CN1323345C - Data compression/uncompression apparatus and application system thereof - Google Patents
Data compression/uncompression apparatus and application system thereof Download PDFInfo
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- CN1323345C CN1323345C CNB2004100297014A CN200410029701A CN1323345C CN 1323345 C CN1323345 C CN 1323345C CN B2004100297014 A CNB2004100297014 A CN B2004100297014A CN 200410029701 A CN200410029701 A CN 200410029701A CN 1323345 C CN1323345 C CN 1323345C
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Abstract
The present invention relates to a data compression/decompression device and an application system thereof. The data compression/decompression device is connected between a data generation device and a data storage device and is composed of an input buffer, an output buffer, a data compressor/decompressor and a controller, and furthermore, the data compression/decompression device is used for compressing/decompressing data transmitted between the data generation device and the data storage device and managing an address corresponding table of storage addresses transmitted by the data generation device and actual addresses stored in the data storage device. The present invention can achieve the purpose of data compression and storage under the condition that CPU resources and memory space of a computer and relevant software or driving programs are not needed.
Description
Technical field
The present invention relates to a kind of data compression/decompression compression apparatus, particularly relate to a kind of data compression/decompression compression apparatus and application system thereof that need not consume CPU (Central Processing Unit is called for short CPU) resource and memory body (internal memory) space.
Background technology
Along with the prosperity of Information technology, the data in the infosystem (data is data, below all be called data) transmission quantity is also more and more huger, so the data compression stores becomes data processing method commonly used in the computer system.
Seeing also shown in Figure 1ly, is existing known a kind of computer memory system synoptic diagram.Among the figure, computing machine 110 has a data transport interface (interface) 111 that can be connected to hard disk 120, and comes data in the access hard disk 120 via data transport interface 111.Wherein, in order to increase the storage volume of hard disk 120, when computing machine 110 desires deposited data in hard disk 120, the compression/de-compression program 112 in the meeting object computer 110 with after the data compression, stored just be sent in the hard disk 120.And when desire was read data in hard disk 120, the compression/de-compression program 112 in then must appliance computer 110 decompressed to the data of reading, with data reducing.Though this kind practice can be reached the purpose that the data compression stores, but can consume the cpu resource and memory body (internal memory) space of computing machine 110, and need in computing machine 110 operating environments, set up relevant software or driver, and be unfavorable for user's use.
This shows that above-mentioned existing data compression/decompression compression apparatus and application system thereof still have defective, and demand urgently further being improved.In order to solve the problem that data compression/decompression compression apparatus and application system thereof exist, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing data compression/decompression compression apparatus and application system thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of data compression/decompression compression apparatus and application system thereof of new structure, can improve general existing data compression/decompression compression apparatus and application system thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing data compression/decompression compression apparatus and application system thereof exist, and provide a kind of data compression/decompression compression apparatus and application system thereof of new structure, technical matters to be solved is to make it need not consume computer CPU resource and memory body space, and under the software that needn't be correlated with or the situation of driver, reach the purpose that the data compression stores, very convenient in user's use, thus be suitable for practicality more.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.A kind of data compression/decompression compression apparatus according to the present invention proposes is applicable to a data of transmitting between a data generating device and a data storage device is carried out compression/de-compression work that it comprises: an input buffer, in order to this data of buffer storage input; One output buffer is in order to this data of buffer storage output; One data compression/de-compression device couples this output buffer, and in order to this data of compression/de-compression input, and this data storage that will export is in this output buffer; An and controller, couple this input buffer, output buffer and this data compression/de-compression device, transmit in order to the data of controlling between this data generating device, this input buffer, this output buffer and this data storage device, and control the carrying out of compression/de-compression work and manage this data generating device an access address that transmits and an address corresponding tables that is stored in the actual address of this data storage device.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid data compression/decompression compression apparatus, it comprises wherein said controller: a data produces control module, in order to control the data transmission between this data generating device, this input buffer and this output buffer; One data storage control module is in order to control the data transmission between this data storage device, this input buffer and this output buffer; One DAQ device is obtained this data in order to this input buffer certainly, and capture this data answer the compression/de-compression part, be sent to this data compression/de-compression device; And a main control unit, produce control module in order to coordinate this data of control, this data storage control module and this DAQ device, and manage this address corresponding tables.
