CN101312061B - Optical recording medium, recording/ reproducing device and method - Google Patents
Optical recording medium, recording/ reproducing device and method Download PDFInfo
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- CN101312061B CN101312061B CN2008101097935A CN200810109793A CN101312061B CN 101312061 B CN101312061 B CN 101312061B CN 2008101097935 A CN2008101097935 A CN 2008101097935A CN 200810109793 A CN200810109793 A CN 200810109793A CN 101312061 B CN101312061 B CN 101312061B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 230000007547 defect Effects 0.000 claims abstract description 367
- 238000009877 rendering Methods 0.000 claims description 2
- 230000002950 deficient Effects 0.000 abstract description 96
- 238000007726 management method Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 19
- 230000007246 mechanism Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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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
- G11B7/0079—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
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- 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
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- 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
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- 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
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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
- G11B7/013—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 for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
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- 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
-
- 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
- G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
- G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
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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 optical recording medium including a user data area and an SA/DL area in which a replacement block to replace a defective block in the user data area, and information regarding a defect corresponding to the defective block, is recorded, wherein the information regarding the defect includes a consecutive defect list entry including information regarding defects located in consecutive locations of the user data area, and an apparatus, and a method of, using the optical recording medium.
Description
The application is to be title the dividing an application for No. 200480039939.3 application of " optical record medium, recording/reproducing apparatus and recording/reproducing method " on Dec 27th, 2004 to the applying date that China Intellectual Property Office submits to.
Technical field
The present invention relates to a kind of optical record medium for defect management, recording/reproducing apparatus and recording/reproducing method.
Background technology
Defect management is a kind of like this processing, and it is by the defective in the user data area that will be recorded in dish, and namely the new part that writes user data area of the user data in the defect block compensates the data degradation that is caused by defect block.Usually, carry out defect management with linear replacement method or slip replacement method.In these methods, with not having defective spare area to replace defective district.In the slip replacement method, slip over defective district, and use next flawless district.In linear replacement method, the piece of the appearance defective of user data area is called as defect block.Replace block that be used for to replace defect block is recorded in the spare area of predetermined portions of dish.About the information of defect block and replace block, the information that namely is used for the position of search defect block and replace block is shown in defect list.
Usually, when main frame reads the data that are recorded on the dish, the logical address of main frame specified data, and order hard disk drive reading out data.Then, hard disk drive is searched for the physical address corresponding with this logical address, and reads the data in the position corresponding with this physical address that is recorded on the dish.If defect block appears in the data corresponding with this physical address, then hard disk drive must be sought the replace block of replacing defect block.Therefore, defect list comprises defect list entries, and each clauses and subclauses comprises respectively the information about each defect block.That is, for each defect block produces defect list entries, therefore need to be used for sizable record space of defect list.
Disclosure of the invention
Technical matters
Therefore, need to effectively manage the space that is used for defect list.For this reason, need to be to about defect block, the information of the defect block that particularly occurs in the continuous position of user data area is effectively managed.
Technical solution
The invention provides the defect management apparatus in the required space of a kind of defect list that is used for managing defect on it in the CD, a kind of effectively management dish of defect managed and method and storage and be used for the computer-readable CD that opertaing device is carried out the computer program of described defect management method.
Beneficial effect
According to the present invention, on the CD that defect management is performed, the space that is used for the defect list of recording defect management can be managed effectively, thereby whole disk space can be managed effectively.
Description of drawings
Fig. 1 is the block diagram according to the data recording/reproducing device of the embodiment of the invention.
Fig. 2 is the structural drawing according to the single record layer disc of the embodiment of the invention.
Fig. 3 is the structural drawing according to the double record layer disc of the embodiment of the invention.
Fig. 4 is the data structure diagram according to the SA/DL district of the embodiment of the invention.
Fig. 5 is the detailed data composition of the DL#i shown in Fig. 4.
Fig. 6 is the detailed data structure diagram of the DL clauses and subclauses #i shown in Fig. 5.
Fig. 7 is the reference diagram that illustrates according to the continuous defect piece of the embodiment of the invention.
Fig. 8 is the reference diagram that illustrates according to the continuous defect tabulation of the embodiment of the invention.
Fig. 9 is the diagram that the example of the replacement status information shown in Fig. 6 and continuous defect information is shown.
Figure 10 A and Figure 10 B illustrate according to the continuous defect piece with replacement of the embodiment of the invention and the reference diagram of the continuous defect piece that do not have to replace.
Figure 11 A is the data structure diagram of the DL#k shown in Figure 10 B.
Figure 11 B is the data structure diagram of the DL#k shown in Figure 10 B, and this DL#k also comprises the information about the quantity of continuous defect list of entries.
Figure 11 C is the data structure diagram of the DL#k shown in Figure 10 B, and this DL#k also comprises about the information of the quantity of the continuous defect list of entries with replacement status information " 0 " and about the information of the quantity of continuous defect list of entries with replacement status information " 1 ".
Figure 12 is according to the usefulness of the embodiment of the invention process flow diagram of the defect management method of the CD that is managed of defect area thereon.
