KR20050029380A - Optical disc and recording method of disc information of optical disc - Google Patents

Optical disc and recording method of disc information of optical disc Download PDF

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Publication number
KR20050029380A
KR20050029380A KR1020030065628A KR20030065628A KR20050029380A KR 20050029380 A KR20050029380 A KR 20050029380A KR 1020030065628 A KR1020030065628 A KR 1020030065628A KR 20030065628 A KR20030065628 A KR 20030065628A KR 20050029380 A KR20050029380 A KR 20050029380A
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South Korea
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recording
information
disc
related information
recorded
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KR1020030065628A
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Korean (ko)
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KR100984300B1 (en
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김진용
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엘지전자 주식회사
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Priority to KR1020030065628A priority Critical patent/KR100984300B1/en
Priority to PCT/KR2004/001550 priority patent/WO2005017889A1/en
Priority to AU2003303081A priority patent/AU2003303081B8/en
Priority to MXPA04007512A priority patent/MXPA04007512A/en
Priority to CA2482543A priority patent/CA2482543C/en
Priority to EP04737177A priority patent/EP1676270B1/en
Priority to CN2007100916639A priority patent/CN101042887B/en
Priority to ES04737177T priority patent/ES2325662T3/en
Priority to EP07017410A priority patent/EP1884936A3/en
Priority to DE602004020490T priority patent/DE602004020490D1/en
Priority to DK04737177T priority patent/DK1676270T3/en
Priority to BR0402881-3A priority patent/BRPI0402881A/en
Priority to AT04737177T priority patent/ATE428173T1/en
Priority to JP2006523118A priority patent/JP2007502493A/en
Priority to CN2007100916624A priority patent/CN101042886B/en
Priority to CN200480000853XA priority patent/CN1764963B/en
Priority to EP07017411A priority patent/EP1884937A3/en
Priority to CA2474995A priority patent/CA2474995C/en
Priority to US10/880,663 priority patent/US7564760B2/en
Priority to US10/881,469 priority patent/US7639584B2/en
Priority to DK04748381.3T priority patent/DK1642278T3/en
Priority to DE602004027425T priority patent/DE602004027425D1/en
Priority to ES04748381T priority patent/ES2336915T3/en
Priority to CN2007100877545A priority patent/CN101059967B/en
Priority to EP07104646.0A priority patent/EP1808856B1/en
Priority to EP04748381A priority patent/EP1642278B1/en
Priority to AU2004256679A priority patent/AU2004256679B2/en
Priority to PCT/KR2004/001624 priority patent/WO2005006324A1/en
Priority to AT07104648T priority patent/ATE469417T1/en
Priority to CN200710087755XA priority patent/CN101071583B/en
Priority to RU2005120173/28A priority patent/RU2394287C2/en
Priority to DE602004024532T priority patent/DE602004024532D1/en
Priority to CA2514302A priority patent/CA2514302C/en
Priority to BR0406613-8A priority patent/BRPI0406613A/en
Priority to CN2004800052763A priority patent/CN1754214B/en
Priority to EP07104648A priority patent/EP1811509B1/en
Priority to JP2006518536A priority patent/JP4859668B2/en
Priority to AT04748381T priority patent/ATE451687T1/en
Priority to MXPA05007243A priority patent/MXPA05007243A/en
Priority to MYPI20042671A priority patent/MY144128A/en
Priority to TW093120349A priority patent/TWI300922B/en
Priority to TW093120350A priority patent/TWI285887B/en
Priority to TW093120351A priority patent/TWI283402B/en
Priority to TW096109001A priority patent/TWI346949B/en
Priority to TW096109002A priority patent/TWI349275B/en
Priority to TW096107564A priority patent/TWI345776B/en
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Priority to US10/885,087 priority patent/US7345970B2/en
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Priority to AT06124334T priority patent/ATE467889T1/en
Priority to DE602004026224T priority patent/DE602004026224D1/en
Priority to EP04748539A priority patent/EP1656668B1/en
Priority to RU2006107929/28A priority patent/RU2334281C2/en
Priority to DK04748539T priority patent/DK1656668T3/en
Priority to BRPI0413592-0A priority patent/BRPI0413592A/en
Priority to DE602004024079T priority patent/DE602004024079D1/en
Priority to DK06124334.1T priority patent/DK1777701T3/en
Priority to EP07120282A priority patent/EP1921619B1/en
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Priority to ES04748539T priority patent/ES2335283T3/en
Priority to CN2007101623461A priority patent/CN101202056B/en
Priority to CNB2004800270876A priority patent/CN100437787C/en
Priority to AT06124032T priority patent/ATE462180T1/en
Priority to EP06124032A priority patent/EP1760702B1/en
Priority to CN2007101623476A priority patent/CN101202057B/en
Priority to PCT/KR2004/002038 priority patent/WO2005017879A2/en
Priority to EP06124334A priority patent/EP1777701B1/en
Priority to AT04748539T priority patent/ATE448545T1/en
Priority to ES06124334T priority patent/ES2345504T3/en
Priority to JP2006523136A priority patent/JP4809765B2/en
Priority to MXPA06001715A priority patent/MXPA06001715A/en
Priority to CA2535264A priority patent/CA2535264C/en
Priority to EP07120273A priority patent/EP1923870A3/en
Priority to RU2007135327/28A priority patent/RU2385503C2/en
Priority to DK06124032.1T priority patent/DK1760702T3/en
Priority to EP07120278A priority patent/EP1923871A3/en
Priority to AU2004265837A priority patent/AU2004265837B2/en
Priority to BRPI0413578-4A priority patent/BRPI0413578A/en
Priority to AU2004265840A priority patent/AU2004265840B2/en
Priority to RU2007135325/28A priority patent/RU2371786C2/en
Priority to EP04748537A priority patent/EP1656663B1/en
Priority to CN200610084145XA priority patent/CN1881428B/en
Priority to DE602004027170T priority patent/DE602004027170D1/en
Priority to AT07120282T priority patent/ATE491203T1/en
Priority to AT04748537T priority patent/ATE532178T1/en
Priority to MXPA06001724A priority patent/MXPA06001724A/en
Priority to PCT/KR2004/002041 priority patent/WO2005017882A2/en
Priority to CN2007101623480A priority patent/CN101202058B/en
Priority to CA2535263A priority patent/CA2535263C/en
Priority to RU2006107926/28A priority patent/RU2371785C2/en
Priority to CN2004800270861A priority patent/CN1853218B/en
Priority to CNB2006100840940A priority patent/CN100454413C/en
Priority to DE602004030496T priority patent/DE602004030496D1/en
Priority to JP2006523133A priority patent/JP2007502496A/en
Priority to TW095140641A priority patent/TWI331745B/en
Priority to TW093124591A priority patent/TWI326073B/en
Priority to TW096132931A priority patent/TWI353598B/en
Priority to TW096132930A priority patent/TW200822076A/en
Priority to MYPI20043317A priority patent/MY146879A/en
Priority to TW096132929A priority patent/TWI352345B/en
Priority to TW095134101A priority patent/TWI326074B/en
Priority to MYPI20043315A priority patent/MY148428A/en
Priority to TW093124592A priority patent/TWI331750B/en
Priority to US10/918,397 priority patent/US7342857B2/en
Priority to US10/918,508 priority patent/US7577074B2/en
Publication of KR20050029380A publication Critical patent/KR20050029380A/en
Priority to US11/437,624 priority patent/US7652960B2/en
Priority to US11/440,047 priority patent/US7630280B2/en
Priority to HK08103309.2A priority patent/HK1113014A1/en
Priority to HK06110912.8A priority patent/HK1090467A1/en
Priority to US11/714,897 priority patent/US7468936B2/en
Priority to US11/714,877 priority patent/US7542391B2/en
Priority to US11/723,807 priority patent/US7460453B2/en
Priority to US11/723,805 priority patent/US7596064B2/en
Priority to US11/723,806 priority patent/US7468937B2/en
Priority to US11/723,816 priority patent/US7542395B2/en
Priority to HK07103193.2A priority patent/HK1096192A1/en
Priority to JP2007081267A priority patent/JP4778465B2/en
Priority to JP2007081296A priority patent/JP2007172835A/en
Priority to JP2007109371A priority patent/JP4859740B2/en
Priority to JP2007109372A priority patent/JP4859741B2/en
Priority to RU2007135326/28A priority patent/RU2381573C2/en
Priority to US11/907,658 priority patent/US7684292B2/en
Priority to US11/907,659 priority patent/US7701817B2/en
Priority to US11/907,661 priority patent/US7701819B2/en
Priority to JP2007286636A priority patent/JP2008084528A/en
Priority to JP2007286635A priority patent/JP2008097815A/en
Priority to JP2007286634A priority patent/JP5005507B2/en
Priority to US12/068,919 priority patent/US7697384B2/en
Priority to JP2010145405A priority patent/JP4896252B2/en
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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00456—Recording strategies, e.g. pulse sequences
    • 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
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/122—Control 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
    • 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
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/127—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving detection of the number of sides, e.g. single or double, or layers, e.g. for multiple recording or reproducing 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
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G11B2020/1227—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc one layer of multilayer disc
    • 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
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1278—Physical format specifications of the record carrier, e.g. compliance with a specific standard, recording density, number of layers, start of data zone or lead-out
    • G11B2020/1279—Permanent information and control data stored in the PIC zone of a Blu-Ray disc
    • 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
    • G11B2220/216—Rewritable 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
    • G11B2220/237—Multilayer discs, i.e. multiple recording layers accessed from the same side having exactly two recording layers
    • 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

Abstract

An optical disk and a disk information recording method of the optical disk are provided to record disk information in a specific area of a disk with a standardized method, thereby supplying mutual compatibility between the same kind of disks while quickly obtaining optimum WS(Write Strategy)-related information regarding to a specific velocity. Each piece of disk information is distinguished by velocity and recording layer, to record corresponding WS information. The WS information can be recordable in plural kinds. When the WS information is recorded within disk information, a smaller amount of WS information than the plural kinds of the recordable WS information is selected/recorded. When m WS information related to 1 velocity is recorded, the first WS information forcibly records specific kinds of WS information, while (m-1) amount of the rest WS information is selectively recorded.

