CN1902688A - Optical recording medium, apparatus for recording/reproducing data on/from optical recording medium, and method of recording/reproducing data on/from optical recording medium - Google Patents

Optical recording medium, apparatus for recording/reproducing data on/from optical recording medium, and method of recording/reproducing data on/from optical recording medium Download PDF

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Publication number
CN1902688A
CN1902688A CNA2004800399406A CN200480039940A CN1902688A CN 1902688 A CN1902688 A CN 1902688A CN A2004800399406 A CNA2004800399406 A CN A2004800399406A CN 200480039940 A CN200480039940 A CN 200480039940A CN 1902688 A CN1902688 A CN 1902688A
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China
Prior art keywords
district
information
dds
rmd
data
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Granted
Application number
CNA2004800399406A
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Chinese (zh)
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CN100405473C (en
Inventor
黄盛熙
高祯完
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1902688A publication Critical patent/CN1902688A/en
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Publication of CN100405473C publication Critical patent/CN100405473C/en
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

An information recording medium, an apparatus recording/reproducing data on/from the information recording medium, a method of recording/reproducing data on/from the information recording medium, and a computer-recordable recording medium storing a program executing the method of recording/reproducing data from the information recording medium. A lead-in area, a data area, and a lead-out area are arranged on the information recording medium. The lead-in area or the lead-out area includes a disc definition structure (DDS)/recording management data (RMD) zone for recording information on defect management and recording management. In the DDS/RMD zone a DDS used for defect management and a RMD are written. The data area includes a spare area (SA)/defect list (DL) zone for recording replacement data that replaces defective data on the information recording medium and information on defects that have occurred on the information recording medium. A DDS/RMD block includes data area allocation information and initialization information used for managing the information recording medium and is recorded in a first recordable portion of the DDS/RMD zone. The data area allocation information includes location information of a DDS/RMD zone arranged in the data area and location information of the SA/DL zone. Accordingly, it is possible to efficiently manage the storage capacity of a disc by effectively performing defect management on the disc.

Description

Optical record medium, be used at optical record medium record data/the reproduce Apparatus and method for of data from optical record medium
Technical field
The application require respectively on January 5th, 2004 and on March 16th, 2004 in the 2004-369 of Korea S Department of Intellectual Property submission and the interests of 2004-17662 korean patent application, these applications are disclosed in this for reference.
The present invention relates to a kind of dish, more particularly, relate to a kind of information recording carrier, be used for this information recording carrier identifying recording layer/from this information storage medium reproduce data equipment, be used at this information recording carrier identifying recording layer/carry out at described information recording carrier identifying recording layer/from the computer readable recording medium storing program for performing of the program of described information storage medium method of reproducing data from this information storage medium method of reproducing data and storage.
Background technology
Defect management is a kind of like this processing, and it compensates the data degradation that is caused by defect block by the new part that the user data in the defective in the user data area that will be recorded in dish (being defect block) writes user data area again.Usually, use linear replacement method or slippage replacement method to carry out defect management.In linearity replacement method, the user data area defect part is replaced by the non-defect part of spare area.In slippage replacement method, the part of defective is crossed in slippage, and uses the part of next non-defective.
In linearity replacement method, the piece that the user data area of defective takes place is known as defect block.The spare area is set at the presumptive area of dish, and it comprises a plurality of such pieces, and these pieces are used as the replace block of replacing defect block.When the manufacturing dish, according to making specification, on dish, arrange Lead-In Area, mesozone and leading-out zone, yet, determine the distribution of spare area on dish when before using, dish being carried out initialization.
Technical matters
Specifically, on Write-once disc, data can not rewrite or write too much.Because this characteristic of Write-once disc need effectively be managed the memory capacity of Write-once disc.In addition, also need management information is recorded in somewhere on the Write-once disc, so that management information can easily be found.
Technical solution
According to an aspect of the present invention, a kind of information recording carrier is provided, is used for data are recorded in this information recording carrier/reproduce the equipment of data and data are recorded in this information recording carrier/be used to carry out from this information recording carrier method of reproducing data and storage computer readable recording medium storing program for performing of the program of this method from this information recording carrier, described equipment and method can help the memory capacity of optical record medium is effectively managed by carrying out defect management effectively, and can help to seek fast management information.
Useful effect
According to the present invention, can come the memory capacity of effective management dish by the defective on effective management dish.
Description of drawings
Fig. 1 is recorded in data on the optical record medium/reproduces from optical record medium the block diagram of the equipment of data according to the embodiment of the invention;
Fig. 2 is the diagrammatic sketch that illustrates according to the structure of the single record layer disc of the embodiment of the invention;
Fig. 3 illustrates the diagrammatic sketch of the structure of single record layer disc according to another embodiment of the present invention;
Fig. 4 is the diagrammatic sketch that the structure in spare area/defect list (SA/DL) district according to the embodiment of the invention is shown;
Fig. 5 is the diagrammatic sketch of structure that the DL#i of Fig. 4 is shown;
Fig. 6 is the diagrammatic sketch of structure that Fig. 5 " about the information of defective #i " is shown;
Fig. 7 illustrates will be recorded in the diagrammatic sketch of the method in the SA/DL district about the defect management information of the defective that occurs in the user area according to the embodiment of the invention;
Fig. 8 is the diagrammatic sketch that the structure of distinguishing according to the dish definition structure/record management data (DDS/RMD) of the embodiment of the invention is shown;
Fig. 9 A is the diagrammatic sketch that the structure of dish is shown according to another embodiment of the present invention, wherein, the SA/DL district is arranged in the data field dish being carried out the initialized stage;
Fig. 9 B is the diagrammatic sketch of structure that the example of dish is shown according to another embodiment of the present invention, wherein, SA/DL district and DDS/RMD district is arranged in the data field dish being carried out the initialized stage;
Fig. 9 C is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown;
Fig. 9 D is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown;
Fig. 9 E is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown;
Fig. 9 F is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown;
Figure 10 A is the diagrammatic sketch that illustrates according to the structure of the DDS/RMD#0 of the embodiment of the invention;
Figure 10 B is the diagrammatic sketch that illustrates according to the structure of the DL#0 of the embodiment of the invention;
Figure 11 A illustrates the diagrammatic sketch of the structure of DDS/RMD#0 according to another embodiment of the present invention;
Figure 11 B illustrates the diagrammatic sketch of the structure of DL#0 according to another embodiment of the present invention;
Figure 12 carries out the process flow diagram of initialized method according to the embodiment of the invention to CD;
Figure 13 is according to data being recorded on the CD of the embodiment of the invention/from the process flow diagram of the method for optical disc replay data.