Best mode
According to an aspect of the present invention, optical record medium of defect managed comprises the replace block of the defect block in the replacement user data area and information recording/therein the SA/DL district relevant with defective on it.The described information relevant with defective comprises the continuous defect list of entries, and described continuous defect list of entries comprises the information relevant with the defective of the continuous position that is arranged in user data area.
Described continuous defect list of entries can comprise: the beginning clauses and subclauses, corresponding to the information relevant with the first defect block; And end entry, corresponding to the information relevant with last defect block, wherein, described the first defect block and last defect block belong to the defect block in the continuous position of user data area.
Described beginning clauses and subclauses can comprise the positional information relevant with the first defect block and the positional information relevant with the replace block of replacing the first defect block.
Described end entry can comprise the positional information relevant with last defect block and the positional information relevant with the replace block of replacing last defect block.
The described information relevant with defective can comprise the information relevant with the quantity of continuous defect list of entries.
The described information relevant with defective also can comprise the information relevant with the quantity of defect list entries.
Can multiply by by the quantity with the continuous defect list of entries factor 2, and from the quantity of defect list entries, deduct the product of gained, calculate the quantity of individual defect list of entries.
The described information relevant with defective can comprise defect list entries, and described defect list entries comprises the positional information relevant with defect block, the positional information relevant with replace block and the relevant status information with defective.
Described status information can comprise: the expression replacement status information that whether is replaced of defect block and expression defect block be the continuous defect information of continuous defect piece whether.
The described information relevant with defective also can comprise: the information relevant with the quantity of the continuous defect list of entries with the replacement status information that represents that defect block is replaced.
The described information relevant with defective also can comprise: the information relevant with the quantity of the continuous defect list of entries with the replacement status information that represents that defect block is not replaced.
According to a further aspect in the invention, a kind of equipment for recording/reproducing data on optical record medium comprises: write/read unit is used for writing on data on the described medium and/or from described medium reading out data; And control module, wherein, described control module is that described medium distributes the SA/DL district, replace block and the information relevant with defective of replacing the defective defect block of tool in the user data area are recorded in the described SA/DL district, and described control module control write/read unit with the described information recording/relevant with defective in the SA/DL district, the described information relevant with defective comprises the continuous defect list of entries, and described continuous defect list of entries is corresponding to the information relevant with the defective of the continuous position that is arranged in user data area.
According to a further aspect in the invention, a kind of on optical record medium the method for recording/reproducing data comprise: be that medium distributes SA/DL district, be used for the replacement user data area defect block replace block and be recorded in the described SA/DL district corresponding to the relevant information of the defective of described defect block; In the SA/DL district, the described information relevant with defective comprises the continuous defect list of entries with the information recording/relevant with defective, and described continuous defect list of entries is corresponding to the information relevant with the defective of the continuous position that is arranged in user data area.
According to a further aspect in the invention, a kind of stored program computer-readable CD is provided, described program is used for control with the data recording CD of defect managed/carry out defect management method from the equipment of these optical disc replay data thereon, described defect management method comprises: for medium distributes the SA/DL district, the replace block and the information relevant with defective that are used for the defective defect block of tool of replacement user data area are recorded in the described SA/DL district; In the SA/DL district, the described information relevant with defective comprises the continuous defect list of entries with the information recording/relevant with defective, and described continuous defect list of entries is corresponding to the information relevant with the defective of the continuous position that is arranged in user data area.
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 represents identical parts all the time.Below, embodiment is described with reference to the accompanying drawings to explain the present invention.
Fig. 1 is the block diagram according to the data recording/reproducing device of the embodiment of the invention.
With reference to Fig. 1, this data recording/reproducing device comprises write/read unit 2 and control module 1.
According to the present invention, write/read unit 2 comprises pick-up, and with data recording thereon on the dish 4 of defect managed/from coiling 4 reading out datas.Control module 1 executive basis defect management of the present invention.In an embodiment of the present invention, control module 1 uses verify-after-write method, by with predetermined records data in units and the data of record are carried out verification seek defective data.Control module 1 is by writing user data and user data is carried out verification to check defective data where occurred with record operating unit.Control module 1 is after being checked through defective data, produce the indication defective data and be positioned at defect information where, the information that produces is stored in the storer as temporary defect information, and after the information of the described generation that has compiled scheduled volume, with the information recording/ that produces on dish.
In an embodiment of the present invention, as the record operation of the operation of being determined by user's intention or the record operation of expectation etc. refer to comprise loading disc, in disc recording data and the operation of unloading load plate.In described record operating period, verify-after-write operation is performed once at least.Then, will be stored in the storer by the described temporary defect information of using verify-after-write operation to obtain temporarily.
When the user pressed the ejector button (not shown) in order to unload load plate, control module 1 determined that the record operation is terminated, and reads the temporary defect information that is stored in the storer, and this information is offered write/read unit 2, and this information is recorded on the dish.