Description

광디스크 및 광디스크의 디스크정보 기록방법{Optical disc and recording method of Disc Information of optical disc}Optical disc and recording method of Disc Information of optical disc

본발명은 기록가능한 광디스크에서 디스크정보를 기록하는 방법에 관한 것으로, 특히 디스크정보내에 기록관련정보(WS)를 기록하는 방법 및 이를 이용한 광디스크 기록방법 및 기록재생장치에 관한 것이다.The present invention relates to a method of recording disc information in a recordable optical disc, and more particularly, to a method of recording record related information (WS) in the disc information, and an optical disc recording method and recording / reproducing apparatus using the same.

광 기록매체로서 대용량의 데이터를 기록할 수 있는 광 디스크가 널리 사용되고 있다. 그 중에서도 최근에는 고화질의 비디오 데이터와 고음질의 오디오 데이터를 장시간 동안 기록하여 저장할 수 있는 새로운 고밀도 광기록 매체(HD-DVD), 예를 들어 블루레이 디스크(Blu-ray Disc)가 개발되고 있다. As optical recording media, optical disks capable of recording large amounts of data are widely used. Recently, new high-density optical recording media (HD-DVD), for example, Blu-ray Disc, which can record and store high-quality video data and high-quality audio data for a long time, have been developed.

차세대 HD-DVD 기술인 블루레이 디스크(Blu-ray Disc)는 기존의 DVD를 현저하게 능가하는 데이터를 저장할 수 있는 차세대 광기록 솔루션으로 근래에 이에 대한 세계표준의 기술사양이 정립되고 있다. Blu-ray Disc, the next-generation HD-DVD technology, is a next-generation optical recording solution that can store data that significantly surpasses existing DVDs. Recently, world-standard technical specifications have been established.

관련하여, 블루레이 디스크에 관련된 각종 표준안이 마련되고 있으며, 재기록 가능한 1배속 블루레이 디스크(BD-RE)에 이어서 1회 기록가능한 블루레이 디스크(BD-WO) 및 재기록 가능한 고배속 블루레이 디스크(BD-RE) 에 대한 각종 표준안이 마련되고 있다.In this regard, various standards related to Blu-ray Discs have been prepared, followed by a rewritable 1x Blu-ray Disc (BD-RE), followed by a write-once Blu-ray Disc (BD-WO) and a rewritable High-speed Blu-ray Disc (BD). Various standard proposals for (RE) are being prepared.

상기와 같은 BD-RE의 경우 1배속으로 재기록가능한 경우만이 논의되고 있으나, 향후 고배속(2배속이상) BD-RE의 경우에도 대응할 필요가 있으며, 특히 최근 논의중인 BD-WO의 경우는 고배속에 대한 규격화작업도 진행중인 바, 고밀도 광디스크에서 고배속에 대응하는 효율적인 대응방안 마련이 절실히 요구된다 할 것이며, 특히 이는 규격화된 정보로서 제공되어야 상호간의 호환성을 확보할 수 있다 할것이다. In the case of the above BD-RE, only the case where rewritable at 1x speed is discussed, it is necessary to cope with future high-speed (more than 2x) BD-RE, especially in case of BD-WO which is recently discussed. As standardization is also in progress, efficient countermeasures for high speeds in high density optical discs are urgently required, and in particular, this should be provided as standardized information to ensure mutual compatibility.

본발명은 상기의 실정을 감안하여 창작된 것으로, 고배속에 대응하는 규격화된 정보로서 디스크정보를 기록하는 새로운 방법을 제시하고자 하며, 특히 디스크정보내에 기록관련정보(WS)를 효율적으로 기록하고, 기록된 기록관련정보(WS)로부터 광디스크의 효율적인 기록을 수행하는 데 그 목적이 있는 바, 다음과 같은 특징적인 기술적 과제를 가지고 있다. The present invention was created in view of the above situation, and aims to propose a new method of recording disc information as standardized information corresponding to high speed, and particularly, records and records recording related information (WS) in the disc information efficiently. The purpose of performing efficient recording of an optical disc from the recorded recording related information WS has the following technical problems.

고배속에 대응하는 디스크정보를 디스크내의 특정영역에 규격화된 방법으로 기록하므로서 동일계열의 디스크간의 상호 호환성을 제공하고자 하며,By recording the disc information corresponding to the high speed in the standardized method in the specific area of the disc, it is intended to provide mutual compatibility between the discs of the same series.

또한 기록된 디스크정보를 이용하여 광디스크에 실제 데이터를 기록시, 특정배속에 관련된 최적의 기록관련정보(WS)를 빠르게 취득하여 기록하는 방법을 제공하고자 한다.In addition, when recording the actual data on the optical disk using the recorded disk information, it is to provide a method for quickly obtaining and recording the optimal recording related information (WS) related to a specific speed.

상기 기술적 과제를 해결하기위한 본발명에 의한 광디스크의 디스크정보를 기록하는 방법은, 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서, 각각의 디스크정보는 배속별 및 기록층별로 구분되어 해당 기록관련정보(WS)를 기록하되, 상기 기록관련정보(WS)는 복수개(n)의 종류로 기록가능하지만, 디스크정보내에 기록시에는 상기 기록가능한 복수개(n)의 기록관련정보(WS)보다 적은 수(m: m<n)만큼을 선택하여 기록하는 것을 특징으로 하며,In the method for recording the disk information of the optical disk according to the present invention for solving the above technical problem, in the method of recording a plurality of disk information in the management area of the optical disk having at least one recording layer, each disk information is doubled Records the relevant recording related information (WS) divided by stars and recording layers, and the recording related information (WS) can be recorded in plural (n) types, but the recordable plural (n) when recording in disc information Characterized in that to select by recording less than the number (m: m <n) of the recording-related information (WS),

또한 본발명에 의한 광디스크의 디스크정보를 기록하는 다른 방법은, 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서, 디스크정보내에는 배속별 및 기록층별로 구분되어 해당 기록관련정보(WS)를 기록하되, 상기 기록관련정보(WS)는 배속별 및 기록층별로 복수개의 종류(n)중 2개를 선택하여 각각 디스크정보내에 기록하는 것을 특징으로 하며, Another method of recording disc information of an optical disc according to the present invention is a method of recording a plurality of disc information in a management area of an optical disc having at least one recording layer, wherein the disc information is divided by speed and recording layer. And record the corresponding recording related information (WS), wherein the recording related information (WS) selects two of a plurality of types (n) for each speed and recording layer and records them in the disc information, respectively.

또한 본발명에 의한 광디스크의 디스크정보를 기록하는 또다른 방법은, 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서, 모든 디스크정보내에는 해당 디스크가 허용가능한 배속정보와, 허용가능한 기록관련정보(WS) 종류와, 해당 디스크내에 존재하는 기록층정보를 동일하게 기록하고, 각각의 디스크정보내에는 해당 배속에서 최적의 기록관련정보(WS) 종류를 지시하는 정보를 기록하는 것을 특징으로 하며,In addition, another method of recording disc information of an optical disc according to the present invention is a method of recording a plurality of disc information in a management area of an optical disc having at least one recording layer, wherein the disc is acceptable in all the disc information. The same speed information, the allowable type of recording related information (WS), and the recording layer information existing in the disc are recorded in the same manner, and each disc information indicates the optimal type of recording related information (WS) at the corresponding speed. Characterized by recording information,

또한 본발명에 의한 광디스크는, 기록가능한 영역과, 프리기록되어 기록이 불가능한 영역을 구비한 적어도 하나이상의 기록충을 가진 광디스크에서, 상기 프리기록된 영역내에는 복수의 디스크정보를 기록할 수 있는 영역을 구비하고, 상기 디스크정보내에는 해당 디스크가 허용가능한 배속정보와, 허용가능한 기록관련정보(WS) 종류와, 해당 디스크내에 존재하는 기록층정보를 기록하는 제1영역과, 해당 배속에서 최적의 기록관련정보(WS) 종류를 지시하는 정보를 기록하는 제2영역을 구비한 것을 특징으로 하며,An optical disc according to the present invention is an optical disc having at least one recording charge having a recordable area and a pre-recorded and non-recordable area, in which a plurality of disc information can be recorded in the pre-recorded area. The disc information includes a first area for recording the speed information that the disc can accept, the type of record related information (WS) that is acceptable, the recording layer information existing in the disc, and the optimum speed at the speed. And a second area for recording information indicating the type of recording related information (WS),

또한 본발명에 의한 광디스크의 기록방법은, 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보가 기록가능하고, 상기 복수의 디스크정보를 이용하여 광디스크에 데이터를 기록하는 방법에 있어서, 상기 각각의 디스크정보내에 기록된 최적의 기록관련정보(WS) 종류로부터 배속별 최적의 기록관련정보(WS)의 종류를 확인하는 단계와, 상기 각 배속별 최적의 기록관련정보(WS)의 종류를 적용하여 해당 배속의 기록을 수행하는 단계로 이루어 진것을 특징으로 하며,      The optical disc recording method according to the present invention is also capable of recording a plurality of pieces of disc information in a management area of an optical disc having at least one recording layer, and using the plurality of pieces of disc information to record data on the optical disc. Confirming the type of optimal recording information (WS) for each speed, from the type of optimal recording information (WS) recorded in the respective disc information, and the type of optimal recording information (WS) for each speed Characterized in that it consists of a step of performing the recording of the corresponding speed to apply,

또한 본발명에 의한 광디스크의 기록재생장치는, 기록명령을 전달하는 제어부와, 상기 기록명령을 수신하고, 기록명령에 따라 기록을 수행함에 있어, 광디스크의 관리영역내에 기록되어진 디스크정보를 독출하되, 디스크정보내에 기록된 최적의 기록관련정보(WS)의 종류로부터 배속별 최적의 기록관련정보(WS)의 종류를 학인하고, 상기 각 배속별 최적의 기록관련정보(WS)의 종류를 적용하여 해당 배속의 기록을 수행하는 기록재생부로 이루어진 것을 특징으로 한다.In addition, the recording and reproducing apparatus of the optical disc according to the present invention reads out the disc information recorded in the management area of the optical disc in the control unit which transmits the recording command, and in receiving the recording command and performing recording according to the recording command. By checking the type of optimal recording related information (WS) for each speed, from the type of optimal recording related information (WS) recorded in the disc information, and applying the type of the optimal recording related information (WS) for each speed. And a recording / playback section for recording the corresponding speed.

