WO2007037288A1 - Dispositif d'enregistrement et procede d'enregistrement pour enregistrement d'informations sur un disque d'enregistrement multicouche - Google Patents

Dispositif d'enregistrement et procede d'enregistrement pour enregistrement d'informations sur un disque d'enregistrement multicouche Download PDF

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Publication number
WO2007037288A1
WO2007037288A1 PCT/JP2006/319207 JP2006319207W WO2007037288A1 WO 2007037288 A1 WO2007037288 A1 WO 2007037288A1 JP 2006319207 W JP2006319207 W JP 2006319207W WO 2007037288 A1 WO2007037288 A1 WO 2007037288A1
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WO
WIPO (PCT)
Prior art keywords
recording
data
area
layer
recording layer
Prior art date
Application number
PCT/JP2006/319207
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English (en)
Japanese (ja)
Inventor
Hidehiro Ishii
Takao Sawabe
Nobuyuki Takakuwa
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Pioneer Corporation
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Publication date
Application filed by Pioneer Corporation filed Critical Pioneer Corporation
Priority to JP2007537652A priority Critical patent/JP4618741B2/ja
Publication of WO2007037288A1 publication Critical patent/WO2007037288A1/fr

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • 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
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • 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
    • 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
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Definitions

  • the present invention relates to a recording apparatus and a recording method for recording information such as content data on a multi-layer recording disk.
  • DVDs are widely used as information recording media for recording information such as content data. Furthermore, among the multi-layered recording media with multiple recording layers, the development of the dual-layer DVD-R (DVD-R dual layer) is progressing!
  • the dual-layer DVD-R is a write-once DVD having two recording layers on one side.
  • the VR format is used as the recording format for content data.
  • so-called layer jump recording (Format 4) can be applied as a content data recording method.
  • content data is divided into a plurality of data blocks each having a size of several megabytes to several tens of megabytes.
  • the first data block is recorded on the first recording layer (layer 0)
  • the second data block is recorded on the second recording layer (layer 1)
  • the third data block is recorded on the first recording layer.
  • the recording layer where the data block is to be recorded is changed whenever it is recorded on the layer.
  • the boundary position between the lead-in area and the user data area in the first recording layer matches the boundary position between the lead-out area and the user data area in the second recording layer in the radial direction of the disc. Not. In other words, the size and end position of the user data area differ between the first recording layer and the second recording layer.
  • the recording position of each data block and the size of each data block must be adjusted well.
  • the position of the inner edge of the user data area of the first recording layer matches the position of the inner edge of the user data area of the second recording layer! /, NA! /, And so on. If the recording position and the size of the individual data blocks are not adjusted properly, there is a possibility that an odd empty area will be formed in the innermost part of the second recording layer.
  • the recording position of each data block and the size of each data block must be well adjusted inside the user data area of each recording layer. For example, by securing the management information recording area, the recording start position of the data block to be recorded first in the user data area of the first recording layer is shifted to the outer peripheral side, so that the user data area of each recording layer If the recording position of each data block and the size of each data block are not adjusted well on the inner circumference side, layer jump recording may not be performed efficiently.
  • the present invention has been made in view of the problems exemplified above, and the first of the present invention
  • the problem is to provide a recording apparatus, a recording method, and a computer program capable of realizing layer jump recording capable of easily managing content data.
  • a second problem of the present invention is to provide a recording apparatus, a recording method, and a computer program capable of realizing layer jump recording capable of effectively utilizing a user data area of a multilayer recording disk. There is.
  • the recording apparatus of the present invention includes a first recording layer that is irradiated with a light beam without passing through another recording layer, and the light beam that passes through the first recording layer. At least a second recording layer that is irradiated after the first recording layer, and each of the first recording layer and the second recording layer includes a user data area in which a user is allowed to record content data, and A recording device for recording content data on a multi-layered recording disk that exists outside a user data area and has an inner peripheral area adjacent to an inner peripheral side end of the user data area, comprising: (a) the first 1) an area securing means for securing a management information recording area for recording management information inside the user data area of the recording layer; and (b) the management information recording area existing in the first recording layer.
