CN100485790C - Recording medium and method for recording and reproducing data on and from the same - Google Patents

Recording medium and method for recording and reproducing data on and from the same Download PDF

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Publication number
CN100485790C
CN100485790C CNB2005800086891A CN200580008689A CN100485790C CN 100485790 C CN100485790 C CN 100485790C CN B2005800086891 A CNB2005800086891 A CN B2005800086891A CN 200580008689 A CN200580008689 A CN 200580008689A CN 100485790 C CN100485790 C CN 100485790C
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CN
China
Prior art keywords
recording
groove
recording medium
data
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005800086891A
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Chinese (zh)
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CN1954371A (en
Inventor
金进镛
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LG Electronics Inc
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LG Electronics Inc
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Filing date
Publication date
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Publication of CN1954371A publication Critical patent/CN1954371A/en
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Publication of CN100485790C publication Critical patent/CN100485790C/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
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • 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
    • G11B7/00736—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
    • G11B20/12—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
    • G11B2020/1278—Physical format specifications of the record carrier, e.g. compliance with a specific standard, recording density, number of layers, start of data zone or lead-out
    • G11B2020/1279—Permanent information and control data stored in the PIC zone of a Blu-Ray 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
    • G11B2020/1285—Status of the record carrier, e.g. space bit maps, flags indicating a formatting status or a write permission
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • 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
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Abstract

A recording medium and a method for recording and reproducing data on and from the recording medium are provided. Identification information, indicating which one of an in-groove recording method and an on-groove recording method has been or will be used to record data, is recorded in a specific area, such as a Burst Cutting Area (BCA) and a Permanent Information & Control data (PIC) area, of a recording medium such as a Blue-ray Disc (BD) on which a land and a groove are formed. The on-groove recording method or the in-groove recording method selected based on the identification information recorded in the specific area is used to record or reproduce data on or from the recording medium. This allows the in-groove recording method to be backward-compatibly applied to recording media.

