[sdiy] Companders

[KA4HJH]

>Another route, would be two longer delays in parallel. Modulate one with
>respect
>to the other. The benefit would be through zero possibilities, the downside a
>longer delay will be added to the signal, bad for feedback.

It seems to me that a compromise approach would be to use a short, fixed
delay that's about the same as the minimum delay of the variable delay
line. That way you minimize the latency and can still sweep all the way to
zero. I'm not sure that going all the way to zero is even desirable since
the comb filtering will go out of the AF range. How short a delay is
actually useful for audio?
-- 

Terry Bowman, KA4HJH
"The Mac Doctor"