CN202261608U - High-capacity hard disk playing and recoding machine - Google Patents
High-capacity hard disk playing and recoding machine Download PDFInfo
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- CN202261608U CN202261608U CN2011202562096U CN201120256209U CN202261608U CN 202261608 U CN202261608 U CN 202261608U CN 2011202562096 U CN2011202562096 U CN 2011202562096U CN 201120256209 U CN201120256209 U CN 201120256209U CN 202261608 U CN202261608 U CN 202261608U
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Abstract
The utility model discloses a high-capacity hard disk playing and recoding machine, which comprises a central processing unit (CPU)/a decoding and video processor, a video filtering and amplifying circuit, an audio filtering and amplifying circuit, a universal serial bus (USB) 2.0 controller circuit, a complex programmable logic device (CPLD) bus control module circuit, a digital compressing and encoding module circuit, a television receiving and converting circuit, an external video interface circuit, an audio option switch circuit and an integrated development environment (IDE) hard disk driver (HDD) control circuit (16). In order to overcome the shortcomings of the conventional video tape recorder and the conventional optical disk recorder, the high-performance and high-capacity hard disk playing and recording machine is provided, which is a digital video disk (DVD) product integrated with a powerful hard disk video recordation (PVR) function and a DVD playing function. The high-capacity hard disk playing and recoding machine, in which a decoder is arranged, is provided with a 40G superhigh-capacity hard disk and has functions of intelligently ordering video recordation, quickly copying videos and the like; furthermore, a user can record television programs or wonderful DVD videos into the DVD hard disk video tape recorder at will.
Description
Technical field
The utility model relates to DVD and broadcasts the record machine, and particularly a kind of high capacity hard disk is broadcast the record machine.
Background technology
The 80s and 90s in 20th century boffo video tape recorder, though how long have more than is needed built-in magnetic head is very accurate,, the magnetic of tape will be with the magnetic head dirt of making dirty, light netrual colour then, heavy then image completely without, unpleasant is endlessly.Because of its employed video recording has easy abrasion, retrieves defectives such as program is too slow, playback editor inconvenience, and be eliminated gradually, the substitute is optical disk recorder.
Because what optical disk recorder adopted is the digital recording system, thereby it can provide and be prone to retrieval and random access capabilities, this be video tape recorder can't accomplish.Optical disk recorder has characteristics such as registration accuracy height, program search is convenient, picture is clear.Compare with video tape; CD has the registration accuracy height, the holding time is long, in light weight, volume is little, cheap, be not subject to series of advantages such as surrounding environment influence; But in use people find that again optical disk recorder has many intrinsic deficiencies, and for example percent reduction can not guarantee 100%, do not have preset recording function, the video recording parameter can't be adjusted, failure free time less than 1000 hours, the capacity of can recording is little and CD can't realize that the limit sees Bian Lu etc.
The Full Name in English of DVD is Digital Video Disk, i.e. digital video disk or digital shadow dish, and it utilizes the compress technique of MPEG2 to store image.Also the someone claims that DVD is Digital Versatile Disk, is the CD of digital multi-purpose, and its collection computer technology, optical record technology and television technology etc. is an one, its objective is and satisfies the demand of people to large storage capacity, high performance medium.
Compare with hard-disc storage, the DVD optical storage has cost advantage more, because its driver and medium (CD) are separated, the cost of medium can be controlled very lowly, and the flexibility on having content access and sharing.But present DVD imprinting is technological, is having difficulties aspect the real time direct imprinting of digital video, so have to by means of " terminal " of hard disk as temporary engraving data, because hard disk has high speed transmission data, random-access characteristic.Therefore, seeking DVD and hard disk becomes more satisfactory storage combination, is the inexorable trend of this technical development at present.
Summary of the invention
The utility model technical problem to be solved is to overcome existing defective in the above-mentioned prior art; Provide a kind of can with the digital hard disk playing and recording camera of the common DVD that uses of television set, it can comprise watches TV programme and DVD playing back, CD, VCD, MP3, and can be with TV programme; External video input program; This machine DVD, MP3 and the typing of JPG file in this machine CD and copying in the hard disk, the definition of the file of recording can reach the identical effect of DVD.