  • Adjustment data that includes the position where the straight line that intersects the boundary position between the inner circumferential area and the user data area of the second recording layer and extends parallel to the axis of the multilayer recording disk and the first recording layer Adjustment data recording means for recording adjustment data in the recording area; and (c) content data recording means for recording position force content data adjacent to the outer peripheral side end of the adjustment data recording area.
  • the recording method of the present invention includes a first recording layer irradiated with a light beam without passing through another recording layer, and the light beam passing through the first recording layer.
  • a recording method for recording content data on a multi-layer recording disc that is located outside a user data area and has an inner circumference area adjacent to an inner circumference side end of the user data area, comprising: (a) the first 1 Management information inside the user data area of the recording layer An area securing step for securing a management information recording area for recording information; and (b) present in the first recording layer, located outside the outer periphery of the management information recording area, and in the inner area of the second recording layer.
  • Adjustment data recording that internally includes a position where the straight line that intersects the boundary position between the peripheral area and the user data area of the second recording layer and extends parallel to the axis of the multilayer recording disk, and the first recording layer
  • An adjustment data recording step for recording adjustment data in the area and (c) a content data recording step for recording position force content data adjacent to the outer peripheral side end of the adjustment data recording area.
  • a computer program according to the present invention causes a computer to function as the recording device according to the present invention (including various aspects thereof).
  • a computer program product in a computer-readable medium clearly embodies a program instruction executable by a computer, and the computer is stored in the recording device of the present invention ( However, these functions are included).
  • the computer program product of the present invention if the computer program product is read into a computer from a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product, or
  • a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product
  • the computer program product which is a transmission wave
  • the computer program product which is a transmission wave
  • the computer program product may be configured by computer-readable code (or computer-readable instructions) that functions as the recording apparatus of the present invention described above.
  • FIG. 1 is a block diagram showing an embodiment of a recording apparatus of the present invention.
  • FIG. 2 is an explanatory diagram showing the structure of a dual-layer DVD-R handled by the recording device in FIG.
  • FIG. 3 Explanation showing data recorded on the first recording layer and the second recording layer of the dual-layer DVD-R so that they face each other in the axial direction of the dual-layer DVD-R!
  • FIG. 5 is a flowchart showing a recording operation of the recording apparatus in FIG. 1.
  • FIG. 8 is a block diagram showing an embodiment of a recording apparatus of the present invention.
  • FIG. 1 shows an embodiment of a recording apparatus of the present invention.
  • a recording device 10 in FIG. 1 is a recording device that records content data on a dual-layer DVD-R.
  • the recording device 10 employs layer jump recording (Format 4) as a content data recording method.
  • the recording device 10 is a DVD recorder, for example.
  • the recording apparatus of the present invention is not limited to a DVD recorder, and may be another recorder or a computer having a function of recording content data on a two-layer recording disk. ,.
  • the power of taking the case where the present invention is applied to a recording apparatus that records information on a two-layer recording medium as an example.
  • the present invention is not limited to a two-layer recording medium. It can also be applied to multilayer recording media.
  • the double-layer recording disk used by the recording device 10 to record content data is a double-layer DVD-R (DVD-R dual layer).
  • DVD-R double-layer DVD-R
  • the dual-layer recording disk used by the recording apparatus of the present invention for recording content data is not limited to the dual-layer DVD-R.
  • Example for example, other write-once or rewritable recording discs with two recording layers, such as two-layer DVD + R, two-layer DVD—RW, two-layer DVD + RW, two-layer Blu-ray disc, and two-layer HD—DVD. Good.
  • the content data recorded on the dual-layer DVD-R by the recording device 10 includes, for example, video data, audio data, document data, numerical data, and the like.
  • the content data includes management information or control information for managing or controlling playback of video data, audio data, and the like.
  • the recording apparatus 10 includes an area securing unit 11, an adjustment data recording unit 12, and a content data recording unit 13.
  • the area securing unit 11 secures a management information recording area for recording management information inside the user data area of the first recording layer of the dual-layer DVD-R.
  • the adjustment data recording unit 12 records adjustment data in the adjustment data area.
