV, because the problem of precision, actually watches effect even does not have the effective of traditional C RT televisor.It is to be difficult to realize that the user who has bought HDTV wants to know from experience the visual enjoyment that the high definition technology brings.
In addition, though have on the network film source of a lot of HD videos can be easily, obtain cheaply, the user can only play with screen, the audio amplifier of computer configuration, cannot bring into play the advantage of HD video film source, does not also meet consumer's the custom of watching.
In order to solve such contradiction, successively released products such as high definition DVD player (as blue-ray DVD), DVR in the market, obtain digital high-definition content and storage with DVD as media or by network download, and realize playing.But these equipment are want on market to promote bigger difficulty is arranged all because exist following deficiency: cost an arm and a leg, the price of products such as existing high definition player, DVR, head and shoulders above consumer's ability to bear; Equipment volume is big, and weight is big, is not easy to carry; The high definition DVD player relies on the DVD video disc, and present high definition video disc film source rareness costs an arm and a leg, and is difficult to attract the consumer; Operation is comparatively complicated, and mode of operation does not meet the televisor operating habit that ordinary consumer is familiar with yet; The sheet source format of the HD video that can play is single, can't play the film source of various HD videos.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of high definition player easy to use for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: a kind of high definition player, comprise the video playback decoding chip, digital-to-analog audio frequency and video output port, the solid-state storage unit, pci bus interface, the network port, 1394 bus ports, USB port, Power Management Unit, clock control cell and input equipment port, described video playback decoding chip respectively with digital-to-analog audio frequency and video output port, the solid-state storage unit, pci bus interface, the network port, 1394 bus ports, USB port, Power Management Unit, clock control cell is connected with the input equipment port; It is characterized in that, described video playback decoding chip is a SoC video playback decoding chip, this SoC video playback decoding chip comprises embedded primary processor, digital multimedia data encryption and decryption processor, DDR solid-state storage cell controller, Flash ROM solid-state storage cell controller, hard disk solid-state storage cell controller, network controller, pci bus controller, audio/video decoder, image/layer management device, digital-to-analog video output control terminal mouth, digital-to-analog audio frequency output control terminal mouth and peripheral unit control unit; Described embedded primary processor respectively with digital multimedia data encryption and decryption processor, DDR solid-state storage cell controller, Flash ROM solid-state storage cell controller, hard disk solid-state storage cell controller, network controller, pci bus controller, audio/video decoder, image/layer management device, digital-to-analog video output control terminal mouth, digital-to-analog audio frequency output control terminal mouth are connected with the peripheral unit control unit.
Described solid-state storage unit comprises DDR, Flash ROM and hard disk, and described DDR, FlashROM and hard disk are used for storing digital multimedia file and system file.
Described embedded primary processor is the embedded primary processor of 333MHz.
Described SoC video playback decoding chip carries out the parsing of file layout by the Demux software module to digital multimedia document, by the hardware audio/video decoder digital multimedia document after resolving is play.
Compared with prior art, the present invention has the following advantages:
(1) moderate cost;
(2) integrated level height, product structure is simple, and volume is little, is easy to carry;
(3) operation is comparatively simple, and mode of operation also meets the televisor operating habit that ordinary consumer is familiar with;
(4) file layout of video that can be corresponding is various, and can play various HD video contents;
(5) broadcast that can compatible SD video file content.
Description of drawings
Fig. 1 is the structural representation of a kind of high definition player of the present invention;
Fig. 2 is the structural representation of SoC video playback decoding chip of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and the specific embodiments.
As shown in Figure 1 and Figure 2, a kind of high definition player adopts SoC video playback decoding chip, and this chip comprises the embedded primary processor 1 of 333MHz, digital multimedia data encryption and decryption processor 2, DDR solid-state storage cell controller 3, Flash ROM solid-state storage cell controller 4, hard disk solid-state storage cell controller 5, network controller 6, pci bus controller 7, audio/video decoder 8, image/layer management device 9, digital-to-analog audio frequency and video output control terminal mouth 10 and peripheral unit control unit 11.
Connect multiple solid-state storage unit simultaneously and be used for storing digital multimedia file and other system file.
Audio/video decoder: mainly digital multimedia document is carried out the parsing of file layout, the digital multimedia document after resolving is play by hardware processor by the software programming mode.Can corresponding most Internet video forms, ensured the broadcast of multiple formatted file.By digital video output port (HDMI), can refute and connect various dull and stereotyped Digital Television, transmit when realizing video and audio content, can protect the copyright management function of digital multimedia document simultaneously.In addition, carry out the management and the release of internal memory by the MMU that carries (Memory Manager Unit), this function is play the HD video file of supporting high code stream and is had great importance.