For rendering data, main frame I/F 20 receives read command from main frame 3.System controller 10 is carried out and is reproduced required initialization.Write/read unit 2 projects laser beam on the dish 4, and output is by receiving the optical signalling that obtains from the laser beam of coiling 4 reflections.RF AMP 40 will change into the RF signal from the optical signalling of write/read unit 2 output, will send to DSP 30 from the data of the modulation of this RF signal acquisition, and will send to from the servo-control signal of this RF signal acquisition servo control mechanism 50.The data of 30 pairs of modulation of DSP are carried out demodulation, and the data of demodulation are carried out the ECC error correction.Receiving from the servosignal of RF AMP 40 with from the control of system controller 10 after the servo required order, 50 pairs of pick-ups of servo control mechanism carry out servocontrol.Main frame I/F 20 will send to main frame 3 from the data that DSP 30 receives.In order to control the reproduction of data, system controller 10 control servo control mechanisms 50 are from position reading out data that data are recorded.
Structure according to the CD of defect managed on its of the embodiment of the invention is as follows.
Be recorded in according to the management information on the CD of the embodiment of the invention (DMI) and comprise: dish definition structure (DDS), record management data (RMD) and defect list (DL).DMI record disc management area (DMA) thereon comprising: temporary disk (T-disk) directorial area (TDMA), and when dish was recorded, TDMA was used for recording interim DMI; With final disc management area (FDMA), be used for recording final DMI.
Comprise for the TDMA that records interim DMI: the DDS/RMD district is used for record DDS and RMD; With the DL district, be used for record DL.
DDS comprises: about the positional information in SA/DL district, record replace block and DL in described SA/DL district, described replace block is replaced defect block when defective occurring in the data block in being recorded in the data field; Positional information about the DDS/RMD district; Be recorded in positional information where about DL; Can be used for replacing the data in the SA/DL district or be used for to upgrade the positional information of DL; Whether the consistance mark is used for the inspection dish and normally ejects when being used; And write protection information, be used for preventing from writing.
RMD is the information relevant with the data of management disc recording, comprising: Zone R territory clauses and subclauses, the state in each Zone R territory under the DISPLAY ORDER logging mode; Bitmap is shown as place value, and described place value represents for the recorded at random pattern, and whether the data relevant with each record units chunk of user area are recorded.
In single record layer disc, the DDS/RMD district that is used for record DDS and RMD is disposed in Lead-In Area or leading-out zone, and in double record layer disc, the DDS/RMD district is disposed in Lead-In Area, mesozone or the leading-out zone.In order to use dish to dish intention according to drive manufacturers or user during initialization, the DDS/RMD district can be dispensed in the part of data field to increase the quantity of possible renewal.
When can not be in the disc recording more data, perhaps the user wants the current state of holding tray and no longer records other data, only should coil when being used for reproducing, and carry out the envelope dish, and final management information is recorded among the FDMA.
The PCA district is arranged to test, and described test refers to also detect according to the variable of writing strategy according to writing strategy detection optimal recording power from various recording powers.
Fig. 2 is the structural drawing according to the single record layer disc of the embodiment of the invention.
With reference to Fig. 2, leading-out zone forms towards the periphery of dish, and Lead-In Area is formed centrally in dish, and the data field is formed between leading-out zone and the Lead-In Area.
Lead-In Area comprises: PCA#0, FDMA#1, FDMA#2 and DDS/RMD district #0.The data field comprises user area, SA/DL district # 0 and SA/DL district #1.Leading-out zone comprises PCA#1, FDMA#3, FDMA#4 and DDS/RMD district # 1.
Fig. 3 is the structural drawing according to the double record layer disc of the embodiment of the invention.
With reference to Fig. 3, Lead-In Area, data field # 0 and mesozone # 0 are arranged among the recording layer L0, and mesozone # 1, data field # 1 and leading-out zone are arranged among another recording areas L1 in turn.
In layer L0, Lead-In Area comprises: PCA# 0, FDMA# 2, DDS/RMD district # 0 and FDMA#1.The data field comprises SA/DL district # 0 and user area #0.Mesozone # 0 comprises: FDMA# 3, DDS/RMD district # 2, FDMA# 4 and PCA#1.On the other hand, in layer L1, mesozone # 1 comprises: FDMA# 3, DDS/RMD district # 3, FDMA# 4 and PCA#3.Data field # 1 comprises: SA/DL district # 1 and user area #1.Leading-out zone comprises PCA# 2, FDMA# 2, DDS/RMD district # 1 and FDMA# 1.
As shown in Fig. 2 and Fig. 3, when defective occurring in the user area, the replace block of replacing defect block is recorded in the SA/DL district with the information about defective.Described information about defective comprises positional information about defect block, about the positional information of replace block and about the information of continuous defect.
Fig. 4 is the data structure diagram according to the SA/DL district of the embodiment of the invention.
With reference to Fig. 4, SA/DL district #i comprises: DL# 0, replace block # 1...... replace block #k, DL# 1, replace block #k+1......DL#m.
From the and then DL# 0 setting of replace block of replace block # 1 to #k, these replace blocks are replaced the defect block from defect block # 1 to #k.DL# 1 be comprise with from the relevant information of the defect block of defect block # 1 to #k and with defect list from the relevant information of the replace block of replace block # 1 to #k, DL# 1 and then replace block #k is recorded.From the and then DL# 1 setting of replace block of replace block #k+1 to #m, about the defective that occurs in the user area, these replace blocks are replaced the defect block from defect block #k+1 to #m.