이하 본 발명에 따른 광디스크의 디스크정보 기록방법 및 광디스크 기록재생장치에 대한 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하기로 한다. 설명의 편의상 광디스크는 기록가능한 블루레이 디스크(BD-RE/BD-WO)의 경우를 예로하여 설명하고자 한다.Hereinafter, a preferred embodiment of a disc information recording method and an optical disc recording / reproducing apparatus of an optical disc according to the present invention will be described in detail with reference to the accompanying drawings. For convenience of explanation, an optical disc will be described by taking a case of a recordable Blu-ray disc (BD-RE / BD-WO) as an example.

아울러, 본발명에서 사용되는 용어는 가능한한 현재 널리 사용되는 일반적인 용어를 선택하였으나, 특정한 경우는 출원인이 임의로 선정한 용어도 있으며 이경우는 해당되는 발명의 설명부분에서 상세히 그 의미를 기재하였으므로, 단순한 용어의 명칭이 아닌 용어가 가지는 의미로서 본발명을 파악하여야 됨을 밝혀두고자 한다.In addition, the terms used in the present invention was selected as a general term widely used as possible now, but in certain cases, the term is arbitrarily selected by the applicant, in which case the meaning is described in detail in the description of the invention, The present invention is to be understood as the meaning of terms rather than names.

도1은 본발명에 의한 광디스크의 구조를 도시한 것으로, 본발명이 적용되는 광디스크는 기록가능한 광디스크이면 충분하고, 여러번 재기록가능한 광디스크이거나 1회기록가능한 광디스크인 것을 불문하고 적용가능하다 할 것이다.Fig. 1 shows the structure of an optical disc according to the present invention, and an optical disc to which the present invention is applied is sufficient if a recordable optical disc is sufficient, and it can be applied regardless of whether it is an optical disc that can be rewritable many times or once.

도1은 본발명의 광디스크의 구조로서 기록층이 하나인 싱글레이어(Single Layer) 구조에 대해 도시되어 있으며, 도2는 기록층이 복수인 듀얼레이어(Dual Layer)의 경우에 대해 도시한 것이다. 듀얼레이어에서 리드인으로 시작되는 기록층을 제1기록층(Layer0)이라 하고, 리드아웃으로 끝나는 기록층을 제2기록층(Layer1) 이라 한다. 따라서, 기록층은 여러층으로 확장가능하며 확장된 기록층은 각각 제3기록층(Layer2), 제4기록층(Layer3) 과 같이 명명하는 것도 가능할 것이다. FIG. 1 is a structure of an optical disc of the present invention, which shows a single layer structure having one recording layer, and FIG. 2 shows a case of a dual layer having multiple recording layers. The recording layer starting with lead-in in the dual layer is called the first recording layer (Layer0), and the recording layer ending with lead-out is called the second recording layer (Layer1). Therefore, the recording layer can be expanded into multiple layers, and the extended recording layer may be named as the third recording layer Layer2 and the fourth recording layer Layer3, respectively.

디스크의 내주와 외주영역에는 관리영역으로 리드인과 리드아웃영역이 구비되어 있고, 특히 디스크내주영역에는 프리기록(pre-recorded)된 영역과 기록가능한 (rewritable or write-once) 영역으로 구분되어 있다. 프리기록된 영역이란 디스크제작시 이미 기록되어 있는 영역으로 사용자 또는 시스템에 의해 더이상 기록이 불가능한 영역으로, 특히, BD-RE/WO 에서는 상기 프리기록영역을 PIC(Permanent Information & Control data) 라고 명명하며, 상기 PIC영역에는 디스크에의 기록 및 관리등에 필요한 정보로서, 디스크정보(Disc Information, 이하 "DI"라고도 한다)가 기록되어 있다. 데이터영역 (Data Area)에는 사용자의 실제데이터가 기록되는 유저데이터영역(User Data Area)와 결함영역의 발생시 이를 대체하기 위한 스페어영역 (ISA, OSA)이 각각 구비되어 있으며, 특히 BD-WO와 같은 1회 기록가능한 광디스크에서는 디스크 결함관리 및 일반관리를 위한 정보를 기록하는 TDMA (Temporary Defect Management Area)가 구비되어 있다. 재기록가능한 BD-RE의 경우 TDMA는 필요없는 영역이므로 reserved영역으로 남겨두게 된다.The inner and outer peripheral areas of the disc are provided with lead-in and lead-out areas as management areas. In particular, the disc inner circumferential area is divided into a pre-recorded area and a rewritable or write-once area. . The pre-recorded area is an area that is already recorded at the time of disc creation and is no longer recordable by the user or the system. In particular, in BD-RE / WO, the pre-recorded area is called PIC (Permanent Information & Control data). In the PIC area, disc information (also referred to as "DI") is recorded as information necessary for recording and management on a disc. The data area is provided with a user data area in which the user's actual data is recorded and spare areas (ISA, OSA) for replacing a defective area, in particular, such as a BD-WO. An optical disc that can be written once is provided with a TDMA (Temporary Defect Management Area) for recording information for disc defect management and general management. In the case of a rewritable BD-RE, TDMA is left as a reserved area because it is not necessary.

본발명은 상기 프리기록된영역에 디스크의 기록재생에 필요한 배속정보 및 기록관련정보(Write Strategy; 이하 "WS"라고도 한다)등을 효율적으로 기록하는 것은 물론 상기 복수개로 존재하는 디스크정보를 용이하게 취득하기 위한 관련정보를 기록하는 방법에 관한 것이다. The present invention not only efficiently records speed information and recording related information (hereinafter referred to as "WS") required for recording and reproducing a disc in the pre-recorded area, but also facilitates the recording of a plurality of disc information. A method of recording related information for acquisition.

또한, 디스크의 종류마다 프리기록된영역에의 기록방식이 상이하게 적용되는 바, BD-RE/WO의 경우 상기 프리기록된 영역으로서 PIC영역은 바이페이즈(Biphase)된 고주파변조된 신호로 기록해두고 있으며, 해당영역의 고주파변조된 신호를 특정의 재생방식에 따라 재생하고 이로부터 정보를 취득하게 된다. In addition, the recording method of the pre-recorded area is differently applied to each disc type. In the case of BD-RE / WO, the PIC area as the pre-recorded area is recorded as a biphase high frequency modulated signal. The high frequency modulated signal of the corresponding area is reproduced according to a specific reproduction method, and information is obtained therefrom.

도3은 도1 및 도2와 같은 디스크구조에서 PIC영역의 구조를 간략히 도시한 것이다. 이는 앞서 설명한 바와 같이 고주파변조된 PIC영역내의 정보를 모두 취득하였을때 도3과 같은 구조로 정보를 재배열할 수 있음을 의미하는 것으로, 물리적으로 PIC영역이 도3과 같이 기록되어 있는 것은 아니라 할것이다. BD-RE/WO에서의 최소기록단위는 "1클러스터(cluster)"로 나타내고 PIC영역은 544클러스터가 모여 하나의 상위 기록단위로서 프레그먼트(Fragment)를 형성하고, 총5개의 프레그먼트(Fragment)가 모여 PIC영역을 형성하게 된다. 첫번째 프레그먼트(IF0)의 선두 클러스터에는 디스크정보를 기록하게 되는 바, 디스크정보는 해당 광디스크가 허용가능한 기록층별 및 허용가능한 배속별로 복수의 개수로 기록하며, 하나의 디스크정보는 112바이트(bytes)로 구성하였다. 112바이트로 구성된 디스크정보를 특히 디스크정보 프레임 (DI frame)이라고도 한다. 또한, 나머지 프레그먼트의 선두 클러스터에도 동일한 내용의 디스크정보들을 반복하여 기록하여 둠으로서, 디스크정보의 손실에 대응할 수 있게 하였다. FIG. 3 briefly shows the structure of the PIC region in the disk structure shown in FIGS. This means that when all the information in the high frequency modulated PIC region is acquired as described above, the information can be rearranged in the structure as shown in FIG. 3, and the PIC region is not physically recorded as shown in FIG. 3. . In the BD-RE / WO, the minimum recording unit is represented by "1 cluster", and the PIC area is divided into 544 clusters to form a fragment as one upper recording unit, and a total of five fragments ( Fragments) gather to form the PIC region. Disc information is recorded in the head cluster of the first fragment IF0. The disc information is recorded in plural numbers per recordable layer and permissible speed of the optical disc, and one disc information is 112 bytes (bytes). ). The disk information composed of 112 bytes is also called a disk information frame (DI frame). In addition, by repeatedly recording the same disk information in the head cluster of the remaining fragments, it is possible to cope with the loss of the disk information.

또한, 상기 각각의 디스크정보내에는 기록관련정보(WS)를 기록하되, 기록관련정보(WS)는 규격으로 다양한 종류가 기결정되어 있고, 이중 어느하나를 선택적으로 기록하도록 하였다. In addition, although the recording related information WS is recorded in each of the disc information, various kinds of recording related information WS are predetermined as a standard, and any one of them is selectively recorded.

기록관련정보(WS)에 대해 부언하여 설명하면, 일반적으로 기록가능한 광디스크는 광디스크내의 기록층에 픽업(도10, 11)을 통해 레이저빔을 주사하여 기록층의 매질특성을 변경시키므로서 기록을 수행하게 된다. 따라서, 레이저빔의 강도(기록파워)를 어느정도로 할 것인지, 기록파워를 주사하는 시간을 어느정도로 할 것인지등을 결정하여야 하며, 상기와 같이 결정된 다양한 기록관련 정보를 일반적으로 "Write Strategy(WS)"로 명명하고, 특정 "Write Strategy(WS)"내에 기록되는 구체적인 내용을 "Write Strategy(WS) 파라미터(parameters)"라 명명하기도 한다.In the description related to the recording related information WS, generally a recordable optical disc performs recording by changing a medium characteristic of the recording layer by scanning a laser beam through a pickup (Figs. 10 and 11) to the recording layer in the optical disc. Done. Therefore, it is necessary to determine how much the intensity (recording power) of the laser beam, how long to scan the recording power, and the like. The various recording-related information determined as described above is generally referred to as "Write Strategy (WS)". "Write Strategy (WS) parameters" may also be referred to as "Write Strategy (WS) parameters."