Best mode
According to a further aspect in the invention, provide a kind of information recording carrier, Lead-In Area, data field and leading-out zone are arranged thereon.Here, Lead-In Area or leading-out zone comprise dish definition structure (DDS)/record management data (RMD) district that is used to write down about the information of defect management and record management, and the DDS and the RMD that are used for defect management are written into the DDS/RMD district.The data field comprises spare area (SA)/defect list (DL) district and DDS/RMD piece, described SA/DL district be used to write down the defective data on the replacement information recording medium replacement data and with information recording carrier on the relevant defect information of defective that occurs, described DDS/RMD piece comprises that the data field that is used for the management information recording medium distributes information and initialization information.But described DDS/RMD piece is recorded in first recording section in DDS/RMD district, the positional information that described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and be arranged in the SA/DL district in the data field.
According to an aspect of the present invention, the defect list (DL) comprise initial imperfection information is set, the defect information of described initial imperfection information number is set to " 0 ", but this DL can be recorded in first recording section in SA/DL district.
According to an aspect of the present invention, when information recording carrier was carried out initialization, the DDS/RMD district can be disposed in the data field.
According to an aspect of the present invention, the positional information that is arranged in the DDS/RMD district in the data field can be fixed.
According to an aspect of the present invention, the DDS/RMD district can be close to the SA/DL district and be arranged in the data field, or is disposed in the latter end of data field.
According to an aspect of the present invention, if the DDS/RMD district is disposed in the latter end of data field, then can be in the new SA/DL district of this DDS/RMD district arranged in front in the data field.
According to a further aspect in the invention, provide a kind of data are recorded on the information recording carrier/reproduce the equipment of data, on described information recording carrier, be furnished with Lead-In Area, user data area and leading-out zone from information recording carrier.Described equipment comprises: write/read unit is used for writing on data on the information recording carrier or from the information recording carrier reading of data; And control module, be used to control write/read unit, so that will being used for the DDS of defect management and record management, write/read unit writes in the DDS/RMD district that is arranged in Lead-In Area or leading-out zone, the replacement data of the defective data on the replacement information recording medium and the defect information relevant with the defective that occurs on the information recording carrier are write in the SA/DL district that is arranged in the data field, but and the DDS/RMD piece is write in first recording section in DDS/RMD district.Described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
According to an aspect of the present invention, but the DL that described control module may command write/read unit will comprise initial imperfection information write in first recording section in SA/DL district, the defective information of described initial imperfection information is set to " 0 ".
According to an aspect of the present invention, when information recording carrier was carried out initialization, control module can be arranged in the DDS/RMD district in the data field.
According to an aspect of the present invention, control module can make the positional information in the DDS/RMD district that is arranged in the data field fix.
According to an aspect of the present invention, control module can be close to the DDS/RMD district in the SA/DL district and be arranged in the data field, perhaps the DDS/RMD district is arranged in the latter end of data field.
According to an aspect of the present invention, if the DDS/RMD district is disposed in the latter end of data field, then control module can be in the new SA/DL district of this DDS/RMD district arranged in front in the data field.
According to a further aspect in the invention, provide a kind of data are recorded in method on the information recording carrier, on this information recording carrier, be furnished with Lead-In Area, user data area and leading-out zone.Described method comprises: the DDS that will be used for defect management and record management writes in the DDS/RMD district that is arranged in Lead-In Area or leading-out zone; The replacement data of the defective data on the replacement information recording medium and the information relevant with the defective that occurs on the information recording carrier are write in the SA/DL district that is arranged in the data field; But the DDS/RMD piece is write in first recording section in DDS/RMD district, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
According to an aspect of the present invention, this method also can comprise: but the DL that will comprise initial imperfection information write in first recording section in SA/DL district, the defect information of described initial imperfection information number is set to " 0 ".
According to an aspect of the present invention, this method also can comprise: when information recording carrier is carried out initialization, arrange the DDS/RMD district in the data field.
According to an aspect of the present invention, this method also can comprise: the positional information in the DDS/RMD district that is arranged in the data field is fixed.
According to an aspect of the present invention, this method also can comprise: the DDS/RMD district is close to the SA/DL district is arranged in the data field, perhaps the DDS/RMD district is arranged in the latter end of data field.
According to an aspect of the present invention, this method also can comprise: if the DDS/RMD district is disposed in the latter end of data field, then in the data field in the new SA/DL district of DDS/RMD district arranged in front.
According to a further aspect in the invention, provide a kind of, on this information recording carrier, be furnished with Lead-In Area, data field and leading-out zone from the information recording carrier method of reproducing data.Described method comprises: read DDS that is used for defect management and the RMD that is used for record management in the DDS/RMD district from be arranged in Lead-In Area or leading-out zone; Read replacement data of replacing the defective data on the information recording carrier that defective occurs and the relevant information of defective that occurs with information recording carrier in the SA/DL district from be arranged in the data field; But from first recording section in DDS/RMD district, read the DDS/RMD piece, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
This method also can comprise: but from first recording section in SA/DL district, read the DL that comprises initial imperfection information, and the defect information of described initial imperfection information number is set to " 0 ".
According to a further aspect in the invention, provide a kind of storage to be used to carry out the computer readable recording medium storing program for performing that data is recorded in the program of the method on the information recording carrier, on this information recording carrier, defined Lead-In Area, data field and leading-out zone.Described method comprises: the DDS that will be used for defect management and record management writes in the DDS/RMD district that is arranged in Lead-In Area or leading-out zone; The replacement data of the defective data on the replacement information recording medium and the information relevant with the defective that occurs on the information recording carrier are write in the SA/DL district that is arranged in the data field; But the DDS/RMD piece is write in first recording section in DDS/RMD district, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
According to a further aspect in the invention, provide a kind of storage to be used to carry out computer readable recording medium storing program for performing, on this information recording carrier, defined Lead-In Area, data field and leading-out zone from the program of information recording carrier method of reproducing data.Described method comprises: read DDS that is used for defect management and the RMD that is used for record management in the DDS/RMD district from be arranged in Lead-In Area or leading-out zone; Read replacement data of replacing the defective data on the information recording carrier that defective occurs and the relevant information of defective that occurs with information recording carrier in the SA/DL district from be arranged in the data field; But from first recording section in DDS/RMD district, read the DDS/RMD piece, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
Embodiment
Now, will be described in detail the embodiment of the invention, its example is illustrated in the accompanying drawing, and in the accompanying drawings, identical label is represented identical parts all the time.Below, embodiment is described with reference to the accompanying drawings to explain the present invention.
Fig. 1 is record data in optical record medium/reproduce from the optical record medium block diagram of the equipment of data according to the embodiment of the invention.With reference to Fig. 1, this equipment comprises write/read unit 2 and control module 1.
Write/read unit 2 comprises pick-up and write data or from coiling read data 100, described dish 100 is examples of optical record medium according to an aspect of the present invention on dish 100.
Control module 1 control write/read unit 2 is come on dish 100 write data according to predetermined file system or from coiling read data on 100.In one embodiment of the invention, control module 1 adopts and writes the back verification method, in the method, by serving as that basic data are recorded on the dish 100 verified these data then with predetermined data unit, determines whether there is defect part on dish 100.In each recording operation, control module 1 writes data into dish and goes up and determine that on the dish 100 which partly is defective.Thereafter, control module 1 produces which partly is defective information on the display disc 100, this information of storage in the storer (not shown), and the part that will be stored in the defect information in the storer is recorded on the dish 100 as temporary defect information.