  • the adjustment data area exists in the first recording layer of the dual-layer DVD-R and is located outside the management information recording area. Furthermore, the adjustment data area intersects the boundary position between the lead-out area of the second recording layer of the dual-layer DVD-R and the user data area of the second recording layer, and is a straight line extending parallel to the axis of the dual-layer DVD-R. And the position where the first recording layer intersects.
  • the content data recording unit 13 records positional force content data adjacent to the outer peripheral end of the adjustment data recording area in the first recording layer of the dual-layer DVD-R.
  • the content data recording unit 13 records content data according to the layer jump recording method.
  • the area securing unit 11, the adjustment data recording unit 12, and the content data recording unit 13 include, for example, an arithmetic processing device such as a CPU (Central Processing Unit) and an MPU (Micro Processing Unit), a ROM (Read Only Memory), Controls storage devices such as RAM (Random Access Memory), control devices that control optical systems such as optical pickups, tracking control of optical pickups, focusing control, and drive control systems that perform rotation control of dual-layer DVD-R, etc. It is comprised by the control apparatus etc.
  • an arithmetic processing device such as a CPU (Central Processing Unit) and an MPU (Micro Processing Unit), a ROM (Read Only Memory), Controls storage devices such as RAM (Random Access Memory), control devices that control optical systems such as optical pickups, tracking control of optical pickups, focusing control, and drive control systems that perform rotation control of dual-layer DVD-R, etc. It is comprised by the control apparatus etc.
  • an arithmetic processing device such as a CPU (Central Processing Unit) and
  • FIG. 2 shows the structure of a dual-layer DVD-R.
  • the dual-layer DVD-R 20 includes a first recording layer 21, a second recording layer 22, and a space layer 23.
  • the first recording layer 21 is A recording layer (layer 0) irradiated with a light beam without passing through another recording layer.
  • the second recording layer 22 is a recording layer (layer 1) that is irradiated after the light beam passes through the first recording layer 21.
  • the space layer 23 is a layer provided between the first recording layer 21 and the second recording layer 22 and is not a recording layer.
  • the one-dot chain line AX in Fig. 2 shows the axis of the double-layer DVD-R20.
  • the double-layer DVD-R20 rotates around the axis AX.
  • the first recording layer 21 has a user data area 24, a lead-in area 25, and a middle area 26.
  • the user data area 24 is an area where the user is allowed to record content data.
  • the lead-in area 25 exists outside the user data area 24 and is adjacent to the inner peripheral end of the user data area 24.
  • the middle area 26 exists outside the user data area 24 and is adjacent to the outer edge of the user data area 24.
  • the second recording layer 22 has a user data area 27, a lead-out area 28, and a middle area 29.
  • the user data area 27 is an area where the user is allowed to record content data.
  • the lead-out area 28 exists outside the user data area 27 and is adjacent to the inner peripheral end of the user data area 27.
  • the middle area 29 exists outside the user data area 27 and is adjacent to the outer edge of the user data area 27.
  • Boundary position between the lead-in area 25 and the user data area 24 (strictly, the start position of the user data area 24) A, and the boundary position between the lead-out area 28 and the user data area 27 (strictly, (End position of user data area 27) B-1 does not match in the radial direction of dual-layer DVD-R20. In other words, boundary position A and boundary position B-1 are in the axial direction of double-layer DVD-R 20!
  • FIG. 3 shows that data is recorded on the first recording layer 21 and the second recording layer 22 of the dual-layer DVD-R20 so that the two layers DV D-R20 have an axial force and are aligned with each other. Show the state! /
  • the two-layer DVD-R20 has the following restrictions to eliminate or reduce the effects of optical beam interlayer deflection. That is, as shown in FIG. 3, in order to stably record the data DT2 in the area AR2 in which the second recording layer 22 is present, the area AR2 is previously used in the axial direction of the dual-layer DVD-R20. It is desirable to record some data DT1 in the area AR 1 of the first recording layer 21 that is in a position that matches the direction.
  • the leading position P force data DT2 of the area AR2 of the second recording layer 22 is stably recorded.
  • This position Q-1 is located on the outer circumference side of the second layer DVD-R20 from the position P.
  • the distance L1 between the position P and the position Q-1 in the radial direction of the dual-layer DVD—R20 is, for example, about 23 EOh sectors in hexadecimal notation and about 9184 sectors in decimal notation. In the following, when expressing a numerical value in hexadecimal notation, add “h” to the numerical value.
  • FIG. 4 shows a state in which a plurality of data blocks are recorded on different recording layers in the dual-layer DVD-R20.
  • Double-layer DVD—R20 has the following restrictions: That is, seamless reproduction between these data blocks is not guaranteed unless the distance between two data blocks recorded in different recording layers is equal to or less than a predetermined distance. This predetermined distance is, for example, 65536 sectors.
