[Theora] troll or truth ?

Ole Tange tange at tange.dk
Tue Mar 22 14:43:31 PST 2005

On Tue, 22 Mar 2005, Markus Meyer wrote:

> Ole Tange schrieb:
> >So the quote: "Virtually every single patented algorithm used in mpeg*
> >codecs is also used in theora." is correct.
> Yes, but that's about the only quote from that mail that's correct.

On Tue, 22 Mar 2005, Ralph Giles wrote:

> It is not correct. If this were the case we could not claim theora was 
> freely implementable, and there would indeed be no point to the project.

So?! What is it? Would it be possible to construct an answer that both you
and Richard Felker III <dalias at aerifal.cx> can agree on?

> No, as Maik stated, there are no known patent claims on theora beyond
> the ones On2 has already granted a license on. Theora very carefully
> does things differently from the mpeg video codecs, just as vorbis does
> things differently from the audio codecs.

It would be interesting if Richard could point to a couple of patents that
he believes Theora infringes - even if the patents are stupid.

> On2 is not a member of the MPEG consortium and has no patents listed in
> the MPEG LA licensing pool. The fact that they continue to do business
> selling competing video compression technology is good evidence that the
> holders of the MPEG video patents agree with this assessment.

So because MPEG-LA do not go after On2 (who make money of the same
technology) we assume that their case is weak/non-existent?

See the Patented Word Processor

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