Welcome to the ISO/IEC JTC 1/SC 29/WG 11 web site

also know as MPEG, the Moving Picture Experts Group.

The MPEG acronym is also used to indicate a suite of

ISO/IEC digital media standards developed by this JTC 1 Working Group.

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The Moving Picture Experts Group

The Scene Description looks similar to VRML. Is it?

Standard: 

The scene description has several similarities to VRML, as the set of nodes defined by VRML was used as an initial set of composition nodes for MPEG-4. The environment that MPEG-4 addresses, however, is quite different from VRML because a key requirement is support for high quality real-time audio-visual content. In addition, rather than using a static scene description, MPEG-4 defines a dynamic one in which objects can be added, changed, or removed from the scene description at any point in time. The MPEG group collaborates closely with VRML in order to ensure alignment and maximize the synergy of the work of both international bodies.