  • the end position T-1 of the data block DB1 recorded in the first recording layer 21 and the start position U of the data block DB2 recorded in the second recording layer 22 The distance between them is equal to or less than the predetermined distance (described as “L3” in FIG. 4). Therefore, when the data block DB1 and the data block DB2 are reproduced in this order, seamless reproduction between the data block DB 1 and the data block DB2 is guaranteed.
  • the distance between the end position V-1 of the data block DB2 recorded in the second recording layer 22 and the start position W of the data block DB3 recorded in the first recording layer 21 is a predetermined distance L3. Bigger than. Therefore, when data block DB2 and data block DB3 are played back in this order, seamless playback between data block DB2 and data block DB3 is not guaranteed.
  • FIG. 5 shows an operation of recording content data in the recording device 10.
  • Figure 6 shows the recording state of content data on a dual-layer DVD-R20 realized by this recording operation. Showing the state.
  • the recording device 10 records content data on the dual-layer DVD-R 20 as follows, for example. That is, the user inputs an instruction to the recording device 10 that the content data should be recorded on the double-layer DVD-R20. In response to this, the recording apparatus 10 first secures a management information recording area 31 as shown in FIG. 5 (step Sl). The management information recording area 31 is secured by the area securing unit 11.
  • the position where the management information recording area 31 is secured is the innermost peripheral portion in the user data area 24 of the first recording layer 21.
  • the inner peripheral end of the management information recording area 31 and the outer peripheral end of the lead-in area 25 are adjacent to each other.
  • the start position of the management information recording area 31 is A
  • the end position of the lead-in area 25 is A-1.
  • the size of the management information recording area 31 is a size capable of recording, for example, about 712 Kbytes of data.
  • the management information recording area 31 is an area for recording management information such as a file system and VMGI. Note that the time when the management information is actually recorded in the management information recording area 31 is when the double-layer DVD-R20 is finalized. That is, in step S1, management information is not recorded, and only the management information recording area 31 is secured (reserved). The management information recording area 31 is maintained in an unrecorded state until the management information is recorded at the time of finalization.
  • the recording apparatus 10 subsequently records the adjustment data AD in the adjustment data recording area 32 (step S2 in FIG. 5).
  • the adjustment data AD is recorded by the adjustment data recording unit 12.
  • the adjustment data recording area 32 exists in the first recording layer 21 and is located outside the outer periphery side of the management information recording area 31.
  • the inner peripheral side end of the adjustment data recording area 32 is preferably adjacent to the outer peripheral end of the management information recording area 31.
  • the adjustment data recording area 32 intersects the boundary position B-1 between the lead-out area 28 and the user data area 27 and extends parallel to the axis AX (see Fig. 2) of the double-layer DVD-R20.
  • a position D where the straight line PL intersects the first recording layer 21 is included therein. That is, the adjustment data recording area 32 includes therein a position D immediately below the boundary position B-1 between the lead-out area 28 and the user data area 27.
  • a predetermined distance L4 is set in the radial direction of the double-layer DVD-R20 to eliminate or reduce the effects of optical beam interlayer deflection.
  • the predetermined distance L4 is, for example, about 23 EOh (about 9184) sectors equal to the distance L1 in FIG.
  • the tail position E-1 of the adjustment data recording area 32 is located on the outer peripheral side of the boundary position B between the lead-out area 28 and the user data area 27.
  • the adjustment data recording unit 12 first recognizes the position C following the management information recording area 31. Subsequently, the adjustment data recording unit 12 is positioned at the position of the first recording layer 21 that is a predetermined distance L4 away from the boundary position B-1 between the lead-out area 28 and the user data area 27 in the radial direction of the dual-layer DVD-R20. E is calculated. Subsequently, the adjustment data recording unit 12 records the adjustment data AD between the position C and the position E-1.
  • the adjustment data AD is preferably dummy data. However, the contents of the adjustment data AD are not limited to dummy data, and may be part of the content data or other management information.
  • the recording device 10 records content data (steps S3 to S5).
  • the content data is recorded by the content data recording unit 13 according to the layer jump recording method. That is, the content data recording unit 13 divides the content data into a plurality of data blocks # 1, # 2, # 3, # 4, and so on, and records the first data block # 1 on the first recording layer 21. Whenever the second data block # 2 is recorded on the second recording layer 22 and the third data block # 3 is recorded on the first recording layer 21, every time one data block is recorded. Then, change the recording layer to record the data block.
  • the content data recording unit 13 performs layer jump recording of content data according to a special rule as described below. That is, the content data recording unit 13 divides the content data into a plurality of data blocks each having a uniform size.