또한 기록관련정보(WS)는 다양한 방식으로 기록가능한 바, 디스크가 고밀도/고배속화 될수록 기록층의 매질특성뿐만아니라 기록배속(달리 표현하면 디스크회전수)등에 큰영향을 받게되므로 더욱 정밀한 방식이 요구된다 할것 인바, 상기 다양한 기록관련정보(WS)는 예를들면, 다음과 같은 종류가 있을 수 있다. 하나는 기록층매질에 형성하는 기록마크 (mark) 크기(n)보다 하나적은 기록펄스(pulse)를 가지는 방식이 있고 (이를 "(n-1) WS"라고도 한다), 또는 기록마크(mark) 크기(n)보다 절반의 기록펄스(pulse)를 가지는 방식이 있을 수 있다(이를 "n/2 WS"라고도 한다). 상기외에도 새로운 기록관련정보(WS)가 계속 개발되고 있는 실정이며, 서로다른 종류의 기록관련정보(WS)는 기록관련정보(WS)에 적용하는 파라미터 (parameter)들도 모두 상이해 짐에 따라 상기와 같이 여러가지 방식의 기록관련정보(WS)가 존재하는 경우에, 디스크제작자는 이중 선택된 기록관련정보(WS) 종류에 따라 기록파워를 테스트하고 그결과를 디스크정보내의 P~111번째 바이트에 기록관련정보(WS) 파라미터 (parameter)로 기록해 두는 것이다. In addition, the recording related information (WS) can be recorded in various ways. As the disk becomes denser / higher in speed, the more precise method is required because it is affected by not only the characteristics of the recording layer but also the recording speed (in other words, the disk rotation speed). For example, the various record related information WS may be of the following types, for example. One method has a recording pulse smaller than the recording mark size (n) formed in the recording layer medium (also referred to as "(n-1) WS"), or a recording mark. There may be a method having a recording pulse of half the size n (also referred to as "n / 2 WS"). In addition to the above, new record related information (WS) has been continuously developed, and different types of record related information (WS) have different parameters applied to the record related information (WS). When there are various types of recording related information (WS) as shown above, the disc maker tests recording power according to the selected type of recording related information (WS) and records the result in the P-111th byte in the disk information. It is recorded as an information (WS) parameter.

본발명은 특히, 상기 다양한 종류의 기록관련정보(WS)를 디스크정보내에 기록시에, 디스크를 제작하는 제작자(디스크정보를 기록하는자)의 편의를 위해 규격화된 여러종류(예를들어, n개 종류)의 기록관련정보(WS)중 배속별 특정개수(예를들어, m개로서, m<n)만큼의 기록관련정보(WS) 종류에 대해서만 선택적으로 기록가능하도록 하고, 아울러 상기와 같이 기록된 디스크정보를 이용하여 광디스크 기록을 수행하는 광디스크 기록재생장치(드라이버 또는 레코더)를 개발하는 제작자의 편의를 위해, 상기 디스크정보내에 기록된 각 배속별 복수개(m개) 기록관련정보(WS) 종류중 최적의 기록관련정보(WS) 종류가 어느 것인지를 지시하는 정보를 디스크정보내에 기록하도록 하는 것을 특징으로 한다.In particular, the present invention provides a number of standardized types (e.g., n) for the convenience of a producer (who records disc information) that makes a disc when recording the above-mentioned various kinds of recording related information (WS) in the disc information. It is possible to selectively record only a specific number of recording related information WS (e.g., m <n) for each specific speed among the recording related information WS of the dog type). For the convenience of a producer who develops an optical disc recording / reproducing apparatus (driver or recorder) that performs optical disc recording by using the recorded disc information, a plurality (m) recording related information (WS) for each double speed recorded in the disc information. It is characterized in that information indicative of the type of optimal recording related information (WS) among the types is recorded in the disc information.

이하 도4부터 도9까지를 통해 본발명에서 상기 디스크정보를 기록하는 방법 및 이를 이용한 광디스크정보 기록방법에 대한 다양한 실시예를 상세히 설명하기로 한다.Hereinafter, various embodiments of the method for recording the disk information and the optical disk information recording method using the same will be described in detail with reference to FIGS. 4 to 9.

도4부터 도6까지는 본발명의 디스크정보를 기록하는 제1실시예를 설명하기 위해 디스크정보의 구조를 간략히 도시한 것으로, 최대 허용가능한 기록관련정보(WS)의 종류(n개)보다 적은 개수(m개:m<n)의 기록관련정보(WS) 종류만을 디스크정보내에 기록하도록 하고, 나아가 디스크제작자가 복수개의 기록관련정보(WS) 종류중 특정 기록관련정보(WS) 종류를 선택적 (optional)으로 기록가능하게 하므로서 디스크제작자의 편의가 보장되면서도 효율적인 디스크정보의 기록이 가능하도록 한 것이다.4 to 6 briefly show the structure of the disc information for explaining the first embodiment of recording the disc information of the present invention, which is less than the number (n) of the maximum allowable record related information WS. (m: m <n) to record only the recording related information (WS) type in the disc information, and furthermore, the disc producer may select the specific recording related information (WS) type among the plurality of recording related information (WS) types. By making it possible to record data in a disk, it is possible to record the disk information efficiently while ensuring the convenience of the disk maker.

이하 본발명의 디스크정보를 기록하는 제1실시예를 도4부터 도6까지를 참조하여 설명하면 다음과 같다.Hereinafter, a first embodiment of recording disc information of the present invention will be described with reference to FIGS. 4 to 6.

도4는 디스크정보내에 기록되는 필드를 간략히 도시한 것으로, 먼저, 디스크정보마다 일련번호로서 순서를 정해두고, 이를 1바이트(byte)로 기록해둔다. 예를들면 디스크정보내 5번째 바이트에 이 정보를 기록해두고, 이를 "DI frame sequence number in DI block"필드라 명명하고, 간략히 "00h, 01h, 02h ---" 등으로 표현하였다. 즉, 5번째 바이트의 정보가 "00h"이면 첫번째 디스크정보를 의미하며, "07h"이면 8번째 디스크정보임을 의미한다 할 것이다. Fig. 4 briefly shows the fields recorded in the disc information. First, the sequence is determined as a serial number for each disc information, and this is recorded in 1 byte. For example, this information is recorded in the fifth byte of the disk information, and this information is named as the "DI frame sequence number in DI block" field, and is briefly expressed as "00h, 01h, 02h ---". That is, if the information of the fifth byte is "00h", it means the first disk information, and if it is "07h", it means that it is the eighth disk information.

디스크정보내의 특정영역(N번째 바이트)에는 해당 디스크가 허용가능한 배속정보를 기록하되, 이를 "Writing speed flag"필드로 명명하였다. 예를들어 1바이트를 할당한 동영역에는 8가지 배속에 대해 해당 디스크가 특정배속을 허용가능한지 여부를 1비트씩 표현 하도록 하였다. 즉, 모든 비트에서 비트값이 "0b"이면 해당 배속을 허용(지원)하지 않음을 의미하고, "1b"이면 해당 배속을 허용(지원)함을 의미하는 것으로 정의해 둘 수 있다. 따라서, 1바이트내의 각각의 비트(b0~b7)는 특정배속의 허용여부를 지시하는 플래그(flag)정보가 되는 것이다. 예를들어 해당 디스크가 1배속(1X)에 대해서만 허용가능하다면, N번째 바이트는 "0000 0001b"로서 기록될 것이고, 만약 8가지 배속에 대해 모두 허용가능하다면, N번째 바이트는 "1111 1111b"로서 기록될 것이다. In the specific area (Nth byte) in the disc information, the speed information that the disc can accept is recorded, and this is named as the "Writing speed flag" field. For example, in the same area where 1 byte is allocated, 1 bit is used to express whether or not the disk can allow a specific speed for 8 speeds. That is, if a bit value is "0b" in all bits, it may mean that the corresponding speed is not allowed (supported), and if "1b" is defined, it means that the corresponding speed is allowed (supported). Therefore, each of the bits b0 to b7 in one byte becomes flag information indicating whether to allow a specific speed. For example, if the disk is only acceptable for 1x (1X), the Nth byte would be written as "0000 0001b", and if all of the 8x speeds were acceptable, then the Nth byte would be "1111 1111b". Will be recorded.

상기에서 1배속(1X)과 2배속(2X)은 거의 모든 디스크에서 활용되는 배속으로 미리 결정된 배속을 적용하였으나, 3번째 이후 배속에 대해서는 규격으로 결정되는 배속을 사용할 수 있는 바, 예를들면 3번째 배속(3rd X)은 4배속으로, 4번째 배속(4th X)은 6배속으로, 5번째 배속(5th X)은 8배속으로, 6번째 배속(6th X)은 12배속으로, 7번째 배속(7th X)은 14배속으로, 8번째 배속(8th X)은 16배속등으로 결정하는 것도 가능하다 할 것이다.In the above, 1X (1X) and 2X (2X) apply a predetermined speed as the speed used in almost all disks, but for the third and subsequent speeds, the speed determined by the standard can be used. 4th speed (3rd X), 4th speed (4th X) at 6x speed, 5th speed (5th X) at 8x speed, 6th speed (6th X) at 12x speed, 7th speed It is also possible to determine (7th X) at 14x, and 8th (8th X) at 16x.

