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Data processing apparatus, reproduction apparatus, data processing system and reproduction method

A technology of data processing equipment and reproduction equipment, which is applied to the parts of TV systems, TVs, and color TVs, etc., which can solve problems such as poor response and achieve the effect of reducing the processing load

Inactive Publication Date: 2009-04-29
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the related system described above, when a transient command occurs, processing for transferring picture data for reproduction after the transient from the computer to the reproduction device inevitably occurs, so there is a The disadvantage that it takes a long time from the moment of the reproduction device to the moment of obtaining the reproduction output after the transient
That is, there is a disadvantage of poor response to transient reproduction

Method used

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  • Data processing apparatus, reproduction apparatus, data processing system and reproduction method
  • Data processing apparatus, reproduction apparatus, data processing system and reproduction method
  • Data processing apparatus, reproduction apparatus, data processing system and reproduction method

Examples

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no. 1 example

[0042] FIG. 1 is a view of the overall configuration of a data processing system 1 according to an embodiment of the present invention. As shown in FIG. 1 , a data processing system 1 has, for example, a computer 2 and a reproduction device 4 .

[0043] [Computer 2]

[0044] As shown in FIG. 1 , the computer 2 has an HDD 12 , a bridge 14 , a memory 16 , a bridge 18 , an operating device 19 , and a CPU 20 . It is to be noted that the memory 16 stores a predetermined program PRG1 (the program of the fifth aspect of the present invention), and the CPU 20 reads out and executes this program to perform the following processing. The predetermined program may be stored in a semiconductor memory or other memory 16, or may be stored on an HDD, an optical disk, or other storage medium.

[0045] For example, the HDD 12 stores reproduction data ENC encoded by the MPEG scheme. As shown in FIG. 2 , the reproduction data ENC is composed of a plurality of GOPs (Group of Pictures) that are ...

no. 2 example

[0144] The second embodiment relates to the tenth to fourteenth aspects of the present invention. The computer 2a corresponds to the inventive data processing device, and the reproducing device 4a corresponds to the reproducing device of the present invention. As shown in FIG. 1, a data processing system 1a has, for example, a computer 2a and a reproduction device 4a. In the present embodiment, the CPU 20a of the computer 2a controls the overall progress of decoding picture data at the reproduction device 4a. When the CPU 42a of the reproducing apparatus 4a receives the transfer completion notification from the computer 2a, it causes the decoders 34_1 to 34_3 to perform decoding of the GOP (picture data) specified by the transfer completion notification. For this reason, the CPU 42a does not require complicated management of GOPs stored in the input memory 32, or scheduling of decoding of GOPs, and can be realized by a processing circuit of low processing performance.

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Abstract

A data processing apparatus outputting picture data to a reproduction apparatus reproducing a plurality of picture data in an order in accordance with a designated reproduction direction, the unit having a processing circuit outputting to the reproduction apparatus the picture data in an order in accordance with a reproduction direction designated in the reproduction apparatus and writing it into an input memory in the reproduction apparatus and, when reversing the reproduction direction designated at the reproduction apparatus, outputting the picture data to the reproduction apparatus conditional on the picture data to be used next in reproduction by the reproduction direction after reversal not being stored in the input memory.

Description

[0001] Cross References to Related Applications [0002] The present application contains subject matter related to Japanese Patent Application No. 2004-311595 filed in Japan Patent Office on Oct. 26, 2004 and Japanese Patent Application No. 2005-243291 filed on Aug. 24, 2005, the entire contents of which are hereby incorporated by reference . technical field [0003] The present invention relates to a data processing device for reproducing data for reproduction, a reproducing device, a data processing system, a reproducing method, a program, and a storage medium. Background technique [0004] For example, there is a system that outputs data for reproduction encoded by the MPEG (Moving Picture Experts Group) scheme from a computer (data processing device) to a reproduction device for reproduction. In such a system, the computer sequentially outputs picture data required for reproduction to the reproduction device from among a plurality of picture data forming reproduction d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/92
Inventor 小薮恭平柴田正二郎纲岛修二高村元嗣柿田新次郎
Owner SONY CORP