The technical scheme of the utility model is following:
A kind of high capacity hard disk is broadcast the record machine, comprising:
The CPU/ decoding and the video processor that are used for the control of completion system and look Audio Processing, it connects SDRAM memory circuitry, CPLD bus control module circuit, EPROM memory circuit, video filtering amplifying circuit, audio frequency filter amplification circuit, remote control circuit and keyboard circuit respectively;
Be used to accomplish the video filtering amplifying circuit that vision signal output filtering is amplified, it connects CPU/ decoding and video processor and YUV/RGB/CVBS video output interface respectively;
Be used to accomplish the audio frequency filter amplification circuit that audio signal output filtering is amplified, it connects CPU/ decoding and video processor and 2ch/5.1ch audio output interface respectively;
Be used to accomplish the USB2.0 controller circuitry of high speed USB data transmission, its connection ID E hard disk HDD control circuit;
Be used to accomplish the CPLD bus control module circuit of data/control bus conversion and encryption, it connects CPU/ decoding and video processor, IDE hard disk HDD control circuit, digital compression coding module circuit, DVD drive circuit and EPROM memory circuit respectively;
Be used to accomplish the digital compression coding module circuit of digital audio/video coding, it connects SDRAM memory circuitry, CPLD bus control module circuit, television reception change-over circuit, video decode circuit and audio frequency analog-digital converter circuit respectively;
The television reception change-over circuit that is used for the vision signal high frequency conversion, it connects digital compressed encoding modular circuit and television antenna interface circuit respectively;
Be used to accomplish video source and select and the pretreated external video interface circuit of vision signal, it connects video decode circuit and DVD/VCD/ monitoring camera interface circuit respectively;
Be used to accomplish audio signal source and select and pretreated audio selected switch circuit, it connects audio frequency analog-digital converter circuit and audio input interface respectively;
Be used to accomplish the IDE hard disk HDD control circuit of the access scheduling of hard disc information, it connects CPLD bus control module circuit and USB2.0 controller circuitry respectively.
The deficiency of the utility model abandoning tradition video tape recording(VTR) and video disk recording provides a kind of high-performance high capacity hard disk to broadcast the record machine, is that powerful HD recording of a collection (PVR) and DVD playing function are the DVD product of one.The vast capacity hard disk that has 40G, built-in decoder, functions such as intelligent subscription and video recording and audio-visual quick copy.No matter be TV programme or excellent DVD, the user can indiscriminately ad. as one wishes be embodied in this DVD DVR.
The utility model adopts MPEG-II digital audio-video compress technique standard and the short wavelength laser technology of ISO, variable bit rate coding (VBR) record live image and sound accompaniment.With big capacity hard disk as storage medium; Adopt MPEG-II real time codec technology; Audio-video signal from TV, video disc player, video camera, video tape recorder etc. is carried out time shift video recording, regularly video recording, video recording in real time, channel selection video recording etc., can carry out the intellectuality arrangement to recorded program, preserve and replacement.The DVD playing function is backward compatible broadcast VCD, CD Super Video CD, MP3, CD-R/RW.
The concrete advantage and the technique effect of the utility model are following:
The unit multipotency: audio-visual broadcast (compatible DVD/VCD/SVCD/MP3/CD/CD-RW/ DVD-RW/ DVD+RW) numeral is made video recording, and goes into wherein to the greatest extent.
Independently make video recording: built-in tuner, support more than 100 programme channel, independently to make video recording fully, the quality of making video recording reaches the effect of DVD.
Regularly video recording: support single, every day, totally 9 regularly video recordings weekly satisfy multiple needs, perfect pre-recording.
Program duplicates: comprise that the DVD/VCD/S-VCD/CDDA/MP3/JPEG programme content directly duplicates and preserve MP3, the JPEG monofile duplicates and preserves.
Time-shifting: recording playback is carried out simultaneously, the assurance time, keeps excellence here.
Simple operation, operating function shows the indication of VFD fluorescence on the computer screen.
Three kinds of quality modes of making video recording can make (HQ, SP, LP).