  • the odd-numbered data block and the even-numbered data block to be reproduced subsequently are two-layer DVD —R20.
  • These data blocks are arranged in the first recording layer 21 and the second recording layer 22, respectively, so that they are directed to each other in the axial direction.
  • the data block # 1 and the data block # 2 are arranged so as to face each other, and the data block # 3 and the data block # 4 are arranged so as to be directed to each other.
  • a predetermined distance eg 23EOh.
  • the distance between the start position E of data block # 1 and the end position B-1 of data block # 2 in the radial direction of the dual-layer DVD-R20 is also 23EOh sectors.
  • the distance between the last position H-1 of data block # 3 and the head position of data block # 4 is also 23EOh sectors.
  • the size of each data block is set so that the distance between two data blocks to be sequentially reproduced is equal to or less than a predetermined distance L3 (for example, 65536 sectors, see Fig. 4).
  • L3 for example, 65536 sectors, see Fig. 4
  • the size of each data block is set so that the distance between the end position B-1 of data block # 2 and the start position F of data block # 3 is 65536 sectors or less.
  • the content data recording operation in steps S3 to S5 is specifically as follows. First, the content data recording unit 13 records data block # 1 from position E of the first recording layer 21 (step S3). Subsequently, the content data recording unit 13 determines whether or not the recording of all the data blocks constituting the content data has been completed (scopy). Step S4). When recording of all the data blocks constituting the content data has not been completed (step S4: NO), the content data recording unit 13 performs a layer jump to change the irradiation position of the light beam from the first recording layer 21 to the second recording. Move to layer 22 (step S5).
  • the content data recording unit 13 records the data block to be recorded next, that is, the data block # 2 as well as the position G force of the second recording layer 22 (step S3). Subsequently, the content data recording unit 13 determines whether or not recording of all data blocks constituting the content data has been completed (step S4). When recording of all data blocks constituting the content data has not been completed (step S4: NO), the content data recording unit 13 performs a layer jump and changes the irradiation position of the light beam from the second recording layer 22 to the first one. Move to the recording layer 21 (step S5).
  • the content data recording unit 13 records the data block to be recorded next, that is, the data block # 3 from the position F of the first recording layer 22 (step S3).
  • the content data recording operation in the recording device 10 is as follows. Complete.
  • the recording device 10 divides the content data into a plurality of data blocks each having a uniform size, and performs layer-one jump recording on such data blocks. Then, the data block to be recorded on the first recording layer 21 and the data block to be recorded on the second recording layer 22 are arranged to face each other (although not completely) in the axial direction of the two-layer DVD-R20. Thereby, the distribution of the content data in the first recording layer 21 and the second recording layer 22 becomes uniform. Therefore, it is possible to easily manage the content data to be recorded or recorded on the dual-layer DVD-R20. Therefore, the development of the recording software installed in the recording apparatus 10 can be simplified.
  • the recording apparatus 10 records the data block # 2 to be recorded first on the second recording layer 22 so that the end position B-1 is adjacent to the start position B of the lead-out area 28. .
  • the content data can be recorded up to the very innermost part of the user data area 27 of the second recording layer 22. In other words, it is odd at the innermost part of the user data area 27. A free area is not formed.
  • the user data area 27 can be used effectively. Therefore, it is possible to prevent the actual recording capacity of the dual-layer DVD-R20 from becoming significantly smaller, and while adopting the layer jump recording method, the actual recording capacity of the dual-layer DV D-R20 is reduced to two layers.
  • the recording device 10 records the data block in the first recording layer 21 and the user area in order to record the data block to the very innermost part of the user data area 27 of the second recording layer 22.
  • the recording apparatus 10 has a second layer DVD-R20 that is a predetermined distance L4 away from the boundary position B-1 between the lead-out area 28 and the user data area 27 in the radial direction. 1Calculate the position E of the recording layer 21 and record the adjustment data AD between the position and position E-1.
  • the management information recording area 31 and the adjustment data recording area 32 are adjacent to each other.
  • the present invention is not limited to this.
  • the management information recording area 31 and the adjustment data recording area 32 may not be adjacent to each other.
  • the physical sector number at the boundary position A between the lead-in area 25 and the user data area 24 is 30000h, and the read-out area 28 and user data This is the physical sector number force FCC8FFh at boundary position B-1 with area 27.
  • the physical sector number at position E of the first recording layer 21 is 33701h.
  • the distance between the position A and the position E-1 of the first recording layer 21 is 3700h sectors.
