Device and method of of information processing

Application Number: 00105337
Application Date: 2000.03.31
Publication Number: 1268843
Publication Date: 2000.10.04
Priority Information: 1999/3/31 JP 091562/1999
International: H04N5/913
Applicant(s) Name: Canon K. K.
Inventor(s) Name: Nakagawa Toshiyuki
Patent Agency Code: 11038
Patent Agent: yu jing
Abstract There is provided an information processing method/apparatus for demultiplexing object streams from a datastream which includes a plurality of object streams each having predetermined information, and decoding, synthesizing, and outputting the object streams, wherein the object streams are authenticated, and whether or not the playback control of a predetermined object stream is done before or after decoding of the predetermined object stream is determined in accordance with the method and result of authentication.