Special play-back is put for three grades soon, and speed change is put slowly, play by frame.
4 kinds of different input modes are optional: antenna AV1, AV2 (CVBS) composite video are provided, and S-VIDEO records nearly all TV programme and other player signals, is connected with other audio-visual equipment easily.
The AV output of three kinds of different modes: comprise the CVBS composite video, S-VIDEO, YUV color difference components.
The optional USB function that is built-in with directly can be connected with computer.
Built-in AC-3 decoder, the output of 5.1 passages is supported.
Auto upgrading: function is guaranteed, and innovation is had no limits.
Description of drawings
Fig. 1 is the utility model hardware block diagram.
Each sequence number is expressed as respectively among the figure:
| 10 SDRAM memory circuitries; | 11 USB2.0 controller circuitrys; |
| 12 SDRAM memory circuitries; | 13 YUV/RGB/CVBS video output interfaces; |
| 14 video filtering amplifying circuits; | 15 CPU/ decoding and video processor; |
| 16 IDE hard disk HDD control circuits; | 17 digital compression coding module circuit; |
| 18 television reception change-over circuits; | 19 television antenna interface circuits; |
| 20 2ch/5.1ch audio output interfaces; | 21 audio frequency filter amplification circuit; |
| 22 CPLD bus control module circuit; | 23 video decode circuit; |
| 24 external video interface circuits; | 25 DVD/VCD/ monitoring camera interface circuits; |
| 26 remote control circuits; | 27 keyboard circuits; |
| 28 audio frequency analog-digital converter circuits; | 29 audio selected switch circuit; |
| 30 audio input interfaces; | 31 DVD drive circuits; |
| 32 EPROM memory circuits. | ? |
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done further to describe.
With reference to accompanying drawing, the utility model comprises: the CPU/ decoding and the video processor 15 that are used for the control of completion system and look Audio Processing; Be used to accomplish the video filtering amplifying circuit 14 that vision signal output filtering is amplified; Be used to accomplish the audio frequency filter amplification circuit 21 that audio signal output filtering is amplified; Be used to accomplish the USB2.0 controller circuitry 11 of high speed USB data transmission; Be used to accomplish the CPLD bus control module circuit 22 of data/control bus conversion and encryption; Be used to accomplish the digital compression coding module circuit 17 of digital audio/video coding; The television reception change-over circuit 18 that is used for the vision signal high frequency conversion; Being used to accomplish video source selects and the pretreated external video interface circuit 24 of vision signal; Being used to accomplish audio signal source selects and pretreated audio selected switch circuit 29; Be used to accomplish the IDE hard disk HDD control circuit 16 of the access scheduling of hard disc information.
Described CPU/ decodes and the control signal separately of video processor 15 is imported with data-signal/and go out to hold the control signal and the data-signal that are connected SDRAM memory circuitry 10, CPLD bus control module circuit 22, EPROM memory circuit 32 respectively to export/go into end; The control signal separately of CPU/ decoding and video processor 15 and data-signal output are connected the control signal and the data-signal input of video filtering amplifying circuit 14, audio frequency filter amplification circuit 21 respectively; The control signal separately of CPU/ decoding and video processor 15 and data-signal input are connected the control signal and the data-signal output of remote control circuit 26, keyboard circuit 27 respectively.
The control signal of described video filtering amplifying circuit 14 is connected the control signal and the data-signal input of YUV/RGB/CVBS video output interface 13 with the data-signal output.
Described audio frequency filter amplification circuit 21 control signals are connected the control signal and the data-signal input of 2ch/5.1ch audio output interface 20 with the data-signal output.
The control signal separately and the data-signal of described CPLD bus control module circuit 22 import/go out to hold that end is exported/gone into to the control signal and the data-signal of connection ID E hard disk HDD control circuit 16, digital compression coding module circuit 17, DVD drive circuit 31, EPROM memory circuit 32 respectively.
The utility model also comprises: be used to accomplish the USB2.0 controller circuitry 11 of high speed USB data transmission, and control signal and the data-signal of this USB2.0 controller circuitry 11 import/go out to hold the control signal and the data-signal of connection ID E hard disk HDD control circuit 16 to export/go into to hold.
