WO2005024791A2 - Write-once optical disc and method for recording management information thereon - Google Patents

Write-once optical disc and method for recording management information thereon Download PDF

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Publication number
WO2005024791A2
WO2005024791A2 PCT/KR2004/002208 KR2004002208W WO2005024791A2 WO 2005024791 A2 WO2005024791 A2 WO 2005024791A2 KR 2004002208 W KR2004002208 W KR 2004002208W WO 2005024791 A2 WO2005024791 A2 WO 2005024791A2
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WO
WIPO (PCT)
Prior art keywords
srr
certain
opened
recording
recording medium
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.)
Ceased
Application number
PCT/KR2004/002208
Other languages
English (en)
French (fr)
Other versions
WO2005024791A3 (en
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 KR1020030062674A external-priority patent/KR20050025450A/ko
Priority claimed from KR1020030071127A external-priority patent/KR20050035452A/ko
Priority to EP04774469.3A priority Critical patent/EP1665259B1/en
Priority to AU2004271477A priority patent/AU2004271477B2/en
Priority to CN2004800296128A priority patent/CN1867985B/zh
Priority to CA2537888A priority patent/CA2537888C/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to JP2006526019A priority patent/JP4373441B2/ja
Priority to MXPA06002620A priority patent/MXPA06002620A/es
Priority to BRPI0414213-6A priority patent/BRPI0414213A/pt
Publication of WO2005024791A2 publication Critical patent/WO2005024791A2/en
Publication of WO2005024791A3 publication Critical patent/WO2005024791A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327—Table of contents
    • G11B27/329—Table of contents on a disc [VTOC]
    • 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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • 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
    • 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
    • G11B2220/213—Read-only 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
    • G11B2220/21—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata

Definitions

  • the present invention relates to a write-once optical disc, a method for
  • optical discs on which high-capacity data As an optical recording medium, optical discs on which high-capacity data
  • HD-DVD optical recording medium
  • the Blu-ray disc is the next generation HD-DVD technology and the next generation HD-DVD technology.
  • the information indicating the recorded status of the disc allows a host or a
  • optical disc performing defect management, as well as to the Blu-ray discs.
  • the present invention is directed to a write-once optical disc
  • An object of the present invention is to provide a method and apparatus for
  • Another object of the present invention is to define different types of
  • SRRs sequential recording ranges
  • Another object of the present invention is to provide a structure of a write-
  • a further object of the present invention is to provide a method of recording
  • FIG. 1 illustrates a structure of a write-once optical disc according to an
  • FIGs 2A to 2D illustrate different types of opened SRRs of the write-once
  • optical disc of FIG. 1 according to the present invention
  • FIGs. 3A to 3E illustrate different types of closed SRRs of the write-once
  • optical disc of FIG. 1 according to the present invention
  • FIG. 4A to 4G illustrate an example of a process of generating SRR(s)
  • FIG. 5A illustrate an example of a structure of an SRR entry according to a
  • FIGs. 5B and 5C illustrate an example of using the SRR entry structure of
  • FIG. 5A according to the first embodiment of the present invention
  • FIG. 6A illustrate an example of a structure of an SRR entry according to a
  • FIGs. 6B and 6C illustrate an example of using the SRR entry structure of
  • FIG. 6A according to the second embodiment of the present invention.
  • FIGs. 7A to 1 IB illustrate examples of recording SRRI depending on a disc
  • FIG. 12 is a flowchart illustrating a method of using SRRIs of a write-once
  • FIGs. 13A and 13B illustrate a method of restoring the latest SRRI in the
  • FIG. 14 illustrates a recording/ playback apparatus for a write-once optical
  • a plurality of regions are formed on an
  • optical disc such as a BD-WO and each of these regions is referred to as a
  • SRR Sequential recording range
  • SRRI sequential recording information
  • the SRRI pertains to one or more SRRs.
