CN101572099B - Method for recording on optical recording medium and apparatus using the same - Google Patents
Method for recording on optical recording medium and apparatus using the same Download PDFInfo
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- CN101572099B CN101572099B CN2009101488149A CN200910148814A CN101572099B CN 101572099 B CN101572099 B CN 101572099B CN 2009101488149 A CN2009101488149 A CN 2009101488149A CN 200910148814 A CN200910148814 A CN 200910148814A CN 101572099 B CN101572099 B CN 101572099B
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Abstract
A method and apparatus for recording on an optical recording medium, including the recording of management information, are described as a standard for the write-once Blu-ray disc. The management information is recorded in a management area of the disc, such as a temporary defect management area (TDMA), and includes record status information and update information. The record status information isa space bitmap (SBM) indicating whether a recording operation has been performed for a predetermined area of the disc, and the update information is SBM update information indicating whether the reco rd status information is to be continuously managed. The SBM update information controls the state of an SBM-on/off function for each of a plurality of recording areas and may be in the form of eitherstart position information and length information corresponding to the respective areas or an SBM update flag. The SBM update information is recorded in the TDMA and is stored in a memory of an optic al disc recording/reproducing device for use during recording and reproducing operations. At the time of recording in the predetermined area, an SBM-on state enables a logical overwriting operation tobe performed as necessary.
Description
The application be the application people for LG Electronics Inc., the applying date be that November 27, application number in 2003 are 200380110102.9 (international application no is PCT/KR2003/002597), are entitled as the dividing an application of patented claim of " method that records at optical record medium and the device that uses it ".
Technical field
The present invention relates to optical record medium, relate in particular at optical record medium, method and apparatus such as the upper record of write-once blu-ray disc (BD-WO), wherein the record with random pattern is managed by the records management information that comprises space bit map (SBM) on CD, so that optionally actuating logic rewrites (LOW) operation.
Background technology
Use the data recording device of optical read/write device and medium according to their write capability or flexible by rough classification.In read-only optical record medium, those use CD-ROW and DVD-ROM form, write capability just do not had.Freely carry out in the compact disk standards of multiple write operations in known permission, this class of CD-RM, DVD-RAM, DVD-RW and DVD+RW, they are compact disc and the DVDs that can write.
Another aspect, WORM class CD is used as the data storage device that requires high storage capacity.But this class CD has the flexible restriction of record, and is to use in the application that write-once is repeatedly read.These comprise CD-R and DVD-R class, and they are recordable compact disc and DVD.
Simultaneously, novel high density DVD, namely known blu-ray disc is developed, and they are to use royal purple laser to be used for the high-capacity CD-ROM of record high quality audio and video data.Blu-ray disc adopts CD-RW form, i.e. known BD-RE.The standard of blu-ray disc comprises that also those are used for CD-WORM, i.e. known BD-WO CD, standard.
In above-mentioned optical record medium types, surperficial imperfection and defective produce in their manufacturing, processing or use.Therefore, the method that is used for management of defective areas is used during data recording operation, so that data reproduction can normally be carried out.
According to Fig. 1, for the optical recording that uses with the optical record medium 102 such as BD-RE or BD-WO format disc/reproduction device 100, from main frame (or controller) 200 receive datas/order input.Optical disc recording/reproducing device 100 disposes optical pickup apparatus 104, is used for data writing to the optical record medium that inserts or sense data therefrom; Servomechanism 106 is used for the control optical pickup apparatus and finishes suitable tracking and keep a controlled distance with the optical record medium surface simultaneously; Data processor 108 is processed to the data of optical pickup apparatus or is processed data from optical pickup apparatus by returning to from the reproducing signal that optical pickup apparatus receives the expectation signal value or being used for being sent to CD by the tracer signal that modulation receives from main frame; Interface 110 is used for transmission of signal between main frame and recording/reproducing apparatus; Microcomputer 112 is used for control recoding/reproduction device; With storer 114, be used for the various information that storage program and interim storage comprise defect management information and data.Under main frame 200 and stored program control, optical pickup apparatus 104 is read (or writing) data of storing on the CD, provide data-signal to input to data processor 108 and be used for reproduction processes and output, and use the specific region that data is write CD from the write signal output of data processor.During write operation, optical disc recording/reproducing equipment 100 is according to via the order input of main frame 200 and the program receiving data stream (or simulating signal of coding) that is stored on the storer 114 and is carried out by microcomputer 112 with export write signal to optical pickup apparatus 104.
Fig. 2 illustrates the recording areas structure of the CD with a recording layer, is used for being equipped with the BD-RE type CD that Fig. 1 equipment uses together and is divided into assignment zone (assigned area).Assigned area is substantially included in introduces the data field that arranges between the district (LIA) and draw-out area (LOA).The data field comprises that one is closed on the inner spare area (ISA) of introducing the district and the outer spare area (OSA) of closing on the draw-out area.