The control signal separately of described digital compression coding module circuit 17 imports with data-signal/goes out control signal and the data-signal that end is connected SDRAM memory circuitry 12, CPLD bus control module circuit 22 respectively to export/go into end; Control signal and data-signal input are connected the control signal and the data-signal output of television reception change-over circuit 18, video decode circuit 23, audio frequency analog-digital converter circuit 28 respectively separately for they.
The control signal of described television reception change-over circuit 18 is connected the control signal and the data-signal output of television antenna interface (cable TV and satellite receive) circuit 19 with the data-signal input.
The control signal of described external video interface circuit 24 is connected the control signal and the data-signal input of video decode circuit 23 with the data-signal output; Its control signal is connected the control signal and the data-signal output of DVD/VCD/ monitoring camera interface circuit 25 with the data-signal input.
The control signal of described audio selected switch circuit 29 is connected the control signal and the data-signal input of audio frequency analog-digital converter circuit 28 with the data-signal output; Its control signal is connected the control signal and the data-signal output of audio input interface 30 with the data-signal input.
In specific embodiment; The utility model is a core CPU with 32 integrated embedded microprocessors of the high-speed super large of a special use; This built-in chip type has a cover MPEG decoder and a programmable vision processor. use a coding chip in addition; Realize the encoding compression of MPEG2. distribute control with a FPGA management common bus, a large amount of basic functions of system and personalized function are all realized by independently developed software, so system hardware is short and sweet.The hardware of the utility model system is integrated to be optimized very much, and the chip module definite functions is reliable, has given full play to the advantageous feature of all kinds of IC chips.As public, multi-frequency output be provided and improve load capacity etc. with programmable clock with the FPGA management bus.
The utility model also adopts own ease of Use system, and the program journey is succinct reliably, functional module is called flexibly, for the high-speed cruising of systems soft ware is given security.
Claims (10)
1. a high capacity hard disk is broadcast the record machine, it is characterized in that it comprises:
The CPU/ decoding and the video processor (15) that are used for the control of completion system and look Audio Processing, it connects SDRAM memory circuitry (10), CPLD bus control module circuit (22), EPROM memory circuit (32), video filtering amplifying circuit (14), audio frequency filter amplification circuit (21), remote control circuit (26) and keyboard circuit (27) respectively;
Be used to accomplish the video filtering amplifying circuit (14) that vision signal output filtering is amplified, it connects CPU/ decoding and video processor (15) and YUV/RGB/CVBS video output interface (13) respectively;
Be used to accomplish the audio frequency filter amplification circuit (21) that audio signal output filtering is amplified, it connects CPU/ decoding and video processor (15) and 2ch/5.1ch audio output interface (20) respectively;
Be used to accomplish the USB2.0 controller circuitry (11) of high speed USB data transmission, its connection ID E hard disk HDD control circuit (16);
Be used to accomplish the CPLD bus control module circuit (22) of data/control bus conversion and encryption, it connects CPU/ decoding and video processor (15), IDE hard disk HDD control circuit (16), digital compression coding module circuit (17), DVD drive circuit (31) and EPROM memory circuit (32) respectively;
Be used to accomplish the digital compression coding module circuit (17) of digital audio/video coding, it connects SDRAM memory circuitry (12), CPLD bus control module circuit (22), television reception change-over circuit (18), video decode circuit (23) and audio frequency analog-digital converter circuit (28) respectively;
The television reception change-over circuit (18) that is used for the vision signal high frequency conversion, it connects digital compressed encoding modular circuit (17) and television antenna interface circuit (19) respectively;
Be used to accomplish video source and select and the pretreated external video interface circuit of vision signal (24), it connects video decode circuit (23) and DVD/VCD/ monitoring camera interface circuit (25) respectively;
Be used to accomplish audio signal source and select and pretreated audio selected switch circuit (29), it connects audio frequency analog-digital converter circuit (28) and audio input interface (30) respectively;
Be used to accomplish the IDE hard disk HDD control circuit (16) of the access scheduling of hard disc information, it connects CPLD bus control module circuit (22) and USB2.0 controller circuitry (11) respectively.
