EP1779380A1 - Procede et appareil d'enregistrement de donnees sur support d'enregistrement - Google Patents

Procede et appareil d'enregistrement de donnees sur support d'enregistrement

Info

Publication number
EP1779380A1
EP1779380A1 EP05771070A EP05771070A EP1779380A1 EP 1779380 A1 EP1779380 A1 EP 1779380A1 EP 05771070 A EP05771070 A EP 05771070A EP 05771070 A EP05771070 A EP 05771070A EP 1779380 A1 EP1779380 A1 EP 1779380A1
Authority
EP
European Patent Office
Prior art keywords
area
entry
data
replacement
recording
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.)
Withdrawn
Application number
EP05771070A
Other languages
German (de)
English (en)
Other versions
EP1779380A4 (fr
Inventor
Yong Cheol Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020040085290A external-priority patent/KR101012378B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1779380A1 publication Critical patent/EP1779380A1/fr
Publication of EP1779380A4 publication Critical patent/EP1779380A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/00458—Verification, i.e. checking data during or after recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
    • 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
    • G11B2020/10898—Overwriting or replacing recorded data
    • G11B2020/10907—Overwriting or replacing recorded data using pseudo-overwriting, i.e. virtually or logically overwriting data on WORM media by remapping recorded blocks to alternate areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1288—Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
    • 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
    • G11B2020/1873—Temporary defect structures for write-once discs, e.g. TDDS, TDMA or TDFL
    • 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
    • G11B2220/25—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

