Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Youji Notoya0
Naoto Otake0
Tadamasa Toma0
Yoshinori Matsui0
Koji Imura0
Date of Patent
October 14, 2008
Patent Application Number
10504295
Date Filed
April 22, 2003
Patent Primary Examiner
Patent abstract
A demultiplexing apparatus includes a data obtainment unit to obtain the MP4 file data, and a decoding unit to demultiplex the MP4 file data obtained by the data obtainment unit into pairs of a moov and a mdat and pairs of a moof and a mdat, and decode those pairs pair-by-pair. A content duration specification unit specifies the content total duration based on the content total duration information contained in the moov of the MP4 file data obtained by the data obtainment unit and a playback unit displays the content total duration specified by the content duration specification unit.
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