> You could do the averaging using analogue components, which would 
> probably simplify the PIC side of things a fair bit.  Have a 
> search for 
> VU meter circuits, that'll give you a rough idea of the sort of thing.

I have been looking around the net for an IC to do the a-law
companding for me but, I havent found anything yet. 

> Optimal solution would depend on whether you find software or 
> analogue 
> electronics more scary ;)

Software is best:) An analog circuit like this is beyond my 
skills at this point. 

Thanks, 
Mike

_______________________________________________
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist