[PD] a smooth crossfade for "equal" signals (freezing/unfreezing)

[Alexandre Torres Porres]

maybe the key is a gate thing like [spigot~], but that always harshly cuts
the signal, anyway, even if it's not pertinent here, I wonder if we had
anything smoother than that.

cheers

2011/7/7 Alexandre Torres Porres <porres at gmail.com>

> Hi Pd people, I need help from the masters.
>
> I'm doing a freezing/unfreezing patch, and I'm dealing with cross fading
> into and out of the freeze state.
>
> I'm actually using an oscilator bank that's being fed by sigmund~, it's
> actually freezing just perfectly the way I did, that's the easy part, just
> freeze the oscilators. Now when it unfreezes back, I need a cross fade to
> avoid clicks. So nothing too fancy. And I've done that alright by using
> delay~ to hold on a bit to the past and do the crossfade.
>
> So the thing now is how to crossfade from the frozen signal to the slightly
> delayed frozen copy. This is not actually working that bad, but sometimes it
> is just not 100%, and you can fell a tiny difference. What to do, huh?
>
> it's something like this
>
> osc~
> |\
> | \
> |  delay~
>
> then line~ obects for cross fading
>
> After I freeze I go to the delayed signal, and cross fade back when I
> unfreeze
>
> thanks for any help
> Alex
>
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