Recording operation is carried out the data recording of which kind of type based on user's order and user expectation and is determined, and its scope from coil 100 be loaded into described equipment the time be carved into and coil 100 from the unloaded moment of this equipment after being recorded in data on the dish 100.In each recording operation, checking is written to the processing of the data on the dish 100 and carries out at least once, usually, and more than twice.Write the result of back verification method and the temporary defect information that obtains is temporarily stored in the storer by execution.
Remove when coiling 100 from this equipment then when finishing " ejection " button that after dish 100 identifying recording layers user presses on this equipment, control module 1 identifies current recording operation to be finished.Then, control module 1 offers write/read unit 2 from memory read temporary defect information with described temporary defect information, and order write/read unit 2 is recorded in this temporary defect information on the dish 100.
Control module 1 comprises system controller 10, host interface 20, digital signal processor 30, radio frequency (RF) amplifier 40, servo control mechanism 50 and storer 60.
When at dish 100 identifying recording layers, host interface 20 receives write order and this write order is sent to system controller 10 from the main frame (not shown).System controller 10 control figure signal processors 30 and servo control mechanism 50 are to carry out the write order that receives from host interface 20.Digital signal processor 30 with the additional data such as parity data add to from host interface 20 receive with the data that are recorded, carry out error correcting code (ECC) coding by result and produce the ECC piece, and modulate this ECC piece in a predetermined manner addition.RF amplifier 40 will be converted to the RF signal from the data of digital signal processor 30 outputs.Write/read unit 2 will coiled on 100 from the RF signal record that RF amplifier 40 receives.Servo control mechanism 50 slave controllers 10 receive and carry out the required order of servocontrol, and the pick-up of write/read unit 2 is carried out servocontrol.
For dish and defective are effectively managed, controller 10 operations are as follows.Suppose that dish 100 comprises Lead-In Area, data field and leading-out zone, system controller 10 control write/read unit 2, so that write/read unit 2 is written to defect management information and records management information in the DDS/RMD district that is provided with in the Lead-In Area of dish 100 and the leading-out zone, to be used for replacing the replacement data of the data that are stored in dish 100 defect block and be written to the SA/DL district that is provided with in the data field, but and the DDS/RMD piece be write in first recording section in DDS/RMD district about the information of defect block.Here, the DDS/RMD piece comprises the initialization information that the data field is distributed information and is used for disk management, and described data field distributes packets of information to draw together: the positional information in the positional information in DDS/RMD district and SA/DL district.
In addition, system controller 10 control write/read unit 2 so that write/read unit 2 with defect list (DL) but be written in first recording section in SA/DL district, described DL comprises the initial imperfection information that defect information number is configured to " 0 ".
And, when in the data field, arranging the DDS/RMD district to coiling 100 system controllers 10 when carrying out initialization, and with the stationkeeping in DDS/RMD district, so that the positional information in DDS/RMD district no longer changes.Particularly, system controller 10 can be arranged as the DDS/RMD district SA/DL district that is close to the beginning part that is positioned at the data field, perhaps the DDS/RMD district is arranged in the latter end of data field.Under system controller 10 was arranged in the DDS/RMD district situation in the latter end of data field, new SA/DL district was disposed in before the DDS/RMD district.
When from coiling 100 when reproducing data, host interface 20 receives read command from the main frame (not shown).System controller 10 is carried out from coiling 100 and is reproduced the required initialization process of data.Write/read unit 2 is applied to dish 100 with laser beam, obtains light signal by receiving from the laser beam of coiling 100 surface reflection, and exports this light signal.RF amplifier 40 will be converted to the RF signal from the light signal of write/read unit 2 outputs, obtain the data and the servosignal of modulation from this RF signal, and respectively data and the servosignal of modulating be offered digital signal processor and servo control mechanism 50.Here, servosignal is used to control servo control mechanism 50.30 pairs of signal demodulation of digital signal processor from the modulation of RF amplifier 40 receptions, and to demodulation result execution error correction, thereby the ECC data obtained.Servo control mechanism 50 receives servosignal from RF amplifier 40, and receives the required order of servocontrol from system controller 10.Then, servo control mechanism 50 is carried out servocontrol by using servosignal and this order to the pick-up of write/read unit 2.Host interface 20 receives the ECC data from digital signal processor 30, then these ECC data is sent to the main frame (not shown).System controller 10 control servo control mechanisms 50, thus servo control mechanism 50 can be read management information or disc defect information from coiling 100, and can be based on this management information or disc defect information from coiling 100 non-defect part read data.
Suppose that dish 100 comprises Lead-In Area, data field and leading-out zone, system controller 10 control write/read unit 2, so that this write/read unit 2 is read defect management information and records management information from be arranged on dish 100 Lead-In Area or the DDS/RMD district the leading-out zone, SA/DL district from be arranged on the data field read to be used for replacing the defect block that is stored in dish 100 data replacement data and about the information of defect block, but and read the DDS/RMD piece from DDS/RMD district first recording section.As mentioned above, the DDS/RMD piece comprises the dish initialization information that the data field is distributed information and is used for disk management, and described data field distributes packets of information to draw together the positional information in DDS/RMD district and the positional information in SA/DL district.
In addition, system controller 10 control write/read unit 2, but so that write/read unit 2 is read DL from first recording section in SA/DL district, described DL comprises the initial imperfection information that defect information number is configured to " 0 ".
The equipment of Fig. 1 can be split up at the equipment of recording data from optical recording medium and reproduce the equipment of data from optical record medium.
Structure according to the optical record medium of the embodiment of the invention will be described now in more detail.
Be recorded in according to the management information on the optical record medium of the embodiment of the invention (DMI) and comprise DDS, RMD and DL.DMI record disc management area (DMA) thereon comprising: temporary disk (T-disk) directorial area (TDMA) wherein records interim DMI; With final disc management area (FDMA), wherein record final DMI.
TDMA comprises: record the DDS/RMD district of DDS and RMD and record the DL district of DL.
DDS comprises the positional information of TDMA or the positional information of DMI.Specifically, DDS comprises: the positional information in SA/DL district, replace block are arranged in this SA/DL district and DL is recorded in this SA/DL district; The positional information in DDS/RMD district; The positional information of DL in the SA/DL district; But the positional information of each recording section in SA/DL district, in the SA/DL district, but the DL of storage update or replacement data; Whether the consistance mark is used for determining formerly coiling during the recording operation and normally ejects from described equipment; And record protection information, be used to prevent that data are recorded in dish.
Be used to manage the RMD of the data of disc recording, comprise: the Zone R clauses and subclauses indicate the state of each Zone R under the sequential recordng mode; Perhaps position mapping, it is the mapping of place value, described place value indicates respectively whether data are recorded in each record block of user data area under the recorded at random pattern.