Definitions

  • the present invention relates to an optical disc, and more particularly, to a method and apparatus of recording data on a recording medium.
  • the present invention is suitable for a wide scope of applications, it is particularly suitable for differentiating and managing LOW and DFL entries, so as to enhance recording and reproducing efficiency of data.
  • BD-RE Blu-ray RE-writable disc
  • FIG. 1 the BD-RE is allocated with a lead-in area, a data zone, and a lead-out area.
  • An inner spare area (ISA) and an outer spare area (OSA) are respectively allocated at a fore end and a rear end of the data zone.
  • the BD-RE is recorded in cluster units, which correspond to a predetermined recording unit. Referring to FIG. 1, whether or not a defect area exists within the data zone can be detected during the recording of the data.
  • a series of replacement recording operations is performed, such as replacement recording the data that is intended to be recorded in the defect area in a spare area ⁇ e.g., the inner spare area (ISA) ) .
  • a position information of the detected defect area and a position information of the replacement recorded spare area are recorded and stored in a defect list (DFL) within the lead-in area as management information. Therefore, since the data that is to be recorded in the defect area is replacement recorded in the spare area, the data replacement recorded in the spare area is read and reproduced, instead of the data of the defect area, thereby preventing in advance a data recording/reproducing error from occurring.
  • the recordable blu-ray disc (BD-R) has recently been under development.
  • the present invention is directed to a method and apparatus of recording data on a recording medium that substantially obviate one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention is to provide an efficient linear replacement method for overwriting data and managing defect areas on an optical recording medium, such as the optical disc.
  • a method of recording data on a recording medium having a lead-in area, a lead-out area, and a data zone, the data zone having a user data area and a spare area includes recording first data in a first replacement area when a command for physically overwriting the first data in a first area within the user data area is received and the first area is included in a pre-recorded area, recording a first entry in a temporary disc management area (TDMA) , the first entry specifying locations of the first area and the first replacement area, recording second data in a second replacement area when a command for recording the second data in a second area within the user data area is received and the second area is found to be defective, and recording a second entry in the TDMA, the second entry specifying locations of the second area and the second replacement area.
  • TDMA temporary disc management area
  • an apparatus of recording data on a recording medium having a lead-in area, a lead-out area, and a data zone, the data zone having a user data area and a spare area includes an optical recording device configured to record data on the recording medium, and a microcomputer providing control signals to the optical recording device to record first data in a first replacement area when a command for physically overwriting the first data in a first area within the user data area is received and the first area is included in a pre-recorded area, and to record a first entry in a temporary disc management area (TDMA) , the b
  • TDMA temporary disc management area
  • the microprocessor further provides control signals to the optical recording device to record second data in a second replacement area when a command for recording the second data in a second area within the user data area is received and the second area is found to be defective, and to record a second entry in the TDMA, the second entry specifying locations of the second area and the second replacement area.
  • FIG. 1 illustrates a structure of a general re-writable optical disc and a method for managing defects
  • FIG. 2 illustrates a logical overwriting method in a recordable optical disc according to the present invention
  • FIG. 3 illustrates a method for managing defects in the recordable optical disc according to the present invention
  • FIG. 4 illustrates a DFL entry of the recordable optical disc according to the present invention
  • FIG. 5 illustrates a LOW entry of the recordable optical disc according to the present invention
  • FIG. 6 illustrates a method for recording LOW entry of the recordable optical disc according to the present invention
  • FIG. 7 illustrates a DFL header of the recordable optical disc according to the present invention
  • FIG. 8 illustrates a LOW entry of the recordable optical disc according to another embodiment of the present invention
  • FIG. 9 illustrates an applied example of the LOW entry and the DFL entry according to the present invention
  • FIG. 10 illustrates a block diagram of an optical recording and reproducing apparatus according to the present invention.
  • FIG. 2 illustrates a logical overwriting method in a recordable high density optical disc according to the present invention.
  • the recordable high density optical disc is allocated with a lead-in area, a data zone, and a lead-out area.
  • the data zone includes an inner spare area (ISA) , an outer spare area (OSA) , and a user data area, wherein actual user data is recorded.
  • the lead-in area is used as an area for recording diverse management information for recording/reproducing data on/from the optical disc.
  • the lead-in area is provided with a temporary disc management area (TDMA) , which is an area for recording defect management information and recording management information of the optical disc.
  • the TDMA may be allocated with a separate Additional TDMA within a spare area for defects that may frequently occur during the use of the optical disc and for updating the recording management information.
  • a command for writing a new set of data in the user data area in which data is to be recorded may be given (or made) by a user or a host.
  • a method of replacement recording the data that is intended to be recorded on the pre-recorded area is performed on the user data area or the spare area.
  • a method of replacement recording the data on a next writable (or recordable) user data area or a method of replacement recording the data on the spare area is used. This is referred to as a Logical Overwrite (LOW) , which is different from the physical overwriting.
  • LOW Logical Overwrite
  • FIG. 3 illustrates a method for managing defects in the recordable optical disc according to the present invention.
  • a defect area may be detected while recording or reproducing data of a user data area within the data zone.
  • the defect also includes an area that is currently not defective but which may become defective in a near future.
  • the defect area may occur due to contamination or scratch on the surface of the optical disc. And, when such a defect area occurs, the data that is to be recorded on the defect area or a data that is already recorded is replacement recorded on the spare area within the data zone. After replacement recording the data as described above, the position information of the defect area and the replacement recorded area is recorded in the TDMA as a Defect List (DFL) entry. Therefore, when reproducing data in a later process, reference is made to the DFL entry information in order to I U
  • FIG. 4 illustrates a DFL entry of the recordable optical disc according to the present invention.