  • FIG. 1 illustrates a structure of a write-once optical disc such as a BD-WO
  • the disc shown in FIG. 1 has a single recording layer as
  • the disc includes a lead-in area, a data area, and a lead-
  • the lead-in and lead-out areas have a
  • DMA1 - DMA4 disc (or defect) management areas
  • the write-once optical disc needs and has a
  • TDMA temporary disc management area
  • final/latest TDMA is transferred to a DMA for more permanent storage.
  • the disc includes two TDMAs: TDMAO and TDMAl .
  • TDMAO time division multiple access
  • TDMAl time division multiple access
  • TDMAO is allocated to the lead-in area and has a fixed, non-variable size.
  • the TDMAl is allocated to the outer spare area OSAO and has a size variable
  • the size P of the TDMAl may be any size of the spare area.
  • + TDDS can be recorded in one recording-unit (e.g., one cluster in the case
  • SRRI + TDDS SRRI + TDDS
  • the SRRI is recorded when a
  • SBM space bit map
  • TDMA in the size of one cluster.
  • a TDFL and a TDFL are examples of TDMA in the size of one cluster.
  • TDDS are recorded in one cluster of the TDMAO, an SRRI and a TDDS are
  • the TDFL is the information that manages this
  • the TDFL is
  • Disc status information indicates whether a specific area of the
  • the TDDS information is generally recorded on the last
  • the disc is recorded as part of the TDDS information, and the TDDS
  • the present invention provides a method of recording a recorded status
  • SRRI is used as the recorded status information that indicates
  • Each SRRI pertains to one or more SRRs
  • the present invention defines various types
  • each SRRI 60 in the TDMA(s) generally includes three
  • a header 50 for identifying the corresponding SRRI a list of SRR
  • SRR entry list 30 including SRR type information, and an SRR list
  • terminator 40 for indicating the termination of the corresponding SRRI.
  • the SRRI header 50 is located at the head of the corresponding SRRI 60 and
  • opened SRRs" field 52 stores SRR numbers (identifications) of the opened
  • the SRR entry list (List of SRR entries) 30 is recorded after the SRRI
  • SRR entry list 30 is identified with the SRR list terminator ("SRR List
  • the SRR list terminator 40 is information
  • the SRR entry list 30 is a list in which a plurality of SRR entries 35 are
  • one SRR entry 35 represents information on one SRR on the disc.
  • entry 35 includes an SRR status field 31, a start address field 32 for storing
  • LRA recorded address
  • the first 4 most significant bits (b63-b60)
  • the SRRI includes
  • the header, the list of SRR entries and the SRR list terminator, and all such information is recorded collectively at each updating instance.
  • One of the objects of the present invention is to define and distinguish
  • the types of the SRRs will be defined and the method of recording
  • an SRR is an area reserved for recording data or information on
  • a write-once optical disc such as a BD-WO.
  • the present invention defines
  • FIGs. 2A to 2D illustrate different types of opened SRRs for the write-once
  • optical disc e.g., a BD-WO
  • An opened optical disc e.g., a BD-WO
  • SRR means an SRR that can be recordable on the corresponding area.
  • Recordable means that the SRR has a next writable address (NWA).
  • the opened SRR is an SRR with an NWA.
  • An unrecordable SRR is an SRR with an NWA.
  • the closed SRR is an SRR that
  • FIG. 2A illustrates an invisible SRR among the opened SRRs.
  • the invisible SRR is generally always formed at the outermost section
  • the invisible SRR has only a start address but has no end to its
  • the NWA of the invisible SRR becomes the same value as its start address.
  • FIG. 2B illustrates an incomplete SRR among the opened SRRs.
  • incomplete SRR is an SRR in which recording is performed to some portion
  • the recording is performed to some portion of the SRR, the LRA of the
  • the NWA of the incomplete SRR is an address next to (or
  • FIG. 2C illustrates an empty SRR among the opened SRRs. Unlike the
  • the empty SRR has both a start address and an
  • the LRA is zero and the NWA has the same value as the start address of the SRR.
  • FIG. 2D illustrates a partially recorded SRR among the opened SRRs.
