JP2006520991A - Information recording medium and recording and / or reproducing method thereof - Google Patents

Information recording medium and recording and / or reproducing method thereof Download PDF

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Publication number
JP2006520991A
JP2006520991A JP2006507760A JP2006507760A JP2006520991A JP 2006520991 A JP2006520991 A JP 2006520991A JP 2006507760 A JP2006507760 A JP 2006507760A JP 2006507760 A JP2006507760 A JP 2006507760A JP 2006520991 A JP2006520991 A JP 2006520991A
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Japan
Prior art keywords
area
recording medium
data
revision number
information recording
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JP2006507760A
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Japanese (ja)
Inventor
コ,ジョン−ウァン
リー,キョン−グン
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サムスン エレクトロニクス カンパニー リミテッド
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Priority to US45461803P priority Critical
Priority to KR1020030016496A priority patent/KR20040081903A/en
Application filed by サムスン エレクトロニクス カンパニー リミテッド filed Critical サムスン エレクトロニクス カンパニー リミテッド
Priority to PCT/KR2004/000555 priority patent/WO2004084201A1/en
Publication of JP2006520991A publication Critical patent/JP2006520991A/en
Application status is Withdrawn legal-status Critical

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/122Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/32Indexing; 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
    • G11B27/322Indexing; 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 used signal is digitally coded
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement 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
    • G11B7/00736Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217Formatting, e.g. arrangement of data block or words on the record carriers on discs

Abstract

Provided is an information recording medium on which a revision number is recorded and a recording and / or reproducing method thereof.
The information recording medium includes a read-only area in which a standard version number and a revision number different from the standard version number are recorded. Further, the recording and / or reproducing method is a method for recording and / or reproducing data to / from an information recording medium including a lead-in area, a user data area, and a lead-out area, and includes Recording a standard version number in a reproduction-only area of one area, recording a revision number distinguished from the standard version number in a reproduction-only area, reading the version number and revision number with a drive, and reading the version number and revision number Recording and / or reproducing data according to a standard according to.

Description

  The present invention relates to an information recording medium and a recording and / or reproducing method thereof, and more specifically, information in which a revision number for additional content is recorded when it is necessary to add content to a standard having the same version number. The present invention relates to a recording medium and a recording and / or reproducing method thereof.

  In general, an information recording medium is widely used as an information recording medium of an optical pickup device that records / reproduces information in a non-contact manner. An optical disk that is one of information recording media is a compact disk (CD ) And digital multi-function disc (DVD). The recordable, erasable and reproducible optical disks include 650 MB CD-R, CD-RW, 4.7 GB DVD + RW and the like. Furthermore, an HD-DVD having a recording capacity of 20 GB or more has been developed.

  Standards have been determined to unify the physical structure and recording / reproducing methods of such various types of recording media. There are innumerable contents related to the standard of the recording medium, but in particular, the recording capacity and the recording speed can be important contents. For example, there are many recording / reproducing conditions required for increasing the recording capacity, but when such recording / reproducing conditions are different from those defined in the existing standard, the standard version number changes while the standard changes.

  If the standard version number changes, recording / reproducing conditions are defined by the new standard. However, content related to recording / reproduction continues to change, and it is necessary to provide additional information about the changed content. Generally, when a new standard is decided, the version number changes. However, the version number does not change and only a part of contents related to recording / playback can change. Conventionally, such additional information is not recorded on a recording medium but provided through a separate additional information file.

  For example, the recording speed of the recording medium having the standard version number of 2.0 is defined as 1 to 4 times speed, but the recording speed can be not only 1 to 4 times speed but also 5 times speed. At this time, since all existing recording speeds are satisfied, the version number does not change, and information about 5 × speed must be additionally provided. However, the recording medium of standard version 2.0 can be recorded even at 5 × speed. Information to be recorded is recorded in a separate additional information book.

  Therefore, every time additional information is output, the drive has no way of recognizing this additional information, which is very inconvenient from the user's standpoint.