Description

Recording medium and be used for thereon or from its record and method of reproducing data
Technical field
The present invention relates to form thereon ridge and groove such as the recording medium of Blu-ray disc (BD) and be used on recording medium and from recording medium recording and method of reproducing data.
Background technology
Along with the new high density compact disc that can store overlength high quality audio and video data, develop fast such as the standardization that can rewrite Blu-ray disc (BD-RE), expectation is exploitation and a large amount of Related product of commercialization in the near future.
As shown in fig. 1, BD-RE has such dish structure, wherein sequentially arranges clamper district, zone of transition, burst cut-out district (BCA) and Lead-In Area in the inside of coiling, in the center section array data district of dish, and the periphery arrangement leading-out zone that is coiling.
Lead-In Area is divided into first protection (Guard 1) district, Yong Jiuxinxi ﹠amp; Control data (PIC) district, second protection (Guard 2) district and best power control (OPC) district.First protected location in the Lead-In Area and PIC district are the prerecorded zone of record data in advance wherein.Other zones, data field and the leading-out zone of Lead-In Area is the rewritable area that wherein can repeat write data.
The PIC district is the zone of wherein storing permanent main dish information.In the PIC district, form high frequency modulated (HFM) groove.Bi-phase modulated HFM groove is with disc information as shown in Figure 2.
Along with the development of BD-RE, read-only BD is being discussed between the member of BD association (that is, BD-ROM) maybe can writing down BD (that is standardization BD-R), with one-time write.For example, BD-R has inner region, clamper district, zone of transition, block of information and marginarium, as shown in Figure 3.The block of information is divided into wherein with the BCA of barcode standard recorded information and the PIC district of disc information wherein.
BD-RE uses record on the groove, wherein at the groove identifying recording layer, as shown in Figure 4.
On the groove record be wherein groove than the recording method on the beam inlet surface of the more approaching dish of ridge.This expression is forced down when observing time slot from the end face of dish.
On the other hand, can wherein be coated in dish by rotation and go up coated dye by the BD-R of manufacture method manufacturing cheaply in the mode identical with common CD-R.For the jittering characteristic of the BD-R that improves manufacturing, as shown in Figure 5 in groove in the groove of record data record be more suitable for such as wherein on the groove of groove identifying recording layer, writing down shown in Fig. 4.
In the groove record be wherein groove than the recording method on the beam inlet surface of the farther separation disc of ridge.This expression is raised when observing time slot from the end face of dish.
Yet,, select to be suitable for the reproducting method of the CD in the equipment of being inserted into need the reproducting method of recording method on corresponding respectively to the groove neutralization chamber such as the compact disk equipment of dish register or disk player if with the record data in BD-R of recording method in the groove.Yet, the effective scheme that needs at this is not provided as yet, and is badly in need of providing this effective solution.
Summary of the invention
Therefore, consider that the problems referred to above make the present invention, and target of the present invention provides the method that is used for management information, and the indication of this information has been used and maybe will have been used on the groove in the recording method and groove in the recording method which to form the recording medium identifying recording layer of ridge and groove thereon.
Another target of the present invention provides a kind of method, it is used for selecting being suitable for having write down with recording method on the groove or groove recording method thereon or with the record and the reproducting method of the recording medium of record data, thereby suitably on recording medium with from recording medium recording with reproduce data.
Another target of the present invention provides a kind of recording medium, and it can be with the information of recording method record data in recording method on the groove or the groove and the recording method of management designation data.
According to an aspect of the present invention, can be by being provided for finishing above-mentioned and other targets in the method for recording medium identifying recording layer, this method comprises: the record identifying information, any being used in the recording method in recording method and the groove on this identifying information indication groove at the specific region of recording medium record data, wherein, this specific region is assigned to and can rewrites Blu-ray disc (BD-RE) maybe can write down the burst of Blu-ray disc (BD-R) and cut off district (BCA) and Lead-In Area, and at least one that makes that this information can distinguish (BCA) and the Lead-In Area from this burst cut-out reads.
According to another aspect of the invention, provide be used for/from recording medium recording/method of reproducing data, this method comprises: (a) determine to have used and maybe will use on the groove in the recording method and groove any in the recording method at the recording medium identifying recording layer; (b) as the result of step (a) on recording medium or from recording medium recording or reproduce data, wherein, this step (a) is based on the burst that is recorded in recording medium and cuts off identifying information in district (BCA) or the Lead-In Area.
Preferably, recording medium is can rewrite Blu-ray disc (BD-RE) maybe can write down Blu-ray disc (BD-R), and the specific region is distributed to burst cut-out district (BCA) or the Lead-In Area of recording medium.The specific region can be distributed to the Yong Jiuxinxi ﹠amp of Lead-In Area; Control data (PIC) district.
Preferably, on the identifying information indication groove recording method or on groove the reserved state the recording method.
In accordance with a further aspect of the present invention, provide be used for/from recording medium recording/method of reproducing data, this method comprises: (a) to be recorded in the data in the specific region in the recording medium corresponding to the decoding of the reproducting method of recording method on the groove; If (b) can not normally decode, then reproduce data with recording method record data in the groove or with reproducting method corresponding to recording method in the groove with reproducting method corresponding to recording method on the groove.
Preferably, the specific region is the PIC zone of bi-phase modulated.
Preferably, step (b) comprises if can not normally decode with the reproducting method corresponding to recording method on the groove, then change be used for or from recording medium recording or reproduce the step of the servo operation of data.
Description of drawings
Included accompanying drawing provides further understanding of the present invention, and it illustrates the preferred embodiments of the present invention, and is used from explanation principle of the present invention with description one.
Fig. 1 illustrates the dish structure that can rewrite Blu-ray disc (BD-RE);
Fig. 2 is illustrated in the Yong Jiuxinxi ﹠amp of BD-RE; High frequency modulated (HFM) groove that forms in control data (PIC) district;
Fig. 3 illustrates the dish structure of recordable Blu-ray disc (BD-R);
Fig. 4 illustrates recording method on the exemplary groove;
Fig. 5 illustrates recording method in the exemplary groove;
Fig. 6 illustrates the structure according to recording medium of the present invention; With
Fig. 7 illustrates the structure of compact disk equipment, to its use according to of the present invention be used for from recording medium recording and method of reproducing data.
According to one or more embodiment, represent identical, equivalent or similar feature, element or aspect by feature of the present invention, element and aspect that the same reference numbers in the different views is represented.
Embodiment
Referring now to accompanying drawing specifically describe recording medium and be used for preferred embodiment from recording medium recording according to the present invention and method of reproducing data.
The present invention not only can be applicable to BD-R and also can be applicable to other various types of Blu-ray disc such as BD-RE and BD-ROM.Data record method according to the present invention can be applied to write the equipment of BD-R etc., and data recording according to the present invention and reproducting method can be applied to compact disk equipment such as dish register or disk player.
The identifying information that is used for method for recording data in the data field of the BD-R shown in Fig. 6 in the specific region of BD-R indicated in the applied disc apparatus record of writing of data record method according to the present invention.
As shown in Figure 6, can be in the BCA of BD-R with the zone bit (for example, record mark) of recording method in recording method or the groove on the format record indication groove of bar code.Can be in the PIC district of BD-R record mark position and dish information (DI) together.Record mark position in one or two that can be in BCA and PIC district.
If zone bit is " 1 ", recording method on its indication groove, and if zone bit be " 0 ", recording method on recording method or indication reserved state rather than the groove in its indication groove.
If zone bit indication reserved state, register system bring into use on the default groove recording method with from the dish record with reproduce data.Yet, not decoded as the HFM signal in the PIC district of fruit tray, determine that corresponding recording method is recording method but not recording method on the groove in the groove, and the track reversing.This provides the extensibility of the method that records medium (that is, dish), can be after making with recording method record data in the groove, and also allow register system keep with support groove only on the compatibility of existing record system of recording method.By distributing reserved state to provide these benefits to zone bit.
Data recording and reproducting method according to another embodiment of the present invention can be applied to such as the compact disk equipment that coils register or read-only disk player.As shown in Figure 7, the dish register can comprise optical pick-up 11, register system 12, scrambler 13, Play System 14, demoder 15, microcomputer 16 and storer 17.
If in BD-R 10 insertion equipment, the zone bit of the work of microcomputer 16 controls playing systems 14 to confirm in the BCA of the BD-R 10 that is inserted or PIC district, to write down.
If the zone bit of confirming be " 1 ", microcomputer 16 determined or will on the BD-R with groove on the recording method record data, and therefore with recording method record data on the groove or with playback method reproduction data corresponding to recording method on the groove.If the zone bit of confirming is " 0 ", microcomputer 16 determined or will on the BD-R with the method that is different from recording method on the groove (promptly, recording method in the groove) record data, and therefore reproduce data with recording method record data in the groove or with playback method corresponding to recording method in the groove.
In another embodiment of the present invention, microcomputer 16 is at first by passing through the data in the PIC district of bi-phase modulated HF (high frequency) modulation corresponding to the reproducting method decoding of recording method on the groove.If decoding is normally carried out, microcomputer 16 determined or will on the BD-R with groove on the recording method record data, and therefore keep recording method on the groove and corresponding to the reproducting method of recording method on the groove.
On the other hand, if decoding is not normally carried out, microcomputer 16 determined or will on the BD-R with the recording method that is different from recording method on the groove (promptly, with recording method in the groove) record data, and therefore will write down and reproducting method changes recording method in the groove into and corresponding to groove in the reproducting method of recording method carry out data recording and reproduction afterwards.
As in the above-mentioned description obvious, according to recording medium of the present invention and be used for the advantage that has from recording medium recording and method of reproducing data be, can recording method be applied to recording medium backwards-compatiblely in the groove of improved jittering characteristic with having.
Although disclose the preferred embodiments of the present invention for purposes of illustration, those skilled in the art will recognize, under situation about not breaking away from as the additional disclosed scope and spirit of the present invention of claim, various modifications, additional and to substitute be possible.

