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The object-level functionalities of MPEG-4 , for example , will require authentication at the granular object level : an instructor may wish to give selected viewers permission to change the visual properties or modify an object within a video . Finally , new scalable coding techniques in MPEG-4 require advanced methods of modeling , bit allocation and transport ; such techniques are currently under investigation . Obviously , it would be nice to be able to slip in a 512MB card loaded with a couple of MPEG-4 movies and music . The object-level functionalities of MPEG-4 , for example , will require authentication at the granular object level : an instructor may wish to give selected viewers permission to change the visual properties or modify an object within an video . The fragmentation rules described in this document are flexible but manage to define the minimum rules for preventing meaningless fragmentation while utilizing the error resilience functionalities of MPEG-4 Visual . The key mechanism of MPEG-4 technology is its ability to stream scenes through media objects ( aural , video , audio-visual content that can be either natural or synthetic ) , allowing a separation of elements into layers . MPEG LA , an independent agency designed to provide one-stop technology standards licensing , will disclose the terms and conditions of its licensing structure for MPEG-4 video on Thursday ( Jan. 31 ) , EE Times has learned .