  • the DFL entry is allocated with a total of 64 bits. 4 bits are allocated to each of a "Status 1" field and a "Status 2" field, which indicate entry status information, 28 bits are allocated to a "Defective Cluster first PSN” field, wherein a first physical sector number (PSN) of a defective cluster is recorded, and 28 bits are allocated to a "Replacement Cluster first PSN” field, wherein a first physical sector number (PSN) of a replacement cluster is recorded.
  • PSN physical sector number
  • the first PSN of the defective cluster is recorded in the "Defective Cluster first PSN” field as the position information of the defect area
  • the first PSN of the replacement cluster is recorded in the "Replacement Cluster first PSN” field as the position information of the replacement area in which the data is replacement recorded.
  • the defect area is the size of one cluster
  • the defect is registered as a Re-Allocated Defect (RAD) type.
  • RAD Re-Allocated Defect
  • a 1 OOOO' bit is recorded in each of the "Status 1" and “Status 2" fields in order to indicate that the defect is an RAD type.
  • the defect is XX
  • L 1 KD Contiguous Re-allocated Detect
  • two DFL entries are used. More specifically, when the defect area is the CRD type, a first PSN of a first defective cluster is recorded in the "Defective Cluster first PSN" field of the first DFL entry, and a first PSN of a first replacement recorded cluster is recorded in the "Replacement Cluster first PSN” field. In addition, a first PSN of the last cluster among the defective clusters is recorded in the "Defective Cluster first PSN" field of the second DFL entry, and a first PSN of the last cluster among the replacement recorded clusters is recorded in the "Replacement Cluster first PSN" field of the second DFL entry.
  • a 1 OOOO' bit indicating that replacement recording has been performed is recorded in the "Status 1" field of the first DFL entry of the CRD type.
  • a ⁇ 0001' bit indicating a start (or beginning) address of the consecutive defective clusters is recorded in the "Status 2" field of the first DFL entry of the CRD type.
  • a ⁇ 0000' bit indicating that replacement recording has been performed is recorded in the "Status 1" field of the second DFL entry, and a ⁇ 0010' bit indicating an end address of the consecutive defective clusters is recorded in the "Status 2" field of the second DFL entry.
  • FIG. 5 illustrates a LOW entry of the recordable optical disc according to the present invention.
  • the LOW entry is allocated with 64 bits, which is similar to the DFL entry, and includes a "Status 1" field, an "Original Cluster first PSN” field, a "Status 2" field, and a "Replacement Cluster first PSN” field. More specifically, a position information of a pre-recorded area in which overwriting of data is to be performed is recorded in the "Original Cluster first PSN” field. And, a position information of a replacement recorded area is recorded in the "Replacement Cluster first PSN" field.
  • a first bit of the "Status 1" field is changed and recorded as a '1000' bit.
  • a ⁇ x000' bit indicates an RAD type, which is a replacement type for one defective cluster.
  • a ⁇ x001' bit indicates a start (or beginning) of the LOW entry among the entries of the CRD type, and a ⁇ x010' bit indicates an end of the LOW entry among the entries of the CRD type.
  • the first bit is a field for indicating whether replacement recording of the logical overwriting is been performed on the user data area or on the spare area.
  • the first bit is v 0xxx'
  • replacement recording is performed on the user data area
  • the first bit is l lxxx'
  • the replacement recording is performed on the spare area.
  • FIG. 6 illustrates a method for recording LOW entry of the recordable optical disc according to the present invention.
  • the data that is to be recorded on the corresponding area may be replacement recorded on a next recordable (or writable) area within the user data area, as described above.
  • the replacement recording may also be performed on the spare area.
  • the logical overwriting is performed on the recordable high density- optical disc, the corresponding position information is recorded in the TDMA as the LOW entry.
  • the example shown in FIG. 6 illustrates the logical overwriting being performed on a plurality of consecutive clusters, and so the LOW entry is recorded as the entry of the CRD type.
  • the entry of the CRD type is expressed by using two entries.
  • a ⁇ 1000' bit representing the LOW entry is recorded in the "Status 1" field of the first entry, and a first physical sector number (PSN) 'a' of the first cluster of the overwritten area is recorded in a next "Original Cluster first PSN" field.
  • PSN physical sector number
  • a ⁇ 0001' bit indicating a start (or beginning) among the CRD type entries (or the first entry) is recorded in the "Status 2" field, and a first PSN l c' of the first cluster of the replacement recorded area is recorded in the "Replacement Cluster first PSN" field.
  • a ⁇ 1000' representing the LOW entry is recorded in the "Status 2" field of the second entry, and a first PSN x h' of the last cluster of the overwritten area is recorded in the "Original Cluster first PSN" field.
  • a v 0010' bit indicating an end among the CRD type entries (or the second entry) is recorded in the "Status 2" field, and a first PSN *d' of the last cluster of the replacement recorded area is recorded in the "Replacement Cluster first PSN" field. Since the example of the replacement recording of the logical overwriting being performed on the user data area is illustrated in FIG. 6, the "Status 2" field is recorded as 1 OxXX' bits.
  • the "Status 2" field would be recorded as ⁇ lxxx' bits.
  • the "Status 1" field By indicating the LOW entry by using one of the 4 bits of the "Status 1" field, the LOW entry can be managed differently from the DFL entry.
  • FIG. 7 illustrates a DFL header of the recordable optical disc according to the present invention.
  • the DFL header is a set of information being recorded in the TDMA as Temporary Defect List (TDFL) information.
  • the TDFL consists of the DFL header and a list of defects, wherein entry information according to the present invention is recorded.
  • the DFL header includes a "DFL identifier" field, a "DFL format” field, and a "DFL Update Count” field.
  • the DFL header also includes a field indicating the number of each entry.
  • a number of DFL entries is recorded in a "number of DFL entries” field, and a number of RAD and CRD type entries among the DFL entries is recorded in a "number of RAD/CRD entries” field.
  • a nlMW ⁇ kWM /N&B type entries among the DFL entries is recorded in a "number of NRD entries” field, and a total number of LOW entries is recorded in a "number of LOW entries” field. Therefore, by using the above-described DFL header information, the optical disc drive can identify the total number of the required and necessary entries .
  • FIG. 8 illustrates a LOW entry of the recordable optical disc according to another embodiment of the present invention.
  • a 1 IlIl' bit is recorded in the "Status 1" field, which differentiates the LOW entry. More specifically, in order to indicate the LOW entry, all of the 4 bits of the "Status 1" field is indicated as 1 I' .
  • the "Status 1" field is recorded as 1 IlIl', not only can the LOW entry be differentiated from the DFL entry, but also only the LOW entry can be aligned in a separate area from the DFL entry. In other words, all of the DFL entry and the LOW entry are recorded in the list of defects of the TDFL within the TDMA.
