[PD] reverse delay for live signal processing?

Derek Holzer derek at umatic.nl
Tue Dec 26 20:39:41 CET 2006


Hi Kevin,

I suppose you've seen this already?

http://essej.net/sooperlooper/

Please keep me up on what you develop and maybe we can merge 
functionality later on.

best,
d.

Kevin McCoy wrote:
> Derek,
> 
> Thanks for the patch - looks good.  I'm also looking to do overdubs.  
> The pitch shift and granulation are nice features that I think I will 
> add into mine as well (by the way, I learned a lot from your particle 
> chamber patch - thanks for that).  I'm also thinking of setting up a 
> bank of filenames to save/load loops.  I will add a GUI and link to the 
> patch when I get close to a working version.
> 
> Kevin
> 
> On 12/26/06, *Derek Holzer* <derek at umatic.nl <mailto:derek at umatic.nl>> 
> wrote:
> 
>     For usage notes, see:
> 
>     http://lists.puredata.info/pipermail/pd-list/2006-02/035619.html
> 
>     best,
>     d.
> 
>     Derek Holzer wrote:
>      > Hi Kevin,
>      >
>      > I didn't implement reverse here, but it does cover quite a few other
>      > live-looping possibilities (granulation, pitch shift...):
>      >
>      > http://lists.puredata.info/pipermail/pd-list/2006-02/035624.html
>      >
>      > Let me know if it doesn't make sense... some day I'll clean it up for
>      > proper release.
>      >
>      > best,
>      > d.
>      >
>      > Kevin McCoy wrote:
>      >> Hello listy,
>      >>
>      >> A lot of my friends play instruments I would like to process in
>      >> realtime.  I understand that one popular approach is with delay
>      >> objects.  At first I was wondering if there was a special array that
>      >> didn't give dropouts when it was rewritten in realtime.  I don't
>     think
>      >> there is?
>      >>
>      >> But similar things could be accomplished if there was a way to
>     access
>      >> a [delaywrite~] buffer as dynamically as you can an array.  One
>      >> example would be reading the buffer backwards?
>      >>
>      >> I'm eventually looking to build something similar to one of
>     those Boss
>      >> Loopstations where you can overdub, reverse, etc in realtime.
>      >>
>      >> Granted, I know next to nothing about how these things are actually
>      >> coded inside, but I thought I would pose the question and ask
>     for ideas.
>      >>
>      >> Thank you!
>      >> Kevin
>      >>
>      >>
>      >>
>     ------------------------------------------------------------------------
>      >>
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> 
>     --
>     derek holzer ::: http://www.umatic.nl
>     ---Oblique Strategy # 83:
>     "How would someone else do it?"
> 
> 
> 
> 
> -- 
> "[D]aily life [is] a theatrical landscape in which 'everyone has their 
> price,' God (via televangelism) and happiness (smile buttons) become 
> commodities, radio stations say they love you, and detergents have 
> compassion for your hands.

-- 
derek holzer ::: http://www.umatic.nl
---Oblique Strategy # 36:
"Consult other sources
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