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MPEG-4 Part 11

From Wikipedia, the free encyclopedia
(Redirected fromMPEG-4 BIFS)
File compression format
"BIFS" redirects here. For BIFs, seebanded iron formation.

MPEG-4 Part 11Scene description and application engine was published asISO/IEC 14496-11 in 2005.[1] MPEG-4 Part 11 is also known asBIFS, 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;
  • theExtensible MPEG-4 Textual (XMT) format - a textual representation of the multimedia content described in MPEG-4 using theExtensible Markup Language (XML);
  • and a system level description of an application engine (format, delivery, lifecycle, and behaviour of downloadableJava 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 abinary format for two- or three-dimensional audiovisual content. It is based onVRML and part 11 of theMPEG-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 inDigital Multimedia Broadcasting (DMB).[5]

The XMT framework accommodates substantial portions ofSMIL, W3CScalable Vector Graphics (SVG) andX3D (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 withBiM (Binary MPEG format for XML).[6]

See also

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References

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  1. ^ISO."ISO/IEC 14496-11:2005 - Information technology -- Coding of audio-visual objects -- Part 11: Scene description and application engine". ISO. Retrieved2009-10-30.
  2. ^"MPEG-J White Paper". July 2005. Retrieved2010-04-11.
  3. ^"MPEG-J GFX white paper". July 2005. Retrieved2010-04-11.
  4. ^ISO."ISO/IEC 14496-21:2006 - Information technology -- Coding of audio-visual objects -- Part 21: MPEG-J Graphics Framework eXtensions (GFX)". ISO. Retrieved2009-10-30.
  5. ^"MPEG Intellectual Property Management and Protection". chiariglione.org. April 2009. Retrieved2010-04-11.
  6. ^Leonardo Chiariglione (2005-03-08)."Riding the media bits - Bits and bytes". Archived fromthe original on 2010-09-25. Retrieved2009-10-30.

External links

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MPEG-1 Parts
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MPEG-21 Parts
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