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MPEG-4 Part 11 - Wikipedia Jump to content

MPEG-4 Part 11

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MPEG-4 Part 11 Scene description and application engine was published as ISO /IEC 14496-11 in 2005. [1] MPEG-4 Part 11 is also known as BIFS, XMT, MPEG-J . [2] [3] It defines:

  • the coded representation of the spatio-temporal positioning of audio-visual objects as well as their behaviour in response to interaction (scene description);
  • the coded representation of synthetic two-dimensional (2D) or three-dimensional (3D) objects that can be manifested audibly or visually;
  • the Extensible MPEG-4 Textual (XMT) format - a textual representation of the multimedia content described in MPEG-4 using the Extensible Markup Language (XML);
  • and a system level description of an application engine (format, delivery, lifecycle, and behaviour of downloadable Java byte code applications). (The MPEG-J Graphics Framework eXtensions (GFX) is defined in MPEG-4 Part 21 - ISO/IEC 14496-21. [4] )

Binary Format for Scenes ( BIFS ) is a binary format for two- or three-dimensional audiovisual content. It is based on VRML and part 11 of the MPEG-4 standard.

BIFS is MPEG-4 scene description protocol to compose MPEG-4 objects, describe interaction with MPEG-4 objects and to animate MPEG-4 objects.

MPEG-4 Binary Format for Scene (BIFS) is used in Digital Multimedia Broadcasting (DMB). [5]

The XMT framework accommodates substantial portions of SMIL , W3C Scalable Vector Graphics (SVG) and X3D (the new name of VRML). Such a representation can be directly played back by a SMIL or VRML player, but can also be binarised to become a native MPEG-4 representation that can be played by an MPEG-4 player. Another bridge has been created with BiM (Binary MPEG format for XML). [6]

See also [ edit ]

References [ edit ]

  1. ^ ISO. "ISO/IEC 14496-11:2005 - Information technology -- Coding of audio-visual objects -- Part 11: Scene description and application engine" . ISO . Retrieved 2009-10-30 .
  2. ^ "MPEG-J White Paper" . July 2005 . Retrieved 2010-04-11 .
  3. ^ "MPEG-J GFX white paper" . July 2005 . Retrieved 2010-04-11 .
  4. ^ ISO. "ISO/IEC 14496-21:2006 - Information technology -- Coding of audio-visual objects -- Part 21: MPEG-J Graphics Framework eXtensions (GFX)" . ISO . Retrieved 2009-10-30 .
  5. ^ "MPEG Intellectual Property Management and Protection" . chiariglione.org. April 2009 . Retrieved 2010-04-11 .
  6. ^ Leonardo Chiariglione (2005-03-08). "Riding the media bits - Bits and bytes" . Archived from the original on 2010-09-25 . Retrieved 2009-10-30 .

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