The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2016

Filed:

Dec. 17, 2014
Applicants:

Sony Corporation, Tokyo, JP;

Sony Pictures Entertainment Inc., Culver City, CA (US);

Inventors:

Kenjiro Ueda, Kanagawa, JP;

Tateo Oishi, Saitama, JP;

Yoshikazu Takashima, Los Angeles, CA (US);

Assignees:

SONY CORPORATION, Tokyo, JP;

SONY PICTURES ENTERTAINMENT INC., Culver City, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01); G06F 12/14 (2006.01); H04N 21/4402 (2011.01); G06F 21/10 (2013.01); H04N 21/2343 (2011.01); H04N 21/2347 (2011.01); H04N 21/4405 (2011.01); G06F 17/00 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04N 21/440218 (2013.01); G06F 21/10 (2013.01); H04N 21/2347 (2013.01); H04N 21/234309 (2013.01); H04N 21/4405 (2013.01); G06F 2221/0724 (2013.01);
Abstract

Provided is an information processing device including: a data processing unit that performs format conversion of converting MPEG-2 TS format data into MP4 format data, wherein the MPEG-2 TS format data is data that includes each segment region having a plurality of pieces of variation data decryptable with different keys, and wherein the data processing unit selects encrypted MP4 variation data from the segment region of the MPEG-2 TS format data and stores the MP4 variation data as MP4 format structure data in an MP4 file, while the encrypted variation data remains, without performing a decryption process and a re-encryption process for the selected MP4 variation data.


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