By this way, be recorded in the SA/DL district according to the defect list that comprises the information relevant with defective of the embodiment of the invention, the replace block of replacing defect block also is arranged in this SA/DL district.That is, defect list and replace block are arranged in a district, rather than are arranged in district separately.
Fig. 5 is the detailed data structure diagram of the DL#i shown in Fig. 4.
With reference to Fig. 5, DL#i 200 comprises: DL identifier 210, DL refresh counter 220, DL number of entries 230, DL clauses and subclauses # 1 240 and DL clauses and subclauses # 2 250.
DL identifier 210 is identifiers of indication defect list.That is, owing to the present embodiment according to the present invention, defect list and replace block one are located in the SA/DL district, therefore need the identifier of indication defect list.
DL number of entries 230 is sums of the clauses and subclauses that comprise in the defect list.
DL clauses and subclauses # 1 240 or DL clauses and subclauses # 2 250 are the clauses and subclauses that have about the information of defective.The example of the content that comprises in these DL clauses and subclauses has been shown among Fig. 6.
Fig. 6 is the detailed data structure diagram of the DL clauses and subclauses #i shown in Fig. 5.
With reference to Fig. 6, DL clauses and subclauses #i 300 comprises: status information 310, defective block location in-formation 320 and replace block positional information 330.
Whether the defect block that replacement status information 311 is expressed in the present user area is replaced.That is, this information represents it is that defect block in the user area is replaced and replace block is present in the SA/DL district, or defect block is not replaced and replace block is not present in the SA/DL district.
Whether continuous defect information 312 expression DL clauses and subclauses represent the continuous DL clauses and subclauses of continuous defect piece, and if the DL clauses and subclauses are continuous DL clauses and subclauses, then these DL clauses and subclauses are continuous DL clauses and subclauses beginning or continuously end of DL clauses and subclauses.
Below, with reference to Fig. 7 and Fig. 8 continuous defect piece and continuous defect list of entries are described.
With reference to Fig. 7,1. to the unit that 7. refers to verify-after-write operation wherein and be performed.Recording unit records user data up to section and 1. goes up, and then returns section initial part 1., is that data are correctly recorded or defective occurs with inspection.If detect defective part, then this part is designated as defect area.Therefore, designated as the defective # 1 of defect area.Recording unit is recorded in the data that record among the defective # 1 in the SA/DL district again.The part that the data that record among the defective # 1 are recorded in wherein again is called replacement #1.Then, 2. recording unit records user data up to section, then returns section initial part 2., is that data are correctly recorded or defective occurs with inspection.If detect defective part, then this part is designated as defective #2.In an identical manner, produce the replacement # 2 corresponding with defective #2.Section 3. in, produce defective # 3 and replace #3.Owing to not detecting defective part at section in 4., therefore in this section, not having defect area.
When record and verification to section 4. after during the termination of precognition record operation #0 (when the user press ejector button or this record operate in the record of user data of distribution when finishing), recording unit records DL# 1 in the SA/DL district, described DL# 1 comprises with section 1. to defective # 1, the #2 of the 4. middle appearance information relevant with #3.
During record operation # 1,5. pen recorder records user data up to section, then returns section initial part 5., is that data are correctly recorded or defective occurs with inspection.If detect defective part, then this part is designated as defect area.By this way, owing to occur continuously as defective # 4 and the defective # 5 of defect area, so continuous blocks are designated as defect block.Pen recorder is recorded in the data that record among defective # 4 and the defective # 5 in the SA/DL district again.Then, 6. recording unit records user data up to section, then returns section initial part 6., is that data are correctly recorded or defective occurs with inspection.If defective # 6 and defective # 7 as defect area occur continuously, then continuous blocks are designated as defect block.Recording unit is recorded in the data that record among defective # 6 and the defective # 7 in the SA/DL district again.In section ⑦, do not detect defective part, so there is not defect area.When the precognition record operated the termination of #1, recording unit was recorded in DL# 2 in the SA/DL district, and DL# 2 comprises the information about defective # 4 to #7.
The defect block that occurs in the continuous position of user area is the continuous defect piece such as the defective that occurs among the record operation #1.The first defect block of this continuous defect piece is defective # 4, and last defect block is defective # 7.
The replace block of the continuous defect piece that replacement occurs in the precalculated position of user area continuously is recorded in the continuous position in SA/DL district.As shown in the SA/DL district, the replace block # 4 that replaces defect block # 4 is arranged.At the next position, the replace block # 5 that replaces defect block # 5 is arranged.At the next position, the replace block # 6 that replaces defect block # 6 is arranged.Then, at the next position, the replace block # 7 that replaces defect block # 7 is arranged.The first replace block in the replace block of replacement continuous defect piece is replace block # 4, and the last replace block of replacing these continuous defect pieces is replace block # 7.
When the continuous defect piece occurring at continuous position, because such characteristic, be that the defect block that comprises in the continuous defect piece is positioned at continuous position, therefore as long as known first position of continuous defect piece and the position of last piece, just can from first and at last the position of piece know the position of all the other pieces that comprise the continuous defect piece.Therefore, by only comprising about the information relevant with last defect block with the first defect block continuous defect piece in the information of defective, can reduce to record about the required space of the information of defective.This is applicable to replace the replace block of continuous defect piece too.