As mentioned above, optical disc recording/reproducing device 100 is processed and is write on the CD by bunch ground from the input data of main frame 200 and with data, and it is corresponding with error correction code character unit.If in the write operation process, detect the existence of defect area in the data field, optical disc recording/reproducing device 100 is carried out a series of replacement write operations, thereby will write in two spare areas one (such as Fig. 2 take ISA as shown in the example) with the corresponding aggregate of data of the defect area that is detected.Therefore, replace defect area by the defect area aggregate of data being write the spare area, can from the spare area, read and rendering data, like this, even when CD also can prevent the generation of write error during at the data field defectiveness, thereby the security of data and the integrality of data have been guaranteed.
Except defect area data writing bunch, positional information is recorded among a plurality of defect managements or the DMA, and as defect management information, DMA is included in the DMA1 that introduces district's configuration and DMA2 and at DMA3 and the DMA4 of draw-out area configuration.Positional information comprises bunch positional information that relates to defect area, its replacement district etc., is recording or during present stage defect area can be managed again simultaneously.
In the situation of BD-RE CD, all be possible owing in any posting field of CD, rewrite, can not consider logging mode and freely use whole CD.Like this, the CD managing on the BD-RE CD is not in-problem comparatively speaking.Simultaneously, the BD-WO CD does not have rewrite capability, so CD managing is faced with larger challenge, because can only carry out data recording one time in any specific zone of CD.
Under any circumstance, the management of defect area is vital in data recording process, and especially for for the high density DVD of blu-ray disc, but existing BD-WO standard is inadequate, and this problem is that the use by pluratity of recording layers causes.Need to formulate unified standard for adapting to the growing optical storage of data that requires of business system.
Summary of the invention
Therefore, the present invention relates to the method that records at optical record medium, and use its device, they fully solve the one or more problems that caused by the limitation of prior art and shortcoming.
Be designed to solve the target of the present invention of foregoing problems, be to be provided at optical record medium such as the method and apparatus that is used for record on the BO-WO CD, the recording status information of CD can be recorded and manage under the recorded at random pattern and can be made about the decision that actuating logic rewrites according to the recording status of CD thus thus.
Another object of the present invention is to provide unified standard for recordable optical recording medium.
Another object of the present invention is to provide the standard with the rewritable optical record media compatibility.
Another object of the present invention is to provide the more effective ways about defective area management during data recording on the recordable optical recording medium.
Another object of the present invention is to be provided at the method that records on the optical record medium, uses the method can improve the security of data and the integrality of data.
Another object of the present invention is to provide the method about records management information on optical record medium, and the method is applicable to have the CD that pre-determines recording areas on a plurality of recording layers.
Another object of the present invention is to provide the method about records management information on optical record medium, the method can according to from the requirement of main frame by adaptive application.
Another object of the present invention is to provide the method about records management information on optical record medium, and the method can adapt to the continuous version of medium.
Another object of the present invention is to provide the optical record medium that adopts said method.
Another object of the present invention is to provide the device that is applicable to above-mentioned optical record medium.
Additional features of the present invention and advantage will be illustrated in the following description, and simultaneously by being learnt to examination described below or by enforcement of the present invention, they are apparent to persons skilled in the art partially.Purpose of the present invention and other advantages will especially be also included within the theme of pointing out in the accompanying drawing by theme and be realized and reach in instructions and claims.
For reach these purposes and other advantages according to the present invention, as embodied and broadly described herein, a kind of method that records at optical record medium is provided, this method is included in the step of records management information on the optical record medium, management information comprises that indication operates the recording status information that whether has been performed for the record that pre-determines the district of optical record medium, upgrades the information whether recording status information is managed continuously that is used to refer to simultaneously.
Another aspect of the present invention, be to provide a kind of method that records at optical record medium, this method comprises the steps: records management information in the directorial area of optical record medium, management information comprises that indication pre-determines the recording status information of recording status of the record in district/not about optical record medium, upgrades the information whether the indication recording status information is managed continuously simultaneously; Read in the management information of record; And the information based on upgrading determines whether to upgrade recording status information.
Another aspect of the present invention, be to provide a kind of method that records at optical record medium, this method comprises the steps: records management information in the directorial area of optical record medium, and management information comprises that indication pre-determines about optical record medium and distinguishes record/the be not recorded management information of state; And when recording status information indication when pre-determining the recording status in district, the actuating logic rewrite operation.