2. high capacity hard disk according to claim 1 is broadcast the record machine, it is characterized in that: described CPU/ decodes and the control signal separately of video processor (15) is imported with data-signal/and go out to hold the control signal and the data-signal that are connected SDRAM memory circuitry (10), CPLD bus control module circuit (22), EPROM memory circuit (32) respectively to export/go into end; The control signal separately of CPU/ decoding and video processor (15) and data-signal output are connected the control signal and the data-signal input of video filtering amplifying circuit (14), audio frequency filter amplification circuit (21) respectively; The control signal separately of CPU/ decoding and video processor (15) and data-signal input are connected the control signal and the data-signal output of remote control circuit (26), keyboard circuit (27) respectively.
3. high capacity hard disk according to claim 1 and 2 is broadcast the record machine, it is characterized in that: the control signal of described video filtering amplifying circuit (14) is connected the control signal and the data-signal input of YUV/RGB/CVBS video output interface (13) with the data-signal output.
4. high capacity hard disk according to claim 1 and 2 is broadcast the record machine, it is characterized in that: described audio frequency filter amplification circuit (21) control signal is connected the control signal and the data-signal input of 2ch/5.1ch audio output interface (20) with the data-signal output.
5. high capacity hard disk according to claim 1 and 2 is broadcast the record machine, it is characterized in that: end is imported/gone out to the control signal separately and the data-signal of described CPLD bus control module circuit (22), and end is exported/gone into to the control signal and the data-signal of connection ID E hard disk HDD control circuit (16), digital compression coding module circuit (17), DVD drive circuit (31), EPROM memory circuit (32) respectively.
6. high capacity hard disk according to claim 5 is broadcast the record machine; Also comprise: be used to accomplish the USB2.0 controller circuitry (11) of high speed USB data transmission, control signal and the data-signal of this USB2.0 controller circuitry (11) import/go out to hold the control signal and the data-signal of connection ID E hard disk HDD control circuit (16) to export/go into to hold.
7. high capacity hard disk according to claim 1 is broadcast the record machine, it is characterized in that: the control signal separately of described digital compression coding module circuit (17) imports with data-signal/and go out control signal and the data-signal that end is connected SDRAM memory circuitry (12), CPLD bus control module circuit (22) respectively to export/go into to hold; Control signal and data-signal input are connected the control signal and the data-signal output of television reception change-over circuit (18), video decode circuit (23), audio frequency analog-digital converter circuit (28) respectively separately for they.
8. broadcast the record machine according to claim 1 or 7 described high capacity hard disk, it is characterized in that: the control signal of described television reception change-over circuit (18) is connected the control signal and the data-signal output of television antenna interface circuit (19) with the data-signal input.
9. broadcast the record machine according to claim 1 or 7 described high capacity hard disk, it is characterized in that: the control signal of described external video interface circuit (24) is connected the control signal and the data-signal input of video decode circuit (23) with the data-signal output; Its control signal is connected the control signal and the data-signal output of DVD/VCD/ monitoring camera interface circuit (25) with the data-signal input.
10. broadcast the record machine according to claim 1 or 7 described high capacity hard disk, it is characterized in that: the control signal of described audio selected switch circuit (29) is connected the control signal and the data-signal input of audio frequency analog-digital converter circuit (28) with the data-signal output; Its control signal is connected the control signal and the data-signal output of audio input interface (30) with the data-signal input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202562096U CN202261608U (en) | 2011-07-20 | 2011-07-20 | High-capacity hard disk playing and recoding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202562096U CN202261608U (en) | 2011-07-20 | 2011-07-20 | High-capacity hard disk playing and recoding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261608U true CN202261608U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202562096U Expired - Fee Related CN202261608U (en) | 2011-07-20 | 2011-07-20 | High-capacity hard disk playing and recoding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261608U (en) |
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2011
- 2011-07-20 CN CN2011202562096U patent/CN202261608U/en not_active Expired - Fee Related
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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: 20120530 Termination date: 20120720 |