Therefore, as shown in Figure 8, show that the continuous defect list of entries of the information relevant with the continuous defect piece can comprise beginning clauses and subclauses and end entry.
With reference to Fig. 8, the continuous defect list of entries comprises beginning clauses and subclauses and end entry.The beginning clauses and subclauses all have the structure identical with the DL clauses and subclauses shown in Fig. 6 with end entry.The beginning clauses and subclauses comprise the information relevant with the first defective in the continuous defect, and end entry comprises the information relevant with the last defective in the continuous defect.
The beginning clauses and subclauses comprise: status information; The first defective block location in-formation, the first defect block in the expression continuous defect piece is recorded in the position in the user area; The first replace block positional information, the first replace block of expression replacement the first defect block is recorded in the position in the SA/DL district.End entry comprises: status information; Last defective block location in-formation, the last defect block in the expression continuous defect piece is recorded in the position in the user area; Last replace block positional information, the last replace block of the last defect block of expression replacement is recorded in the position in the SA/DL district.
Fig. 9 is the example of the replacement status information shown in Fig. 6 and continuous defect information.
With reference to Fig. 9, the position that status information is replaced in expression is " 0 " and " 1 ".If replace status information 311 and be " 1 " then the defect block corresponding with defective block location in-formation 320 is not replaced, only defective locations is illustrated.If replacing status information 311 is " 0 ", then the defect block corresponding with defective block location in-formation 320 replaced with replace block corresponding to replace block positional information 330.
The position of expression continuous defect information is " 00 ", " 01 " and " 10 ".If continuous defect information 312 is " 00 ", then the DL clauses and subclauses are not the continuous defect list of entries, but the individual defect list of entries.In this case, depend on the as an alternative value of status information setting, the defect block that the DL clauses and subclauses can represent to have the defect block of replacement or not have to replace.In the situation of the defect block with replacement, the DL clauses and subclauses have defective block location in-formation and replace block positional information.In the situation of the defect block that does not have to replace, the DL clauses and subclauses only have defective block location in-formation.
If continuous defect information 312 is " 01 ", then the DL clauses and subclauses represent the beginning clauses and subclauses of continuous defect list of entries.Therefore, as shown in Figure 8, these DL clauses and subclauses have first defective block location in-formation relevant with the continuous defect piece and the first replace block positional information relevant with continuous replace block.
If continuous defect information 312 is " 10 ", then the DL clauses and subclauses represent the end entry of continuous defect list of entries.Therefore, as shown in Figure 8, the DL clauses and subclauses have the last defective block location in-formation relevant with the continuous defect piece and the last replace block positional information relevant with continuous replace block.
Below, will the assignment that length is 3 bit patterns of 1 status information 311 and the length continuous defect information 312 that is 2 be described.
If described 3 hytes are combined into " 000 ", then the DL clauses and subclauses represent the state that individual defect list of entries and this individual defect piece about the individual defect piece have replace block.Therefore, the DL clauses and subclauses have defective block location in-formation and replace block positional information.
If described 3 hytes are combined into " 100 ", then the DL clauses and subclauses represent the state that individual defect list of entries and this individual defect piece about the individual defect piece do not have replace block.Therefore, the DL clauses and subclauses have defective block location in-formation, but do not have the replace block positional information.
If described 3 hytes are combined into " 001 ", then the DL clauses and subclauses represent the beginning clauses and subclauses of the continuous defect list of entries of continuous defect piece, and begin the defect block as the first defect block in the continuous defect piece corresponding to clauses and subclauses with this and have replace block.Therefore, the DL clauses and subclauses have the positional information relevant with the first defect block in the continuous defect piece and the positional information relevant with the first replace block in the continuous replace block of replacing the continuous defect piece.
If described 3 hytes are combined into " 010 ", then the DL clauses and subclauses represent the end entry of the continuous defect list of entries of continuous defect piece, and the defect block as last defect block in continuous defect piece corresponding with this end entry has replace block.Therefore, the DL clauses and subclauses have the positional information relevant with the last defect block in the continuous defect piece and the positional information relevant with the last replace block in the continuous replace block of replacing the continuous defect piece.
If described 3 hytes are combined into " 110 ", then the DL clauses and subclauses represent the end entry of the continuous defect list of entries of continuous defect piece, and the defect block as last defect block in continuous defect piece corresponding with this end entry do not have replace block.Therefore, the DL clauses and subclauses have the positional information relevant with the last defect block in the continuous defect piece, but not relevant with the last replace block in the continuous replace block of replacing continuous defect piece positional information.
Figure 10 A and Figure 10 B are the reference diagrams that illustrates according to the continuous defect information of the embodiment of the invention.
Figure 10 A represents the user area that user data is recorded in it, and Figure 10 B represents the SA/DL district that replace block and defect list are recorded in it.
With reference to Figure 10 A, appear at position, user area " 5 " as the individual defect piece a of the first defective.Continuous defect piece b, c, d and e as the second defect block appear at continuous position " 9 " to " 12 ".Continuous defect piece f, g, h and i as the 3rd defect block appear at continuous position " 17 " to " 20 ".
With reference to Figure 10 B, replace block and the defect list of the defect block that occurs in the user area as an alternative has been shown in the SA/DL district.