  • partially recorded SRR is an SRR in which recording is performed to some
  • the partially recorded SRR has both a start address and an
  • the LRA of the partially recorded SRR is a last recorded area address
  • the NWA is an address next to the LRA.
  • SRRs that is allowed is advantageously limited to a predetermined number
  • FIGs. 3A to 3E illustrate different types of closed SRRs for a write-once
  • optical disc such as a BD-WO according to the present invention.
  • SRR is an SRR that is non-recordable and "non-recordable" means that the
  • the closed SRR can be formed by completing
  • the recording of the SRR Even if a recordable area remains in the SRR, the SRR may be forcibly closed by a user/ host's close command.
  • FIG. 3A illustrates an empty SRR among the closed SRRs.
  • the empty SRR is an SRR that is closed by a close command with no
  • FIG. 3A is an example of a closed empty SRR and FIG.
  • 2 C is an example of an opened empty SRR.
  • FIG. 3B illustrates a partially recorded SRR among the closed SRRs.
  • SRR partially recorded SRR is an SRR that is closed by a close command with no
  • FIG. 3B is a closed partially
  • FIG. 2D is an opened partially recorded SRR.
  • FIG. 3C illustrates a complete SRR among the closed SRRs. The complete
  • SRR is an SRR in which a normal user data recording is completed to the
  • FIG. 3D illustrates another example of a closed partially recorded SRR
  • This SRR type involves an SRR that is closed after
  • the entire area or some area of the recordable area of the SRR can be any area or some area of the recordable area of the SRR.
  • ASCII specific character code
  • the padding data can be used to indicate that the SRR is closed.
  • the specific character as the padding data may be "CLSD" indicating that
  • SRR can be determined to be a closed SRR.
  • This part of the SRR may be at least one recording-
  • unit such as one cluster, and can be the first cluster after the LRA. That is,
  • At least one recording-unit of the opened SRR starting from its NWA can be
  • FIG. 3E illustrates another example of a closed empty SRR among the closed
  • SRRs This SRR type involves an SRR that is closed after some recordable
  • recording/ playback apparatus (FIG. 14) can selectively perform the padding
  • a recording/ playback part (e.g., the component 10 in FIG. 14) of
  • the recording/ playback apparatus can prestore the padding data and
  • FIGs. 4A to 4G illustrate an example of a process of forming SRRs within the
  • FIGs. 1-3E disc of FIGs. 1-3E according to an embodiment of the present invention.
  • a portion indicated by a thick arrow represents a
  • a “session” is an upper-level recording-unit compared to the lower-level
  • recording-unit such as an SRR, and includes at least one SRR. Also, since the recording-unit such as an SRR, and includes at least one SRR. Also, since the recording-unit such as an SRR, and includes at least one SRR. Also, since the recording-unit such as an SRR, and includes at least one SRR. Also, since the recording-unit such as an SRR, and includes at least one SRR. Also, since the recording-unit such as an SRR, and includes at least one SRR. Also, since
  • each SRR can be closed by
  • Sessions can be classified into different types: an empty session having only
  • FIG. 4A illustrates an initial blank disc that is in a recordable
  • a start location of the disc becomes the NWA.
