Title:
DATA PROCESSING METHOD AND APPARATUS THEREFOR
Document Type and Number:
Japanese Patent JP2004271958
Kind Code:
A
Abstract:
To provide a data processing method which can specify an outflow source of content data flowing out of a specified recording medium.
A film RF to be examined is reproduced to generate reproduced data RPCA. Then a correlation processing part 33 detects the correlation between examined content reproduced data RCT and difference data DIF read out of a database 25, judges whether there is a difference due to variance characteristic of recording sensitivity from the correlation, and verifies which of a plurality of legally copied films CF the examined film RB is based upon according to the result of the judgment.
Inventors:
HIRAI JUN
Application Number:
JP2003063269A
Publication Date:
September 30, 2004
Filing Date:
March 10, 2003
Export Citation:
Assignee:
SONY CORP
International Classes:
G03B31/00; G06F7/00; G06F17/15; G06T7/00; G11B20/10; H04N5/91; (IPC1-7): G03B31/00; G06F17/15; G06T7/00; G11B20/10; H04N5/91
Attorney, Agent or Firm:
Takahisa Sato