The single replace block a ' that replaces individual defect piece a is arranged in the position " 55 " in SA/DL district.The continuous replace block b ', c ', d ' and the e ' that replace continuously continuous defect piece b, c, d and e are arranged in the position " 56 " in SA/DL district to " 59 ".The defect list DL#k that is updated after the 4th continuous defect is recorded in position " 60 ".Continuous defect piece f, g, h and i do not have replace block.The information that comprises among the defect list DL#k shown in Figure 11 A.
Figure 11 A is the data structure diagram of the DL#k shown in Figure 10 B.
With reference to Figure 11 A, DL#k 400 comprises: DL identifier 410, DL refresh counter 420, DL number of entries 430 and 5 DL clauses and subclauses, i.e. DL clauses and subclauses # 1 440, DL clauses and subclauses # 2 450, DL clauses and subclauses # 3 460, DL clauses and subclauses # 4 470 and DL clauses and subclauses # 5 480.
DL clauses and subclauses # 1 440 is clauses and subclauses relevant with the individual defect piece a shown in Figure 10 A.In DL clauses and subclauses # 1 440, " 0 " is registered as the replacement status information, and " 00 " as continuous defect information, " 5 " as defective block location in-formation, " 55 " are the piece positional information as an alternative.
DL clauses and subclauses # 2 450 and DL clauses and subclauses # 3 460 comprise the continuous defect list of entries.
DL clauses and subclauses # 2 450 is beginning clauses and subclauses of continuous defect list of entries, and DL clauses and subclauses # 3 460 is end entry of continuous defect list of entries.That is, DL clauses and subclauses # 2 450 is clauses and subclauses relevant with the first defect block b in the continuous defect piece shown in Figure 10 A.In DL clauses and subclauses # 2 450, because defect block b is replaced, so " 0 " is registered as the replacement status information.Because DL clauses and subclauses # 2 450 is beginning clauses and subclauses of continuous defect list of entries, " 01 " is registered as continuous defect information." 9 " are registered as the positional information of defect block b, and " 56 " are registered as the positional information of replace block b '.
DL clauses and subclauses # 3 460 is clauses and subclauses relevant with the last defect block e in the continuous defect piece shown in Fig. 8.In DL clauses and subclauses # 3 460, because defect block e is replaced, so " 0 " is registered as the replacement status information.DL clauses and subclauses # 3 460 is end entry of continuous defect list of entries, so " 10 " are registered as continuous defect information." 12 " are registered as the positional information of defect block e, and " 59 " are registered as the positional information of replace block e '.
DL clauses and subclauses # 4 470 and DL clauses and subclauses # 5 480 comprise the continuous defect list of entries.
DL clauses and subclauses # 4 470 is beginning clauses and subclauses of continuous defect list of entries, and DL clauses and subclauses # 5 480 is end entry of continuous defect list of entries.That is, DL clauses and subclauses # 4 470 is clauses and subclauses relevant with the first defect block f in the continuous defect piece shown in Figure 10 A.In DL clauses and subclauses # 4 470, because defect block f is not replaced, so " 1 " is registered as the replacement status information.Because DL clauses and subclauses # 4 470 is beginning clauses and subclauses of continuous defect list of entries, " 01 " is registered as continuous defect information." 17 " are registered as the positional information of defect block f.Do not exist because replace the replace block of defect block f, so " 00 " is registered as the replacement positional information.
DL clauses and subclauses # 5 480 is clauses and subclauses relevant with the last defect block i in the continuous defect piece shown in Figure 10 A.In DL clauses and subclauses # 5 480, because defect block i is not replaced, so " 1 " is registered as the replacement status information.Because DL clauses and subclauses # 5 480 is end entry of continuous defect list of entries, " 10 " are registered as continuous defect information." 20 " are registered as the positional information of defect block i.Do not exist because replace the replace block of defect block i, so " 00 " is registered as the replace block positional information.
Figure 11 B is the structural drawing of the DL#k shown in Figure 10 B, and this DL#k also comprises the information about continuous defect list of entries quantity.
DL#k shown in Figure 11 B is similar to the DL#k shown in Figure 11 A, and difference is that the DL#k shown in Figure 11 B also comprises continuous defect list of entries quantity 490.With reference to Figure 10, because two continuous defect list of entries are arranged, so " 2 " are registered as continuous defect list of entries quantity 490.
By comprising the field for the quantity of continuous defect list of entries, need not search for all DL clauses and subclauses, just know the quantity of continuous defect list of entries in the defect list and the quantity of individual defect list of entries.As shown below, can calculate from the quantity of the quantity of DL clauses and subclauses and continuous defect list of entries the quantity of individual defect list of entries.
Individual defect list of entries quantity=DL number of entries-2 * continuous defect list of entries quantity.
Because the continuous defect list of entries comprises beginning clauses and subclauses and end entry, so can form top expression formula.
For example, in the DL#k shown in Figure 11 B, the quantity of individual defect list of entries can be calculated as " individual defect list of entries quantity=5-2 * 2=1 ".
Figure 11 C is the data structure diagram of the DL#k shown in Figure 11 B, and this DL#k also comprises: the information relevant with the quantity of the continuous defect list of entries with replacement status information " 0 "; And the information relevant with the quantity of the continuous defect list of entries with replacement status information " 1 ".
