[vorbis-dev] ogg pic format ?

[Ralph Giles]

On Sun, 14 Jan 2001, Steve Underwood wrote:

> What is jng? Is that just a slip of the fingers for jpg?

JNG is a subset of MNG, a single-image format combining (well-definedly) 
jpeg-compressed image data with a separate alpha channel and various other
bits of png-niceness.

q.v.  http://libpng.org/pub/mng/
 and  http://libpng.org/pub/mng/spec/draft-jng.html

Hope that helps,
 -ralph

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