Audio frequency output control terminal mouth: can realize multi-sound channel digital audio output by optical fiber audio output port (SPDIF), make the user can have a taste of enjoyment as the sounds of nature that the pure digi-tal sound signal brings.Also can be by common analogue audio frequency port output simulated dual channel audio.
Peripherals also comprises 1394 bus controllers, USB controller, hard disk solid-state storage unit, video output and interface circuit, audio frequency output and interface circuit and audio frequency and video low-pass filter circuit, DC-DC Power Management Unit.By high speed USB 2.0 interfaces, can be connected with computer equipment or other general USB memory device easily in addition, import and download good various video contents, in the future can also be as carrying out the upgrading of software systems; By HDD hard disk control module, can manage built-in easily and external hard disk, ensure the mutual flexibly of data, can support the access of other solid-state storage units simultaneously.
The high definition decoding chip carries out the reduction of high-quality digital picture and sound by decompression algorithm efficiently, and the form that can support comprises VC-1 at present, H.264, and MPEG-4 and MPEG-2 form.This solution can expand to products such as IPTV set-top box, network player and HDTV future.
Integrate hard disk controller and high definition player by hardware, the portability of this high definition player and ease for use are strengthened greatly, make it to become the trendy product of similar portable hard drive, MP3 and MP4 one class.Use this high definition player to operate, play easily by input equipment (telepilot, mobile keyboard, mouse etc.).
Use this high definition player at first to obtain digital multimedia document or data streaming file by network or local storage unit, (Demux module) carries out the parsing of file layout then digital multimedia document or data streaming file to be sent to the file layout resolver, generates the element flow of voice data and the element flow of video data.Then the element flow of the voice data that generates and the element flow of video data are sent to the decoding of carrying out Voice ﹠ Video in the hardware decoder respectively by dma processor.This high definition player is optimized file layout resolver (Demux module) by software mode, can make the broadcast of most SDs/HD video content on this solution network enabled, the user can not need change the high definition film source by professional software, has improved convenience and image quality greatly.
Claims (4)
1. high definition player, comprise video playback decoding chip, digital-to-analog audio frequency and video output port, solid-state storage unit, pci bus interface, the network port, 1394 bus ports, USB port, Power Management Unit, clock control cell and input equipment port, described video playback decoding chip is connected with digital-to-analog audio frequency and video output port, solid-state storage unit, pci bus interface, the network port, 1394 bus ports, USB port, Power Management Unit, clock control cell and input equipment port respectively; It is characterized in that, described video playback decoding chip is a SoC video playback decoding chip, this SoC video playback decoding chip comprises embedded primary processor, digital multimedia data encryption and decryption processor, DDR solid-state storage cell controller, Flash ROM solid-state storage cell controller, hard disk solid-state storage cell controller, network controller, pci bus controller, audio/video decoder, image/layer management device, digital-to-analog video output control terminal mouth, digital-to-analog audio frequency output control terminal mouth and peripheral unit control unit; Described embedded primary processor respectively with digital multimedia data encryption and decryption processor, DDR solid-state storage cell controller, FlashROM solid-state storage cell controller, hard disk solid-state storage cell controller, network controller, pci bus controller, audio/video decoder, image/layer management device, digital-to-analog video output control terminal mouth, digital-to-analog audio frequency output control terminal mouth are connected with the peripheral unit control unit.
2. a kind of high definition player according to claim 1 is characterized in that, described solid-state storage unit comprises DDR, Flash ROM and hard disk, and described DDR, Flash ROM and hard disk are used for storing digital multimedia file and system file.
3. a kind of high definition player according to claim 1 is characterized in that, described embedded primary processor is the embedded primary processor of 333MHz.
4. a kind of high definition player according to claim 1, it is characterized in that, described SoC video playback decoding chip carries out the parsing of file layout by the Demux software module to digital multimedia document, by the hardware audio/video decoder digital multimedia document after resolving is play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100326528A CN101488353A (en) | 2008-01-15 | 2008-01-15 | High-definition player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100326528A CN101488353A (en) | 2008-01-15 | 2008-01-15 | High-definition player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101488353A true CN101488353A (en) | 2009-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100326528A Pending CN101488353A (en) | 2008-01-15 | 2008-01-15 | High-definition player |
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| Country | Link |
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| CN (1) | CN101488353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209271A (en) * | 2011-05-31 | 2011-10-05 | 无锡商埃曲信息科技有限公司 | Method for making high-definition set top box compatible with standard-definition service |
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2008
- 2008-01-15 CN CNA2008100326528A patent/CN101488353A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209271A (en) * | 2011-05-31 | 2011-10-05 | 无锡商埃曲信息科技有限公司 | Method for making high-definition set top box compatible with standard-definition service |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090722 |