  The present invention has been made in view of the above problems, and records a revision number for additional information related to a standard having the same version number as reproduction-only data, and records and / or reproduces data according to the revision number. The object is to provide an enabled information recording medium and a recording and / or reproducing method thereof.

  In order to achieve the object, an information recording medium having a read-only area in which a standard version number and a revision number different from the standard version number are recorded is provided.

  A lead-in area, a user data area, and a lead-out area are provided, and the reproduction-only area is provided in at least one of the lead-in area and the lead-out area.

  The revision number is recorded in a specific mth byte in the disc control data zone. The revision number is x. When y, x is recorded in the 4 bits ahead of the m-th byte and y is recorded in the 4 bits behind.

  To achieve the above object, the method according to the present invention provides a method for recording and / or reproducing data in / from an information recording medium including a lead-in area, a user data area, and a lead-out area. A step of recording a standard version number in at least one read-only area of the out area, a step of recording a revision number distinguished from the standard version number in the read-only area, and the version number and revision number by a drive And recording and / or reproducing data according to a standard based on version number and revision number. Here, the last operation is performed by a drive.

  In order to achieve the above object, there is provided a drive device for recording and / or reproducing data on / from an information recording medium having a read-only area in which a standard version number and a revision number different from the standard version number are recorded, A pickup for recording and / or reproducing data on / from the information recording medium is provided, and when the information recording medium is inserted into the drive device, the drive device reads the version number and revision number, and the version number and revision number are read. Provided is a drive device for recording and / or reproducing data according to a corresponding standard.

  To achieve the above object, a drive device for recording data on an information recording medium compresses an AV signal by a specific compression scheme and outputs the compressed AV data, and the compressed data A digital signal processor that receives the AV data, adds data for ECC processing to the compressed AV signal, modulates the resulting data by a specific modulation scheme, and outputs the modulated data; An apparatus including an RF amplifier that converts an RF signal into an output, and a pickup that records the RF signal on the information recording medium, wherein the data includes a standard version number and a revision number different from the standard version number I will provide a.

  To achieve the above object, in a drive device for reproducing data on an information recording medium, a pickup for detecting an optical signal from the information recording medium, and converting the optical signal into an RF signal of modulated data RF amplifier for output, digital signal processor for demodulating modulated data by a modulation scheme, performing ECC processing and outputting a compressed AV signal, and AV decoder for demodulating the compressed AV data and outputting an AV signal And the data is a standard version number and a revision number different from the standard version number.

  Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 shows the data area structure of a recordable information recording medium. The information recording medium according to the present invention comprises a lead-in area 10, a user data area 20, and a lead-out area 30. A standard version number and a revision number are recorded in at least one read-only area of the lead-in area 10 and the lead-out area 30.

  When recording / reproduction characteristics of recording media having the same standard version number change, a number related to the information of the changed characteristic is defined, and the number is called a revision number. This revision number is added when there is information to be added.

  In other words, when the content of at least one of the items related to data recording and / or reproduction determined by the standard based on the standard version number changes, the revision number corresponding to the changed item is recorded. Is done.

  The lead-in area 10 is divided into a read-only area and a recordable area. For example, the first buffer zone 10-1, the disc control data zone 10-2, the disc test zone 10-3, and the drive test zone 10- 4, a defect management zone 10-5, a holding zone 10-6, and a second buffer zone 10-7. For example, the first buffer zone 10-1 and the disc control data zone 10-2 may be read-only areas where data is recorded since the recording medium is manufactured, and the remaining areas may be recordable areas.

  The version number and the revision number are preferably recorded in the disc control data zone 10-2. As shown in FIG. 2, the disk control data zone 10-2 includes a plurality of bytes, and a revision number can be recorded in a predetermined m-th byte of the disk control data zone 10-2. FIG. 2 shows an example in which the revision number is recorded in the third byte. Alternatively, the revision number can be recorded in the reserved area of the 10th byte.

