Re: [Linphone-developers] PATCH: LPC10 payload

[Simon Morlat]

Hi Nicholas,

Thanks for the clarification. The new patch seems no more availlable on the 
web page you indicate. Can you re-send me ?

Simon

Le Monday 25 June 2007 17:09:40 Nicholas J Humfrey, vous avez écrit :
> RFC1890 says:
>
> 4.4.1 1016 (the now retired AV profile PayloadType 1)
>
>     Encoding 1016 is a frame based encoding using code-excited linear
>     prediction (CELP) and is specified in Federal Standard FED-STD 1016
>     [2,3,4,5].
>
>     The U. S. DoD's Federal-Standard-1016 based 4800 bps code excited
>     linear prediction voice coder version 3.2 (CELP 3.2) Fortran and C
>     simulation source codes are available for worldwide distribution at
>     no charge (on DOS diskettes, but configured to compile on Sun SPARC
>     stations) from: Bob Fenichel, National Communications System,
>     Washington, D.C. 20305, phone +1-703-692-2124, fax +1-703-746-4960.
>
>
> 4.4.9 LPC (AV profile PayloadType 7)
>
>     LPC designates an experimental linear predictive encoding
> contributed
>     by Ron Frederick, Xerox PARC, which is based on an implementation
>     written by Ron Zuckerman, Motorola, posted to the Usenet group
>     comp.dsp on June 26, 1992.
>
>     A implementation is available here:
>     ftp://parcftp.xerox.com/pub/net-research/lpc.tar.Z
>
>
> I think I was mistaken in calling it LPC10. New patch here:
> http://www.ecs.soton.ac.uk/njh/tmp/ortp-lpc.patch
>
> I have been testing interoperability against RAT and QuickTime.
>
>
> nick.
>
> On 25 Jun 2007, at 15:09, Simon Morlat wrote:
> > Hi,
> >
> > Are LPC10 and the lpc1015 really different or are they the same ?
> > I known RFC3551 refers to a lpc1016...
> >
> > Simon
> >
> > Le Wednesday 20 June 2007 17:44:22 Nicholas J Humfrey, vous avez
> >
> > écrit :
> >> Hi,
> >>
> >> Here is a patch against CVS which adds LPC10 payload support (static
> >> payload ID 7).
> >>
> >> http://www.ecs.soton.ac.uk/~njh/tmp/ortp-lpc10.patch
> >>
> >>
> >> nick.
> >>
> >>
> >>
> >> _______________________________________________
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> >> address@hidden
> >> http://lists.nongnu.org/mailman/listinfo/linphone-developers