[sdiy] Micro as a Linear to Exponential converter?

[Neil Johnson]

Hi,

Antti Huovilainen wrote:
> You can easily reuse the same single octave. Just realize that when  
> going down by an octave the frequency is halved -> shift the value  
> right by one bit. It's important to store the highest octave and go  
> down from that to keep the precision up (if you start from bottom  
> octave you will have lower effective resolution in higher octaves).

Yes, did this way back in 1996 for my MSc project (the report with  
full source code is still online). Since you only need one octave's  
worth of values you can increase the resolution and still fit into a  
reasonable space.  IIRC I chose 32 steps per semitone.

Neil
--
http://www.njohnson.co.uk