Method of recording and reproducing sample data to/from a...

Details Method of recording and reproducing sample data to/from a... Method of recording and reproducing sample data to/from a...

2006-08-29

2009-12-15

Tran, Thang V (Department: 2627)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

Reexamination Certificate

active

07634447

ABSTRACT:
The present invention provides according to an embodiment a method of reproducing digital content, comprising: (a) determining whether a sample data is present based on an indication information indicating a presence of the sample data; (b) reading a position information representing a location of a sample data if the sample data is present as a result of the step (a), the sample data being same as a portion of digital content and not protected; and (c) reproducing the sample data based on the read position information without Digital Right Management (DRM) information, the DRM information authorizing a reproduction of the digital content.

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