[speex-dev] Fixed-point update

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Sun Sep 28 21:08:01 PDT 2003

Just one thing I forgot to say: you need to add -DFIXED_POINT to the
compile options.


Le dim 28/09/2003 à 19:30, Jean-Marc Valin a écrit :
> Hi,
> Now that Speex is getting pretty stable, I have decided to make a
> fixed-point/integer port the #1 priority. At this point, I'm looking for
> help from people with prior fixed-point experience and/or a good signal
> processing background. Anyone would like to volunteer?
> I have already started the port by converting to int some of the most
> used functions. While this should only have a small effect on the
> encoder, I would expect the decoder to run much faster on processors
> that don't have an FPU (e.g. ARM-based PDA). Can anyone with an iPaq (or
> similar hardware) confirm that? The code is available here:
> http://www.speex.org/misc/speex-1.1-int.tar.gz
> Note that there is still lots of work to do before Speex is entirely
> converted to fixed-point.
> 	Jean-Marc

Jean-Marc Valin, M.Sc.A., ing. jr.
LABORIUS (http://www.gel.usherb.ca/laborius)
Université de Sherbrooke, Québec, Canada

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