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Information processing device, information processing method and program, and recording medium

A technology of information processing equipment and information processing methods, which is applied in the directions of information storage, record information storage, image communication, etc., and can solve problems such as delaying readout operations and time-consuming readouts

Active Publication Date: 2008-12-31
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, for the data format shown in Figure 1, the address information is embedded in the MPEG program stream, so that reading becomes time-consuming
That is, in determining the readout address of the still picture, stream data is read out from the disk, the data is analyzed by the main CPU of the player, and then the address of the access point of the still picture is determined, thus delaying the readout operation

Method used

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  • Information processing device, information processing method and program, and recording medium
  • Information processing device, information processing method and program, and recording medium
  • Information processing device, information processing method and program, and recording medium

Examples

Experimental program
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no. 1 example

[0063] (1-1) Data structure

[0064] Here, the structure of data recorded and / or reproduced by the information processing apparatus in the first embodiment of the present invention is explained. Fig. 2 shows a simplified structure of a still image application format on a recording medium used in a recording and / or reproducing system according to the present invention. This format has a structure similar to the application format described in the aforementioned Conventional Example 2, and has two layers, PlayList (PlayList) and Clip (Clip), for overseeing AV streams.

[0065] In the present first embodiment, a pair formed by a still picture group (picture file group) as a still picture set composed of one or more source groups and its auxiliary information is regarded as one object, which is referred to as clip unit to manage. Auxiliary information (image attribute information) of a still picture group is called clip information.

[0066] A collection of playback domains of ...

no. 3 example

[0146] A third embodiment of the present invention will be described below. In this third embodiment, if the playback time of still images is predetermined, in the first embodiment of the above-mentioned slide show of FIG. 4 or in the slide show of FIG. 7 or FIG. As described in the scene or page in the show, playback control information designating a single playback path is a single play item, and a plurality of play items corresponding to the number of scenes or pages are provided. The structure is similar to the structure of the play item in the information processing device described in prior art example 2 by employing each play item to represent a playback path (one playback domain), in prior art example 2, providing Playback domains of AV streams (play items represented by a pair of IN-point (in point) and OUT-point (out point) on the time axis) arranged into groups are defined, thereby further improving compatibility.

[0147] (3-1) Slideshow: Still images only

[014...

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Abstract

An information processing device serving as a recording device, creating a clip information file of a still image file (TS file) composed of a plurality of still images, creating a playlist composed of a plurality of play items representing a reproduction path of a slideshow, And record this information and TS file on DVD. The clip information file includes EP_map, which is a table indicating the correspondence relationship between the value of the presentation time stamp PTS of the TS and the source packet number SPN within the TS indicated by the value. An information processing device serving as a reproducing device obtains a TS data address represented by a play item reproduction start time IN_time and a reproduction end time OUT_time, and reproduces a still image by referring to EP_map in clip information and reading information therefrom.

Description

technical field [0001] The present invention relates to a recording medium having recorded thereon data composed of still images for a so-called slide show suitable for continuous reproduction of still images and auxiliary information thereof for recording and / or reproducing the data Information processing methods, information processing equipment and programs. [0002] This application claims Japanese Patent Application No. 2002-367235 filed in Japan on December 18, 2002, Japanese Patent Application No. 2003-067025 filed in Japan on March 12, 2003, and Japanese Patent Application No. 2003-067025 filed in Japan on May 9, 2003 priority of Japanese Patent Application No. 2003-132193, the entire contents of which are incorporated herein by reference. Background technique [0003] The DVD-Video standard has realized continuous reproduction of still images (so-called slide show). Each still picture signal is encoded into an intra picture (I picture) of MPEG2 (Moving Picture Exp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/91
CPCG11B27/105
Inventor 加藤元树
Owner SONY CORP