Another aspect of the present invention is to be provided at optical record medium record and the device from wherein reproducing, and it comprises: main frame, and it is used for requiring pre-determining district's identifying recording layer in the recording medium data field; And data recording/reproducing device, it is for the treatment of the management information of recording medium, this management information comprise indication pre-determine the record in district non-/ information of recording status, wherein said recoding/reproduction device determines to pre-determine the recording status in district based on recording status information, and determine whether to upgrade recording status information, if determine that this pre-determines the district is that posting field and recording status information will be updated, carry out so substituting-the record operation is so that with the other places of data recording in the data field of fate.
Another aspect of the present invention, be to provide a kind of optical record medium, comprise: at least one recording layer that contains a plurality of assigned area that are useful on record, assigned area comprises directorial area, wherein management information is recorded in directorial area, management information comprises that having indicated whether to carry out the record that pre-determines the district that is used for optical record medium operates, and upgrades the information whether the indication recording status information will be managed continuously.
Following detailed description relates in particular to the write-once blu-ray disc.Yet other write-once type optical record mediums also can adopt the described method and apparatus in this aspect.In addition, although the suitableeest usage of CD-ROM BD-WO form, the CD that ultimate principle of the present invention also can be used extended formatting adopts, but comprises rewritable format, is used for improving the security of data and the integrality of data.
Can be understood that aforementioned explanation of the present invention and following detailed description are exemplary and tell-tale, and provide further explanation for the claim of this aspect.
Description of drawings
Further aim of the present invention and advantage can be understood more completely by the description below in conjunction with accompanying drawing, wherein:
Fig. 1 is the block diagram of association area optical disk recording/reproducing system;
Fig. 2 is the diagram that illustrates for the method for management rewritable optical record medium defect area, and described optical record medium is used for using in system shown in Figure 1 such as the BD-RE CD;
Fig. 3 is the block diagram of recordable optical recording medium according to the present invention such as BO-WO CD, and it illustrates the method for records management information;
Fig. 4 is the diagram in the TDFL sample record stage of record diagram 3;
Fig. 5 is the diagram of the SBM of Fig. 3;
Fig. 6 is the SBM diagram of the sample group of new logo more that is included in the TDDS of Fig. 3;
Fig. 7 is a kind of diagram that records operator scheme that illustrates according to the present invention in the process that optical record medium records, and is used for the relation between explanation SBM-ON/OFF (SBM-on/off) function and the logical overwrite performance;
Fig. 8 is the diagram that the another kind of operator scheme in the process that optical record medium records according to the present invention is shown, and is used for the relation between explanation SBM-ON/OFF (SBM-on/off) function and the logical overwrite performance; And
Fig. 9 is the diagram that has the optical record medium of a plurality of recording layers according to of the present invention.
Embodiment
Most preferred embodiment of the present invention will provide detailed reference, and example illustrates by reference to the accompanying drawings.All the time be that identical element uses same or analogous title in the accompanying drawings.
Generally speaking, rewrite operation is the duplicate record in the specific region of re-writable recording medium, and similarly, is the inherent characteristic of CD-RW.Yet, in the situation of Write-once optical disc, if having the zone of having recorded in the data field, so because the inherent characteristic of this CD can not realize overwrite function in this zone physically.Therefore, the present invention uses logical overwrite (LOW), rewrites to be different from " physics ".That is to say, behind the use state (that is, having recorded or record not) of each of determining a plurality of assigned area of CD, according to the present invention in the specific region of CD in the case of necessary actuating logic rewrite.Do like this, observed the inherent characteristic of CD-WORM.Adopt the usage of CD-ROM state of ultimate principle of the present invention to determine based on the space bit map that is stored in temporary defect management area (TDMA) (SBM).
The term part of using in the following description of the present invention is used based on known DVD technical field is conventional, and part is the result of new principle reorganization of the present invention simultaneously.For example, above-mentioned SBM comprises and each corresponding data bitmap of a plurality of assigned area of optical record medium that it comprises at least one bit for this each bunch of recording areas.The present invention also adopts the SBM-on/off function, thereby for situation about recording on the CD specific region, according to user's operation, the producer's design or the continuous management (renewal) that SBM was enabled or forbidden to Host Command.The state of SBM-on/off function is determined for each assigned area of CD that based on the SBM lastest imformation SBM-of described lastest imformation control respective regions upgrades.Determine according to the first and second aspects of the present invention lastest imformation.
Referring to Fig. 3, show the CD-WORM of single-recordng-layer, except the zone of BD-RE CD, adopt the BD-WO CD of the inventive method also to comprise TDMA, it comprises the TDMA2 that is arranged in the TDMA1 in the LIA0 and is arranged in outer spare area (OSA0).In BD-WO according to the present invention, the alternate data corresponding with defect area is recorded in ISA0 and/or the OSA0, follow the step identical with the defect management carried out in the BD-RE CD.On the other hand, disc management information is recorded in the TDMA.Here, disc management information relates to the information of managing defective area together with realizing other management information essential to the invention, i.e. SBM lastest imformation.