Aforesaid data compression/decompression compression apparatus, wherein said data generating device be main frame, mobile computer, microprocessor, interface card and router one of them.
Aforesaid data compression/decompression compression apparatus, wherein said data storage device be for hard disk, floppy disk, write type CD-ROM drive, magneto-optical device, digital video register and flash memory one of them.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of data compression/decompression compression apparatus application system that the present invention proposes, it comprises: a data storage device has a data transport interface; One data generating device is in order to via the data in this this data storage device of data transport interface access; An and data compression/decompression compression apparatus, couple this data generating device and this data storage device via this data transport interface, this data of between this data generating device and this data storage device, transmitting in order to compression/de-compression, and manage this data generating device an access address that transmits and an address corresponding tables that is stored in the actual address of this data storage device.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid data compression/decompression compression apparatus application system, wherein said data compression/decompression compression apparatus comprises: an input buffer, in order to this data of buffer storage input; One output buffer is in order to this data of buffer storage output; One data compression/de-compression device couples this output buffer, and in order to this data of compression/de-compression input, and this data storage that will export is in this output buffer; An and controller, couple this input buffer, output buffer and this data compression/de-compression device, transmit in order to the data of controlling between this data generating device, this input buffer, this output buffer and this data storage device, and control the carrying out of compression/de-compression work and manage this address corresponding tables.
Aforesaid data compression/decompression compression apparatus application system, wherein said controller comprises: a data produces control module, in order to control the data transmission between this data generating device, this input buffer and this output buffer; One data storage control module is in order to control the data transmission between this data storage device, this input buffer and this output buffer; One DAQ device is obtained this data in order to this input buffer certainly, and capture this data answer the compression/de-compression part, be sent to this data compression/de-compression device; And a main control unit, produce control module, this data storage control module and this DAQ device in order to coordinate this data of control, and manage this address corresponding tables.
Aforesaid data compression/decompression compression apparatus application system, wherein said data generating device be main frame, mobile computer, microprocessor, interface card and router one of them.
Aforesaid data compression/decompression compression apparatus application system, wherein said data storage device be hard disk, floppy disk, write type CD-ROM drive, magneto-optical device, digital video register and flash memory one of them.
Aforesaid data compression/decompression compression apparatus application system, wherein said data transport interface be IDE, 1394, SCSI, serial ATA, serial attaching SCSI, PCMCIA and USB one of them.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of data compression/decompression compression apparatus and application system thereof, and it is in data compression/de-compression application system, and except data compression/decompression compression apparatus, other includes data generating device and data storage device.Wherein, data storage device has a data transport interface, data generating device is in order to come the data in the access data storage device via the data transport interface, and data compression/decompression compression apparatus couples data generating device and data storage device via the data transport interface, the data of between data generating device and data storage device, transmitting in order to compression/de-compression, and managerial data generation device access address that transmits and the address corresponding tables that is stored in the actual address of data storage device.
Wherein, data compression/decompression compression apparatus comprises: input buffer, output buffer, data compression/de-compression device and controller.Input buffer is the data in order to the buffer storage input, and output buffer is in order to the data of buffer storage output.Data compression/de-compression device couples output buffer, in order to the data of compression/de-compression input, and with the data storage of output in output buffer.Controller then couples input buffer, output buffer and data compression/de-compression device, in order to the transmission of the data between control data generation device, input buffer, output buffer and data storage device, and control the carrying out of compression/de-compression work and manage aforesaid address corresponding tables.
In one embodiment, controller includes: data produces control module, data storage control module, DAQ device and main control unit.Wherein, data produces control module in order to the transmission of the data between control data generation device, input buffer and output buffer, and the data storage control module transmits in order to the data between control data storage device, input buffer and output buffer.The DAQ device is in order to obtaining the data of input from input buffer, and the acquisition data answer the compression/de-compression part, be sent to data compression/de-compression device.Main control unit then produces control module, data storage control module and DAQ device in order to coordinate control data, and manages aforesaid address corresponding tables.
