[Mp4-tech] MP4 information

[Dave Singer]

At 1:53 AM -0700 9/7/04, divya rao wrote:
>hi,
>
>I want to know everything about .mp4 file...Where can i find full 
>information on .mp4 file format?? Also, is this same as mpeg4??

MPEG-4 is the name of a group of standards in the family ISO/IEC 
14496.  There are specifications for systems, scenes, audio, video, 
DRM, file format, and so on.
Within that family part 12 defines a general-purpose 'base' file 
format, the iso base media file format.  Part 14 defines how MPEG-4 
streams are stored within that format.  The second is commonly known 
as the MP4 file format.
There is introductory material in various places, specs from 
www.iso.ch, open source software such as the cisco project, reference 
software available through ISO, and so on.
Hope this helps...
>
>regards,
>rdr
>
>
>
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-- 
David Singer
Apple Computer/QuickTime
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