The DDS/RMD district that records DDS and RMD is set in the Lead-In Area or leading-out zone of individual layer indicator, perhaps is set in Lead-In Area, mesozone or the leading-out zone of double record dish.Before the use dish dish is carried out the initialized stage, drive manufacturers or user can be defined as the DDS/RMD district with the certain customers data field of dish, thereby increase the number of times that each DDS/RMD piece can be updated.
DL comprises: the positional information of record data in dish/reproduce the positional information of the defect block that is detected during the data and be used for replacing respectively the replace block of defect block from dish.The DL district that records DL is not the district of fixing.On the contrary, when sending the request of upgrading DL, the DL district is disposed among the SA/DL in the user data area of dish.Usually, the residing spare area of replace block is set in the predetermined portions of dish.Replace block is arranged in the prior art the SA/DL district as the homologue of spare area, records the DL that comprises disc defect information (i.e. the positional information of the positional information of Pan defect block and replace block) in this SA/DL district.
To such an extent as to when remaining record space on the dish can not be again in the disc recording data, perhaps when the user did not think in the disc recording data again or only wants dish as the data reproduction purpose, dish was performed finally definite.Management information about the final dish of determining is stored among the FDMA of the final dish of determining.
Dish is provided with power calibration area (PCA), which in a plurality of recording powers of determining when being recorded in data on the dish to use to be optimal recording power with, and determine with use when being recorded in data on the dish write the policy-related (noun) variable.
Fig. 2 is the structural drawing of expression according to the individual layer indicator of the embodiment of the invention.With reference to Fig. 2, leading-out zone forms along the periphery of individual layer indicator, and Lead-In Area forms along the individual layer indicator in interior week, and user data area is between leading-out zone and Lead-In Area.
Lead-In Area comprises PCA#0, FDMA#1, FDMA#2 and DDS/RMD district #0; User data area comprises user data area, SA/DL district #0, SA/DL district #1 and DDS/RMD district #2; Leading-out zone comprises PCA#1, FDMA#3, FDMA#4 and DDS/RMD district #1.
Fig. 3 is the structural drawing of individual layer indicator according to another embodiment of the present invention.With reference to Fig. 3, leading-out zone forms along the periphery of individual layer indicator, and Lead-In Area forms along individual layer indicator dish in interior week, and user data area is between leading-out zone and Lead-In Area.
Lead-In Area comprises FDMA#1, FDMA#2 and DDS/RMD district #0; User data area comprises user data area, SA/DL district #0, SA/DL district #1 and DDS/RMD district #2; And leading-out zone comprises PCA#1, FDMA#3, FDMA#4 and DDS/RMD district #1.
To be described in greater detail in the temporary disk (T-disk) directorial area (that is SA/DL district) that Fig. 2 A is provided with to the dish of Fig. 3 D now.
With reference to Fig. 4, no matter dish is individual layer indicator or double record dish, the SA/DL district is set on the dish as the part of user data area.
As mentioned above, the SA/DL district comprises the replace block of the defect block that is used for replacing respectively user data area, and the memory disc defect information, and described disc defect information comprises: the positional information of the positional information of defect block and replace block in the user data area.In the time need replacing defect block with replace block owing in user data area, defective takes place, the positional information of defect block and the positional information of replace block should be recorded in the user data area send order from the defect block read data with convenient main frame somewhere the time, disk drive can be searched for replace block and take out data from the replace block that searches rather than from defect block.
Since replace block and DL are closely related, so when replace block is newly assigned to each defect block in the user data area, preferred but non-essential be that DL is updated.Preferably but optionally, replace block is positioned at identical district with DL, rather than different districts.Specifically, but replace block is set at the recording section of fate, but DL is recorded in another recording section of described fate then.Therefore, pick-up needn't move around between two different districts, and in described different district, replace block is arranged in one of them district, and DL is recorded in another district.Therefore, can reduce and seek the required time of rail operation, and the memory capacity of use dish effectively.
When the manufacturing dish, according to predetermined manufacturer's standard, the predetermined portions of dish is designated as Lead-In Area, mesozone and leading-out zone.Yet,, when dish is carried out initialization, on dish, define the SA/DL district because before the use dish, be difficult to determine replace block and DL need take how many spaces in the district of dish.Therefore, in order to be replace block and DL preparation zone on dish, stage at the manufacturing dish has defined SA/DL district #0 according to predetermined production standard, if necessary, according to dish manufacturer or user's intention, can in to the latter end that coils the user data area of initialized stage on dish, define SA/DL district #1.When definition SA/DL district #1 on dish, preferred but non-essentially be, it is opposite with the direction of record data in the user data area on dish that the direction that data are recorded in SA/DL district #1 is set to, thus above the data recording direction of user data area the expansion of user data area.Thereby, the memory capacity of use dish effectively.
The DDS/RMD district is set in the Lead-In Area or leading-out zone on the individual layer indicator, perhaps is set in Lead-In Area, mesozone and the leading-out zone on the double record dish.
As mentioned above, DDS comprises the positional information of TDMA or the positional information of DMI; RMD can be the Zone R status information under the sequential recordng mode, under sequential recordng mode, data by journal in user data area; Perhaps RMD can be that whether designation data is recorded in data mode information on each of a plurality of record blocks in the user data area under the recorded at random pattern, and under the recorded at random pattern, data are recorded in the user data area arbitrarily.
Fig. 4 is the structural drawing according to the expression SA/DL district of the embodiment of the invention.With reference to Fig. 4, the SA/DL district comprises: DL#0, replace block #1, replace block #2, DL#1, replace block #3, replace block #4, replace block #5 and DL#2.
DL#0 can comprise initialization information.In recording operation #0, defective #1 and defective #2 take place.Then, but but be respectively applied in the recording section of replacing defect block #1 and the replace block #1 of defect block #2 and the SA/DL district that replace block #2 is disposed in the recording section that is close to the SA/DL district that is taken by DL#0, wherein defect block #1 and defect block #2 correspond respectively to defective #1 and defective #2.Thereafter, DL#1, it comprises the information about defective #1 and defective #2, but but is recorded in the recording section in the SA/DL district that is close to the recording section that is taken by replace block #1 and replace block #2.In recording operation #1, defective #3, defective #4 and defective #5 take place.Then, but be disposed in the recording section in the SA/DL district that is close to the recording section that is taken by DL#1 but be respectively applied for replace block #3, the replace block #4 and the replace block #5 that replace defect block #3, defect block #4 and defect block #5, wherein defect block #3, defect block #4 and defect block #5 correspond respectively to defective #3, defective #4 and defective #5.Thereafter, DL#2, it comprises the information about defective #3, defective #4 and defective #5, but but is recorded in the recording section in the SA/DL district that is close to the recording section that is taken by replace block #3, replace block #4 and replace block #5.
Although defective #1, defective #2, defective #3, defective #4 and defective #5 are indicated among Fig. 4, just look like that the present invention is restricted to the defective that takes place during recording operation, the present invention also can be applied in the defective of reproducing the operating period generation.