Defect management (DMA) generally includes a plurality of zones for each recording layer, for example, and DMA1, DMA2, DMA3 and DMA4.Utilizing Write-once optical disc to finish any record during the stage, the final value of TDMA information must be transferred into and be recorded in DMA.Therefore, TDMA is interim DMA.
In the situation that can re-write CD, data can repeatedly be write DMA and therefrom be wiped, so can realize suitable CD managing with the recording areas that is the less of DMA reservation.In the situation of CD-WORM, in case data are recorded in a certain zone, this regional registering capacity is just in fact destroyed, and the same area again can not record any other data.Therefore, Write-once optical disc needs the directorial area of greater room.
The TDMA1 of CD has fixed size in LIA0 as shown in Figure 3, and the size of TDMA2 is relevant with the size of LOA0.For example, TDMA2 can consist of by m bunch, wherein for m=(k * 256)/4 and 1≤k≤64 of single-layer optical disc.
If necessary, disc management information is recorded among each above TDMA in the record cell, its one bunch of being defined as being made of 32 section.Disc management information according to the present invention comprises temporary defect table (TDFL), determine the space bit map (SBM) of record status and the interim disc definition structure (TDDS) of upgrading for each record case.By a bunch preparation TDDS information, bunch be minimum record cell wherein, and be recorded together with the renewal of each TDFL or SBM, to comprise the information that except conventional disc management information, relates to recording status.Like this, for each renewal, with TDFL and TDDS to or SBM and TDDS be recorded in the TDMA, therefore it is a plurality of so right to record if necessary, each TDFL and TDDS are to occupying j bunch, simultaneously each SBM and TDDS be to occupying one bunch, and consist of above-mentioned arbitrary last right section with TDDS.Do like this, can confirm by an end that reads in the recording areas in the TDMA TDDS information of renewal.Here, cognoscible is that identical facilitation TDDS confirms will be by being done at section 0 interior placement TDDS.
Fig. 4 illustrates the method that records TDFL such as Fig. 3 according to of the present invention.TDFL is the information list of series of steps that replaces the defect area of (substituting record) data field for management with the spare area, simultaneously, in the individual layer situation, occupies one to four bunches (1≤j≤4) according to the size of defect map.
Got by Fig. 4, each renewal of TDFL causes other TDFL and TDDS to being recorded in the TDMA.Here, suppose for example at the reproducting periods first time, the record that two defective items (defective item 1 and defective item 2) arranged, the renewal second time that has added the 3rd defective item can produce the TDFL that has the 3rd defective item except the first two defective item, comprises defective item 1,2,3 TDFL thereby generated.In the same way, next TDFL be can generate by the execution of upgrading for the third time, defective item 1,2,3 and 4 renewal TDFL comprised with record.By cumulative record defective item in this way, so that can be determined by confirming final TDFL about the complete form of the defective item of whole CD, thereby the record operation simplified.Like this, as long as final TDFL remains valid, defective item can be confirmed safely, even defective has appeared in aforementioned one or the TDFL how to have recorded, for example, in the first or second TDFL that upgrades.
The SBM of Fig. 3 is used for determining the usage of CD-ROM state, comprises simultaneously the information that can be applicable to the whole recording areas of CD.It is recording areas or not recording areas for expressing corresponding bunch that the bit of SBM is assigned to each bunch.Like this, recording areas can by bit value " 1b " determine and not recording areas can pass through bit value " 0b " definite, vice versa.Therefore, by reading SBM, the recording areas of whole CD and not recording areas can be identified.
That is to say, method of the present invention can be by simply reading in the SBM one or more recording areas of identification and one or more not recording areas, can not consider simultaneously the order that records and determine each regional recording status of CD, in other words, though as under the recorded at random pattern with without the sequential mode executive logging time.Therefore, if information will freely be recorded on the CD-WORM, the SBM management is essential so.
Referring to Fig. 5, this SBM is comprised of three main fields, comprises the stem that can identify SBM, describes the data of this SBM itself, and specifies the termination part of SBM end.Stem comprises the recording layer information of naming recording layer, i.e. L1 or L0 are so the current SBM of multiplayer optical disk All Ranges can be designated.This SBM is prepared (that is, being recorded) according to each zone of CD, no matter be single-layer optical disc or multiplayer optical disk, comprises simultaneously start position information, that is, and and the first physical sector number of starting cluster, length information, data bitmap and reserved field.Like this, as long as the recording status of each recording layer specific region changes and need renewal as long as expectation is recorded, then upgrade this TDDS.Importantly, about what whether the SBM to the given area upgraded determine and to be performed when needing at user, disc manufacturer, main frame/controller (hereinafter referred to as making main frame).