  • FIG. 4B illustrate a case when some portion of the blank disc of FIG. 4 A is
  • FIG. 4C illustrates a case when a session close command is executed when
  • FIG. 4D illustrates a case when two opened SRRs are reserved in the empty
  • FIG. 4E illustrates a case when data is recorded in the first empty SRR
  • FIG. 4F illustrates a case when a session close command is executed from
  • FIG. 4G illustrates another case when a session close command is executed
  • FIG. 4G shows that the
  • SRRs may be created depending on whether or not a padding
  • FIG. 5A illustrates a first embodiment of the SRR entry according to the
  • the SRR entry structure of FIG. 5A is applied to each
  • SRR status field 31 carries therein 4-bit SRR status information used to
  • P-flag a padding flag
  • the first bit (b63) of the SRR status field 31 carries the P-flag
  • corresponding SRR is a closed SRR in which the padding has been
  • SRR is an SRR in which no padding has been performed. Other values may be
  • corresponding SRR can be an opened SRR or a closed SRR. However, if the
  • corresponding SRR is an SRR that is registered in the "List of opened SRRs"
  • PSD physical sector number
  • the LRA field 34 of the SRR entry 35 provides an LRA information of the
  • An LRA is an address of an
  • FIGs. 5B and 5C illustrate two different examples of recording the P-flag of
  • FIG. 5 A based on the method of creating the SRR entry according to the first
  • FIG. 5B illustrates the case of FIG. 4F in which no padding is performed in
  • FIG. 5C illustrates the case of FIG. 4G in
  • SRR numbers #1 to #5 are given to
  • the SRR # 1 is a complete SRR without
  • the SRR #2 is a closed partially recorded SRR without padding, which
  • the SRR #4 is a complete
  • the SRR #5 is an invisible SRR without padding, which is
  • the SRR #5 is recorded in the "List of opened SRRs" field 52 of the SRRI
  • header 50 as "1st opened SRR" among the maximum 16 possible opened
  • the SRR #1 is a complete SRR without padding, which is indicated in the corresponding SRR entry by the P-flag of "Ob".
  • SRR #2 is a closed partially recorded SRR with padding, which is indicated
  • the SRR #4 is a complete SRR without padding, which
  • #5 is an invisible SRR without padding, which is indicated in the
  • the opened SRR is the SRR #5 (invisible
  • 16th opened SRR" fields of the field 52 are set to zero.
  • the LRA and start address information are present
  • the SRRs can be distinguished from each other
  • the closed SRRs have the same LRAs. In this case, SRR type identification through the LRA is difficult. In such cases, it
  • SRRs can be distinguished according to the padding operation using the P-
  • predetermined padded data e.g., dummy data or specific real data
  • SRR may be looked for to distinguish the type of that SRR.
  • FIG. 6A illustrates a second embodiment of the SRR entry according to the
  • the SRR entry structure of FIG. 6A is applied to each
  • SRR entry 35 of FIG. 1 can be applied to any other SRR entry of a disc.
  • the SRR entry 35 includes a SRR status field 31, a start address
  • the related art disc such as DVD requires additional areas (for example,
  • the present invention advantageously provides information
  • S-flag session flag
  • the remaining 2 bits (3 Id) of the status field 31 remain as a
  • corresponding SRR is an SRR in which no padding has been performed. Accordingly, if the P-flag has the value of "Ob", the corresponding SRR can
  • header 50 it means the corresponding SRR is an opened SRR; however, if it
  • the corresponding SRR is the session start SRR. If the S-flag has a
  • SRR S-flag
  • P-flag P-flag
  • FIGs. 6B and 6C illustrate two examples of recording the P-flag and the S-
  • FIG. 6B illustrates the case of FIG. 4F in which no padding has
  • FIG. 6C illustrates the case
  • FIG. 4G in which padding has been performed in the closing of the SRR(s).
  • SRR numbers #1 to #5 are assigned to
  • the SRR #2 in FIG. 6B is a closed partially recorded SRR without padding
  • the S-flag in the SRR #2 entry has a value of "lb" because the SRR #2 is the session start SRR, i.e., the start SRR of the session #2.
  • the SRR #3 in FIG. 6B is a closed empty SRR without padding, which is
  • the SRR #4 in FIG. 6B is a complete SRR without padding, which is
  • the SRR #5 in FIG. 6B is an invisible SRR without padding, which is
  • the opened SRR is the SRR #5 (invisible SRR). Therefore,
  • SRR numbers #1 to #5 are assigned to
  • the SRR #2 in FIG. 6C is a closed SRR #2 with padding, which is indicated
  • the SRR #3 in FIG. 6C is a closed empty SRR with padding, which is
  • the SRR #4 in FIG. 6C is a complete SRR without padding, which is
  • the SRR #5 in FIG. 6C is an invisible SRR without padding, which is
  • the closed SRRs can be
  • FIG. 7A illustrates an initial blank disc that is in a recordable status all over
  • a start location of the disc becomes the NWA.
