AVR-Chat

Paul Maddox wrote:
> Russell,
> 
>>But that's still not answering the Q;)
> 
> hehe, fair point.
> 
>>If you're doing unneccessary averaging or something, you could do it once
>>every 10th time around the superloop or whatever. I do a ton of realtime
>>dsp control stuff with floating point on an at90s8535.
> 
> its for a synthesiser, and as such I need to do a fair bit of exponential
> maths to get frequencies, generate envelopes and so on, this is where I
> think the slow down is.
> I've done what I can to reduce this by updating somethings less often than
> others, but I can't do much less without the effects being obvious to the
> ear.

Because it's a musical thing, it would be hard to make shortcuts.

An alesis dsp would be a good peripheral for that: http://www.alesis-semi.com/products.htm