  • the LOW entry may be aligned in an area different from the DFL entry.
  • the first bit of the "Status 1" field is a bit that is irrelevant from the entry alignment. Therefore, when the "Status 1" field is recorded as 1 IOOO' in the above-described 1 I
  • FIG. 9 illustrates an applied example of the LOW entry and the DFL entry according to the present invention. Particularly, FIG.
  • Step 9 illustrates an example of logical overwriting or defect management being performed in accordance with the following process steps: (1) Step 1: logically overwriting data A' for area Xl; (2) Step 2: logically overwriting data B for area X2, wherein replacement recording of the logical overwriting for the area Xl is performed; and
  • Step 3 when the area X2 is detected as a defect area, replacement recording data to a spare area Yl. More specifically, when a host initially transmits a writing (or recording) command for recording data A' for area Xl having data A recorded therein, overwriting cannot be performed on the area Xl. Therefore, the data A' is replacement recorded on a next recordable area X2. Subsequently, when data B is to be recorded on the area X2, wherein the replacement recording has been performed, in accordance with the host's demand, the data B is replacement recorded on another next recordable area X3 because area X2 is already a data-recorded area.
  • Step 1 and Step 2 are recorded as the LOW entry
  • Step 3 is recorded as the DFL entry.
  • the area Xl is to be reproduced in a later process
  • the data A' should be reproduced, the data A' being replacement recorded on the area X2 in accordance with the LOW entry of Step 1.
  • the area X2 exists either as a LOW entry replacement recorded on the area X3 or as a defect list replacement recorded on the area Yl, there lies a problem as to which of the two types of the area X3 should be reproduced.
  • the LOW entry and the DFL entry are differentiated according to the present invention. Then, after first selecting the LOW entry, the DFL is selected subsequently. In other words, referring to FIG. 9, when the host wishes to reproduce the area Xl, the LOW entry of Step 1 is selected. Thereafter, when both the LOW entry and the DFL entry exist within the area X2, which is to be reproduced in accordance with the selected entry, the DFL entry is selected.
  • the data A' that is replacement recorded on the spare area Yl in accordance with the DFL entry existing within the area X2 can be reproduced. And, this instance is when the data A' , which is to be overwritten on the initial data A area, is correctly reproduced.
  • the area X2 is reproduced in accordance with the host's demand, since the LOW entry is first selected according to the present invention, even though both the LOW entry of Step 2 and the DFL entry of Step 3 exist within the area X2, as described above, the data B which is recorded on the area X3 is reproduced in accordance with the LOW entry of Step 3. Meanwhile, as shown in FIG.
  • the entry is temporarily stored in a memory of the optical disc drive, and a position information of the final replacement recording of the data, which is intended to be recorded on the area Xl, that is performed on the area Yl is recorded as an entry.
  • This method is advantageous in reducing waste of entries.
  • the area X2 has the identical information as the area Yl, which is to prevent information of the data replacement recorded on the area X2 for the area Xl from being deleted, and to ensure that the DFL entry and the LOW entry are used independently.
  • FIG. 10 illustrates a block diagram of an optical recording and/or reproducing apparatus according to the present invention.
  • the optical recording and/or reproducing apparatus includes a recording/reproducing device 10 for performing recording/reproduction on the optical disc, and a host, or controller 20 for controlling the recording/reproducing device 10.
  • the recording/reproducing device 10 is often referred to as an "optical disc drive" , and both terms will be used in the description of the present invention
  • the host 20 gives a writing or reproduction command to write or reproduce to/from a particular area of the optical disc to the recording/ reproducing device 10, and the recording/reproducing device 10 performs the recording and/or reproduction in response to the command from the host 20.
  • the recording/reproducing device 10 includes an interface unit 12 for performing communication, such as exchange of data and order, with the host 20, a pickup unit 11 for writing/reading a data to/from the optical disc directly, a data processor 13 for receiving signal from the pickup unit 11, and recovering a desired signal value, or modulating a signal to be written into a signal able to be written on the optical disc, and forwarding, a servo unit 14 for controlling the pickup unit 11 to read a signal from the optical disc accurately, or write a signal on the optical disc accurately, a memory 15 for temporary storage of various kinds of information including management information, and data, and a microcomputer 16 for controlling various parts of the recording/reproducing device 10.
  • an interface unit 12 for performing communication, such as exchange of data and order, with the host 20, a pickup unit 11 for writing/reading a data to/from the optical disc directly, a data processor 13 for receiving signal from the pickup unit 11, and recovering a desired signal value, or modulating a signal to be written into a signal able to be written on the optical disc,
  • the microcomputer 16 within the recording/reproducing device 10 receives the writing command and controls operations so that recording of data can be performed on the optical disc in accordance with the writing command.
  • the data that is to be recorded on the overwriting area is replacement recorded on a non-recorded area within the data zone.
  • the position information of the overwritten area and the replacement recorded area is recorded on the TDFL within the TDMA as the LOW entry.
  • the data that is to be recorded or already recorded on the defect area is replacement recorded on the spare area within the data zone.
  • the microcomputer 16 provides the position information of the replacement recorded area and the data according to the command of the host to the servo unit 14 and the data- processor 13, so that the recording or replacement recording is completed at a desired position on the optical disc through the pickup unit 11.
  • the microcomputer 16 in the recording/reproducing device 10 receives the reading command and determines whether the data on the area of the optical disc, from which the host 20 desires to read the data, is replacement recorded on another area within the data zone. This can be verified by using the above-described LOW and DFL entries, which are recorded on the TDFL within the TDMA. Therefore, when the replacement recording is not performed on the area desired by the host 20 for reproduction, the microcomputer 16 reads (or reproduces) the data of the corresponding area and transmits the read information to the host 20. If replacement recording has been performed on another area, the microcomputer 16 reads the data from the corresponding replacement area and transmits the read information to the host 20. As described above, the method and apparatus of recording data on the recording medium according to the present invention have the following advantages. The LOW and DFL entries are differentiated and managed accordingly, thereby enhancing the recording and reproducing efficiency of the data on/from the optical recording medium.

