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Information reproducing apparatus and information reproducing method

A technology for information reproduction and equipment, applied in information storage, recorded information storage, digital recording/reproduction, etc., and can solve problems such as impossible video synchronization

Inactive Publication Date: 2007-06-06
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is impossible to get video synchronization precisely

Method used

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  • Information reproducing apparatus and information reproducing method
  • Information reproducing apparatus and information reproducing method
  • Information reproducing apparatus and information reproducing method

Examples

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Embodiment Construction

[0017] Now, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows an optical disc device described in this embodiment. This optical disc device can handle HD DVDs and hard disks as recording media. A recording medium using, for example, a semiconductor memory can be used instead of a hard disk or HDDVD.

[0018] The blocks in FIG. 1 are roughly divided into recording unit main bodies on the left and reproduction unit main bodies on the right.

[0019] The optical disc device shown in FIG. 1 has two types of disc drive units. First, the optical disc device has a disc drive unit 12 that rotationally drives the optical disc 11 serving as a first medium, ie, an information recording medium configuring a video file, and performs information reading and writing. In addition, the optical disc device has a hard disk drive (HDD) unit 13 that drives a hard disk 13a serving as a second medium.

[0020] The data proc...

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Abstract

An information reproducing apparatus and information reproducing method. According to one embodiment, an offset between time bases of first and second digital offset data series is calculated on the basis of a reproduction start time included in the first digital data series, a reproduction start time included in the second digital data series, and a playlist for specifying a reproduction sequence of the first and second digital data series in units of video fields, and the thus calculated offset is added to time information included in the second digital data series.

Description

technical field [0001] The present invention relates to an information reproducing apparatus and an information reproducing method for synchronously reproducing a plurality of program streams having different time bases. Background technique [0002] It is known that optical discs such as digital versatile discs (DVD) have become popular as digital recording media in recent years. In addition, there has been a demand for high reliability of optical disc devices used to reproduce these optical discs. [0003] DVD has made progress in terms of specification. Currently, a next-generation DVD standard has been completed, which is compatible with high-definition video and is called, for example, high-definition (HD) DVD or Blu-ray. In the next-generation DVD standard, the recording density becomes significantly higher than that in the current DVD standard. Therefore, there has been a need for an optical disc device having high functionality corresponding to such a higher recor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10H04N5/91G11B27/00G11B27/02G11B27/10H04N5/92H04N5/93
CPCG11B27/3027G11B27/10G11B2220/2579G11B27/32G11B2220/2562
Inventor 铃木信幸
Owner KK TOSHIBA