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Device and method for recording information

A technology for recording information and equipment, which is applied in the direction of recording information storage, recording signal processing, data recording, etc., and can solve the problem that the corrected image data is not enough to hide the detection

Inactive Publication Date: 2008-04-23
KONINK PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Known systems suffer from insufficient correction of image data to conceal detected errors
Furthermore, more complex types of errors, such as those found in systems for recording video information in a consumer environment, cannot be easily concealed by providing correction data

Method used

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  • Device and method for recording information
  • Device and method for recording information
  • Device and method for recording information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] FIG. 1 shows a disc-shaped record carrier 11 with a track 9 and a central hole 10 . The track 9 is a series of positions representing (to-be) recorded marks of information arranged in a spiral of revolutions constituting substantially parallel tracks on the information layer. The record carrier may be optically readable, a so-called optical disc, and have an information layer of the recordable type. Examples of recordable optical discs are CD-R, CD-RW, writable versions of DVD such as DVD+RW and high-density rewritable discs using blue lasers called Blue-ray Discs (BD). More details on DVD discs can be found in reference ECMA-267: 120mm DVD-Read-Only Disc (1997). Information is represented on the information layer by recording optically detectable marks along the track, for example crystalline or amorphous marks in a phase change material. The track 9 on a recordable type of record carrier is represented by a pre-emboss track structure which is provided during manufac...

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PUM

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Abstract

A device for recording digitally encoded video information records video segments and playback information for controlling the playback of the segments. The device has an error detection unit ( 32 ) for detecting recording errors, and a bridging unit for creating a bridge segment in the event of a detected recording error. The bridge segment ( 360,460 ) replaces the recorded video between an exit point in a segment before the detected recording error and an entry point in a segment after the recording error. The bridge segment ( 360,460 ) is recorded in a location in the track different from a location of the detected recording error. Further bridging playback information is recorded for controlling in playback mode to reproduce the encoded video up to the exit point via the bridge segment and continuing at the entry point.

Description

technical field [0001] The invention relates to a device for recording information in tracks of a recordable area of ​​a record carrier, the device comprising recording means for recording marks representing the information. [0002] The invention also relates to a method of recording information, the method comprising recording marks representing the information in tracks of a recordable area of ​​a record carrier. [0003] The invention also relates to a computer program product for recording information. Background technique [0004] Devices and methods for recording information on a record carrier are known video CD systems in which digitally compressed video data is recorded on an optical disc according to the MPEG format. A video CD player is known from JP 08237606. During reading of the digital image information and decoding of the information, defects in the readout signal of the compressed digital image data are detected. The correction unit is used to provide co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/18G11B20/12G11B20/10
CPCG11B20/18G11B20/10G11B20/00
Inventor J·F·R·布拉奎雷
Owner KONINK PHILIPS ELECTRONICS NV