Data generating device wherein can wait one of them for main frame (Host), mobile computer (Notebook), microprocessor (Microprocessor), interface card (Interface Card) or router (Router).Data storage device can be for hard disk (Hard Disk), floppy disk (Floppy Disk), write type CD-ROM drive (CD-RW), magneto-optical device (Magnetic Opticaldrive is called for short MO), digital video register (Digital Video Recorder) reaches or flash memory (Flash Memory Card) waits one of them.The data transport interface then can be IDE (Integrated Device Electronics, be called for short IDE), 1394, SCSI (SmallComputer System Interface, abbreviation SCSI), serial ATA (Serial ATA), serial attaching SCSI (Serial attached SCSI), PCMCIA (Personal ComDuter MemoryCard International Association, be called for short PCMCIA) or USB (Universal SerialBus is called for short USB) wait one of them.
Via as can be known above-mentioned, data compression/decompression compression apparatus of the present invention and application system thereof, be between data generating device and data storage device, connect a data compression/decompression compression apparatus with input buffer, output buffer, data compression/de-compression device and controller, the data of between data generating device and data storage device, transmitting in order to compression/de-compression, and managerial data generation device access address that transmits and the address corresponding tables that is stored in the actual address of data storage device.Therefore, can need not consume computer CPU resource and memory body space, and under the situation of the software that needn't be correlated with or driver, reach the purpose that the data compression stores.
By technique scheme, the present invention has following advantage at least: it for example is between the data transport interface of devices such as computing machine and hard disk that data compression/decompression compression apparatus of the present invention and application system thereof can be connected, to carry out required data compression/de-compression work, and manage its address corresponding tables, so can need not consume computer CPU resource and memory body space, and under the software that needn't be correlated with or the situation of driver, reach the purpose that the data compression stores, very be convenient to user's use.
In sum, the data compression/decompression compression apparatus and the application system thereof of special construction of the present invention can need not consume computer CPU resource and memory body space, and under the situation of the software that needn't be correlated with or driver, reach the purpose that the data compression stores, very convenient in user's use.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and more existing data compression/decompression compression apparatus and application system thereof have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the synoptic diagram that has known a kind of computer memory system now.
Fig. 2 is the block schematic diagram of a kind of data compression/decompression compression apparatus application system of the preferred embodiment according to the present invention.
Fig. 3 is the block schematic diagram that among Fig. 2 data compression/decompression compression apparatus is arranged at data storage device inside.
Fig. 4 is the block schematic diagram that among Fig. 2 data compression/decompression compression apparatus is arranged at data generating device inside.
Fig. 5 is the block schematic diagram of a kind of data compression/decompression compression apparatus of the preferred embodiment according to the present invention.
110: computing machine 111: data (data) transport interface
112: data compression/de-compression program 120: hard disk
200: data compression/de-compression application system 210,410: data generating device
220: data storage device 320: data storage device
230,330,430: data compression/decompression compression apparatus 231: input buffer
232: output buffer 233: data compression/de-compression device
240: controller 241: data produces control module
242: data storage control module 243: the DAQ device
245: main control unit
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to data compression/decompression compression apparatus and its embodiment of application system, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 2ly, is a kind of data compression/decompression compression apparatus application system block schematic diagram of the preferred embodiment according to the present invention.Among the figure, this data compression/de-compression application system 200 comprises data generating device 210, data storage device 220 and data compression/decompression compression apparatus 230.
Wherein, this data generating device 210 for example is that main frame (Host), mobile computer (Notebook), microprocessor (Microprocessor), interface card (Interface Card) or router (Router) wait one of them.And data storage device 220 for example be hard disk (Hard Disk), floppy disk (Floppy Disk), write type CD-ROM drive (CD-RW), magneto-optical device (Magnetic Opticaldrive is called for short MO), digital video register (Digital Video Recorder) and or flash memory (Flash Memory Card) wait one of them
As shown in the figure, data generating device 210 and data storage device 220 are respectively via for example being IDE (Integrated Device Electronics, be called for short IDE), 1394, SCSI (SmallComputer System Interface, be called for short SCSI), serial ATA (Serial ATA), serial attaching SCSI (Serial attached SCSI), PCMCIA (Personal Computer MemoryCard International Association, be called for short PCMCIA) or USB (Universal SerialBus is called for short USB) wait the data transport interface 211 and 221 of one of them to be connected to data compression/decompression compression apparatus 230.