According to first preferred embodiment of the present invention, the state of this SBM-on/off function determines that by SBM information described SBM information comprises start position information and the length information of this CD given area.The SBM-in a certain zone opens state and enables this regional SBM-renewal.Here, use the data bitmap in zone to carry out the SBM-renewal, use described data according to the reference position of this respective regions and the storing value of length.For this SBM-on/off function being set as " pass " thus the SBM-in a certain zone of forbidding upgrades, start position information and length information that this is regional are set to particular value, for example, zero setting.
By upper, according to the multiple range of requests of the very fast suitable main frame of SBM-on/off function of the present invention.For example, if need to be on the BD-WO CD real time record, then do not carry out defect management.Like this, described spare area is not used in replacement-record, and does not need the SBM-of this spare area to upgrade.In such cases, only be that user data area can be by sustainable management, other zones need not to carry out SBM-and upgrade.Here, what can be realized is, if as long as the disc management information in this directorial area (non-user data area) changes, SBM just is updated, this is recurrent situation, then will become impossible very soon because the restriction of the size of SBM recording areas is upgraded lasting SBM-, described SBM recording areas is positioned at TDMA in one embodiment of the invention.Alternately more under the news, uses the management of the further recording status of SBM information to become impossible at All Ranges at discontinuous SBM-, is included in user data area.Therefore, because this user data area needs existing SBM actuating logic to rewrite certainly, preferably should upgrade the zone of removing the operation such as the management area from SBM-, in order to be that this user data block reservation is upgraded.In order to carry out this record scheme according to this Host Command, described SBM-on/off function can be used to only carry out the SBM-renewal of this user data area, take this each regional start position information and length information zero setting by will not upgrading, the SBM-of forbidding every other zone (namely except those extra-regional zones to be updated) upgrades.Be appreciated that, the present invention is not limited only to use according to the CD assigned area arbitrary example of SBM-on/off function, such as above-mentioned example, SBM-on/off function of the present invention is that adaptability is optional simultaneously, makes system designer SBM-be opened state than any desired combined programming of SBM-off status according to the predetermined assignment of disc area.
According to second most preferred embodiment of the present invention, the state of SBM-on/off function by one group be recorded in the TDDS SBM more new logo determine that one of them SBM more is newly assigned to each assigned area of CD.Described SBM more new logo can with the start position information that is used for each zone (each of first embodiment) and use or also can use separately by length information.This SBM more new logo can be by a byte representative, so in the double-layer CD that is divided into 8 zones, each zone will be assigned to a bit.Like this, whether in two values one gives each zone in order to indicate this regional state assignment, namely should will be updated in the zone.
Referring to Fig. 6, be the SBM example of new logo more of described TDDS, " 0b " value record will carry out in the zone of continuous updating, and " 1b " value is recorded the zone of not carrying out renewal simultaneously.Like this, in double-layer CD, suppose that Host Command only carries out SBM-to user data area and upgrades, then various SBM more the record of new logo can upgrade to user data area (placing " opening ") and simultaneously remaining zone forbidding is upgraded (placing " pass ").Clearly, flag b2 and b5 are all " opening " and flag b0, b1, b3, b4, b6 and b7 are all " pass ".When having an above-mentioned SBM more the CD of new logo is put into video disc recording/rewriting device, read this sign, to determine whether to upgrade the SBM of a certain specific region on the CD.
Except one group of above-mentioned SBM new logo more, the described recorded disc management information that comprises in the TDDS of Fig. 3 also comprises each the first physical sector number of last TDFL and last SBM.Comprise the first physical sector number of last TDFL and last SBM, so that can find out their positions separately by reading in TDDS, detect current known defect area and the use state of CD.Here, the first physical sector number is the address of first section in respective cluster and usually occupies four bytes that described last TDFL or SBM comprise nearest lastest imformation simultaneously.
Be recorded in disc management information in the TDDS and further comprise the first physical sector number for optimum power calibration (OPC) available (useful) bunch, it is used by video disc recording/rewriting device in order to carry out the operation of test write and read, with the most effective laser power setting that is identified for recording, and this always needs.Therefore, do not consider the state (opening or closing) that SBM-upgrades, comprise the first physical sector number of available OPC bunch, upgrade situation about only can use user data area in order to adapt to SBM-, in the case, placing OPC bunch of user data area outside (for example in LIA0) to upgrade from SBM-gets rid of.By always record this information in TDDS, this OPC bunch can need to be accessed arbitrarily constantly, even respective regions forbidding SBM-upgrades.
Fig. 7 and Fig. 8 show respectively according to of the present invention such as the record operator scheme on the recordable optical recording medium of BD-WO CD, in order to the relation between SBM-on/off function and the logical overwrite performance to be described.Here, the example of Fig. 7 is considered a kind of disk format, does not consider therein record operation and fixedly the spare area is big or small, and the example of Fig. 8 is considered a kind of disk format, and the spare area size is adaptive according to data recording operation therein.
