[Speex-dev] Speex on EFM32

[Nicolas Deparis]

Thanks !

On this forum is also shown this information :
http://lists.xiph.org/pipermail/speex-dev/2009-January/007050.html

According to vk's results, it could be possible to run Speex at 4/6 & 8 kbps
on a Cortex M-3 at 36 MHz ... so not excluding the EFM32 ...

Nico

2010/3/3 Pietro Maggi <studiomaggi at gmail.com>

> On ST forums there is someone that states it has done an optimized
> port of the library that run Speex at 4Kbps (ST port is only 8Kbps).
>
> Take a look here (hoping that the link works):
>
> https://my.st.com/public/STe2ecommunities/mcu/Lists/ARM%20CortexM3%20STM32/Flat.aspx?RootFolder=https%3a%2f%2fmy%2est%2ecom%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fARM%20CortexM3%20STM32%2fSTM32%20Now%20Speaks%20%21%20with%20Speex%20Codec&FolderCTID=0x01200200770978C69A1141439FE559EB459D758000626BE2B829C32145B9EB5739142DC17E&currentviews=2159
>
> regards
> Pietro
>
> On Wed, Mar 3, 2010 at 3:54 PM, Nicolas Deparis
> <nicolasdeparis.boulot at gmail.com> wrote:
> > In fact, on my shelf is running speex using Raisonance Primer2 DK and IAR
> > STM32-SK DK.
> > But I want to save the power consumption of the device runnig speex, and
> > EFM32 seems to be a very good candidate.
> > Also, do yo think that the STM32F103 (Cortex M3 90 MIPS) could be used to
> > run Speex at 4 Kbps in real time?
> > Regards,
> >
> > Nicolas
> >
> > 2010/3/3 Jean-Marc Valin <jean-marc.valin at usherbrooke.ca>
> >>
> >> You might want to have a look at Speex port from ST Micro. Don't have
> the
> >> link, but I think it was posted on the mailing list a few months ago
> (see
> >> archive). As far as I can tell, your chip is around the limit (don't
> know
> >> which side) of what Speex can run on.
> >>
> >>        Jean-Marc
> >>
> >> On 2010-03-02 12:48, Nicolas Deparis wrote:
> >>>
> >>> Hi,
> >>> Do you think that Speex could run in real time on the new EFM32
> >>> ultra-low consumption Cortex-M3 MCU (180 渙/MHz) (NB 8KHz - Quality 4 -
> >>> complexity 1 / same as STM32F103 Speex lib.) ?
> >>> Its max speed is 32 MHz (about 40 MIPs).
> >>> Thanks.
> >>> Regards,
> >>> Nicolas
> >>>
> >>>
> >>>
> >>> _______________________________________________
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> >>> Speex-dev at xiph.org
> >>> http://lists.xiph.org/mailman/listinfo/speex-dev
> >
> >
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> >
> >
>
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