  Here, as shown in FIG. 3, 1 byte includes 0th bit 0b, 1st bit 1b, 2nd bit 2b, 3rd bit 3b, 4th bit 4b, 5th bit 5b, 6th bit 6b, It consists of 8 bits of 7 bits 7b. Revision number x. y, and when this revision number is recorded in a specific 1 byte, the 4 bits in the front, that is, the 7th to 4th bits 7b, 6b, 5b, and 4b have x, and the 4 bits in the back, that is, Y is recorded in the 3rd to 0th bits 3b, 2b, 1b, and 0b. For example, it is recorded as 00000001b when the revision number is 0.1, and is recorded as 00010001b when the revision number is 1.1. When the revision number is recorded by such a method, a hexadecimal system or a binary system can be used.

  An example in which a revision number is specifically assigned to a recording medium having the same standard version is as follows. For example, in the standard whose standard version is 2.1, the recording speed is determined to be 1 to 4 times speed, but when the recording speed can be not only 1 to 4 times speed but also 5 times speed, the version number is 2.1. However, it is necessary to show that recording is possible even at 5 × speed. In such a case, the version number is recorded as 2.1 in the 0th byte, for example, while the revision number is recorded as 1.0 in the mth byte. The revision number is read by a drive for recording / reproducing data on a recording medium, and data can be recorded / reproduced at a recording speed based on the revision number, that is, at 5 times speed.

  Further, when recording is possible not only at 1 to 4 times speed but also at 5 times speed and 6 times speed, the version number is maintained at 2.1, while additional information about 6 times speed is recorded with a new revision number. This new revision number can be, for example, 2.0. The drive can read this revision number and record and / or reproduce data at 6 times speed. Here, when the revision number is 1.0, the recording speed can be 1 to 5 times faster, and when the revision number is 2.0, the recording speed can be 1 to 6 times faster.

  In the above example, the revision number is given when the recording speed is changed. However, the revision number is also given when the contents other than the recording speed are changed, for example, when the eccentric gravity center or the recording capacity is changed. Can be done.

  Thus, the revision number is updated each time new additional information is generated, and the updated revision number is recorded in a specific byte. This revision number is recorded as read-only data when the recording medium is manufactured, and is recorded, for example, in a pit form or a groove wobble form.

  On the other hand, the revision number can be recorded redundantly in the read-only area in the lead-in area 10 and the lead-out area 30. Alternatively, revision numbers can be recorded in duplicate in two or more bytes of the read-only area in the lead-in area 10 or the lead-out area 30. For example, the revision number can be recorded in m bytes and (m + 1) bytes in the disk control data zone 10-2, respectively, and may be recorded in three bytes. When any one revision number is damaged through such repeated recording, the reliability can be improved by making another revision number available.

  FIG. 4 shows the data area structure of a read-only information recording medium. This reproduction-only information recording medium includes a lead-in area 40, a user data area 45, and a lead-out area 50, and all areas are constituted by a reproduction-only area. In particular, it is desirable that the revision number is recorded in the disc related information area 40-1 in the lead-in area 40. This revision number can be repeatedly recorded in the lead-in area 40 and the lead-out area 50. Further, the revision number is recorded twice before in the lead-in area 40 or is recorded twice or more in the lead-out area 50.

  A method for recording and / or reproducing data on / from an information recording medium according to a preferred embodiment of the present invention will be described with reference to FIG. First, a standard version number is recorded in a reproduction-only area in at least one of the lead-in area 10 and the lead-out area 30, and a revision number distinguished from the standard version number is recorded. Additional information by this revision number is specified separately.

  The revision number is recorded, for example, in a predetermined byte in the disc control data zone 10-2 in the lead-in area 10. When an information recording medium in which a revision number is recorded is inserted into the drive, the drive reads the standard version number and the revision number, and records and / or reproduces data according to the standard corresponding to the version number and the revision number. .