Claims (10)

1. method that is used at the recording medium identifying recording layer, this method comprises:
The record identifying information, which record data in the specific region of recording medium in the recording method in recording method and the groove on this identifying information indication use groove,
Wherein, this specific region is assigned to and can rewrites the burst that Blu-ray disc (BD-RE) maybe can write down Blu-ray disc (BD-R) and cut off district (BCA) and Lead-In Area, and at least one that makes that this information can distinguish (BCA) and the Lead-In Area from this burst cut-out reads.
2. the method for claim 1, wherein this specific region is assigned to the permanent information of Lead-In Area and control data (PIC) district.
3. the method for claim 1, wherein reserved state beyond the recording method on recording method or the groove on this identifying information indication groove.
4. one kind is used in that the recording medium identifying recording layer/from the method for recording medium reproducing data, this method comprises:
(a) determine to have used and maybe will use on the groove in the recording method and groove any in the recording method at the recording medium identifying recording layer; With
(b) as the result of step (a) at the recording medium identifying recording layer or from the recording medium reproducing data,
Wherein, this step (a) is based on the burst that is recorded in recording medium and cuts off identifying information in district (BCA) or the Lead-In Area.
5. method as claimed in claim 4 wherein, writes down identifying information in the permanent information of Lead-In Area and control data (PIC) district.
6. method as claimed in claim 4, wherein, this step (b) comprises that as the result of step (a) control is used at the recording medium identifying recording layer or from the step of the servo operation of recording medium reproducing data.
7. one kind is used in that the recording medium identifying recording layer/from the method for recording medium reproducing data, this method comprises:
(a) data in the specific region of recording medium, to write down corresponding to the reproducting method decoding of recording method on the groove; With
(b), then reproduce data with recording method record data in the groove or with reproducting method corresponding to recording method in the groove if can not normally decode with reproducting method corresponding to recording method on the groove.
8. method as claimed in claim 7, wherein, this specific region is a Lead-In Area.
9. method as claimed in claim 8, wherein, this specific region is the PIC district of the bi-phase modulated of Lead-In Area.
10. method as claimed in claim 7, wherein, this step (b) comprises if can not normally decode with the reproducting method corresponding to recording method on the groove, then changes to be used at the recording medium identifying recording layer or from the step of the servo operation of recording medium reproducing data.
CNB2005800086891A 2004-03-16 2005-03-15 Recording medium and method for recording and reproducing data on and from the same Expired - Fee Related CN100485790C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040017780 2004-03-16
KR20040017780 2004-03-16
KR1020050018221 2005-03-04

Publications (2)

Publication Number Publication Date
CN1954371A CN1954371A (en) 2007-04-25
CN100485790C true CN100485790C (en) 2009-05-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100970590B1 (en) * 2008-08-01 2010-07-16 도시바삼성스토리지테크놀러지코리아 주식회사 Apparatus and method of discrimating media kind of optical recording media

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CN1954371A (en) 2007-04-25

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