As mentioned above, when defective takes place, but replace block is disposed in the recording section in SA/DL district, then, DL, it comprises the information about defective, but but is recorded in another recording section in SA/DL district of the recording section that is close to the SA/DL district that is taken by replace block.
Fig. 5 is the diagrammatic sketch of the DL#i of presentation graphs 4.With reference to Fig. 5, DL#i comprises the information about at least one defective, promptly about the information of defective #0 and defective #1.About the information of a defective corresponding to about a defect block and an information of replacing the replace block of this defect block.Fig. 6 represents the information about defective #i.
Fig. 6 is the diagrammatic sketch of expression about the information of defective #i.With reference to Fig. 6, comprise the positional information of defect block #i and the positional information of replace block #i about the information of defective #i.For example, the positional information of defect block #i can be the sector numbers of defect block #i, and the positional information of replace block #i also can be the sector numbers of replace block #i.Information about defective #i also can comprise predetermined status information (not shown).
Fig. 7 is expression according to the record in SA/DL district of the embodiment of the invention diagrammatic sketch about the method for the information of the defective that takes place in the user data area that coils.Can be based on by the sector or by bunch coming deal with data.The sector is can be by the file system of computing machine or the least unit zone of application program management, bunch is that data can be recorded it simultaneously in last least unit zone on dish.Usually, one or more sectors constitute one bunch.
The sector is divided into physical sector and logic sector.Physical sector is the space of record data wherein.The address that is known as physical sector number (PSN) is assigned to each physical sector.Logic sector is that the file system or the application program of computing machine serves as the unit that management data is come on the basis with it, and the address that is known as logic sector number (LSN) is assigned to each logic sector.Equipment comes the zone that search data will be recorded on dish by the PSN of reference data.File system or application program are also come the position of management data in the data of management accounts on dish of coming up by the basis of logic sector by the LSN of reference data.
With reference to Fig. 7, exist PSN by a plurality of physical sector (not shown)s of distributing to it respectively at user data area and SA/DL district.LSN is distributed to the continuous group of physical sector respectively, and each group comprises at least one physical sector.LSN is not assigned to the defective sector in the user data area.Therefore, even physical sector has identical size with logic sector, in case defective occurs on the dish, the quantity of PSN also may no longer equate with the quantity of LSN.
With reference to Fig. 7, label is 1. to 7. representing each unit that data are written into and are verified.1. the equipment that is used for data are recorded in optical record medium/reproduce data from optical record medium record the user data in the district, gets back to district beginning 1. then and sentence the checking user data and successfully be recorded in the district and defective taken place in the district in 1..If described equipment detects defective #1 in the district in 1., then district's part 1. of having occurred in wherein of its definition defective #1 is defect block #1, and the partial record that will be recorded in the user data among the defect block #1 is in the part in SA/DL district.The part that the part that has been recorded in the user data among the defect block #1 by storage is replaced the SA/DL district of defect block #1 is defined as replace block #1.Thereafter, described equipment record the user data in the district 2. in, get back to district beginning 2. then and sentence the checking user data and successfully be recorded in the district and defective taken place in 2. in the district.If described equipment detects defective #2 in the district in 2., then district's part 2. of having occurred in wherein of its definition defective #2 is defect block #2, and the partial record that will be recorded in the user data among the defect block #2 is in the part in SA/DL district.The part that the part that has been recorded in the user data among the defect block #2 by storage is replaced the SA/DL district of defect block #2 is defined as replace block #2.Similarly, district's part 3. that defective #3 occurs in wherein is defined as defect block #3, and a part that is recorded in the SA/DL district that the user data among the defect block #3 is recorded in it is defined as replace block #3.Because in distinguishing 4. defective does not take place, so there is not district's part 4. to be defined as defect block.
If being reckoned with at once, (for example finishes the recording operation #0 that user data is recorded and verifies in 1. the district distinguishes to 4. each of district, all user data that the user clicks ' ejection ' button or distributes to recording operation #0 are recorded), then described equipment will comprise that the DL#1 about the information of defective #1, #2 and #3 is recorded in the SA/DL district.
When recording operation #1 begins, user data is recorded in the district 5. to each district 7., district, 5. defective #4 and #5 are detected in 6. with the district in the district respectively, the some parts in SA/DL district be defined as replace block #4 and #5 with the district that is used for replacing respectively defective #4 and #5 and is detected 5. with the part of distinguishing 6..Thereafter, finished if recording operation #1 reckons with at once, the DL#2 that then will comprise about the information of defective #4 and #5 is recorded in the SA/DL district.
Fig. 8 is the diagrammatic sketch that illustrates according to the structure in the DDS/RMD district of the embodiment of the invention.With reference to Fig. 8, the DDS/RMD district comprise DDS/RMD#0, DDS/RMD#1 ..., DDS/RMD#n and clear area.
DDS/RMD#0 comprises initialization information.DDS/RMD#1 ... and each of DDS/RMD#n comprises the positional information of DMI and RMD.When the use dish, the positional information of DMI and RMD just can change.Therefore, when the positional information of DMI and RMD changed, corresponding D DS/RMD just was updated.DDS/RMD#1 to DDS/RMD#n side by side by journal in the DDS/RMD district.
Exist under the situation in a plurality of DDS/RMD district on dish, the DDS/RMD district is best but must one after the other be used.In other words, only after a DDS/RMD district ran out, another DDS/RMD district after the described DDS/RMD district just can be used.As fruit tray is the individual layer indicator, and near the DDS/RMD district that then is positioned at the week of dish was used before near the DDS/RMD district the periphery that is positioned at dish.As fruit tray is the double record dish, and then near those DDS/RMD districts that is positioned at the week of dish, the DDS/RMD district on first recording layer was used before the DDS/RMD district on second recording layer.Therefore, the DDS/RMD district on the dish is used with the order of DDS/RMD district #0, DDS/RMD district #1, DDS/RMD district #2 and DDS/RMD district #3.Therefore, when dish is written into disk drive, can be by the use order that pre-determines the DDS/RMD district identification easily and visit DDS subsequently and RMD has been recorded in one of DDS/RMD district on wherein the dish recently.
Fig. 9 A is the diagrammatic sketch that illustrates according to the structure of the dish of the embodiment of the invention, and in described dish, the SA/DL district was disposed in the data field in the stage of initialization dish.With reference to Fig. 9 A, SA/DL district #0 is disposed in the beginning part of the data field of dish, and remaining data field is used as the user area.Marked the service orientation of user area by the arrow among Fig. 9 A, that is, user data is recorded in the direction in the user area.
Fig. 9 B illustrates the diagrammatic sketch of the structure of the example of dish according to another embodiment of the present invention, and in described dish, SA/DL district and DDS/RMD district were disposed in the data field in the stage of initialization dish.