When data generating device 210 desires to come data in the access data storage device 220 via data transport interface 211 and 221, will come the data of compression/de-compression via data compression/decompression compression apparatus 230 in data generating device 210 and 220 transmission of data storage device.Wherein, the data that transmits because of data generating device 210 is compressed, and its occupied space will be little than the cognition of data generating device 210.Therefore, data compression/decompression compression apparatus 230 also needs managerial data generation device 210 access address that transmits and the address corresponding tables that is stored in the actual address of data storage device 220.
In Fig. 2, be indivedual independent device though data generating device 210, data storage device 220 and data compression/decompression compression apparatus 230 all illustrated, should know that the aspect of its actual formation can change yet have the knack of this skill person.For example, it can be arranged at data storage device 320 inside with data compression/decompression compression apparatus 330 as shown in Figure 3, also can data compression/decompression compression apparatus 430 be arranged at the inside of data generating device 410 as shown in Figure 4.
Seeing also shown in Figure 5ly, is a kind of data compression/decompression compression apparatus block schematic diagram of preferred embodiment of the present invention.Among the figure, this data compression/decompression compression apparatus 230, it comprises input buffer 231, output buffer 232, data compression/de-compression device 233 and controller 240.Wherein, this controller 240 comprises that data produces control module 241, data storage control module 242, DAQ device 243 and main control unit 245.
In Fig. 5, solid line partly is a representative data stream, and dotted portion is then represented controlling signal.As shown in the figure, data produces control module 241 can control data generation devices 210, input buffer 231 transmits with the data of 232 of output buffers, for example, will be from the input data buffer storage of data generating device 210 in input buffer 231, or take out buffer storage in the output data of output buffer 232, be sent to data generating device 210.242 of data storage control modules can control data storage device 220, the data transmission of 232 of input buffer 231 and output buffers, for example, the input data buffer storage that will be obtained by data storage device 220 is in input buffer 231, or take out buffer storage in the output data of output buffer 232, be sent to data storage device 220.
In addition, DAQ device 243 can be obtained the data of input from input buffer 231, and the acquisition data answer the compression/de-compression part, for example the storage address that transmitted of data generating device 210 promptly need not compress, and should be separated in advance, and then be sent to data compression/de-compression device 233.233 of data compression/de-compression devices are in order to the data of compression/de-compression from DAQ device 243, and with the data storage of output in output buffer 232.245 of main control units produce control module 241, data storage control module 242 and DAQ device 243 in order to coordinate control data, and manage the access address that transmits by data generating device 210 and be stored in the address corresponding tables of the actual address of data storage device 220, and reach the purpose that the data compression stores.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of data compression/decompression compression apparatus is applicable to a data of transmitting between a data generating device and a data storage device is carried out compression/de-compression work, it is characterized in that it comprises:
One input buffer is in order to this data of buffer storage input;
One output buffer is in order to this data of buffer storage output;
One data compression/de-compression device couples this output buffer, and in order to this data of compression/de-compression input, and this data storage that will export is in this output buffer; And
One controller, couple this input buffer, output buffer and this data compression/de-compression device, transmit in order to the data of controlling between this data generating device, this input buffer, this output buffer and this data storage device, and control the carrying out of compression/de-compression work and manage this data generating device an access address that transmits and an address corresponding tables that is stored in the actual address of this data storage device.
2, data compression/decompression compression apparatus according to claim 1 is characterized in that wherein said controller comprises:
One data produces control module, in order to control the data transmission between this data generating device, this input buffer and this output buffer;
One data storage control module is in order to control the data transmission between this data storage device, this input buffer and this output buffer;
One DAQ device is obtained this data in order to this input buffer certainly, and capture this data answer the compression/de-compression part, be sent to this data compression/de-compression device; And
One main control unit produces control module, this data storage control module and this DAQ device in order to coordinate this data of control, and this address corresponding tables of management.
3, data compression/decompression compression apparatus according to claim 1, it is characterized in that wherein said data generating device be main frame, mobile computer, microprocessor, interface card and router one of them.
