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Signal reproducting apparatus and signal reproducting method

A technology of signal reproduction and storage device, which is applied in digital recording/reproduction, color TV signal processing, digital video signal modification, etc., and can solve problems such as the inability to seamlessly switch angles.

Inactive Publication Date: 2004-04-28
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Although a DVD playback device can simply switch angles, it cannot switch angles immediately and in a seamless manner when reproducing NSML_AG_BLK and NSML_AG_BLK

Method used

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  • Signal reproducting apparatus and signal reproducting method
  • Signal reproducting apparatus and signal reproducting method
  • Signal reproducting apparatus and signal reproducting method

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Embodiment Construction

[0034] Embodiments of the present invention will now be described with reference to the accompanying drawings.

[0035] A first embodiment will now be described. In this embodiment, a DVD reproducing apparatus will be described, which employs the signal reproducing apparatus and signal reproducing method of the present invention so as to be able to reproduce a DVD (Digital Video Disc: DVD-Video).

[0036] A DVD is a recording medium on which images compressed and encoded according to MPEG 2 (Moving Picture Coding Experts Group 2) are recorded. The data constituting the image data recorded on the DVD reproducing device is composed of I pictures, P pictures and B pictures, the I pictures are composed of intra-coded pictures, the P pictures are composed of inter pictures that have been predictively coded in the forward direction, and the B pictures are composed of Bidirectional predictive coded image composition.

[0037] I is encoded image data that can be generated by compres...

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Abstract

The object of the invention is that it provides A DVD reproducing apparatus which enables seamless images at a plurality of angles recorded on a DVD to simultaneously be watched or instantaneously be watched even if the angles are switched. A frame memory of the DVD reproducing apparatus has a display data storage region having nine storage regions corresponding to nine different images, for example images at nine angles to be displayed, a first decoded data storage region and a second decoded data storage region in which decoded I pictures and P pictures, that is decoded image data items, are stored.

Description

technical field [0001] The present invention relates to a signal reproducing device and a signal reproducing method for reproducing one moving image by decoding encoded image data forming the moving image, and more particularly to a signal reproducing device and a signal reproducing method for reproducing a plurality of moving images having the same attribute method. Background technique [0002] Optical discs have a common feature that allows random access. DVD (Digital Video Disc: DVD-Video), one of the optical disks, utilizes the above-mentioned features, so that a multi-angle function and a multi-process function can be realized. [0003] The multi-angle function is a function that reproduces an image obtained by shooting a certain image from multiple angles. For example, images of a certain object from multiple angles can be reproduced. [0004] DVD uses angle blocks each formed of data so that multi-angle images are selectively reproduced. Angle blocks are formed f...

Claims

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Application Information

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IPC IPC(8): G11B20/10G11B27/00H04N5/85H04N5/92H04N9/804H04N9/806H04N9/82H04N19/423H04N19/44H04N19/50H04N19/503H04N19/577H04N19/65H04N19/70H04N19/85H04N19/89
CPCH04N5/85H04N9/8063H04N9/8227G11B2220/2562H04N9/8042G11B20/10H04N19/42G11B2020/10944
Inventor 清水义则河村真
Owner SONY CORP
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