또한 디스크정보내의 다른 특정영역(L번째 바이트)에는 해당 디스크가 규격으로 허용하는 기록관련정보(WS)의 종류를 알려주는 정보를 기록하되, 이를 "Write Strategy (WS) flag"필드로 명명하였다. 예를들어 1바이트를 할당한 동영역에는 8가지 기록관련정보(WS) 종류에 대해 해당 디스크가 특정 기록관련정보(WS)를 허용가능한지 여부를 1비트씩 표현 하도록 하였다. 즉, 모든 비트에서 비트값이 "0b"이면 해당 기록관련정보(WS)를 허용(지원)하지 않음을 의미하고, "1b"이면 해당 기록관련정보(WS)를 허용(지원)함을 의미하는 것으로 정의해 둘 수 있다. 따라서, 1바이트내의 각각의 비트(b0~b7)는 해당 비트가 의미하는 기록관련정보(WS) 종류의 허용여부를 지시하는 플래그(flag)정보가 되는 것이다. 예를들어 해당 디스크가 제1타입~제3타입까지의 기록관련정보(WS1~WS3)에 대해서만 허용가능하다면, L번째 바이트는 "0000 0111b"로서 기록될 것이고, 만약 8가지 타입의 기록관련정보 (WS1~WS8)에 대해 모두 허용가능하다면, L번째 바이트는 "1111 1111b"로서 기록될 것이다. In addition, the other specific area (L-th byte) in the disc information recorded information indicating the type of recording related information WS allowed by the disc, and named it "Write Strategy (WS) flag" field. For example, in the same area in which one byte is allocated, eight bits of the recording related information (WS) are represented by one bit to indicate whether or not the disk can accept the specific recording related information (WS). That is, if the bit value is "0b" in all bits, it means that the corresponding recording related information (WS) is not allowed (supported), and "1b" means that the relevant recording related information (WS) is allowed (supported). It can be defined as. Therefore, each bit b0 to b7 in one byte becomes flag information indicating whether or not the type of the recording related information WS that the corresponding bit means is allowed. For example, if the disc is only acceptable for write related information WS1 to WS3 of the first to third types, the L-th byte will be written as "0000 0111b", and if the eight types of write related information If all are acceptable for (WS1-WS8), the Lth byte will be written as "1111 1111b".

또한 디스크정보내의 다른 특정영역(M번째 바이트)에는 해당 디스크내에 존재하는 기록층의 갯수를 알려주는 기록층정보를 기록하되, 이를 "Number of Recording Layer"필드로 명명하였다. 예를들어 1바이트를 할당한 동영역에는 기록층의 갯수를 의미하는 값을 이진수로 표현할 수 있으며, 기록층이 도1과 같은 싱글레이어(기록층1개) 인경우는 M번째 바이트는 "0000 0001b"로 기록되고, 기록층이 도2와 같은 듀얼레이어(기록층2개) 인경우는 M번째 바이트는 "0000 0010b"으로 기록되고, 기록층이 4개 인경우라면 M번째 바이트는 "0000 0100"으로 기록될 것이다. In addition, in another specific area (M-th byte) in the disc information, recording layer information indicating the number of recording layers existing in the disc is recorded, which is named as the "Number of Recording Layer" field. For example, in the same area in which 1 byte is allocated, a value representing the number of recording layers can be expressed in binary. If the recording layer is a single layer (one recording layer) as shown in Fig. 1, the Mth byte is " 0000 0001b ". ", The Mth byte is " 0000 0010b " when the recording layer is a dual layer (2 recording layers) as shown in Fig. 2, and " 0000 0100 &quot; Will be recorded.

따라서, 현재 일반적으로 고려되는 기록층의 갯수에는 제한이 있으므로(현재 2개 기록층), M번째 바이트내에서 4비트만을 이용하여도 총15개의 기록층("1111"인경우)을 표시할 수 있어 충분하다 할 것이며, 이 경우에는 M번째 바이트의 나머지영역(4비트)에 또다른 유효한 정보를 기록할 수 도 있음은 자명하다 할 것이다.Therefore, there is a limit on the number of recording layers generally considered (currently two recording layers), so that a total of 15 recording layers (when "1111") can be displayed using only 4 bits in the Mth byte. In this case, it is obvious that another valid information may be recorded in the remaining area (4 bits) of the Mth byte.

또한 디스크정보내의 또다른 특정영역(P~111번째 바이트)에는 선택된 기록관련정보(WS)의 파라미터를 기록하고 이를 "Write Strategy(WS) parameters"필드로 명명하였다.In another specific area (P-111th byte) in the disc information, the parameters of the selected recording related information WS were recorded and named as the "Write Strategy (WS) parameters" field.

상기 디스크정보내에 기록되는 N,L,M번째 바이트 정보는 모든 디스크정보내에 공통적으로 동일한 값으로 기록해 둠으로서, 기록재생장치(도9)가 어느 디스크정보를 재생하더라도 해당 디스크가 허용하는 배속, 기록관련정보(WS) 종류, 기록층의 갯수에 대한 정보를 용이하게 취득할 수 있게 하고, 아울러 상기의 정보로부터 디스크내에 기록된 디스크정보의 일련순서와 각각의 일련순서가 의미하는 배속 과 기록층 및 해당하는 기록관련정보(WS) 종류를 결정하는 것도 가능해 진다 할 것이다.The N, L, Mth byte information recorded in the disc information is recorded at the same value in all the disc information in common, so that any disc information that the disc playback apparatus (FIG. 9) reproduces, the speed and recording allowed by the disc are allowed. It is possible to easily obtain information on the type of the related information (WS) and the number of recording layers, and from the above information, the serial order of the disc information recorded on the disc, the double speed and the recording layer which each serial order means, and It will also be possible to determine the type of record-related information.

도5는 상기 도4의 제1실시예에 따라 디스크정보를 기록하는 한예를 도시한 것으로, 허용가능한 배속은 3가지로 N번째 바이트는 "0000 0111b"가 되고, 허용가능한 기록관련정보(WS) 종류는 4가지로 L번째 바이트는 "0000 1111b"가 되고, 디스크내에 존재하는 기록층은 2개로서 M번째 바이트는 "0000 0010b"인 경우에 관한 것이다.Fig. 5 shows an example of recording disc information according to the first embodiment of Fig. 4, wherein the allowable double speed is three and the Nth byte becomes “0000 0111b”, and the allowable recording related information WS There are four types, and the Lth byte is "0000 1111b", and there are two recording layers present in the disc, and the Mth byte is "0000 0010b".

따라서, 디스크정보는 각 배속별, 기록층별, 기록관련정보(WS) 종류별로 각각 기록하는 것도 가능하지만 이경우 기록되는 디스크정보의 수가 과도하게 많아지고, 또한 디스크 제작자 입장에서는 모든 기록관련정보(WS) 종류에 대해 테스트하고 그 결과를 디스크정보내에 기록하여야 하므로 큰 부담이 된다.Therefore, the disc information can be recorded for each speed, recording layer, and recording information type (WS), respectively. However, in this case, the number of recorded disc information becomes excessively large. This is a big burden because you have to test the type and record the result in the disc information.

이에 본발명에서는 최대 허용가능한 기록관련정보(WS)의 종류(n)보다 적은 개수(m:m<n)의 기록관련정보(WS)만을 디스크정보내에 기록하도록 하고, 나아가 디스크제작자는 복수개의 기록관련정보(WS)중 특정 기록관련정보(WS)를 선택적 (optional)으로 기록가능하게 하므로서 디스크제작자의 편의가 보장되면서도 효율적인 디스크정보의 기록이 가능하도록 하였다.Therefore, in the present invention, only the number (m: m <n) of the record-related information (WS) smaller than the maximum allowable type (n) of the record-related information (WS) is recorded in the disc information, and the disc producer further records a plurality of records. The specific record related information (WS) of the related information (WS) can be recorded as an optional so that the convenience of the disc producer can be ensured while the efficient recording of the disc information is possible.

도5에서는, 1배속(1X)에 대해서는 제1타입 기록관련정보(WS1)와 제2타입 기록관련정보(WS2)를 이용하여 기록하고, 2배속(2X)에 대해서도 제1타입 기록관련정보(WS1)와 제2타입 기록관련정보(WS2)를 이용하여 기록하고, 3번째배속(3rd X)에 대해서는 제2타입 기록관련정보(WS2)와 제3타입 기록관련정보(WS3)를 이용하여 기록한 경우를 예를들어 도시하였다. In Fig. 5, the 1x speed 1X is recorded using the first type recording related information WS1 and the second type recording related information WS2, and the 1st type recording related information (2X) is also recorded. WS1) and the second type recording related information WS2, and the third recording speed 3rd X was recorded using the second type recording related information WS2 and the third type recording related information WS3. The case is illustrated by way of example.

즉, 각 배속별로 전체 허용가능한 기록관련정보(WS)종류의 갯수(4가지)보다 적은 개수(2가지)의 기록관련정보(WS) 종류만을 이용하여 디스크정보를 기록가능하도록 한 예이다. In other words, the disc information can be recorded using only the number (two types) of the recording related information (WS) types less than the total number (four) of the total allowable recording related information (WS) types for each double speed.

특히, 허용가능한 기록관련정보(WS) 종류의 갯수에 상관없이 디스크제작자가 이중 2가지 기록관련정보(WS) 종류를 선택하여 각 배속별로 기록하는 것이 바람직하다 할 것이다. 이렇게 함으로서, 디스크제작자는 선택적으로 기록할 수 있는 자유도가 보장되는 한편, 디스크내에 기록되는 디스크정보의 갯수도 적절한 수로 조절하는 것이 가능해 지기 때문이다. In particular, regardless of the number of types of allowable recording related information (WS), it would be desirable for a disc maker to select two types of recording related information (WS) and record them at each speed. In this way, the disc producer can freely selectively record, while being able to adjust the number of disc information recorded in the disc to an appropriate number.

도6은 도4의 제1실시예에 의해 디스크정보를 기록하는 다른 예를 도시한 것으로, 도5의 경우와 동일하게, 허용가능한 배속은 3가지로 N번째 바이트는 "0000 0111b"가 되고, 허용가능한 기록관련정보(WS) 종류는 4가지로 L번째 바이트는 "0000 1111b"가 되고, 디스크내에 존재하는 기록층은 2개로로서 M번째 바이트는 "0000 0010b"인 경우에 관한 것이다.Fig. 6 shows another example of recording disc information according to the first embodiment of Fig. 4, and similarly to the case of Fig. 5, the allowable double speed is three and the Nth byte is " 0000 0111b " There are four kinds of allowable recording related information (WS), the Lth byte being "0000 1111b", the two recording layers existing in the disc, and the Mth byte being "0000 0010b".

특히, 도6의 경우는 1배속(1X)의 경우는 특정의 기록관련정보(WS)를 강제적(mandatory)으로 기록하고 나머지배속의 경우에는 기록관련정보(WS)를 선택적(optional)으로 기록할 수 있는 경우를 도시한 것이다.In particular, in the case of FIG. 6, in the case of 1X (1X), specific recording related information (WS) is forcibly recorded (mandatory), and in the case of the remaining speed, recording related information (WS) can be recorded as optional. The case is illustrated.

