Is this for a 40ms audo frame? If so, that would mean 87,5% to 100% usage,
which would mean that it may be possible to operate on a single
microcontroller (including maybe a second one for other tasks, or maybe
even not, if one could operate the other peripherals on DMA). That would be
sweet!
2013/5/24 David Rowe <[email protected]>
> It currently uses about 35/40ms for full duplex operation (1 enc & 1
> dec).
>
> On Thu, 2013-05-23 at 22:50 -0300, Ronan Paixão wrote:
> > Thank you a lot! This seems really interesting. Any more stats like
> > performance? Does it work full, half-duplex or simplex?
> >
> >
> >
> > 2013/5/22 Bruce Perens <[email protected]>
> > Very nice. Thank you for working on this.
> >
> > The code from ST Microelectronics is going to need a bit of
> > copyright
> > cleanup, though. They don't seem to have put a proper license
> > on any of
> > it. Most of their files have no license at all, and the
> > default in
> > copyright law is "all rights reserved" so this is a problem.
> > There is
> > one file with a 6-line license that attempts to protect them
> > from
> > liability but never gives anyone the right to copy, use, or
> > create
> > derivative works of the code. Sigh.
> >
> > If we had to, we could just write replacements. Asking them to
> > fix it is
> > possible too.
> >
> > Thanks
> >
> > Bruce
> >
> > On 5/22/2013 6:42 PM, David Rowe wrote:
> > > Hello,
> > >
> > > I have been working on a paid contract to optimise Codec 2
> > for the
> > > STM32F4, using the Discovery board as the test platform.
> > Thank you to
> > > the sponsor who at this stage wishes to remain anonymous.
> > The goal was
> > > to get Codec 2 into real time and verify correct operation
> > on the
> > > STM32F4.
> > >
> > > Over the last 12 months some of you have also worked on
> > Codec 2 for the
> > > Discovery board. I used some of your work to get started.
> > At this
> > > stage I should really go back to your work and see what else
> > can be
> > > done. Or please post here with ideas/patches.
> > >
> > > There is a README in codec2-dev/stm32 that explains how to
> > get started.
> > > There is no audio I/O at this stage - just file I/O using a
> > stdio
> > > library I wrote to support this work.
> > >
> > >
> >
> https://freetel.svn.sourceforge.net/svnroot/freetel/codec2-dev/stm32
> > >
> > > Cheers,
> > >
> > > David
> > >
> > >
> > >
> > >
> >
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