DL#k shown in Figure 11 C is similar to the DL#k shown in Figure 11 B, and difference is that the DL#k shown in Figure 11 C also comprises: the information 500 relevant with the quantity of the continuous defect list of entries with replacement status information " 0 "; And the information 510 relevant with the quantity of the continuous defect list of entries with replacement status information " 1 ".With reference to Figure 11 A, the continuous defect list of entries with replacement status information " 0 " is the continuous defect list of entries that comprises DL clauses and subclauses # 2 450 and DL clauses and subclauses # 3 460.Because having the quantity of the continuous defect list of entries of replacement status information " 0 " is 1, " 1 " is registered as the quantity 500 of the continuous defect list of entries with replacement status information " 0 ".Continuous defect list of entries with replacement status information " 1 " is the continuous defect list of entries that comprises DL clauses and subclauses # 4 470 and DL clauses and subclauses # 5 480.Because having the quantity of the continuous defect list of entries of replacement status information " 1 " is 1, " 1 " is registered as the quantity 510 of the continuous defect list of entries with replacement status information " 1 ".
Figure 12 is the process flow diagram that illustrates according to the defect management method of the embodiment of the invention.
With reference to Figure 12, in operation 1201, unit in data field the user data of recording unit wherein to carry out verify-after-write operation.Next, in operation 1202, the part of defective is appearred in the data of record in the operation 1201 with searching by verification.In operation 1203, control module 1 part of defective will occur and be appointed as defect area, again be recorded in the SA/DL district and replace the district to produce being recorded in data in the defect area, the information that generation is relevant with defect block and replace block, and with this information recording/in storer.Operation 1201 to 1203 is repeated, until foresee the termination of record operation.
Recorded user data when inputting according to the user, when perhaps having finished the record operation and foreseeing the termination of this record operation in operation 1204, in operation 1205, the control module 1 of pen recorder reads the information about defective that is stored in the storer.
If read about the information of defective in have information about continuous defect, then produce the continuous defect list of entries that comprises beginning clauses and subclauses and end entry, described beginning clauses and subclauses are corresponding with the information about the first defective of continuous defect, described end entry is corresponding with the information about last defective, and in operation 1206, also produce DL by comprising continuous defect information and replacing status information, described continuous defect information display defect is continuous defect or individual defect, and described replacement status information is presented in each DL clauses and subclauses whether have replace block.
In operation 1207, the DL of generation is recorded in the SA/DL district.
Disc defect management method described above also can be implemented as the computer-readable code that is stored on the computer readable recording medium storing program for performing.Described computer readable recording medium storing program for performing comprises the recording medium of all kinds that stores mechanized data.The example of described computer readable recording medium storing program for performing comprises ROM, RAM, CD-ROM, stereotape, floppy disk and optical data recording device.Computer readable recording medium storing program for performing can also be carrier wave (for example, through internet transmission).In the computer readable recording medium storing program for performing that is distributed to the computer system by network connection, can store and carry out the code that can be read by distributed method by computing machine.Can easily be released by the programmer of the technical field of the invention for function program, code, the code segment of realizing disc defect management method.
Although shown and described several embodiments of the present invention, it should be appreciated by those skilled in the art, in not breaking away from claim and equivalent thereof, limit in the situation of the principle of the present invention of its scope and spirit, can change these embodiments.
Utilizability on the industry
The present invention is applicable to optical record medium, recording/reproducing apparatus and the recording/reproducing method for defect management.
Claims (2)
1. method at recording data from optical recording medium, described method comprises:
Detect the continuous defect piece on the optical record medium;
Generation comprises the defect list of at least one continuous defect list of entries, described continuous defect list of entries comprise respectively with the continuous defect piece in the first defect block and last defect block begin accordingly clauses and subclauses and end entry,
Wherein, described beginning clauses and subclauses comprise that the positional information and being used for of status information, first defect block of the first defect block in the expression continuous defect piece replaces the positional information of the replace block of the first defect block; Described end entry comprises the positional information of the status information of the last defect block in the expression continuous defect piece, last defect block and is used for replacing the positional information of the replace block of last defect block, wherein, described status information comprises the whether continuous defect information of continuous defect piece of expression defect block
Wherein, described defect list also comprises the information about the quantity of continuous defect list of entries.