즉, 각 배속별로 2가지의 기록관련정보(WS) 종류를 기록하는 경우라면, 1배속(1X)에서는 우선 제1타입 기록관련정보(WS1)를 강제적으로 기록하고, 나머지 제2타입 기록관련정보(WS2), 제3타입 기록관련정보(WS3), 제4타입 기록관련정보(WS4)중 어느 하나를 선택하여 기록하여 기록할 수 있도록 하는 것으로, 도6에서는 제2타입 기록관련정보(WS2)를 선택하여 기록한 경우이다.That is, in the case of recording two types of recording related information WS for each double speed, first type recording related information WS1 is forcibly recorded at 1x 1X, and the remaining second type recording related information (WS2), the third type record related information (WS3), and the fourth type record related information (WS4) to select and record and record. In FIG. 6, the second type record related information (WS2) This is the case when recording is selected.

또한, 2배속(2X), 3번째배속(3rd X)에는 상기와 같은 제한없이, 도5와 동일하게 4가지의 기록관련정보(WS1~WS4)중 두가지를 선택하여 기록하도록 하였다.In addition, two times (2X) and 3rd times (3rd X), two types of recording related information WS1 to WS4 are selected and recorded in the same manner as in FIG.

상기와 같이 특히 1배속에 대해서만 특정 기록관련정보(WS)를 강제적으로 (mandatory) 기록하는 이유는, 기록재생장치(도9)를 개발하는 개발자 입장에서는 모든 기록관련정보(WS)의 종류에 대응하는 제품 뿐만아니라, 특정의 하나의 기록관련정보(WS)만에 대응하는 저가격대의 제품개발도 가능하게 하여 다양한 제품개발이 용이하도록 하는 점에 있다 할 것이다. As described above, the reason for mandatory recording of specific recording related information WS only at 1x speed is that the developer developing the recording / playback apparatus (Fig. 9) corresponds to all kinds of recording related information WS. In addition to the products to be made, it will be possible to develop a low-cost range of products corresponding to only one specific record-related information (WS) to facilitate the development of various products.

도7부터 도8까지는 본발명의 디스크정보를 기록하는 제2실시예를 설명하기 위해 디스크정보의 구조를 간략히 도시한 것으로, 디스크 제작자가 디스크정보내에 기록한 각 배속별 복수개의 기록관련정보(WS) 종류중 어느 기록관련정보(WS) 종류가 가장 최적의 기록관련정보(WS)인지를 지시하는 정보를 디스크정보내의 별도의 영역에 기록해 두는 것을 특징으로 한다. 즉, 상기와 같은 최적의 기록관련정보(WS)를 지시하는 정보를 기록해 둠에 따라, 기록재생장치(도9)가 초기에 해당배속에 있어서의 최적의 기록관련정보(WS) 종류를 빨리 설정가능해지고, 따라서 제어부(도9, 20)의 명령에 의한 기록수행을 효율적으로 진행할 수 있게 된다.  7 to 8 briefly show the structure of the disc information for explaining the second embodiment of recording the disc information of the present invention, wherein a plurality of recording related information WS for each double speed recorded by the disc producer in the disc information. The information indicative of which record related information (WS) of the types is the most optimal record related information (WS) is recorded in a separate area in the disc information. That is, as the information indicating the optimal recording related information WS as described above is recorded, the recording / playback apparatus (Fig. 9) initially sets the optimum recording related information WS type at the corresponding speed. This makes it possible to efficiently proceed with recording by the command of the controllers (Figs. 9 and 20).

이하 본발명의 디스크정보를 기록하는 제2실시예를 도7부터 도8까지를 참조하여 설명하면 다음과 같다.Hereinafter, a second embodiment of recording the disc information of the present invention will be described with reference to Figs.

도7은 본발명의 디스크정보를 기록하는 제2실시예를 개념적으로 도시한 것으로, 제1실시예에서 설명된 N,L,M번째 바이트는 동일내용을 의미하고, 추가적으로 Q번째 바이트에 복수의 기록관련정보(WS) 종류중 최적의 기록관련정보(WS)의 종류를 지시하는 정보를 기록하는 것을 특징으로 한다.Fig. 7 conceptually shows a second embodiment of recording the disc information of the present invention, wherein the N, L, and M bytes described in the first embodiment mean the same contents, and additionally, a plurality of Qth bytes are stored. And information indicating the type of optimal recording related information (WS) among the recording related information (WS) types.

도7에서, 디스크정보의 Q번째 바이트는 "Best WS flag in writing speed"필드로 명명하고, 해당 바이트에는 디스크정보가 지시하는 배속에서 최적의 기록관련정보(WS)의 종류가 무엇인지를 지시하도록 하였다. 즉, Q번째 바이트내의 각각의 비트는 대응하는 기록관련정보(WS)의 종류를 일대일로 지시하므로 총8가지의 기록관련정보(WS) 종류를 의미하고, 구체적으로는 "b0"는 제1타입 기록관련정보(WS1), "b1"는 제2타입 기록관련정보(WS2), "b7"은 제8타입 기록관련정보(WS8)를 의미하되, 모든 비트에서 비트값이 "1b"이면 해당타입의 기록관련정보(WS)가 해당배속내에서 최적의 기록관련정보(WS) 종류가 됨을 의미한다. 즉, Q번째 바이트내의 8비트중 어느하나만이 "1b"가 되고 나머지 비트는 모두 "0b"가 될것이다. 도7에서는 이예로 제2타입 기록관련정보(WS2)가 해당 배속의 최적의 기록관련정보(WS)가 되는 경우에 상기 Q번째 바이트는 "0000 0010b"가 됨을 보여준다.In Fig. 7, the Qth byte of the disc information is named as the "Best WS flag in writing speed" field, and the corresponding byte indicates what kind of optimal recording related information WS is at the speed indicated by the disc information. It was. That is, each bit in the Q-th byte indicates the type of the corresponding recording related information WS in one-to-one, and thus means a total of eight types of recording related information WS. Specifically, "b0" is the first type. Record-related information WS1, " b1 " means second type record-related information WS2, " b7 " means the eighth type record-related information WS8, and if the bit value of all bits is " 1b " This means that the record related information (WS) becomes the optimal type of record related information (WS) within the corresponding speed. That is, only one of the eight bits in the Q th byte will be "1b" and all the remaining bits will be "0b". In this example, Fig. 7 shows that when the second type recording related information WS2 becomes the optimal recording related information WS of the corresponding double speed, the Q th byte becomes "0000 0010b".

그러나, 도7은 최적의 기록관련정보(WS)를 표시하는 일예를 보인 것에 불과하며, 상기 외에도 다양한 방법에 의해 최적의 기록관련정보(WS) 종류를 표시할 수 있음은 자명하다 할 것이다.However, FIG. 7 merely shows an example of displaying the optimal recording related information WS. It will be apparent that the optimal recording related information WS can be displayed by various methods.

도8은 도7의 제2실시예에 의해 디스크정보를 기록하는 한예를 보인 것이다.FIG. 8 shows an example of recording disk information according to the second embodiment of FIG.

즉, 디스크정보내의 N,L,M번째 바이트는 모든 디스크정보가 공통적으로 동일한 값을 기록한 영역으로서, N번째 바이트가 "0000 0111b"로서 해당 디스크가 허용가능한 배속이 3가지 임을 의미하고(예를들면, 1X, 2X, 4X), L번째 바이트가 "0000 1111b"로서 해당 디스크가 허용가능한 기록관련정보(WS)는 4종류이고 이는 제1타입 ~제4타입 기록관련정보(WS1~WS4)임을 의미하고, M번째 바이트가 "0000 0010b"로서 해당 디스크내에 존재하는 기록층은 2개임을 의미하게 된다.That is, the N, L, and M bytes in the disk information are areas in which all the disk information has the same value in common. The Nth byte is "0000 0111b", which means that the disk can have three speeds (e.g., For example, 1X, 2X, 4X), the Lth byte is " 0000 1111b ", and there are four types of recording related information WS that can be accepted by the disc, and that is the first type to fourth type recording related information WS1 to WS4. The Mth byte is " 0000 0010b ", which means that there are two recording layers present in the disc.

디스크 제작자는 기스크제작시 프리기록된 영역에 디스크정보를 기록하여 제공하되, 복수의 기록관련정보(WS1~WS4) 종류중 특정의 2가지 기록관련정보(WS)를 각 배속별로 선택하여 기록하는 것이 가능하다. 도8에서는 일예로, 1배속에서는 제1타입 기록관련정보(WS1)와 제2타입 기록관련정보(WS2)를, 2배속에서는 제1타입 기록관련정보(WS1)와 제2타입 기록관련정보(WS2)를, 4배속에서는 제2타입 기록관련정보(WS2)와 제3타입 기록관련정보(WS3)을 각각 선택하여 기록하였음을 보여준다.The disc producer records and provides the disc information in the pre-recorded area at the time of making the kisque, and selects and records two types of recording related information (WS) at each speed from among a plurality of types of the recording related information (WS1 to WS4). It is possible. In FIG. 8, for example, the first type record related information WS1 and the second type record related information WS2 at 1x speed, and the first type record related information WS1 and the second type record related information (at 2x speed). WS2) shows that the second type recording related information WS2 and the third type recording related information WS3 are selected and recorded at 4x speed, respectively.

또한 디스크제작자는 기록재생장치(도9)가 최적의 기록관련정보(WS)를 빠른시간내에 셋업하는 것이 가능하도록, 디스크정보내의 Q번째 바이트에 해당배속에서의 최적의 기록관련정보(WS)의 종류를 지시하는 정보를 기록하게 되는 바, 도8에서는 일예로, 2배속에서는 제2타입 기록관련정보(WS2)를 최적으로 하여 Q번째 바이트는 "0000 0010b"로 기록하였으며, 4배속에서는 제3타입 기록관련정보(WS3)를 최적으로 하여 Q번째 바이트는 "0000 0100b"로 기록하였다.Also, the disc producer may set the optimal recording-related information WS at the corresponding speed at the Qth byte in the disk information so that the recording / playback apparatus (Fig. 9) can set up the optimal recording-related information WS in a short time. The type indicating information is recorded. For example, in FIG. 8, the second type recording related information WS2 is optimized at 2x speed, and the Qth byte is recorded as "0000 0010b". The Qth byte was recorded as "0000 0100b" with the type recording related information WS3 being optimized.