  • the maximum size of the management information recording area 31 is about 15 Bh sectors (712 kbytes).
  • a clear area 33 is formed between the position C and the position K-1 of the first recording layer 21 as shown in FIG. can do.
  • the method of using the clear area 33 is not particularly limited as long as it does not violate the standard.
  • the embodiment as described above may be realized in the form of being configured integrally with hardware as a dedicated device, or may be realized by causing a computer to read a program.
  • a program in which commands for realizing the recording operation shown in FIG. 5 are described is created, and this program is read into the computer.
  • the computer resources function as the area securing unit 11, the adjustment data recording unit 12, and the content data recording unit 13 shown in FIG.
  • the area securing unit 11 is a specific example of the area securing unit
  • the adjustment data recording unit 12 is a specific example of the adjustment data recording unit
  • the content data recording unit 13 is the content data recording unit.
  • the lead-in area 25 in FIG. 2 is a specific example of the inner peripheral area of the first recording layer
  • the lead-out area 28 is a specific example of the inner peripheral area of the second recording layer.
  • step S1 is a specific example of the area securing process
  • step S2 is a specific example of the adjustment data recording process
  • step S3! And S5 are specific examples of the content data recording process. .
  • FIG. 8 shows an embodiment of the recording apparatus of the present invention.
  • a recording device 100 in FIG. 8 is a recording device that receives content data such as a television program transmitted from a television broadcasting station and records it on a hard disk or a dual-layer DVD-R200. This is a DVD recorder with a built-in tuner node disk drive.
  • the recording device 100 includes a television receiving circuit 101, an encoder 102, a hard disk drive 103, a disk recording control circuit 104, an optical pickup 105, a decoder 106, a digital analog converter 107, 108, and a CPU. 109, ROM110 and RAMI11.
  • the recording device 100 records content data transmitted from a television broadcasting station on a node disk, for example, as follows. That is, the television receiving circuit 101 receives content data corresponding to a television program transmitted from a television broadcast station and supplies it to the encoder 102. The encoder 102 encodes the content data supplied from the television receiving circuit 101 at a predetermined bit rate, and supplies this to the node disk drive 103. The hard disk drive 103 records the content data supplied from the encoder 102 on the hard disk.
  • the recording device 100 records content data transmitted from a television broadcasting station on a dual-layer DVD-R200 as follows, for example. That is, the television receiving circuit 101 receives content data corresponding to a television program transmitted from a television broadcast station and supplies it to the encoder 102. The encoder 102 encodes the content data supplied from the television receiving circuit 101 at a predetermined bit rate, and supplies this to the disc recording control circuit 104. The disc recording control circuit 104 controls the optical pickup 105 and records the content data supplied with the encoder 102 force on the dual-layer DVD-R 200.
  • the recording apparatus 100 records content data on the dual-layer DVD-R200 by the layer jump recording method.
  • the recording apparatus 100 performs the recording operation shown in FIG. That is, the ROM 110 stores a program for realizing the recording operation shown in FIG.
  • the recording device 100 performs the recording operation shown in FIG.
  • the CPU 109, ROM 110, RAMI 11, and disk recording control circuit 104, etc. function as the area securing unit 11, the adjustment data recording unit 12, and the content data recording unit 13 shown in FIG. .
  • the recording device 100 has a function of reproducing content data recorded on the hard disk.
  • the recording device 100 reproduces the content data recorded on the hard disk, for example, as follows. That is, the hard disk drive 103 supplies the content data recorded on the hard disk to the decoder 106.
  • the decoder 106 decodes the content data supplied from the hard disk drive 103, and is obtained by decoding.
  • the video data is supplied to the digital-analog converter 107 for video
  • the audio data obtained by decoding is supplied to the digital-analog converter 108 for audio.
  • the digital-analog converter 107 converts the video data supplied from the decoder 106 into an analog video signal, and outputs the video signal to a display panel (not shown) connected to the recording device 100, for example.
  • the digital-analog converter 108 converts the audio data supplied from the decoder 106 into an analog audio signal, and outputs the audio signal to, for example, a speaker (not shown) connected to the recording device 100.
  • the recording device 100 controls the optical pickup 105 to read the content data recorded on the dual-layer DVD-R200, and further controls the decoder 106 and the digital analog comparators 107 and 108 to read the content. It has a function to reproduce data.
  • the recording apparatus and recording method according to the present invention can be used for a recording apparatus that records information such as content data on a multilayer recording disk such as a double-layer DVD-R. Further, the present invention can also be used for a recording device or the like that is mounted on or connectable to various computer equipment for consumer use or business use.