2. method from the optical record medium rendering data, described method comprises:
From optical record medium, reproduce the defect list comprise at least one continuous defect list of entries, described continuous defect list of entries comprise respectively with the continuous defect piece in the first defect block and last defect block begin accordingly clauses and subclauses and end entry,
Wherein, described beginning clauses and subclauses comprise that the positional information and being used for of status information, first defect block of the first defect block in the expression continuous defect piece replaces the positional information of the replace block of the first defect block; Described end entry comprises the positional information of the status information of the last defect block in the expression continuous defect piece, last defect block and is used for replacing the positional information of the replace block of last defect block, wherein, described status information comprises the whether continuous defect information of continuous defect piece of expression defect block
Wherein, described defect list also comprises the information about the quantity of continuous defect list of entries.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040000372 | 2004-01-05 | ||
| KR1020040000372 | 2004-01-05 | ||
| KR10-2004-0000372 | 2004-01-05 | ||
| KR1020040009846A KR100739679B1 (en) | 2004-01-05 | 2004-02-14 | Optical Recording medium and defect management apparatus |
| KR1020040009846 | 2004-02-14 | ||
| KR10-2004-0009846 | 2004-02-14 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNB2004800399393A Division CN100412956C (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/reproducing apparatus and recording/reproducing method |
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| CN101312061A CN101312061A (en) | 2008-11-26 |
| CN101312061B true CN101312061B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101097969A Active CN101312064B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/ reproducing device and method |
| CN2007101090645A Active CN101067953B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium recording/reproducing method |
| CNB2004800399393A Active CN100412956C (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/reproducing apparatus and recording/reproducing method |
| CN2008101097935A Expired - Fee Related CN101312061B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/ reproducing device and method |
| CN2008101097954A Active CN101312063B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/ reproducing device and method |
| CN200810109794XA Active CN101312062B (en) | 2004-01-05 | 2004-12-27 | Recording/ reproducing method |
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| CN2008101097969A Active CN101312064B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/ reproducing device and method |
| CN2007101090645A Active CN101067953B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium recording/reproducing method |
| CNB2004800399393A Active CN100412956C (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/reproducing apparatus and recording/reproducing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101097954A Active CN101312063B (en) | 2004-01-05 | 2004-12-27 | Optical recording medium, recording/ reproducing device and method |
| CN200810109794XA Active CN101312062B (en) | 2004-01-05 | 2004-12-27 | Recording/ reproducing method |
Country Status (4)
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| KR (1) | KR100739814B1 (en) |
| CN (6) | CN101312064B (en) |
| HK (1) | HK1103467A1 (en) |
| RU (3) | RU2462772C2 (en) |
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| US9460751B2 (en) * | 2013-09-16 | 2016-10-04 | Seagate Technology Llc | Binding shingled recording bands |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183161A (en) * | 1996-03-25 | 1998-05-27 | 株式会社东芝 | Method for replacement for optical disc, and an optical disc |
| US6160778A (en) * | 1999-03-08 | 2000-12-12 | Matsushita Electric Industrial Co., Ltd. | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3132754B2 (en) * | 1997-09-08 | 2001-02-05 | インターナショナル・ビジネス・マシーンズ・コーポレ−ション | Recording apparatus, recording medium, and recording control method |
| EP1455358B1 (en) * | 1998-07-28 | 2013-09-04 | LG Electronics, Inc. | Method and apparatus of recording data in the optical recording medium |
| KR100421845B1 (en) * | 1998-09-26 | 2004-04-17 | 엘지전자 주식회사 | optical recording medium and method for managing a defective area |
| JP2002025198A (en) * | 2000-07-05 | 2002-01-25 | Matsushita Electric Ind Co Ltd | Defect management method for information recording device |
| KR100462602B1 (en) * | 2002-04-13 | 2004-12-20 | 삼성전자주식회사 | Method for recording/reproducing audio/video data in a disk drive |
| DE60331859D1 (en) * | 2002-12-11 | 2010-05-06 | Lg Electronics Inc | PROCESS FOR A UNIQUE DESCRIPTABLE OPTICAL DISC |
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2004
- 2004-12-27 CN CN2008101097969A patent/CN101312064B/en active Active
- 2004-12-27 CN CN2007101090645A patent/CN101067953B/en active Active
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- 2004-12-27 CN CN2008101097935A patent/CN101312061B/en not_active Expired - Fee Related
- 2004-12-27 CN CN2008101097954A patent/CN101312063B/en active Active
- 2004-12-27 CN CN200810109794XA patent/CN101312062B/en active Active
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- 2007-07-18 HK HK07107734.9A patent/HK1103467A1/en unknown
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- 2008-01-16 RU RU2008101795/28A patent/RU2471254C2/en active
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183161A (en) * | 1996-03-25 | 1998-05-27 | 株式会社东芝 | Method for replacement for optical disc, and an optical disc |
| US6160778A (en) * | 1999-03-08 | 2000-12-12 | Matsushita Electric Industrial Co., Ltd. | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2462772C2 (en) | 2012-09-27 |
| CN1902687A (en) | 2007-01-24 |
| KR100739814B1 (en) | 2007-07-13 |
| CN101312062A (en) | 2008-11-26 |
| RU2008101796A (en) | 2009-07-27 |
| HK1103467A1 (en) | 2007-12-21 |
| CN101067953A (en) | 2007-11-07 |
| KR20070043734A (en) | 2007-04-25 |
| CN100412956C (en) | 2008-08-20 |
| RU2008101795A (en) | 2009-07-27 |
| RU2473978C2 (en) | 2013-01-27 |
| RU2008101797A (en) | 2009-07-27 |
| CN101312063A (en) | 2008-11-26 |
| CN101312061A (en) | 2008-11-26 |
| CN101312064B (en) | 2010-12-08 |
| CN101312063B (en) | 2011-12-28 |
| RU2471254C2 (en) | 2012-12-27 |
| CN101312064A (en) | 2008-11-26 |
| CN101067953B (en) | 2010-09-29 |
| CN101312062B (en) | 2012-11-28 |
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