따라서, 2배속에 관련된 디스크정보인 "04h ~ 07h"내의 Q번째 바이트는 모두 동일한 "0000 0010b"로 기록될 것이고, 4배속에 관련된 디스크정보인 "08h ~ 117h"내의 Q번째 바이트는 모두 동일한 "0000 0100b"로 기록될 것이다.Therefore, the Qth bytes in the disk information "04h to 07h" related to the double speed will all be recorded with the same "0000 0010b", and the Qth bytes in the "08h to 117h" disk information related to the 4x speed will all be the same ". 0000 0100b ".

또한, 디스크정보내의 P~111번째 바이트에는 해당 디스크정보가 의미하는 기록관련정보(WS)를 기록하는 영역이므로, 모든 디스크정보마다 각자의 기록관련정보 (WS)를 기록하게 될 것이다. 도8에서는 5번째 디스크정보인 "04h"는 제1타입 기록관련정보(WS1)에 대한 파라미터를 P~111번째 바이트에 기록할 것이고, 12번째 디스크정보인 "11h"는 제3타입 기록관련정보(WS3)에 대한 파라미터를 P~111번째 바이트에 기록하게 될것이다.In addition, since the area for recording the recording related information WS, which means the corresponding disk information, is recorded in the P-111th byte in the disk information, the respective recording related information WS will be recorded for every disk information. In FIG. 8, the fifth disk information "04h" will record the parameters for the first type recording related information WS1 in the P-111th bytes, and the 11th disk information "11h" will indicate the third type recording related information. The parameter for (WS3) will be written in the P ~ 111th byte.

즉, 도8의 예를 정리하면, 디스크정보내에는 모든 디스크정보가 공통적인 값을 가지는 N,L,M번째 바이트에 허용가능한 배속정보, 허용가능한 기록관련정보(WS) 종류, 및 디스크내에 존재하는 기록층의 갯수 정보를 기록해두고, 동일배속의 디스크정보내에는 해당 배속에서의 최적의 기록관련정보(WS) 종류를 지시하는 정보를 Q번째 바이트에 동일한 값으로 기록하게 되고, 각각의 디스크정보는 P~111번째 바이트에 고유의 기록관련정보(WS)에 대한 파라미터를 기록하게 되는 것이다.That is to say, in the example shown in Fig. 8, in the disc information, all the disc information is allowed in the N, L, and M bytes having a common value, the allowable speed information, the type of allowable recording related information (WS), and the disc exist. The information on the number of recording layers to be recorded is recorded.In the disc information at the same speed, information indicating the type of optimal recording related information (WS) at the same speed is recorded in the Q-th byte with the same value. Is a parameter for recording the unique recording related information WS in the P to 111 th bytes.

도9는 본발명이 적용되는 광디스크에서의 기록재생장치에 관한 것으로, 기록재생장치는 광디스크에 기록재생을 수행하는 기록재생부(10)와 이를 제어하는 제어부(20)로 구성된다. 제어부(20)는 기록재생부(10)로 특정영역에의 기록 또는 재생 명령을 내리고, 기록재생부(10)는 제어부(20)의 명령에 따라 특정영역에의 기록재생을 수행하게 된다. 기록재생부(10)는 구체적으로는, 외부와 통신을 수행하는 인터페이스부와 (12), 광디스크에 데이터를 직접적으로 기록하거나 재생하는 픽업부와(11), 픽업부로터 재생신호를 수신하여 원하는 신호값으로 복원해내거나, 기록될 신호를 광디스크에 기록되는 신호로 변조(modulation)하여 전달하는 데이터-프로세서(13)와, 광디스크로부터 정확히 신호를 독출해내거나, 광디스크에 신호를 정확히 기록하기위해 픽업부(11)를 제어하는 서보부(14)와, 관리정보를 포함한 여러정보 및 데이터를 일시 저장하는 메모리(15)와 상기 기록재생부내의 구성요소들의 제어를 담당하는 마이컴(16)으로 구성되어 있다. Fig. 9 relates to a recording / playback apparatus on an optical disk to which the present invention is applied, and the recording / playback apparatus is composed of a recording / playback section 10 for performing recording / reproducing on an optical disk and a control section 20 for controlling it. The control unit 20 issues a recording or reproducing command to the recording / reproducing section 10 to the specific area, and the recording / reproducing section 10 performs recording / reproducing to the specific area according to the command of the control section 20. FIG. Specifically, the recording and playback section 10 includes an interface section 12 for communicating with the outside, a pickup section 11 for directly recording or reproducing data on an optical disc, and a playback signal received from the pickup section. A data-processor 13 for restoring a signal value or modulating a signal to be recorded into a signal recorded on an optical disk, and transferring the data-processor 13 to pick up a signal accurately from the optical disk or to accurately record a signal on the optical disk. A servo unit 14 for controlling the unit 11, a memory 15 for temporarily storing various information and data including management information, and a microcomputer 16 for controlling the components of the recording / reproducing unit. have.

본발명에 의한 광디스크의 기록과정을 상세히 설명하면, 우선 광디스크가 기록재생장치내로 로딩되면, 디스크내의 모든 관리정보는 독출되어 기록재생부(10)내의 메모리(15)에 일시 저장되고 이들 관리정보는 광디스크에의 기록재생시 활용되게 된다. 특히 메모리에 저장되는 관리정보에는 본발명의 디스크정보도 포함되어 있으며, 따라서 모든 디스크정보내에 기록된 공통의 "배속정보(N번째 바이트)"와 "기록관련정보(WS) 종류(L번째 바이트)"와 "기록층정보(M번째 바이트)" 및 해당 배속별 공통의 "최적의 기록관련정보(WS) 종류(Q번째 바이트)" 와 해당 디스크정보 고유의 "기록관련정보(WS) 파라미터(P~111번째 바이트)"도 독출되어 메모리에 일시 저장된다. The recording process of the optical disc according to the present invention will be described in detail. First, when an optical disc is loaded into a recording / playback apparatus, all management information in the disk is read out and temporarily stored in the memory 15 in the recording / reproducing section 10, and these management information is recorded. It is utilized during recording and reproducing on the optical disc. In particular, the management information stored in the memory also includes the disc information of the present invention, so that the common "speed information (Nth byte)" and "record related information (WS) type (Lth byte) common to all disc information are recorded. "And" Recording layer information (Mth byte) "and the common" optimal recording related information (WS) type (Qth byte) "by the corresponding speed, and the" recording related information (WS) parameter (P) specific to the disc information. ~ 111 th byte) "is also read and stored temporarily in the memory.

마이컴(16)은 우선 상기 "배속정보(N번째 바이트)"와 "기록관련정보(WS) 종류(L번째 바이트)"와 "기록층정보(M번째 바이트)" 로부터 로딩된 디스크가 제공하는 허용가능한 배속 및 기록관련정보(WS) 종류를 알게되고, 아울러 "최적의 기록관련정보(WS) 종류(Q번째 바이트)"로부터 특정 배속에서 디스크가 제공하는 최적의 기록관련정보(WS) 종류를 획득하므로서, 디스크 초기 설정과정에 추가적인 시간소요없이 바로 기록을 위한 초기설정을 완료할 수 있게 되는 것이다.The microcomputer 16 first permits the disc loaded from the "double speed information (Nth byte)" and "record related information (WS) type (Lth byte)" and "recording layer information (Mth byte)" to be provided. Knowing the possible types of recording speed and recording related information (WS), and obtaining the optimal recording related information (WS) type provided by the disc at a specific speed from the "optimal recording related information (WS) type (Qth byte)". Thus, the initial setting for recording can be completed immediately without additional time in the initial setting process of the disc.

상기 과정후 제어부(20)로부터 기록명령을 전달받으면, 기록재생부(10)는 특정배속으로 기록을 시작하되, 상기 초기화과정을 통해 설정된 특정배속에서의 최적의 기록관련정보(WS) 종류 및 이에대한 파라미터(parameters)들을 적용하여 기록을 수행하게 되는 것이다. After receiving the recording command from the control unit 20 after the process, the recording and playback unit 10 starts recording at a specific speed, but the type of optimal recording related information (WS) at a specific speed set through the initialization process and The recording is performed by applying the parameters.

이상, 전술한 본 발명의 바람직한 실시예는, 예시의 목적을 위해 개시된 것으로, 당업자라면 이하 첨부된 특허청구범위에 개시된 본 발명의 기술적 사상과 그 기술적 범위 내에서, 다양한 다른 실시예들을 개량, 변경, 대체 또는 부가 등이 가능할 것이다. As mentioned above, preferred embodiments of the present invention are disclosed for the purpose of illustration, and those skilled in the art can improve and change various other embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. , Replacement or addition would be possible.

본발명은 고밀도 광디스크에서 고배속에 대응하는 디스크정보를 기록하는 다양한 방법과 이들 디스크정보를 이용한 광디스크 기록방법 방법을 제시하였으며, 이를통해 규격화된 디스크정보를 쉽게 이용할 수 있게되고, 아울러 광디스크의 기록재생에 효율적으로 대응할 수 있게 되는 장점이 있다. The present invention has proposed various methods for recording disc information corresponding to high speed in a high density optical disc, and an optical disc recording method using these disc information, thereby making it possible to easily use standardized disc information and to record and reproduce the optical disc. There is an advantage to be able to respond efficiently.

도1은 본발명이 적용되는 싱글레이어 구조의 디스크를 간략히 도시한 것이고,1 shows a simplified illustration of a disk of a single layer structure to which the present invention is applied;

도2는 본발명이 적용되는 듀얼레이어 구조의 디스크를 간략히 도시한 것이고, 2 shows a simplified illustration of a disk of a dual layer structure to which the present invention is applied;

도3은 본발명의 디스크정보가 기록되는 관리영역중의 일부를 도시하고, 해당영역에 디스크정보가 기록되는 형태를 간략히 도시한 것이고,Fig. 3 shows a part of the management area in which the disc information of the present invention is recorded, and briefly shows a form in which the disc information is recorded in the corresponding area.

