Title:
データ処理装置、データ処理方法、データ処理プログラム、およびそのデータ処理プログラムを記録した記録媒体、並びに集積回路
Document Type and Number:
Japanese Patent JP4902644
Kind Code:
B2
Abstract:
A data processing device for processing stream data composed of a plurality of frames generated with encoded contents data, which includes a protected storage unit for storing data, being protected from external access, a non-protected storage unit for storing data, a receiving unit for receiving stream data, a separating unit for separating the stream data into protected data including frames necessary for decoding of other frames, and non-protected data not including frames necessary for decoding of other frames, and storing the protected data in the protected storage unit and storing the non-protected data in the non-protected storage unit, and a combining unit for restoring the stream data by combining the protected data stored in the protected storage unit and the non-protected data stored in the non-protected storage unit.
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Inventors:
Nobukazu Kurauchi
Application Number:
JP2008513184A
Publication Date:
March 21, 2012
Filing Date:
April 23, 2007
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H04N5/91; G06F21/10; G06F21/60; G11B20/10; H04N5/93; H04N7/167
Domestic Patent References:
| JP2006023957A | 2006-01-26 | |||
| JP2006121347A | 2006-05-11 | |||
| JP2004199693A | 2004-07-15 | |||
| JP2003280989A | 2003-10-03 | |||
| JP2002014871A | 2002-01-18 | |||
| JP2001043139A | 2001-02-16 |
Foreign References:
| WO2005096168A1 | 2005-10-13 |
Attorney, Agent or Firm:
Shiro Nakajima
Kobayashi Kunito
Koji Kawabata
Hiroki Naito
Kobayashi Kunito
Koji Kawabata
Hiroki Naito