As shown in Figure 7 and Figure 8, if the data recording of record order request on a certain posting field A-B from main frame, then need the replacement record operation for data, but taking this logical overwrite operation used according to the invention is recorded in the data of expecting in a certain constituency of described data field, that is, in replacing district A '-B '.Like this, even in the situation of CD-WORM, main frame can not consider also whether the specific region of CD really is recorded and orders and carry out record, so that CD-WORM can be simulated by logical overwrite the performance of CD-RW.
In the process of executive logging order, the first step is to read SBM to confirm the use state in this zone, namely is recorded on above-mentioned recording areas A-B.If request " rewriting ", data are replaced-are recorded in the data field of replacing district A '-B ', simultaneously corresponding defect management information is recorded in the TDMA as TDFL information, to finish the record order of expectation.Therefore, if the as above A-B data of the CD of record are reproduced in the main frame expectation, so above-mentioned optical disc recording/reproducing device is with reference to the defect management information that has recorded and reproduce the data that are stored in A '-B ' district, replaces being stored in the data in A-B district.
Before using method actuating logic of the present invention rewrite operation, the existing record state in the CD respective regions must accurately be determined.That is to say that in the situation of the renewal disc management information (being existing SBM) that does not have to continue, logical overwrite can not be finished.
A kind of operator scheme, corresponding with Fig. 7 example, in table 1, sum up.
Table 1
As shown in table 1, it is just can carry out that logical overwrite only is in "On" state in the SBM updating mark, makes it can be by continuous updating.Should " logical overwrite " replace record data, namely therefore the LOW data are recorded in user data area, preferably are in user data area ending place.Here, the availability of assigned spare area ("Yes" or "No") determines whether defect management is allowed to, but this SBM more new logo (" opening " or " pass ") determine whether logical overwrite is allowed to.
Another kind of operator scheme, corresponding with Fig. 8 example, in table 2, sum up.
Table 2
As shown in table 2, logical overwrite only can be performed when two conditions reach simultaneously, and namely the SBM-on/off function can be used, and namely is set to " opening " and makes it can be by continuous updating, and assigned spare area can be used simultaneously.Like this, can be used for the LOW data in compact disc defect administration period spare area and also be used for the record replacement cluster.Here, only when being " opening ", the SBM-on/off function confirms recording status, simultaneously only actuating logic rewriting when assigned spare area exists.
Fig. 9 most preferred embodiment according to the present invention shows the SBM-on/off function.The SBM-on/off function determines that with respect to each of a plurality of assigned area on the CD with a plurality of recording layer L0 and L1 described each recording layer comprises inner area, inner spare area, user area, outer spare area and outside area.In above-mentioned double-layer CD situation, the inner area of the first recording layer L0 becomes introduces the district, and the inner area of the second recording layer L1 becomes the draw-out area simultaneously.This forms on the contrary with the situation of single-layer optical disc, and the outside area of single-layer optical disc is defined as the draw-out area.In a configuration of above-mentioned BD-WO CD, the ISA1 size is p * 256 bunch, 1≤p≤64 wherein, and the OSA1 size is q * 256 bunch simultaneously, wherein 1≤q≤32.
Show each regional reference position and record direction for the preferred version that effective record is provided.It should be noted that each regional reference position is determined according to its record direction, and the change of arbitrary region record direction can correspondingly change this regional reference position.
In the device that uses the inventive method, optical disc recording/reproducing device 100 shown in Fig. 1, when an optical disc recording medium such as the BD-WO dish inserted this device, all existing disc management informations at first were read out and are stored in and are used in the storer 114 in video disc recording and/or reproduction operating period use.Like this, this SBM and SBM more new logo be included in the stored disc management information.Be used for order from main frame 200 at a certain specific region of CD record data, the positional information that this is regional, namely reference position and length information are input in the optical data recording/reproducing device 100 together with the data that will be recorded.Microcomputer 112 receiving record orders, and according to positional information, determine that based on the disc management information that is stored in the storer 114 zone that will record is recording areas or not recording areas.Then microcomputer 112 determines whether to upgrade this regional SBM based on the recording status of this specific region.If the SBM-on/off function has recording status simultaneously for " opening " in should the zone, being used for the replacement of defect area-record will carry out in the data field elsewhere, as shown in Figure 7 and Figure 8, and upgrades subsequently this SBM.
Yet in the situation of Fig. 8, in the spare area of data field, carry out replacement-record.Therefore, be that namely the spare area is in the SBM-off status in the situation of " opening " at user data area only at SBM-on/off function state, do not carry out SBM-in the spare area and upgrade.