도4는 본발명에 따른 디스크정보를 기록하는 제1실시예를 도시한 것이고,4 shows a first embodiment of recording disc information according to the present invention;

도5는 제1실시예를 적용하여 디스크정보를 기록하는 예를 보인 것이고,Fig. 5 shows an example of recording disc information by applying the first embodiment,

도6은 제1실시예를 적용하여 디스크정보를 기록하는 다른 예를 보인 것이고,6 shows another example of recording disc information by applying the first embodiment;

도7은 본발명에 따른 디스크정보를 기록하는 제2실시예를 도시한 것이고,7 shows a second embodiment of recording disc information according to the present invention;

도8는 제2실시예를 적용하여 디스크정보를 기록하는 예를 보인 것이고,8 shows an example of recording disc information by applying the second embodiment;

도9는 본발명에 따른 디스크정보를 이용한 광디스크 기록재생장치를 도시한 것이다.9 shows an optical disc recording and reproducing apparatus using disc information according to the present invention.

- 도면내의 주요부분에 대한 설명 --Description of the main parts in the drawing-

10 : 기록재생부 20 : 제어부 10: recording and playback section 20: control section

16 : 마이컴 15 : 메모리16: micom 15: memory

Claims (15)

적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서,A method of recording a plurality of disc information in a management area of an optical disc having at least one recording layer, 각각의 디스크정보는 배속별 및 기록층별로 구분되어 해당 기록관련정보(WS)를 기록하되, 상기 기록관련정보(WS)는 복수개(n)의 종류로 기록가능하지만, 디스크정보내에 기록시에는 상기 기록가능한 복수개(n)의 기록관련정보(WS)보다 적은 수(m: m<n)만큼을 선택하여 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.Each disc information is classified by speed and by recording layer to record the relevant recording related information (WS). The recording related information (WS) can be recorded in a plurality of n types. A disc information recording method of an optical disc, characterized by selecting and recording a number (m: m <n) less than a plurality of recordable information (WS). 제 1항에 있어서,The method of claim 1, 1배속 관련 m개의 기록관련정보(WS)를 기록함에 있어서는, 첫번째 기록관련정보(WS)는 특정종류의 기록관련정보(WS)를 강제적으로 기록하고, 나머지 기록관련정보(WS)는 복수개(n) 종류중 (m-1)개를 선택적으로 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.In recording the 1x speed-related m record related information WS, the first record related information WS forcibly records a certain kind of record related information WS, and the remaining record related information WS is provided in plurality (n). ) Disc information recording method of an optical disc, characterized by selectively recording (m-1) pieces. 제 1항에 있어서,The method of claim 1, 상기 디스크정보내에는 해당 배속별 복수개(m)의 종류로 기록된 기록관련정보 (WS)중 가장 최적의 기록관련정보(WS)를 알려주는 정보를 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.     Disc information recording method of an optical disc, characterized in that the information indicating the most optimal recording-related information (WS) of the recording-related information (WS) recorded in the plurality (m) of the corresponding double speed in the disc information is recorded. . 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서,A method of recording a plurality of disc information in a management area of an optical disc having at least one recording layer, 디스크정보내에는 배속별 및 기록층별로 구분되어 해당 기록관련정보(WS)를 기록하되, 상기 기록관련정보(WS)는 배속별 및 기록층별로 복수개의 종류(n)중 2개를 선택하여 각각 디스크정보내에 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.In the disc information, the relevant recording related information (WS) is recorded separately by the speed and the recording layer, and the recording related information (WS) is selected by selecting two of the plurality (n) of each of the recording speed and the recording layer. A disc information recording method of an optical disc, characterized by recording in disc information. 제 4항에 있어서,The method of claim 4, wherein 1배속 관련 2개의 기록관련정보(WS)를 기록함에 있어서는, 하나의 기록관련정보(WS)는 특정종류의 기록관련정보(WS)를 강제적으로 기록하고, 나머지 기록관련정보(WS)는 복수개(n) 종류중 어느하나를 선택적으로 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.In recording two recording related information WS related to 1x speed, one recording related information WS forcibly records a certain kind of recording related information WS, and a plurality of other recording related information WS n) Disc information recording method for an optical disc, characterized in that any one of the types is selectively recorded. 제 4항에 있어서,The method of claim 4, wherein 상기 각 배속별 복수의 기록관련정보(WS) 종류중 해당배속에 최적의 기록관련정보(WS) 종류를 지시하는 정보를 디스크정보내의 특정영역에 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.And information indicating the type of recording related information (WS) optimal for the corresponding double speed among the plurality of types of recording related information (WS) for each double speed in a specific area of the disc information. 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보를 기록하는 방법에 있어서,A method of recording a plurality of disc information in a management area of an optical disc having at least one recording layer, 모든 디스크정보내에는 해당 디스크가 허용가능한 배속정보와, 허용가능한 기록관련정보(WS) 종류와, 해당 디스크내에 존재하는 기록층정보를 동일하게 기록하고, In all the disc information, the disc's allowable speed information, the allowable recording related information (WS) type, and the recording layer information existing in the disc are recorded in the same manner. 각각의 디스크정보내에는 해당 배속에서 최적의 기록관련정보(WS) 종류를 지시하는 정보를 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.Disc information recording method for an optical disc, characterized in that information indicating the type of optimal recording related information (WS) is recorded in each disc speed. 제 7항에 있어서,The method of claim 7, wherein 상기 각각의 디스크정보내에는 하나의 기록관련정보(WS) 파라미터를 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.And a recording-related information (WS) parameter is recorded in each of the disc information. 제 8항에 있어서,The method of claim 8, 상기 각각의 디스크정보내에 기록되는 기록관련정보(WS) 파라미터는 복수의 허용가능한 기록관련정보(WS) 종류중 하나를 선택하여 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.And a recording related information (WS) parameter recorded in each of said disk information is selected and recorded from one of a plurality of types of allowable recording related information (WS). 제 8항에 있어서,The method of claim 8, 상기 디스크정보중 1배속에 관련된 디스크정보에는 기결정된 특정의 기록관련정보(WS) 종류를 강제적으로 기록하는 것을 특징으로 하는 광디스크의 디스크정보 기록방법.Disc information recording method of an optical disc, characterized by forcibly recording a predetermined type of specific recording related information (WS) in the disc information related to 1x speed of the disc information. 기록가능한 영역과, 프리기록되어 기록이 불가능한 영역을 구비한 적어도 하나이상의 기록충을 가진 광디스크에서,In an optical disc having at least one recording charge having a recordable area and a prerecorded and non-recordable area, 상기 프리기록된 영역내에는 복수의 디스크정보를 기록할 수 있는 영역을 구비하고, An area in which a plurality of disc information can be recorded in the pre-recorded area, 상기 디스크정보내에는 해당 디스크가 허용가능한 배속정보와, 허용가능한 기록관련정보(WS) 종류와, 해당 디스크내에 존재하는 기록층정보를 기록하는 제1영역과, 해당 배속에서 최적의 기록관련정보(WS) 종류를 지시하는 정보를 기록하는 제2영역을 구비한 것을 특징으로 하는 광디스크.In the disc information, a first area for recording the speed information that can be accepted by the disc, the type of allowable recording related information (WS), the recording layer information existing in the disc, and the optimal recording related information at the same speed ( WS) An optical disc comprising a second area for recording information indicating the type. 제 11항에 있어서,The method of claim 11, 상기 제1영역에 기록되는 내용은 모든 디스크정보에서 동일하고, 제2영역에 기록되는 내용은 각 배속별 디스크정보마다 동일한 것을 특징으로 하는 광디스크. The content recorded in the first area is the same in all the disc information, and the content recorded in the second area is the same for each disc speed at each speed. 적어도 하나이상의 기록층을 가진 광디스크의 관리영역내에 복수의 디스크정보가 기록가능하고, 상기 복수의 디스크정보를 이용하여 광디스크에 데이터를 기록하는 방법에 있어서,      A method of recording data on an optical disc using a plurality of disc information in a management area of an optical disc having at least one recording layer, wherein the plurality of disc information are recordable. 상기 각각의 디스크정보내에 기록된 최적의 기록관련정보(WS) 종류로부터 배속별 최적의 기록관련정보(WS)의 종류를 확인하는 단계와,Identifying the type of optimal recording related information (WS) for each speed from the type of optimal recording related information (WS) recorded in the respective disc information; 상기 각 배속별 최적의 기록관련정보(WS)의 종류를 적용하여 해당 배속의 기록을 수행하는 단계로 이루어 진것을 특징으로 하는 광디스크의 기록방법.And recording the corresponding double speed by applying the type of optimal recording related information (WS) for each double speed. 제 13항에 있어서,The method of claim 13, 상기 기록시에는 최적의 기록관련정보(WS) 종류에 의해 기록된 디스크정보내의 기록관련정보(WS) 파라미터를 참조하여 해당 배속의 기록을 수행하는 단계로 이루어 진 것을 특징으로 하는 광디스크의 기록방법.And recording at a corresponding double speed with reference to the recording related information (WS) parameter in the disk information recorded by the optimal recording related information (WS) type during the recording. 기록명령을 전달하는 제어부와,A control unit for transmitting a recording command, 상기 기록명령을 수신하고, 기록명령에 따라 기록을 수행함에 있어, 광디스크의 관리영역내에 기록되어진 디스크정보를 독출하되, 디스크정보내에 기록된 최적의 기록관련정보(WS)의 종류로부터 배속별 최적의 기록관련정보(WS)의 종류를 학인하고, 상기 각 배속별 최적의 기록관련정보(WS)의 종류를 적용하여 해당 배속의 기록을 수행하는 기록재생부로 이루어진 것을 특징으로 하는 광디스크의 기록재생장치.Receiving the recording command and performing recording according to the recording command, the disc information recorded in the management area of the optical disc is read out, and the optimum is determined by the speed from the type of the optimal recording related information WS recorded in the disc information. Recording / reproducing apparatus for acknowledging the type of recording related information (WS) and performing recording at the corresponding double speed by applying the type of optimal recording related information (WS) for each double speed. .
KR1020030065628A 2003-07-07 2003-09-22 Recording medium,recording method for recording data on recording medium, and recording apparatus using the same KR100984300B1 (en)

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