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Recording medium having data structure for managing reproduction of multiple reproduction path video data for at least a segement of a title recorded thereon and recording and reproducing methods and

A recording medium and data structure technology, applied in the direction of digital recording/reproduction, combined recording, data recording, etc.

Inactive Publication Date: 2008-01-02
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is currently no efficient data structure for managing the reproduction of video and audio data recorded on a high-density read-only disc such as BD-ROM

Method used

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  • Recording medium having data structure for managing reproduction of multiple reproduction path video data for at least a segement of a title recorded thereon and recording and reproducing methods and
  • Recording medium having data structure for managing reproduction of multiple reproduction path video data for at least a segement of a title recorded thereon and recording and reproducing methods and
  • Recording medium having data structure for managing reproduction of multiple reproduction path video data for at least a segement of a title recorded thereon and recording and reproducing methods and

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Embodiment Construction

[0034] In order that the present invention may be fully understood, preferred embodiments thereof will now be described with reference to the accompanying drawings.

[0035] A high-density optical disc such as a Blu-ray ROM (BD-ROM) according to the present invention may have a file or data structure for managing reproduction of video and audio data as shown in FIG. 2 . Many aspects of the data structure according to the present invention as shown in FIG. 2 are the same as the BD-RW standard discussed with reference to FIG. 1 . These aspects are therefore not described in more detail.

[0036] As shown in Figure 2, the root directory includes at least one DVP directory. Among others, the DVP directory includes: general information file info.dvp, menu files menu.tidx and menu.tdt1, PLAYLIST ( Playlist) directory, CLIPINF (clip information) directory in which clip information files (*.clpi) are stored, and STREAM (stream )Table of contents.

[0037] The STREAM directory incl...

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Abstract

The recording medium includes at least one data area storing more than one clip of video data for at least one segment of a title, and each clip of video data is associated with a different reproduction path of the segment.

Description

technical field [0001] The present invention relates to a recording medium having a data structure for managing reproduction of at least a plurality of reproduction path video data recorded thereon, and methods and apparatuses for reproduction and recording. Background technique [0002] Standardization of new high-density read-only and rewritable optical discs capable of recording large amounts of high-quality video and audio data is rapidly advancing, and new optical disc-related products are expected to appear on the market in the near future. Blu-ray Disc Rewritable (BD-RW) is an example of this new type of optical disc. [0003] Fig. 1 shows the file structure of BD-RW. The file structure or data structure is used to manage reproduction of video and audio data recorded on the BD-RW. As shown, the data structure includes a root directory containing at least one BDAV directory. The BDAV directory includes: files such as "info.bdav", "menu.tidx" and "mark.tidx", a PLAYL...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/10H04N5/92G11B11/00G11B20/12G11B27/034G11B27/10G11B27/30G11B27/32G11B27/34H04N5/85H04N9/804H04N9/806H04N9/82H04N21/432H04N21/482
CPCH04N21/4325G11B27/34G11B27/105H04N9/8063G11B2220/2562G11B2220/216G11B27/034G11B27/329G11B2220/213H04N9/8227H04N9/8205G11B27/3027H04N21/4825H04N5/85G11B2220/2541H04N9/8042G11B20/10
Inventor 玄恩实金炳振朴成浣徐康洙严圣铉刘济镛
Owner LG ELECTRONICS INC