[Speex-dev] c55x dsp

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Fri Mar 18 07:33:49 PST 2005

> am trying speex on TI c54x dsp.  does anyone has any idea whether
> we can make both the coder AND decoder run in about 10ms for a 20ms
> frame for this dsp, looking at narrowband, no VAD/CNG/VBR, using 
> a low complexity, say 1, for a midrange bitrate, say 15kbps?

I have no timing info for the c54x, but I can tell you that the least
complex mode is the 6 kbps, followed by 8 kbps and 15 kbps.

> oh yes, just downloaded the latest revision, rev 9080
> i think  line 472 lsp.c
>         else if (xout1 + xout2 < -SHL(32766,8))
> should read
>         else if (xout1 + xout2 < -SHL(32768,8))

No, it should read SHL(32766,8).


Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Université de Sherbrooke

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