discussion of the Creative Commons Metadata work

[Mike Linksvayer <ml AT creativecommons.org>]

On Fri, 2005-12-23 at 13:17 -0800, Mike Linksvayer wrote:
> The new recommendation would probably be to use two fields specifically
> intended to contain URLs and only URLs.  For ID3v2, those might be
> 
> WCOP (pointing to a license URL)
>   Definition: http://www.id3.org/id3v2.3.0.html#WCOP
>   Example value: http://creativecommons.org/licenses/by/2.0/
> 
> WOAF (pointing to a web page describing a file, potentially including
> license information/metadata)
>   Definition: http://www.id3.org/id3v2.3.0.html#WOAF
>   Example value: http://example.com/a_song_sung_by_me.html
> 
> Note that these map to current use of licenses and metadata on web pages
> -- the license notice points to a CC license URL, and describes the
> current page (the current page is its own "official page").
> 
> Comments?  Suggestions for implementation in other formats?  I'm
> particularly interested in EXIF, MP4/QT and OGG at this point.

Looking at http://www.exif.org/Exif2-2.PDF I don't see anything
particularly relevant.  I understand that camera manufacturers define
"Exif extensions" all the time, but I can't find any good reference.
Anyone know of a guide to defining Exif extensions?  Other suggestions?

-- 
  Mike Linksvayer
  http://creativecommons.org/about/people#21