4, data compression/decompression compression apparatus according to claim 1, it is characterized in that wherein said data storage device be hard disk, floppy disk, write type CD-ROM drive, magneto-optical device, digital video register and flash memory one of them.
5, a kind of data compression/decompression compression apparatus application system is characterized in that it comprises:
One data storage device has a data transport interface;
One data generating device is in order to via the data in this this data storage device of data transport interface access; And
One data compression/decompression compression apparatus, couple this data generating device and this data storage device via this data transport interface, this data of between this data generating device and this data storage device, transmitting in order to compression/de-compression, and manage this data generating device an access address that transmits and an address corresponding tables that is stored in the actual address of this data storage device.
6, data compression/decompression compression apparatus application system according to claim 5 is characterized in that wherein said data compression/decompression compression apparatus comprises:
One input buffer is in order to this data of buffer storage input;
One output buffer is in order to this data of buffer storage output;
One data compression/de-compression device couples this output buffer, and in order to this data of compression/de-compression input, and this data storage that will export is in this output buffer; And
One controller, couple this input buffer, output buffer and this data compression/de-compression device, transmit in order to the data of controlling between this data generating device, this input buffer, this output buffer and this data storage device, and control the carrying out of compression/de-compression work and manage this address corresponding tables.
7, data compression/decompression compression apparatus application system according to claim 6 is characterized in that wherein said controller comprises:
One data produces control module, in order to control the data transmission between this data generating device, this input buffer and this output buffer;
One data storage control module is in order to control the data transmission between this data storage device, this input buffer and this output buffer;
One DAQ device is obtained this data in order to this input buffer certainly, and capture this data answer the compression/de-compression part, be sent to this data compression/de-compression device; And
One main control unit produces control module, this data storage control module and this DAQ device in order to coordinate this data of control, and this address corresponding tables of management.
8, data compression/decompression compression apparatus application system according to claim 5, it is characterized in that wherein said data generating device be main frame, mobile computer, microprocessor, interface card and router one of them.
9, data compression/decompression compression apparatus application system according to claim 5, it is characterized in that wherein said data storage device be hard disk, floppy disk, write type CD-ROM drive, magneto-optical device, digital video register and flash memory one of them.
10, data compression/decompression compression apparatus application system according to claim 5, it is characterized in that wherein said data transport interface be IDE, 1394, SCSI, serial ATA, serial attaching SCSI, PCMCIA and USB one of them.
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| CNB2004100297014A CN1323345C (en) | 2004-03-22 | 2004-03-22 | Data compression/uncompression apparatus and application system thereof |
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| CNB2004100297014A CN1323345C (en) | 2004-03-22 | 2004-03-22 | Data compression/uncompression apparatus and application system thereof |
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| CN1323345C true CN1323345C (en) | 2007-06-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5343560A (en) * | 1986-06-27 | 1994-08-30 | Hitachi, Ltd. | Image data display system |
| US5673206A (en) * | 1993-12-29 | 1997-09-30 | International Business Machines Corporation | Real-time digital audio compression/decompression system |
| JP2001022553A (en) * | 1999-07-07 | 2001-01-26 | Nec Corp | Frame buffer device provided with digital image input- output and image display device |
| US20020103918A1 (en) * | 2000-12-06 | 2002-08-01 | Miller Daniel J. | Methods and systems for efficiently processing compressed and uncompressed media content |
-
2004
- 2004-03-22 CN CNB2004100297014A patent/CN1323345C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343560A (en) * | 1986-06-27 | 1994-08-30 | Hitachi, Ltd. | Image data display system |
| US5673206A (en) * | 1993-12-29 | 1997-09-30 | International Business Machines Corporation | Real-time digital audio compression/decompression system |
| JP2001022553A (en) * | 1999-07-07 | 2001-01-26 | Nec Corp | Frame buffer device provided with digital image input- output and image display device |
| US20020103918A1 (en) * | 2000-12-06 | 2002-08-01 | Miller Daniel J. | Methods and systems for efficiently processing compressed and uncompressed media content |
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| CN1673949A (en) | 2005-09-28 |
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