Regarding reverbs, one classic element is the Schroeder allpass:  You
can use it to smear a signal without any constructive or destructive
interference.  Generally speaking this lack of "color" is a disadvantage,
but for your application it's probably very desirable.

Another observation:

It works well on simple signals
> but on something not perfectly periodic like a guitar chord it always
> has the rhythmic noise of a poor loop.

It's generally easier to recognize artifacts when they repeat at regular
intervals.  If you're taking the granular approach, I suggest randomizing
as much as possible.  If you want to avoid interference between the grains,
try to synchronize them based on a cross-correlation

– Evan Balster
creator of imitone <>

On Fri, Sep 16, 2016 at 12:30 PM, Spencer Jackson <>

> On Fri, Sep 16, 2016 at 11:24 AM, gm <> wrote:
> > Did you consider a reverb or an FFT time stretch algorithm?
> >
> I haven't looked into an FFT algorithm. I'll have to read up on that,
> but what do you mean with reverb? Would you feed the loop into a
> reverb or apply some reverberant filter before looping?
> Thanks,
> _Spencer
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