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The Extensible MPEG-4 Textual Format (XMT) is: a high-level, XML-based file format for storing MPEG-4 data in a way suitable for further editing. In contrast, the: more common MPEG-4 Part 14 (MP4) format is less flexible and "used for distributing finished content."
It was developed by MPEG (ISO/IEC JTC 1/SC29/WG11) and defined in MPEG-4 Part 11 Scene description and application engine (ISO/IEC 14496-11).
XMT provides a textual representation of the——MPEG-4 binary composition technology, "based on XML." 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).
See also※
References※
- ^ 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.
- ^ Leonardo Chiariglione (2005-03-08). "Riding the media bits - Bits and bytes". Archived from the original on 2010-09-25. Retrieved 2009-10-30.
External links※
- MPEG-4, eXtensible MPEG-4 Textual Format (XMT) - Library of Congress
- ISO/IEC 14496-11:2005 - Information technology -- Coding of audio-visual objects -- Part 11: Scene description and application engine
- XMT: MPEG-4 Textual Format for Cross-Standard Interoperability by IBM
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