  • FIG. 7B illustrate a case that some portion of the blank disc of FIG. 7 A is
  • SRR SRR #1
  • the disc is in such a status that only one
  • FIG. 7C illustrates a process of recording an SRRI in the management area
  • SRRI is shown in the TDMAO of FIG. 7C, and the TDFL and/ or TDDS is
  • the disc recorded status of FIG. 7C is the case where only one opened SRR
  • SRR #1 is present in all the disc area as in FIG. 7B. As shown in FIG. 7C,
  • the SRRI #1 (60a) pertaining to the SRR #1 is generated and recorded in
  • the SRR number of the opened SRR #1 is
  • the SRR entry 35a (or SRR entries 35b-35p discussed later)
  • FIG. 7D illustrates a detailed structure of the "List of opened SRRs" field
  • FIG. 7D The structure of this field as shown in FIG. 7D is
  • the opened SRR entry number is recorded, as the information on the
  • the recording/ playback apparatus To carry out an operation on a disc, the recording/ playback apparatus must
  • the recording/ playback apparatus needs to know the location
  • present invention provides the "List of opened SRRs" field at the header of an SRRI and accesses this field to obtain the location of any opened SRR by
  • recording/ playback apparatus can read out the opened SRR entry
  • FIG. 8A illustrates a case when a session close command is executed when
  • the disc is in the state of FIG. 7B.
  • the existing data As shown in FIG. 8A, the existing data
  • FIG. 8B illustrates a process of recording the disc recorded status as it
  • FIG. 8B a closed SRR entry has been indicated using a shaded mark.
  • FIG. 9 A illustrates a case when two opened SRRs are reserved for a new
  • sessions include the complete session # 1 and the session #2 which has been
  • FIG. 9B illustrates a process of recording the disc recorded status as it
  • FIG. 9B a closed SRR entry has been indicated using a shaded mark.
  • FIG. 10A illustrates a case when data are recorded to the first empty SRR
  • FIG. 10B illustrates a process of recording the disc recorded status as it
  • SRRI #4 (60d) is recorded in the TDMAO, next to the previously recorded
  • FIG. 10B a closed SRR entry has been indicated using a shaded mark.
  • FIG. 11A illustrates a case when a session close command is executed in the
  • the padding is performed
  • dummy data e.g., zero
  • specific real data e.g., character code
  • FIG. 11A is the same as that discussed in connection with FIGs. 3D and
  • the existing data recorded area becomes an
  • a part e.g., a first
  • FIG. 11B illustrates a process of recording the disc recorded status as it
  • FIG. 11B a closed SRR entry has been indicated using a shaded mark.
  • SRRI is the information indicating
  • the latest SRRI of the disc may be not read out correctly.
  • the SRR is padded in the padding operation when the SRR is to
  • FIGs. 12, 13A and 13B illustrate a recording method of a write-once optical
  • the SRRI is said to be damaged. If the latest
  • the present invention provides the method of correctly recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally recovering the finally
  • FIG. 12 is a flowchart illustrating a method of recovering the finally recorded
  • the disc contains the disc structure and the SRRI
  • step S10 determines that the latest SRRI is
  • SRRI can be recovered using the latest non-damaged SRRI and the actual
  • Step S33 may be an optional step.
  • Such areas can be determined from the latest non-damaged SRRI and/ or the
  • the newly changed recorded status may be recorded as a new SRRI in the
  • FIGs. 13A and 13B illustrates an example of the step S33 in FIG. 12 of
  • FIG. I IB example of FIG. I IB is damaged.
  • SRRI recording method of FIGs. 7A to 1 IB will be described as an example. As shown in FIG. 13A, if the SRRIs are in the normal status, the SRRI #5
  • the recording/ playback apparatus reads the latest SRRI among
  • the non-damaged SRRIs In the example, the SRRI #4 (60d) is the latest
  • the recording/ playback apparatus checks the location of the opened SRR(s)
  • FIG. 13A it is determined from the "List of opened SRRs" field 52d of the
  • predetermined padding data e.g., dummy data
  • the recording/ playback apparatus determines that the
  • the recording/ playback apparatus examines the
  • the SRR #4 can be analyzed as the opened SRR in the actual final
  • this area is the NWA.
