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B. Mitchell Loebel

2009-Jun-21 08:33 UTC

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

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Hello Jean Marc:<br><br>
Please see the email I just sent to David. I came to the same conclusion
that you expressed below. The MSP430xx does have a MAC, but no compute
pipeline.<br><br>
<br>
At 05:02 PM 6/20/2009, Jean-Marc Valin wrote:<br><br>
<br>
<blockquote type=cite class=cite cite="">David Feldman a écrit
:<br>> Interested in building a speex codec (basically audio <->
speex <-> data<br>> stream) using TI's small MSP430 microcontroller. Is there any way
to<br>> estimate feasibility based on CPU requirements? Example - speex is
happily<br>> encoding on an old Pentium-1 processor (166 MHz) using about half
the CPU<br>> (as reported under Linux); the TI microcontrollers are much slower
yet<br>> (8-16-25 MHz)&nbsp; and there wouldn't be an OS per se - just
"to the bare<br>> metal" - so not sure this is even feasible...<br><br>Unless it has a very fast MAC unit (which I doubt), a 25 MHz<br>
microcontroller is not enough to run Speex.<br><br>
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Jean-Marc<br>
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B. Mitchell
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