JP3908761B2 - 高密度光記録媒体におけるデータサーチ方法及びデータ再生方法 - Google Patents
高密度光記録媒体におけるデータサーチ方法及びデータ再生方法 Download PDFInfo
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- JP3908761B2 JP3908761B2 JP2004367314A JP2004367314A JP3908761B2 JP 3908761 B2 JP3908761 B2 JP 3908761B2 JP 2004367314 A JP2004367314 A JP 2004367314A JP 2004367314 A JP2004367314 A JP 2004367314A JP 3908761 B2 JP3908761 B2 JP 3908761B2
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- 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
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- 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
- G11B2220/2579—HD-DVDs [high definition DVDs]; AODs [advanced optical discs]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
Claims (9)
- データサーチ要求時、サーチ要求された目標値に最も近接した累積時間値を有するタイムエントリーを探す1段階と、
前記探したタイムエントリーの経路情報が入力された経路と一致しているか否かを確認する2段階と、
前記確認結果によって、前記探したタイムエントリーに記録された累積大きさ情報を参照して、記録されたデータストリームの該当位置をサーチする3段階と、
前記サーチされたデータストリームの位置から記録されたデータストリームを再生しながら、前記サーチ要求された目標値の正確な位置を決定する4段階と
を含んでいることを特徴とする高密度光記録媒体でのデータサーチ方法。 - 前記3段階は、前記タイムエントリーに記録された特定位置情報をさらに参照して、記録されたデータストリームの該当位置をサーチすることを特徴とする請求項1に記載の高密度光記録媒体でのデータサーチ方法。
- 前記特定位置情報は、データストリームを構成する記録単位体のインデックス番号情報であることを特徴とする請求項2に記載の高密度光記録媒体でのデータサーチ方法。
- 前記1段階は、サーチ要求された目標値を越えないながら最も近接した累積時間値を有するタイムエントリーを探すことを特徴とする請求項1に記載の高密度光記録媒体でのデータサーチ方法。
- データサーチ要求時、各タイムエントリーの時間増加分と大きさ増加分とを合算する1段階と、
前記合算される時間情報がサーチ要求された目標値に最も近接するようになるタイムエントリーを探す2段階と、
前記探したタイムエントリーの経路情報が入力された経路と一致しているか否かを確認する3段階と、
前記確認結果によって、前記目標値に近接するデータストリームの記録位置をサーチする4段階と、
前記サーチされたデータストリームの位置から記録されたデータストリームを再生しながら、前記サーチ要求された目標値の正確な位置を決定する5段階と
を含んでいることを特徴とする高密度光記録媒体でのデータサーチ方法。 - 前記4段階は、前記合算された大きさ値で前記探したタイムエントリーの大きさ増加分が減算された大きさ値と、前記探したタイムエントリーに記録された特定位置情報を参照して、前記目標値に近接するデータストリームの記録位置をサーチすることを特徴とする請求項5に記載の高密度光記録媒体でのデータサーチ方法。
- 前記特定位置情報は、データストリームを構成する記録単位体のインデックス番号情報であることを特徴とする請求項6に記載の高密度光記録媒体でのデータサーチ方法。
- 前記2段階は、サーチ要求された目標値を超過するようになる合算時間値を有するタイムエントリーを探すことを特徴とする請求項5に記載の高密度光記録媒体でのデータサーチ方法。
- 前記1段階は、各タイムエントリー類型情報に含んで記録されたストリーム経路番号情報に基づいて、同一経路に該当するタイムエントリーの時間増加分を合算して、大きさ増加分に対しては経路に関係なく以前のタイムエントリーの大きさ情報をすべて合算することを特徴とする請求項5に記載の高密度光記録媒体でのデータ再生方法。
Applications Claiming Priority (1)
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KR20000027828 | 2000-05-23 |
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JP2001154593A Division JP2002083486A (ja) | 2000-05-23 | 2001-05-23 | 高密度光記録媒体におけるマルチ経路データを収容する方法 |
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JP2005149719A JP2005149719A (ja) | 2005-06-09 |
JP3908761B2 true JP3908761B2 (ja) | 2007-04-25 |
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JP2001154593A Pending JP2002083486A (ja) | 2000-05-23 | 2001-05-23 | 高密度光記録媒体におけるマルチ経路データを収容する方法 |
JP2004367314A Expired - Fee Related JP3908761B2 (ja) | 2000-05-23 | 2004-12-20 | 高密度光記録媒体におけるデータサーチ方法及びデータ再生方法 |
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JP2001154593A Pending JP2002083486A (ja) | 2000-05-23 | 2001-05-23 | 高密度光記録媒体におけるマルチ経路データを収容する方法 |
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US (2) | US7164845B2 (ja) |
JP (2) | JP2002083486A (ja) |
KR (1) | KR100394974B1 (ja) |
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2001
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- 2001-05-23 JP JP2001154593A patent/JP2002083486A/ja active Pending
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US7164845B2 (en) | 2007-01-16 |
JP2005149719A (ja) | 2005-06-09 |
JP2002083486A (ja) | 2002-03-22 |
KR100394974B1 (ko) | 2003-08-19 |
US20040223743A1 (en) | 2004-11-11 |
US7555200B2 (en) | 2009-06-30 |
KR20010107578A (ko) | 2001-12-07 |
US20010047378A1 (en) | 2001-11-29 |
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