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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

Des données sont divisées en blocs de données de taille identique, les blocs de données obtenus étant soumis à un enregistrement par saut de couche. Dans une seconde couche d'enregistrement (22), la fin du bloc de données (#2) devant être enregistré en premier est appariée à la fin de la zone de données d'utilisateur (27) de la seconde couche d'enregistrement (22). Des données fictives sont enregistrées comme données de réglage (AD) dans une première couche d'enregistrement (21) située immédiatement en-dessous d'un point de délimitation entre une zone de fin d'enregistrement (28) et la zone de données d'utilisateur (27) de la seconde couche d'enregistrement (22).
PCT/JP2006/319207 2005-09-27 2006-09-27 Dispositif d'enregistrement et procede d'enregistrement pour enregistrement d'informations sur un disque d'enregistrement multicouche WO2007037288A1 (fr)

Priority Applications (1)

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JP2007537652A JP4618741B2 (ja) 2005-09-27 2006-09-27 多層記録ディスクに対して情報を記録する記録装置および記録方法

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JP2005279585 2005-09-27
JP2005-279585 2005-09-27

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WO2007037288A1 true WO2007037288A1 (fr) 2007-04-05

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JP (1) JP4618741B2 (fr)
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0969264A (ja) * 1995-06-21 1997-03-11 Matsushita Electric Ind Co Ltd ２層光ディスク
JPH09106625A (ja) * 1995-10-06 1997-04-22 Victor Co Of Japan Ltd 光記録媒体及びその再生装置
JPH1131357A (ja) * 1997-07-08 1999-02-02 Pioneer Electron Corp 情報データの記録方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1937041A (zh) * 2000-09-13 2007-03-28 松下电器产业株式会社 光学信息记录方法
KR100677114B1 (ko) * 2004-04-27 2007-02-02 삼성전자주식회사 정보 저장 매체, 이 정보 저장 매체의 데이터 기록/재생방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0969264A (ja) * 1995-06-21 1997-03-11 Matsushita Electric Ind Co Ltd ２層光ディスク
JPH09106625A (ja) * 1995-10-06 1997-04-22 Victor Co Of Japan Ltd 光記録媒体及びその再生装置
JPH1131357A (ja) * 1997-07-08 1999-02-02 Pioneer Electron Corp 情報データの記録方法

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JP4618741B2 (ja) 2011-01-26

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