[vorbis] Encoding speed reports (was: Choosing a processor)

[Dan Hollis]

On Mon, 4 Jun 2001, Jack Moffitt wrote:
> > > The better ones are patented to hell by cellphone companies, and
> > > some are probably still classified that hte military is using/used.
> > I don't think LPC-10 is classified... afaik LPC-10 is public domain and
> > the only bits classified about its implementation in the military is how
> > they use it with spread spectrum...
> What's the bitrate?  What's the intellectual property landscape of
> LPC-10?

LPC10 (FIPS 137) is 2400bps, afaik this codec dates back to the 1970's so
surely any patents are long since expired by now.

http://www.plh.af.mil/ddvpc/lpc.htm

Are any FIPS standards allowed to be patent encumbered?
AFAIK they are not, similarly to NIST/AES standards.

There is also MELP:

http://www.plh.af.mil/ddvpc/melp.htm

-Dan

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