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Playback apparatus and method

A technology of playback and equipment, which is applied in the field of computer programs and can solve problems such as difficulty in achieving requirements

Inactive Publication Date: 2007-02-21
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above-mentioned technology, since the recording time cannot be used for retrieval, it is difficult to realize the requirement of retrieving a desired still picture from a huge number of still pictures

Method used

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  • Playback apparatus and method
  • Playback apparatus and method
  • Playback apparatus and method

Examples

Experimental program
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Embodiment Construction

[0051] Embodiments of the present invention for achieving the first object will be described below.

[0052] figure 1 The configuration diagram of Example 1 is shown. In the figure, N (N is an integer greater than or equal to 1) still pictures (VOB) (1) coded by the above-mentioned MPEG I-picture etc. are collected as a still picture group (VOBG) (2). Control the time when the number of still pictures (1) in the still picture group (VOBG) (2) reaches a certain value (for example, 64, etc.) during still picture recording, and the time when the action mode is switched from animation pictures to still pictures, The next still picture group (VOBG) is generated (2). The data (coded stream data) of the still picture (VOB) (1) is recorded on the recording medium as a VOB file (11) described later, and the information for defining the still picture group (VOBG) (2) is recorded as a VOB management file ( 12) Recording on a recording medium.

[0053] The VOB management file (VOBGI)...

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Abstract

The invention provides an optical disk that records a huge amount of still image data, realizes retrieval based on its recording time and reduces a data size of recording time information, and to provide an optical disk recorder and an optical disk reproducing device. In order to minimize a data quantity to manage a recording time of a still picture, N (N is an integer of 1 or over) sets of still images are grouped and a recording time of a still image recorded at first for each group and a recording time of a still image finally recorded by each group are recorded as management information.

Description

[0001] This application is a divisional application of an invention patent application with the application number 200410034238.2, the application date being August 6, 1999, and the invention title being "playback device and playback method". technical field [0002] The present invention relates to a rewritable recording medium, a recording device and a playback device thereof, a recording method for the recording medium, and a computer program for realizing the recording method. It is especially suitable as a recording medium for an optical disc on which a large amount of still picture data is recorded. Background technique [0003] With the advent of optical disc recording media capable of large-capacity rewritability, such as DVD-RAM and DVD-RW, the development of technologies for recording data such as images and audios therein has sprung up. As video data, generally, data encoded by the MPEG (Moving Picture Experts Group) method described in the ISO / IEC11172 standard a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G11B27/00H04N5/91H04N5/93
Inventor 伊达哲影山昌广伊藤保
Owner HITACHI LTD
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