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

Abstract

La présente invention a trait à un appareil d'enregistrement de données sur un support d'enregistrement comportant un dispositif d'enregistrement optique et un micro-ordinateur. Le dispositif d'enregistrement comporte une zone d'entrée, une zone de sortie, et une zone de données, où la zone de données présente une zone de données d'utilisateur et une zone de données de réserve. Lors de la réception d'une commande par le micro-ordinateur pour l'écrasement physique de premières données dans une première zone dans la zone de données d'utilisateur et détermine que la première zone est incluse dans une zone préenregistrée, il commande au dispositif d'enregistrement d'enregistrer les premières données plutôt dans la première zone de substitution et d'enregistrer la première entrée dans une zone TDMA, où la première entrée spécifie les emplacements de la première zone et la première zone de substitution. En outre, lors de la réception par le microprocesseur d'une commande pour l'enregistrement de deuxièmes données dans une deuxième zone dans la zone de données d'utilisateur et estime que la deuxième zone est défectueuse, il commande au dispositif d'enregistrement optique d'enregistrer les deuxièmes données plutôt dans une deuxième zone de substitution et d'enregistrer une deuxième entrée dans la zone TDMA, où la deuxième entrée spécifie les emplacements de la deuxième zone et la deuxième zone de substitution.
EP05771070A 2004-08-16 2005-08-12 Procede et appareil d'enregistrement de donnees sur support d'enregistrement Withdrawn EP1779380A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60162104P 2004-08-16 2004-08-16
KR1020040085290A KR101012378B1 (ko) 2004-08-16 2004-10-25 광 저장매체의 기록 재생 방법 및 장치
PCT/KR2005/002646 WO2006019235A1 (fr) 2004-08-16 2005-08-12 Procede et appareil d'enregistrement de donnees sur support d'enregistrement

Publications (2)

Publication Number Publication Date
EP1779380A1 true EP1779380A1 (fr) 2007-05-02
EP1779380A4 EP1779380A4 (fr) 2011-09-07

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WO2006019235A1 (fr) 2006-02-23
BRPI0514257A (pt) 2008-06-03

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