[LAD] Embedded linux board

Jens M Andreasen jens.andreasen at comhem.se
Mon Aug 20 17:56:28 UTC 2007


On Mon, 2007-08-20 at 19:24 +0200, Florian Schmidt wrote:

> I think i'll stick with the board i originally posted the link to [even if it 
> doesn't work well enough i have only wasted 50 euros which isn't that much].. 
> I will attach a USB audio interface for testing purposes and if the 
> performance is sufficient for me, i'll look into attaching an audio codec to 
> its ISP bus.
> 
> BTW: i don't need jack to run.. I'm not even sure it can run at all on that 
> board. All i need will be a single application which will feed audio into 
> LADSPA plugins.. Jack would be overkill..
> 

For the sake of sanity, here is the manual for the chip in question.
Note that the floating point co-processor has no divider but on the
other hand has a fast Integer Multply Accumulate with four 72bit
accumulators. Kind of hellish to make sense out of in a standard C
environmenet, but not at all bad for sound processing. Look for chapter
two (pdf page 35):

http://www.cirrus.com/en/pubs/manual/EP9307_Users_Guide.pdf
 
> Regards,
> Flo
> 
-- 




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