With reference to Fig. 9 B, SA/DL district #0 is disposed in the beginning part of data field, and DDS/RMD district #2 is close to SA/DL district #0 and is arranged.User area except the part that SA/DL district #0 and DDS/RMD district #2 take is used as the user area.If DDS/RMD district #0 and DDS/RMD district #1 have been arranged in the process of manufacturing dish in the Lead-In Area and leading-out zone of dish, as shown in Figures 2 and 3, then DDS/RMD district #2 was disposed in the data field in the stage of initialization dish.
Fig. 9 C is the diagrammatic sketch of another example that the dish of Fig. 9 B is shown.With reference to Fig. 9 C, SA/DL district #0 is disposed in the beginning part of data field, and DDS/RMD district #2 is disposed in the latter end of data field.User area except the part that SA/DL district #0 and DDS/RMD district #2 take is used as the user area.
Fig. 9 D is the diagrammatic sketch of another example that the dish of Fig. 9 B is shown.With reference to Fig. 9 D, SA/DL district #0 is disposed in the beginning part of data field, and SA/DL district #1 is disposed in the latter end of data field.User area except the part that SA/DL district #0 and SA/DL district #1 take is used as the user area.If the service orientation of user area be from the beginning of data field part to latter end, then the service orientation of SA/DL district #1 preferably but be not necessary, according to make SA/DL district #1 expansion or reduce to make things convenient for be set to opposite with the service orientation of user area.
Fig. 9 E is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown.With reference to Fig. 9 E, SA/DL district #0 and SA/DL district #1 are arranged in the beginning part and the latter end of data field, and DDS/RMD district #2 is close to SA/DL district #0 and is arranged.User area except the part that SA/DL district #0, DDS/RMD district #2 and SA/DL district #1 take is used as the user area.As described in reference Fig. 9 D, the service orientation of SA/DL district #1 preferably but be not necessary, according to make SA/DL district #1 expansion or reduce convenient be set to opposite with the service orientation of user area.
Fig. 9 F is the diagrammatic sketch of structure of another example that the dish of Fig. 9 B is shown.With reference to Fig. 9 F, SA/DL district #0 and DDS/RMD district #2 are arranged in the beginning part and the latter end of data field, and SA/DL district #1 is close to DDS/RMD district #2 and is arranged.User area except the part that SA/DL district #0, SA/DL district #1 and DDS/RMD district #2 take is used as the user area.As described in reference Fig. 9 D, the service orientation of SA/DL district #1 preferably but be not necessary, according to make SA/DL district #1 expansion or reduce convenient be set to opposite with the service orientation of user area.
Even shown in Fig. 9 A to Fig. 9 C, SA/DL district #1 is not disposed on the dish in the stage of initialization dish, but if desired, for example, if SA/DL district #0 runs out, then SA/DL district #1 also can be disposed on the dish between the dish operating period.If shown in Fig. 9 A and Fig. 9 B, there is not the district under the state of initialization dish, to be disposed in the latter end of the data field of dish, then shown in Fig. 9 D and Fig. 9 E, SA/DL district #1 can be disposed in the latter end of data field.If shown in Fig. 9 C, DDS/RMD district #2 is disposed in the latter end of data field in the stage of initialization dish, and then SA/DL district #1 can be disposed in before the DDS/RMD district #2, so that the service orientation of SA/DL district #1 is opposite with the service orientation of user area.
In the present invention, in case the DDS/RMD district is disposed in the data field of dish when the initialization dish, expansion after then the DDS/RMD district is prevented from, and new DDS/RMD is distinguished the dispensing data field be under an embargo, this is because the DDS/RMD piece in the DDS/RMD district comprises the pointer of the position of indicating DMI and records management information and the positional information in DDS/RMD district.In other words, when dish was written into disk drive, disk drive should be from examining and seizing finally the DDS/RMD piece to obtain final DMI.Thereafter, disk drive obtains the positional information of DL from final DDS/RMD piece, and searches for DL with reference to the positional information of DL subsequently.Thereafter, disk drive obtains pointer and the search various information by described pointer appointment from the DDS/RMD piece.Yet, if if the DDS/RMD district is being expanded between the operating period of dish or is being disposed in the data field between the operating period that coiling in new DDS/RMD district, the positional information in then existing DDS/RMD district no longer is effective, in this case, when dish was written into disk drive, disk drive be can not determine the extracting position in the DDS/RMD district in the data field.Therefore, the final DDS/RMD piece of search has spent a large amount of time of disk drive.In order to address this is that, the DDS/RMD district only is disposed in the data field in the stage of initialization dish, and as the DDS/RMD#0 of initialization information and DL#0 preferably but must be recorded in the beginning part in DDS/RMD district and the beginning part in SA/DL district respectively.In other words, as shown in Figures 2 and 3, but DDS/RMD#0 be recorded in first recording section of DDS/RMD district #0, but and DL#0 is recorded in first recording section of SA/DL district #0 of the beginning part that is arranged in the data field.Therefore, drive system can be easily from examine and seize initialization information.
Below the information that is stored among DDS/RMD#0 and the DL#0 will be described in more detail.
Figure 10 A is the diagrammatic sketch that illustrates according to the structure of the DDS/RMD#0 of the embodiment of the invention.With reference to Figure 10 A, DDS/RMD#0 (200) comprises DDS 210 and RMD 220.
DDS 210 comprise DDS/RMD identifier 211, DDS/RMD refresh counter (00h) but 212, the positional information 217 of next recording section in the positional information 216 of the positional information 215 of the positional information 214 of the positional information 213 of SA/DL district #0, SA/DL district #1, DDS/RMD district #2, DL and SA/DL district.
DDS/RMD identifier 211 expression DDS/RMD#0 are DDS/RMD pieces.DDS/RMD refresh counter 212 indication DDS/RMD#0 have been updated how many times.Because DDS/RMD#0 is the DDS/RMD piece in the DDS/RMD district, so DDS/RMD refresh counter 212 is set to 00h.The positional information 213 of SA/DL district #0 indicates the position that SA/DL district #0 is arranged in the data field.The positional information 214 of SA/DL district #1 indicates the position that SA/DL district #1 is arranged in the data field.The beginning that the positional information 214 of the positional information 213 of SA/DL district #0 or SA/DL district #1 can comprise the beginning part of SA/DL district #0 or SA/DL district #1 and latter end, SA/DL district #0 or SA/DL district #1 address and the address of the latter end of the size of SA/DL district #0 or SA/DL district #1 or SA/DL district #0 or SA/DL district #1 and the size of SA/DL district #0 or SA/DL district #1 partly.The positional information 215 of DDS/RMD district #2 indicates the position that DDS/RMD district #2 is arranged in the DDS/RMD district.The positional information 216 of DL indicates DL and is recorded in position in the SA/DL district.But but the positional information 217 of next recording section in SA/DL district helps easily to find next recording section in SA/DL district in the time need being recorded in replace block or DL in the SA/DL district.
Figure 10 B is the diagrammatic sketch that illustrates according to the structure of the DL#0 of the embodiment of the invention.With reference to Figure 10 B, DL#0 (300) comprises DL identifier 310, DL refresh counter 320 and defective information 330.