  A drive device for recording and / or reproducing data to / from an information recording medium according to the present invention is shown in FIG. When recording data, the AV encoder 110 compresses and encodes the AV signal according to a specific compression scheme and supplies size information for the compressed data. The digital signal processor 120 receives the compressed A / V data supplied from the AV encoder 110, adds additional data for ECC processing, and performs modulation using a specific modulation scheme. The RF amplifier 130 converts the modulation data from the digital signal processor 120 into an RF signal. Next, the pickup 140 records the RF signal provided from the RF amplifier 130 on a disk mounted on the turntable of the pickup. The servo 150 receives information necessary for servo control from the system controller 160 and performs a servo function for the disk.

  Next, when reproducing the data stored on the disc, the pickup detects the optical signal from the disc, and the data stored on the disc is extracted from the optical signal. The RF amplifier 130 converts the optical signal into an RF signal, and extracts and modulates the servo signal to perform a servo function. The digital signal processor 120 demodulates the modulation data provided from the RF amplifier 130 in accordance with the modulation scheme used at the time of data modulation, performs ECC processing, corrects an error, and removes the added data. . The servo 150 receives information necessary for servo control from the RF amplifier 130 and the system controller 160. The AV encoder 110 decodes the compressed A / V data provided from the digital signal processor 120 and outputs an A / V signal. The system controller 160 controls the entire system to record / reproduce data on / from a disk mounted on a pickup turntable.

  When the recording medium according to the present invention is inserted into the drive device configured as described above, the drive device reads the version number and the revision number, records data according to the standard corresponding to the version number and the revision number, and / or Or play.

  The data recording and / or reproducing method according to the present invention includes a step of recording a revision number corresponding to the changed content when the content related to an item in the same standard version changes. For example, when the eccentric gravity center of the recording medium changes, a revision number related to the eccentric gravity center, for example, revision number 2.0 is recorded in a predetermined byte of the disc control data zone 10.

  In the above example, the case where the eccentric center of gravity has changed has been described as an example. However, the same can be applied to the case where the recording speed changes, and the recording speed is as described above. .

  In the data recording and / or reproducing method according to the present invention, as the recording medium is rapidly developed, the content determined by the standard is likely to be corrected. Provide separate information.

  As described above, the information recording medium and the recording and / or reproducing method thereof according to the present invention change when the revision number that is distinguished from the standard version number is recorded and the content is within a range where the standard does not change. Provide additional information by revision number corresponding to the content. A drive device that records and / or reproduces data on / from a recording medium recognizes changed information by using the revision number, and can record or reproduce data according to the changed contents.

  The above-described embodiments are merely examples, and various modifications and equivalent other embodiments will be possible to those skilled in the art. Therefore, the true technical protection scope of the present invention must be determined by the technical idea of the invention described in the claims.

It is a figure which shows the data area structure of the recordable information recording medium. It is a figure which shows the data structure of the disc control data zone of the lead-in area | region contained in the information recording medium by this invention. It is a figure for demonstrating the method to record and / or reproduce | regenerate data on / from the information recording medium by this invention. It is a figure which shows the data area structure of the reproduction-only information recording medium. 1 is a block diagram of a drive device for recording and / or reproducing data to / from an information recording medium according to the present invention.

Claims (22)

