[Mp4-tech] Re: How to generate MPEG7 streams in .mp4 files ?

[Ralph Sperschneider]

james engwell wrote:
> Hello there,
> 
> I am contacting you on behalf of a company called versatile delivery 
> systems, we are trying to get some clarification in regard to embedding 
> mpeg7 xml in mpeg4 files.
> 
> Over the last year we have developed a video tagging system. We wish to 
> be able to generate an MPEG7 stream to carry the metadata, but have been 
> unable to find out how to do this, as the following snip from an e mail 
> conversation with Jan devos of the 3ivx company shows:
> 
>         We are finding it very difficult to access any expertise in this
>         area, and I have yet to actually find an example of MPEG7
>         embedding in .mp4 , although it is in the standard - has anyone
>         actually achieved this ? Any more information or leads you could
>         give us in this regard would be much appreciated...
> 
> 
>     My understanding is that there are some items MPEG-7 does not cater
>     for which is why Apple chose to use ID3 tags in .mp4 files with
>     iTunes. Since Apple was the first major company to roll out .mp4
>     files with meta data this became the de-facto standard.
> 
>     Besides that if I recall correctly MPEG-7 data in .mp4 files is
>     still in the process of being standardized.
> 
> 
> If there is any help you could give us to help us get to the bottom of 
> this problem, your feedback would be much appreciated
> 
> Yours sincerely
> 
> James Engwell
> 
> 
> /Development Director at vds ltd./
> 
> 
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Dear James, all,
you might want to look at:
N6443: MPEG Music Player Application Format
This is also known as the first part of "MPEG A", a new standardization effort 
of MPEG. This document is available publicly:
http://www.chiariglione.org/mpeg/working_documents.htm
Hope this helps,
Ralph
-- 
Dipl.-Ing. Ralph Sperschneider  | Phone: +49 9131 776 344
Fraunhofer IIS                  | Fax:   +49 9131 776 398
Am Wolfsmantel 33               | mailto:ralph.sperschneider iis.fraunhofer.de
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