  • the already recorded area of the original SRR #4 is determined to a closed SRR (new closed SRR #4) and only the
  • NWA recordable position information
  • FIG. 13B illustrates a result of the recovery of the latest SRRI #5 by the
  • FIG. 14 illustrates an optical disc recording/ playback apparatus according to the present invention. This apparatus or other suitable apparatus or
  • the optical disc recording/ playback apparatus includes
  • a recording/ playback unit 10 for recording and/or reproducing data to/from
  • the controller 20 transmits a command for recording
  • recording/ playback unit 10 records and /or reproduces data to /from the
  • the recording/ playback unit 10 includes an interface unit 12, a pick-up
  • the interface unit 12 communicates with external
  • the pick-up unit 11 records or
  • the servo unit 14 controls the pick-up unit 11 to read the signal
  • the memory 15 stores temporarily data and various information including management
  • the microcomputer 16 controls the
  • recording/ playback apparatus shown in FIG. 14 can selectively perform a
  • the recording/ playback unit 10 can automatically store specific
  • the padding is determined in the selective closed SRR and an
  • the case of closing the SRR with padding may be more
  • the SRRI header information can be checked through the SRRI header information. Also, the
  • the microcomputer 16 can accurately check the SRR status
  • the microcomputer 16 can
  • Such a function can be named "automatic padding function" of the recording/ playback unit
  • the recording/ playback apparatus According to the present invention, the recording/ playback apparatus
  • the controller 20 controls the pickup unit 11
  • the latest SRRI is damaged. If the latest SRRI is damaged, the latest SRRI is
  • the latest SRRI can be recovered by checking the dummy data padded
  • the recording/ playback unit 10 If there is no damage in the latest SRRI, the recording/ playback unit 10
  • the recording/ playback unit 10 performs the padding to some

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
PCT/KR2004/002208 2003-09-08 2004-09-02 Write-once optical disc and method for recording management information thereon Ceased WO2005024791A2 (en)

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BRPI0414213-6A BRPI0414213A (pt) 2003-09-08 2004-09-02 método e aparelho de gerenciar meio fìsico de gravação e meio fìsico de gravação
MXPA06002620A MXPA06002620A (es) 2003-09-08 2004-09-02 Disco optico de una sola escritura y metodo para grabacion de informacion de administracion sobre el mismo.
AU2004271477A AU2004271477B2 (en) 2003-09-08 2004-09-02 Write-once optical disc and method for recording management information thereon
CN2004800296128A CN1867985B (zh) 2003-09-08 2004-09-02 管理一次写入光盘的方法和装置
CA2537888A CA2537888C (en) 2003-09-08 2004-09-02 Write-once optical disc and method for recording management information thereon
EP04774469.3A EP1665259B1 (en) 2003-09-08 2004-09-02 Write-once optical disc and method for recording management information thereon
JP2006526019A JP4373441B2 (ja) 2003-09-08 2004-09-02 追記型光ディスク及びその上に管理情報を記録するための方法

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KR1020030062674A KR20050025450A (ko) 2003-09-08 2003-09-08 1회 기록 가능한 광디스크 및 광디스크의 관리정보 기록방법
KR10-2003-0062674 2003-09-08
KR10-2003-0071127 2003-10-13
KR1020030071127A KR20050035452A (ko) 2003-10-13 2003-10-13 1회 기록 가능한 광디스크 및 광디스크의 기록방법과기록재생장치

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WO2005024791A3 WO2005024791A3 (en) 2005-07-14

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EP (1) EP1665259B1 (enExample)
JP (1) JP4373441B2 (enExample)
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AU (1) AU2004271477B2 (enExample)
BR (1) BRPI0414213A (enExample)
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RU2361295C2 (ru) 2009-07-10
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