[Speex-dev] Speex for TI MSP430 microcontroller - estimating CPU speed requirements?

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Sat Jun 20 17:02:41 PDT 2009

David Feldman a écrit :
> Interested in building a speex codec (basically audio <-> speex <-> data
> stream) using TI's small MSP430 microcontroller. Is there any way to
> estimate feasibility based on CPU requirements? Example - speex is happily
> encoding on an old Pentium-1 processor (166 MHz) using about half the CPU
> (as reported under Linux); the TI microcontrollers are much slower yet
> (8-16-25 MHz)  and there wouldn't be an OS per se - just "to the bare
> metal" - so not sure this is even feasible...

Unless it has a very fast MAC unit (which I doubt), a 25 MHz
microcontroller is not enough to run Speex.


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