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Data processing device and data processing method

A data processing device and data technology, applied in data recording, recording signal processing, digital signal formatting, etc.

Inactive Publication Date: 2009-08-05
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the microcontroller must perform switching control of each switch

Method used

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  • Data processing device and data processing method
  • Data processing device and data processing method
  • Data processing device and data processing method

Examples

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Embodiment Construction

[0042] Next, a playback device as an embodiment of the data processing device according to the present invention will be described with reference to the drawings.

[0043] First, the data structure of the data stream to be processed in the data processing device according to this embodiment will be described, and then the configuration and operation of the playback device will be described.

[0044] figure 2 Indicates the data structure of the MPEG-2 transport stream 20. An MPEG-2 transport stream 20 (hereinafter referred to as "TS20") includes a plurality of TS Object Units (TS Object Units; TOBUs) 21 composed of one or more transport packets (TS packets). The TS information packet (TSpacket), for example, in addition to including the video TS information packet (V_TSP) 30 storing the compressed video data and the audio TS information packet (A_TSP) 31 storing the compressed audio data, also includes storing the program table ( Program·combination·table; PAT packet (PAT_TS...

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Abstract

A data processor includes: a stream extracting section for acquiring streams; an inserting section, which inserts identifying information between the streams obtained by the stream extracting section; a decoder, which performs decoding to the streams obtained by the stream extracting section in sequence at prescribed units, and outputs the decoded data; and detection unit, for detecting whether identifying information is included in the unit to be decoded by the decoder, if so, the detection unit does not output the data in the unit to be decoded, and tranfers to the next unit for decoding processing.

Description

[0001] This application is a divisional application of the application number "200480010917.4 (PCT / JP2004 / 005831)", the filing date is April 22, 2004, and the invention name is "data processing device". technical field [0002] The present invention relates to techniques for reproducing video and / or audio from a data stream. More specifically, the present invention relates to techniques suitable for successively reproducing different parts of the same data stream or multiple data streams. Background technique [0003] In recent years, with the development of digital technology, data related to video or audio content can be encoded in accordance with standards such as MPEG, and recorded as an encoded data stream on a recording medium such as an optical disc or a hard disk. Furthermore, a technique for reproducing an encoded data stream from such a recording medium corresponding to the recording technique has also been proposed and put into practical use. [0004] For example...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/92H04N5/93G11B20/12G11B20/18G11B27/10H04N9/804H04N9/806
CPCG11B20/18G11B20/1217H04N9/8063G11B27/105H04N9/8042
Inventor 森本健嗣则竹俊哉
Owner PANASONIC CORP
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