DL identifier 310 expression DL#0 comprise DL.The number of times that DL refresh counter 320 indication DL have been updated.Because DL#0 is a DL, DL refresh counter 320 is set to 00h.Defective information 330 indicates DL#0 and comprises how many defect list entries.Because DL#0 only comprises initialization information, so defective information 330 is set to ' 0 '.
As mentioned above, the DL#0 of the DDS/RMD#0 of Figure 10 A and Figure 10 B forms the DMI of initialized dish.But but DDS/RMD#0 and DL#0 are recorded in respectively in first recording section in first recording section in DDS/RMD district and SA/DL district.Then, when initialized dish was written into disk drive, disk drive can easily obtain initialization information from initialized dish by visit DDS/RMD district and SA/DL district.
Figure 11 A illustrates the diagrammatic sketch of the structure of DDS/RMD#0 according to another embodiment of the present invention.With reference to Figure 11 A, DDS/RMD#0 (400) comprises DDS 410 and RMD 420.
DDS 410 comprise DDS/RMD identifier 411, DDS/RMD refresh counter (00h) but 412, the positional information 416 of next recording section in the positional information 415 of the positional information 414 of the positional information 413 of SA/DL district #0, DDS/RMD district #2, DL and SA/DL district.
Figure 11 B illustrates the diagrammatic sketch of the structure of DL#0 according to another embodiment of the present invention.With reference to Figure 11 B, DL#0 (500) comprises positional information 530 and the defective information 540 of DL identifier 510, DL refresh counter 520, SA/DL district #1.
Except the positional information 530 of SA/DL district #1 was included among the DL#0 rather than is included among the DDS/RMD#0, present embodiment was identical with last embodiment.
Figure 12 is the process flow diagram according to the method for the initialization CD of the embodiment of the invention.With reference to Figure 12, in operation 1200, the system controller 10 of drive system distributes DDS/RMD district and SA/DL district in the stage of initialization dish in the data field of dish.As described in reference Fig. 9 A to Fig. 9 F, DDS/RMD district and SA/DL district can be disposed in the beginning part and/or the latter end of data field.
In operation 1210, but system controller 10 is recorded in the positional information in the positional information in DDS/RMD district and SA/DL district in first recording section in DDS/RMD district as DDS/RMD#0.In other words, but system controller 10 control write/read unit 2 form the DDS/RMD#0 of structure and DDS/RMD#0 be recorded in first recording section in DDS/RMD district with Figure 10 A or Figure 11 A.
In operation 1220, system controller 10 will comprise defect information and number be set to that ' but the DL of 0 ' initial imperfection information is recorded in first recording section in SA/DL district as DL#0.In other words, but system controller 10 control write/read unit 2 form the DL#0 of structure and DL#0 be recorded in first recording section in SA/DL district with Figure 10 B or Figure 11 B.
Figure 13 is according to data being recorded on the CD of the embodiment of the invention/from the process flow diagram of the method for optical disc replay data.With reference to Figure 13, in operation 1300, the equipment that data are recorded on the CD records the user data in the data field on the dish to write the back verification mode.In operation 1310, whether the data by checking record in operation 1300 defectiveness, detects defective in the data field, and in the SA/DL district in being arranged in the data field replace block of replacing defect block respectively is set.In operation 1310, the part in the SA/DL district that the appointment of the controller of described equipment will be used is piece as an alternative.
In operation 1320, produce information about defective, that is, and the positional information of defect block and the positional information of replace block, and with described information stores in storer.Operation 1300 to 1320 is repeated, and is reckoned with end up to the current record operation.
If reckon with the current record EO finishing in user data area after the user data in operation 1330, then in operation 1340, the controller of described equipment reads information about defective from storer.
In operation 1350, produce the DL that comprises about the information of at least one defective.In operation 1360, DL is recorded in the part of SA/DL of the part that is close to the SA/DL that has been assigned to replace block recently.
In operation 1370, DDS and RMD are recorded in the DDS/RMD district that takies part Lead-In Area or leading-out zone, and described DDS comprises that and then data can be recorded in the part in SA/DL district wherein.
The present invention not only can be applied to once writing recording medium, and can be applied to re-writable recording medium.
Data are recorded on the optical record medium according to an aspect of the present invention/can be embodied as computer-readable code on the computer readable recording medium storing program for performing from the optical record medium method of reproducing data.Described computer readable recording medium storing program for performing is that any can store thereafter can be by the data storage device of the data of computer system reads.The example of described computer readable recording medium storing program for performing comprises ROM (read-only memory) (ROM), random-access memory (ram), CD-ROM, tape, floppy disk, optical data storage device and the carrier wave data transmission of internet (for example by).Described computer readable recording medium storing program for performing can be distributed on the computer system that is connected to network, so that described computer-readable code can be stored and carry out with distribution mode.In addition, functional programs, code and the code segment of realizing disposal route can easily be understood by those skilled in the art.Though represented and described some embodiments of the present invention, but it should be understood by one skilled in the art that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out various changes to these embodiment in form and details.
Utilizability on the industry
The present invention can be applicable to information recording carrier, record data/from this recording medium in this recording medium The equipment of rendering data and in this recording medium record data/from the side of these recording medium reproducing data Method.

Claims (29)

1, a kind of information recording carrier is furnished with Lead-In Area, data field and leading-out zone on it,
Wherein, Lead-In Area or leading-out zone comprise dish definition structure (DDS)/record management data (RMD) district that is used to write down about the information of defect management and record management, and the DDS and the RMD that are used for defect management are written into the DDS/RMD district,
The data field comprises spare area (SA)/defect list (DL) district, described SA/DL district be used to write down the defective data on the replacement information recording medium replacement data and with information recording carrier on the relevant information of defective that occurs, but the DDS/RMD piece is recorded in first recording section in DDS/RMD district, described DDS/RMD piece comprises data field distribution information and the initialization information that is used for the management information recording medium, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
2, information recording carrier as claimed in claim 1, wherein, comprise the defect list (DL) of initial imperfection information but be recorded in first recording section in SA/DL district, the defect information of described initial imperfection information number is set to " 0 ".
3, information recording carrier as claimed in claim 2, wherein, when information recording carrier was carried out initialization, the DDS/RMD district was disposed in the data field.
4, information recording carrier as claimed in claim 1, wherein, the positional information that is arranged in the DDS/RMD district in the data field is fixed.
5, information recording carrier as claimed in claim 1, wherein, the DDS/RMD district is close to the SA/DL district and is arranged in the data field, or is disposed in the latter end of data field.
6, information recording carrier as claimed in claim 5, wherein, if the DDS/RMD district is disposed in the latter end of data field, then in the data field in the new SA/DL district of this DDS/RMD district arranged in front.