What should be noted that is, according to the present invention, described SBM information (especially, start position information and length information) and SBM more both or one or the other in the new logo can be stored in 114 li of the storeies of said apparatus, can be accessed and use in case of necessity during operation.Do like this, described according to the first and second aspects of the present invention method can be implemented, such as separately or in the lump realizing of expectation.
Commercial Application:
As mentioned above, by adopting method and apparatus of the present invention, the recording status information that coils this type of optical record medium such as double-deck BD-WO can be recorded and be managed under the recorded at random pattern.Make the decision that rewrites about actuating logic according to the recording status of this CD subsequently.The unified standard that openly can be used as recordable optical recording medium of the present invention is used, it in addition simultaneously and the rewritable optical record media compatibility, thereby provide more effective method to strengthen security and the integrality of data for the defective area management during the enterprising row data record of recordable optical recording medium.Can be by the application of selectivity with any request of response from main frame about each regional SBM-on/off function of CD.In addition, by adopting the present invention, CD-WORM can be simulated by logical overwrite operation the characteristic of CD-RW, takes this to replace-data in recording defect district.This replacement-record can be carried out in directorial area or user data area arbitrary zone wherein, thereby can adapt to the continuous version of medium.
Those of ordinary skills be it is evident that the various modifications and variations that the present invention makes do not deviate from the spirit and scope of the present invention.Like this, mean that the present invention has covered these modifications and variations they are positioned within appended claim and their the equivalent scope.
Claims (17)
1. method that is used for recording data to the recordable optical recording medium with recording layer, described recording layer comprises the data field, described data field has user data area, inner spare area and outer spare area, and described user data area forms by a plurality of bunches, and the method may further comprise the steps:
With disc definition structure is to being recorded to temporary defect management area temporarily, described temporary defect table comprises defective item with the temporary defect table; And
With space bit map and interim disc definition structure to being recorded to temporary defect management area, described space bit map comprises the recording layer information of naming described recording layer and the start position information of specifying the first physical sector number of starting cluster, wherein said interim disc definition structure comprises the disc management information of record, and the disc management information of described record comprises each the first physical sector number of last temporary defect table and last space bit map.
2. the method for claim 1 is characterized in that, also comprises step:
When the record of finishing described optical record medium, last temporary defect table and last space bit map are recorded to defect management.
3. method as claimed in claim 1 or 2 is characterized in that, described optical record medium comprises the first recording layer and the second recording layer.
4. device that records data to the recordable optical recording medium with recording layer, described recording layer comprises the data field, described data field has user data area, inner spare area and outer spare area, and described user data area forms by a plurality of bunches, and described device comprises:
Pick-up is configured to record data to optical record medium; And
Microcomputer is configured to control described pick-up,
Wherein said pick-up is configured the temporary defect table and disc definition structure is to being recorded to temporary defect management area temporarily, and described temporary defect table comprises defective item; And be configured space bit map and interim disc definition structure being recorded to temporary defect management area, described space bit map comprises recording layer information and start position information, described recording layer information is named described recording layer, and described start position information is specified the first physical sector number of starting cluster
Wherein said interim disc definition structure comprises the disc management information of record, and the disc management information of described record comprises each the first physical sector number of last temporary defect table and last space bit map.
5. device as claimed in claim 4 is characterized in that, pick-up is configured to when the record of finishing described optical record medium, and last temporary defect table and last space bit map are recorded to defect management.
6. such as claim 4 or 5 described devices, it is characterized in that described optical record medium comprises the first recording layer and the second recording layer.
7. such as claim 4 or 5 described devices, it is characterized in that, also comprise:
Servomechanism is configured to control pick-up and keeps certain distance with respect to described optical record medium simultaneously to finish suitable tracking; And
Data processor is configured to process the data that will be recorded to described optical record medium.
8. one kind is used for from the method for the recordable optical recording medium rendering data with recording layer, described recording layer comprises the data field, described data field has user data area, inner spare area and outer spare area, and described user data area forms by a plurality of bunches, and the method may further comprise the steps:
Reproduce temporary defect table and interim disc definition structure pair from temporary defect management area, described temporary defect table comprises defective item; And
From temporary defect management area reproduction space bitmap and interim disc definition structure pair, described space bit map comprises recording layer information and start position information, described recording layer information is named described recording layer, and described start position information is specified the first physical sector number of starting cluster;
Wherein said interim disc definition structure comprises the disc management information of record, and the disc management information of described record comprises each the first physical sector number of last temporary defect table and last space bit map.
9. method as claimed in claim 8 is characterized in that, also comprises step:
If when the record of recording medium has been finished, reproduce last defect map and last space bit map from defect management.
