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Method and device for backuping DVD optical disk

A backup and CD-ROM technology, applied in the direction of digital recording/reproduction, etc., can solve problems such as inconsistencies in operation methods, and achieve the effect of enhancing viewing experience and shortening waiting time

Active Publication Date: 2012-08-08
WONDERSHARE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, because there is no menu or the menu is different, the operation mode of the user watching the backup disc on the DVD player is inconsistent with the original disc

Method used

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  • Method and device for backuping DVD optical disk
  • Method and device for backuping DVD optical disk
  • Method and device for backuping DVD optical disk

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] The invention provides a method for backing up a DVD disc, comprising: backing up the Video_TS file in the DVD disc; parsing the IFO file in the Video_TS file to obtain information on all video titles (Title); identifying the The main video title and non-main video title in the video title, and analyze the IFO file corresponding to each non-main video title, to obtain and modify the playback information of all video units (Cells) in each non-main video title, so that each All video units in the non-main video title can be played quickly; use the modified playback information of all video uni...

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Abstract

The invention relates to a method for backuping a DVD optical disk and is characterized in that the method comprises the steps: backuping Video TS files in the DVD optical disk; analyzing IFO files in the Video TS files to obtain all video title information; identifying main video titles and non-main video titles in the video titles and analyzing IFO files corresponding to each non-main video title to obtain and modify play information of all video units in each non-main video title, thus enabling all the video units in each non-main video title to be played completely and rapidly; and using modified play information of all the video units in each non-main video title to replace original play information to generate new IFO files and BUP files. The technical scheme shortens the watch waiting time and enhances the viewing experience of a user. The operation mode of the user keeps consistent with that of the original disk when the optical disk is played after the backup.

Description

technical field [0001] The present invention relates to DVD technology, more specifically, relates to a method and device for backing up DVD discs. Background technique [0002] The full name of DVD is "Digital Video Disc", that is, "Digital Video Disc". Generally, the directory on the DVD disc contains two subdirectories, Audio_TS and Video_TS (Video Title Set, VTS). Since Audio_TS is reserved for DVD-AUDIO of the DVD version, this folder is empty in the DVD movie disc. And Video_TS saves all the video, audio and subtitle information of the movie. According to the DVD-VIDEO standard, a standard Video_TS folder should contain three types of files: VOB, IFO, and BUP. Let’s look at their respective functions below. [0003] VOB (Video OBjects video object file): VOB files are used to save video data streams, audio data streams, multilingual subtitle data streams and screen data for menus and buttons in DVD movies. Since a VOB file can store at most 1 video data stream, 8 a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/10
Inventor 宋洋蒋义勇
Owner WONDERSHARE TECH CO LTD
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