7, a kind of data are recorded on the information recording carrier/reproduce the equipment of data from information recording carrier, are furnished with Lead-In Area, user data area and leading-out zone on described information recording carrier, described equipment comprises:
Write/read unit is used for writing on data on the information recording carrier or from the information recording carrier reading of data; With
Control module, be used to control write/read unit, so that will being used for the dish definition structure (DDS) of defect management and record management, write/read unit writes in DDS/ record management data (RMD) district that is arranged in Lead-In Area or leading-out zone, the replacement data of the defective data on the replacement information recording medium and the defect information relevant with the defective that occurs on the information recording carrier are write in spare area (SA)/defect list (DL) district that is arranged in the data field, but and the DDS/RMD piece is write in first recording section in DDS/RMD district, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
8, equipment as claimed in claim 7 wherein, writes in first recording section in SA/DL district but described control module control write/read unit will comprise the DL of initial imperfection information, and the defective information of described initial imperfection information is set to " 0 ".
9, equipment as claimed in claim 8, wherein, when information recording carrier was carried out initialization, control module was arranged in the DDS/RMD district in the data field.
10, equipment as claimed in claim 7, wherein, control module is fixed the positional information in the DDS/RMD district that is arranged in the data field.
11, equipment as claimed in claim 7, wherein, control module is close to the SA/DL district with the DDS/RMD district and is arranged in the data field, perhaps the DDS/RMD district is arranged in the latter end of data field.
12, equipment as claimed in claim 11, wherein, if the DDS/RMD district is disposed in the latter end of data field, then control module in the data field in the new SA/DL district of this DDS/RMD district arranged in front.
13, a kind of data are recorded in method on the information recording carrier, are furnished with Lead-In Area, user data area and leading-out zone on this information recording carrier, described method comprises:
The dish definition structure (DDS) that will be used for defect management and record management writes in DDS/ record management data (RMD) district that is arranged in Lead-In Area or leading-out zone;
The replacement data of the defective data on the replacement information recording medium and the defect information relevant with the defective that occurs on the information recording carrier are write in the SA/DL district that is arranged in the data field;
But the DDS/RMD piece is write in first recording section in DDS/RMD district, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
14, method as claimed in claim 13 also comprises:
But the DL that will comprise initial imperfection information writes in first recording section in SA/DL district, and the defect information of described initial imperfection information number is set to " 0 ".
15, method as claimed in claim 14 also comprises:
When information recording carrier is carried out initialization, in the data field, arrange the DDS/RMD district.
16, method as claimed in claim 13 also comprises:
The positional information in the DDS/RMD district that is arranged in the data field is fixed.
17, method as claimed in claim 13 also comprises:
The DDS/RMD district is close to the SA/DL district is arranged in the data field, perhaps the DDS/RMD district is arranged in the latter end of data field.
18, method as claimed in claim 17 also comprises:
If the DDS/RMD district is disposed in the latter end of data field, then in the data field in the new SA/DL district of DDS/RMD district arranged in front.
19, a kind of from the information recording carrier method of reproducing data, on this information recording carrier, be furnished with Lead-In Area, data field and leading-out zone, described method comprises:
Dish definition structure (DDS) from be arranged in Lead-In Area or leading-out zone/record management data (RMD) reads DDS that is used for defect management and the RMD that is used for record management in the district;
Read the replacement data of replacing the defective data on the information recording carrier that defective occurs in the SA/DL district from be arranged in the data field, and read with information recording carrier on the relevant information of defective that occurs;
But from first recording section in DDS/RMD district, read the DDS/RMD piece, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
20, method as claimed in claim 19 also comprises:
But read the DL that comprises initial imperfection information from first recording section in SA/DL district, the defect information of described initial imperfection information number is set to " 0 ".
21, a kind of storage is used to carry out the computer readable recording medium storing program for performing that data is recorded in the program of the method on the information recording carrier, has defined Lead-In Area, data field and leading-out zone on this information recording carrier, and described method comprises:
The DDS that will be used for defect management and record management writes in the DDS/RMD district that is arranged in Lead-In Area or leading-out zone;
The replacement data of the defective data on the replacement information recording medium and the information relevant with the defective that occurs on the information recording carrier are write in the SA/DL district that is arranged in the data field;
But the DDS/RMD piece is write in first recording section in DDS/RMD district, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
22, a kind of storage is used to carry out the computer readable recording medium storing program for performing from the program of information recording carrier method of reproducing data, has defined Lead-In Area, data field and leading-out zone on this information recording carrier, and described method comprises:
Dish definition structure (DDS) from be arranged in Lead-In Area or leading-out zone/record management data (RMD) reads DDS that is used for defect management and the RMD that is used for record management in the district;
Read the replacement data of replacing the defective data on the information recording carrier that defective occurs in the SA/DL district from be arranged in the data field, and read with information recording carrier on the relevant information of defective that occurs;
But from first recording section in DDS/RMD district, read the DDS/RMD piece, described DDS/RMD piece comprises the data field distribution information and the initialization information of the management that is used for information recording carrier, and described data field distributes packets of information to draw together the positional information in the DDS/RMD district that is arranged in the data field and the positional information in SA/DL district.
23, a kind of information recording carrier that comprises Lead-In Area, data field and leading-out zone, wherein, described data field comprises:
Spare area (SA)/defect list (DL) district, the defect information that is used to write down the replacement data of the defective data on the replacement information recording medium and is used to write down described defective data; With
Dish definition structure (DDS)/record management data (RMD) district comprises that the data field that is used for the management information recording medium distributes information and initialization information, and described data field distributes packets of information to draw together the DDS/RMD district in the data field and the positional information in SA/DL district.
24, information recording carrier as claimed in claim 23, wherein, the DDS/RMD district comprises dish definition structure (DDS) and record management data (RMD).
25, information recording carrier as claimed in claim 24; wherein, but described dish definition structure comprises positional information, consistance mark and the record protection information of recording section in positional information, the SA/DL district of positional information, the defect list in the SA/DL district in positional information, the DDS/RMD district in SA/DL district.
26, information recording carrier as claimed in claim 24, wherein, described record management data comprises: the Zone R clauses and subclauses indicate the state of each Zone R under the ordered mode; The perhaps position mapping of value, whether indication data under the recorded at random pattern are recorded in the record block of user data area.
27, information recording carrier as claimed in claim 23, wherein, the DDS/RMD district is set in the Lead-In Area or leading-out zone of individual layer indicator, perhaps is set in Lead-In Area, mesozone or the leading-out zone of double record dish.
28, information recording carrier as claimed in claim 23, wherein, described DL district comprises defect list.
29, information recording carrier as claimed in claim 28, wherein, described defect list comprises: data are being recorded on the information recording carrier/are reproducing from information recording carrier the positional information of detected defect block during the data; And the positional information of replacing the replace block of described defect block.
CNB2004800399406A 2004-01-05 2004-12-29 Optical recording medium, apparatus for recording/reproducing data on/from optical recording medium, and method of recording/reproducing data on/from optical recording medium Expired - Fee Related CN100405473C (en)

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KR20040000369 2004-01-05
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