Method and apparatus for recording optical information, and optical disk
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMamoru Shoji, Atsushi Nakamura, Takashi Ishida
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Abstract
A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including error correction codes. In recording data related to a content by dividing and recording the data in a plurality of sectors continuously, dummy data to be used for extracting a clock in PLL for data reproduction is recorded on a region adjacent before a sector from which data recording is started. The data related to the contents is recorded on sectors following the region recorded with the dummy data.
Claims36
A method of recording data optically onto an optical disk having a plurality of sectors, each sector having a data region to be recorded with data, the data being recorded in units of blocks, the block being a data unit which includes a predetermined number of sectors and to which error correction is applied, the method comprising:
- in recording data related to a content by dividing and recording the data on a plurality of continuous sectors,
- recording dummy data on a region adjacent before a sector from which data recording is started, the dummy data being used for extracting a clock for data reproduction;
- and
- recording the data related to the contents on sectors following the region recorded with the dummy data.
An apparatus for recording data optically onto an optical disk having a plurality of sectors, each sector having a data region to be recorded with data, the data being recorded in units of blocks, the block being a data unit which includes a predetermined number of sectors and to which error correction is applied,
- the apparatus comprising a recording unit that optically records the data to the optical disk, and a controller that controls the recording operation of the recording unit,
- wherein, in recording data related to a content by dividing and recording the data on a plurality of continuous sectors, the controller controls the recording unit such that dummy data to be used for extracting a clock for data reproduction is recorded on a region adjacent before a sector from which data recording is started, and that the data related to the contents is recorded on sectors following the region recorded with the dummy data.
An optical disk on which data is recorded optically, having a plurality of sectors, each sector having a data region to be recorded with data, the data being recorded in units of blocks, the block being a data unit which includes a predetermined number of sectors and to which error correction is applied, wherein
- in recording data related to a content by dividing and recording the data in a plurality of continuous sectors,
- dummy data is recorded on a region adjacent before a sector from which data recording is started, the dummy data is used for extracting a clock for data reproduction, and
- the data related to the contents is recorded on sectors following the region recorded with the dummy data.
Dependencies are inferred from the claim text.