[PD] spectral mapping, anyone?

[Alexandre Torres Porres]

haven't tried this warp thing, but will definately try it when I get the
chance

thanks!


2013/11/26 Eran Sachs <eransachs at hotmail.com>

> Peiman,
> It works great! I've been messing various sounds all day now, plus there's
> a thing in my computer with Barry Vercoe's name on it which I find oddly
> elevating.
> However, if I understand the wrap function correctly, it substitutes bin
> values for values of other bins through whatever function you apply. But
> the bins are still all derived from the FFT procedure. Or am I missing
> something there?
>
> What I would like to do is to move from bins to partials, so that they are
> essentially mapped to harmonic overtones of a given fundamental according
> to nearest match. Like a clever phase-vocoder Autotune of some kind.
>
> Is there a way to do that, to the best of anyone's knowledge?
>
> Much obliged,
> E.
> ------------------------------
> Date: Mon, 25 Nov 2013 15:12:50 +0000
>
> Subject: Re: [PD] spectral mapping, anyone?
> From: peimankhosravi at gmail.com
> To: eransachs at hotmail.com
> CC: porres at gmail.com; jaime.oliver2 at gmail.com; pd-list at iem.at
>
> yes csound6 should work on windows too as far as I know.
>
>
>
>
> *www.peimankhosravi.co.uk <http://www.peimankhosravi.co.uk> || RSS Feed
> <http://peimankhosravi.co.uk/miscposts.rss> || Concert News
> <http://spectralkimia.wordpress.com/>*
>
>
> On 24 November 2013 22:06, Eran Sachs <eransachs at hotmail.com> wrote:
>
> Thanks Peiman.
> Alas, I'm living the life of a PC/Windows user. AFAICT, no csound6?
> Z
>
> ------------------------------
> Date: Sun, 24 Nov 2013 20:27:39 +0000
>
> Subject: Re: [PD] spectral mapping, anyone?
> From: peimankhosravi at gmail.com
> To: eransachs at hotmail.com
> CC: porres at gmail.com; jaime.oliver2 at gmail.com; pd-list at iem.at
>
>
> With spectral warping you can do any frequency-based manipulation,
> depending on the transfer function. I have one for pd but it requires
> Csound to be installed and a couple of other externals. See attached. On an
> intel mac and with pd vanilla 4.5.3/4 this should just work out of the box
> as long as you have csound 6 installed.
>
> P
>
>
>
>
>
>
> *www.peimankhosravi.co.uk <http://www.peimankhosravi.co.uk> || RSS Feed
> <http://peimankhosravi.co.uk/miscposts.rss> || Concert News
> <http://spectralkimia.wordpress.com/>*
>
>
> On 24 November 2013 20:12, Eran Sachs <eransachs at hotmail.com> wrote:
>
> oops, I messed up the names. sorry. Once more, with feeling:
>
> Josep,
> Making harmonic sounds sound inharmonic can be down with spectral
> shifting. Try looking at Hilbert~ or at spec2_shift~ on extended.
>
> But Alexandre, I'd also would be interested in stuff that can manipulate
> the spectrum.
> I also made a little graphic control to all the cross-synthesis objects in
> FFTease. if anyone is interested I can post.
>
> A few years ago I tried to replicate the technique that Trevor Wishart
> refers to as "Spectral Focusing", namely - one that moves the other way -
> from inharmonic to harmonic sonds, by moving from bins to partials (a
> little like FFTease's pvtune~, but moving bins to nearest matching partial
> ).
>
> I'm still looking for such an object. Does anyone have any suggestions?
>
> Zax.
>
> ------------------------------
> From: eransachs at hotmail.com
> To: porres at gmail.com; jaime.oliver2 at gmail.com
> Date: Sun, 24 Nov 2013 21:58:50 +0200
>
> CC: pd-list at iem.at
> Subject: Re: [PD] spectral mapping, anyone?
>
> Alexandre,
> Making harmonic sounds sound inharmonic can be down with spectral
> shifting. Try looking at Hilbert~ or at spec2_shift~ on extended.
>
> But Jaime, I'd also would be interested in that.
> A few years ago I tried to replicate the technique that Trevor Wishart
> refers to as "Spectral Focusing", namely - one that moves the other way -
> from inharmonic to harmonic sonds, by moving from bins to partials (a
> little like FFTease's pvtune~, but moving bins to nearest matching partial
> ).
>
> I'm still looking for such an object. Does anyone have any suggestions?
>
> Zax.
>
>
> ------------------------------
> Date: Sun, 24 Nov 2013 01:05:29 -0200
> From: porres at gmail.com
> To: jaime.oliver2 at gmail.com
> CC: pd-list at iem.at
> Subject: Re: [PD] spectral mapping, anyone?
>
> Hi, I'm Alexandre, I can send you stuff
>
> cheers
>
>
> 2013/11/11 Jaime E Oliver <jaime.oliver2 at gmail.com>
>
> These are older, but I understand E. Lyon might re-release them?
>
> http://www.somasa.qub.ac.uk/~elyon/LyonSoftware/MaxMSP/FFTease/
>
> J
>
>
>
> On Nov 11, 2013, at 7:23 AM, Jeppi Jeppi <jeppiot at hotmail.com> wrote:
>
> Hi,
> just looking for some ready to be used spectral mapping effects
> implemented in pd, anything available?
> Specifically, just a way to slightly remap harmonics to make pitched
> sounds inharmonic.
> There is a paper by Alexandre
> http://www.uni-weimar.de/medien/wiki/images/Dissonance_Model_Toolbox_in_Pure_Data.pdf but
> I couldn't find the link to the sources.
>
>
> Many thanks in advance!
> Josep m
>
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