10. method as claimed in claim 8 or 9 is characterized in that, also comprises step:
Based on the temporary defect table that reproduces from temporary defect management area or based on the data of the last defect map reproducing that reproduces from defect management in the replacement district that replaces defect area.
11. method is characterized in that as claimed in claim 8 or 9, also comprises step:
Determine based on the space bit map of reproducing from temporary defect management area or based on the last space bit map of reproducing from defect management whether the specific region that is required record data contains the data that have been recorded.
12. method is characterized in that as claimed in claim 8 or 9, also comprises step:
Determine based on the space bit map of reproducing from temporary defect management area or based on the last space bit map of reproducing from defect management whether the specific region that is required record data contains the data that have been recorded; And
Be recorded data if the specific region is contained, the data that are required to record are recorded to another zone in the data field.
13. device from recordable optical recording medium rendering data with recording layer, described recording layer comprises the data field, described data field has user data area, inner spare area and outer spare area, and described user data area forms by a plurality of bunches, and described device comprises:
Pick-up is configured from the optical record medium rendering data; And
Microcomputer is configured to control described pick-up,
Wherein said pick-up is configured to reproduce temporary defect table and interim disc definition structure pair from temporary defect management area, and described temporary defect table comprises defective item; And be configured from temporary defect management area reproduction space bitmap and interim disc definition structure pair, described space bit map comprises recording layer information and start position information, described recording layer information is named described recording layer, and described start position information is specified the first physical sector number of starting cluster;
Wherein said interim disc definition structure comprises the disc management information of record, and the disc management information of described record comprises each the first physical sector number of last temporary defect table and last space bit map.
14. device as claimed in claim 13 is characterized in that, described pick-up is configured to, if when the record of described optical record medium finished, reproduces last defect map and last space bit map from defect management.
15. such as claim l3 or 14 described devices, it is characterized in that, described pick-up is configured to, based on the temporary defect table that reproduces from temporary defect management area or based on the data of the last defect map reproducing that reproduces from defect management in the replacement district that replaces defect area.
16. such as claim 13 or 14 described devices, it is characterized in that, described microcomputer is configured to, and determines based on the space bit map of reproducing from temporary defect management area or based on the last space bit map of reproducing from defect management whether the specific region that is required record data contains the data that have been recorded.
17. such as claim 13 or 14 described devices, it is characterized in that, described microcomputer is configured to, determine based on the space bit map of reproducing from temporary defect management area or based on the last space bit map of reproducing from defect management whether the specific region that is required record data contains the data that have been recorded, if and the specific region contains and be recorded data, the data that are required to record are recorded to another zone in the data field.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0013327 | 2003-03-04 | ||
| KR1020030013327 | 2003-03-04 | ||
| KR20030013327 | 2003-03-04 | ||
| KR20030015932 | 2003-03-14 | ||
| KR10-2003-0015932 | 2003-03-14 | ||
| KR1020030015932 | 2003-03-14 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801101029A Division CN100517491C (en) | 2003-03-04 | 2003-11-27 | Method for recording on optical recording medium and apparatus using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101572099A CN101572099A (en) | 2009-11-04 |
| CN101572099B true CN101572099B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801101029A Expired - Lifetime CN100517491C (en) | 2003-03-04 | 2003-11-27 | Method for recording on optical recording medium and apparatus using the same |
| CN2009101488149A Expired - Fee Related CN101572099B (en) | 2003-03-04 | 2003-11-27 | Method for recording on optical recording medium and apparatus using the same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801101029A Expired - Lifetime CN100517491C (en) | 2003-03-04 | 2003-11-27 | Method for recording on optical recording medium and apparatus using the same |
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| CN (2) | CN100517491C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8009528B2 (en) * | 2007-06-14 | 2011-08-30 | Mediatek Inc. | Method for recovering management information of a recording medium and apparatus therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5475820A (en) * | 1990-09-17 | 1995-12-12 | Hewlett-Packard Company | Method for using one of two storage directories only after the other directory is full for write management in a disk device |
| CN1134017A (en) * | 1994-11-18 | 1996-10-23 | 索尼公司 | Data recording medium management method, data recording medium management device and data recording medium |
-
2003
- 2003-11-27 CN CNB2003801101029A patent/CN100517491C/en not_active Expired - Lifetime
- 2003-11-27 CN CN2009101488149A patent/CN101572099B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5475820A (en) * | 1990-09-17 | 1995-12-12 | Hewlett-Packard Company | Method for using one of two storage directories only after the other directory is full for write management in a disk device |
| CN1134017A (en) * | 1994-11-18 | 1996-10-23 | 索尼公司 | Data recording medium management method, data recording medium management device and data recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1757071A (en) | 2006-04-05 |
| CN101572099A (en) | 2009-11-04 |
| CN100517491C (en) | 2009-07-22 |
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