  1.   An information recording medium comprising a read-only area in which a standard version number and a revision number different from the standard version number are recorded.
  2.   The information recording medium according to claim 1, further comprising a lead-in area, a user data area, and a lead-out area, wherein the reproduction-only area is provided in at least one of the lead-in area and the lead-out area.
  3.   3. The information recording medium according to claim 2, wherein the read-only area is a disc control data zone provided in at least one of the lead-in area and the lead-out area.
  4.   4. The information recording medium according to claim 3, wherein the revision number is recorded in a specific m-th byte in the disk control data zone.
  5.   5. The information recording medium according to claim 4, wherein the revision number that changes each time the revision number changes is recorded in the mth byte.
  6.   6. The information recording medium according to claim 2, wherein the revision number is recorded in a duplicated manner in the lead-in area and the lead-out area.
  7.   The revision number is x. 6. The information recording medium according to claim 4, wherein when y, x is recorded in 4 bits ahead of the m-th byte and y is recorded in 4 bits behind.
  8.   8. The information recording medium according to claim 7, wherein one of a hexadecimal system and a binary system is used for recording a revision number.
  9.   4. The information recording medium according to claim 1, wherein the revision number is repeatedly recorded in at least two or more bytes in the reproduction-only area.
  10.   6. The standard version number and the revision number represent at least one factor combined with data recording and / or reproduction determined by a standard corresponding to the standard version number. The information recording medium according to item.
  11.   The information recording medium according to claim 10, wherein the at least one factor is one of a recording speed, an eccentric gravity center, and a recording capacity.
  12. In a method for recording and / or reproducing data to / from an information recording medium including a lead-in area, a user data area, and a lead-out area,
    Recording a standard version number in a read-only area of at least one of the lead-in area and the lead-out area;
    Recording a revision number distinguished from the standard version number in the read-only area;
    Reading the version number and revision number with a drive, and recording and / or reproducing data according to a standard based on the version number and revision number.
  13.   The method of claim 12, wherein the drive performs recording.
  14.   13. The method according to claim 12, wherein the read-only area is a disc control data zone provided in at least one of the lead-in area and the lead-out area.
  15.   The method of claim 12, wherein the revision number is recorded in a specific mth byte in the disk control data zone.
  16.   16. The method of claim 15, wherein each time the revision number changes, the changed revision number is recorded in the mth byte.
  17.   17. The method according to claim 12, wherein the revision number is recorded overlappingly in the lead-in area and lead-out area.
  18.   The revision number is x. The y according to any one of claims 12 to 16, wherein when y, x is recorded in the front 4 bits of the mth byte and y is recorded in the back 4 bits. Method.
  19.   The method according to any one of claims 12 to 16, wherein the revision number is repeatedly recorded in at least two bytes in the read-only area.
  20. A drive device for recording and / or reproducing data to / from an information recording medium having a read-only area in which a standard version number and a revision number different from the standard version number are recorded,
    A pickup for recording and / or reproducing data on / from an information recording medium;
    When the information recording medium is inserted into a drive device, the drive device reads a version number and a revision number, and records and / or reproduces data according to a standard corresponding to the version number and the revision number. apparatus.
  21. In a drive device for recording data on an information recording medium,
    An AV encoder that compresses an AV signal according to a specific compression scheme and outputs the compressed AV data;
    A digital signal processor that receives the compressed AV data, adds data for ECC processing to the compressed AV signal, modulates the resulting data by a specific modulation scheme, and outputs the modulated data;
    An RF amplifier that converts the modulated data into an RF signal and outputs the RF signal;
    A pickup for recording an RF signal on the information recording medium,
    The apparatus includes a standard version number and a revision number different from the standard version number.
  22. In a drive device for reproducing data on an information recording medium,
    A pickup for detecting an optical signal from the information recording medium;
    An RF amplifier that converts an optical signal into an RF signal of modulated data and outputs the RF signal;
    A digital signal processor that demodulates modulation data according to a modulation scheme, performs ECC processing, and outputs a compressed AV signal;
    An AV decoder that demodulates the compressed AV data and outputs an AV signal;
    The apparatus is characterized in that the data includes a standard version number and a revision number different from the standard version number.
JP2006507760A 2003-03-17 2004-03-16 Information recording medium and recording and / or reproducing method thereof Withdrawn JP2006520991A (en)

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US45461803P true 2003-03-17 2003-03-17
KR1020030016496A KR20040081903A (en) 2003-03-17 2003-03-17 Information storage medium and method of recording and/or reproducing on the same
PCT/KR2004/000555 WO2004084201A1 (en) 2003-03-17 2004-03-16 Information storage medium and method of recording and/or reproducing data thereon

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JP (1) JP2006520991A (en)
BR (1) BRPI0407103A (en)
CA (1) CA2510636A1 (en)
HK (1) HK1086658A1 (en)
MX (1) MXPA05008087A (en)
MY (1) MY141355A (en)
RU (1) RU2308099C2 (en)
TW (1) TWI301966B (en)
WO (1) WO2004084201A1 (en)

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