[Pd] Other synthesis methods

daniel kosenko zvuk at linuxmail.org
Fri Feb 24 23:30:17 CET 2006


hey 

percolate and more >>> http://ccrma.stanford.edu/planetccrma/software/pdworld.html

regards
daniel .

> ----- Original Message -----
> From: cyborgk at nocturnalnoize.com
> To: "Chuckk Hubbard" <badmuthahubbard at gmail.com>
> Subject: Re: [Pd] Other synthesis methods
> Date: Fri, 24 Feb 2006 10:43:53 -0800 (PST)
> 
> 
> Too bad there's no PERCOLATE for pd any more... Strange cus it is still
> around for Max, wonder if anybody could ever report it?
> 
> You could always use something like C-Sound with the pd external, or use
> OSC to control something like SuperCollider...
> 
> What style is it that your compositions are in?
> 
> !~David
> 
> > I forgot to mention that absolute control of pitch is essential.  I need
> > to
> > tell it what frequency the fundamental sounding pitch is.  Naturally I
> > want
> > complicated waveforms, but FM and (I've just discovered) hardsyncing don't
> > work...
> >
> >
> >
> > On 2/20/06, Christopher Charles <schraubzwingenhalterung at web.de> wrote:
> >>
> >> Chuckk Hubbard wrote:
> >> > Hi.
> >> > My Pure Data Just Intonation sequencing program is up and running, and
> >> > I'm in the process of making music with it for a dance/music ensemble
> >> > at my school.  The problem is everyone says it sounds like Mario.  I
> >> > tried making a granulator, and it sounded good but used so much CPU I
> >> > couldn't incorporate it into my sequencer.
> >> > What I do have is 16 harmonics, filtered noise, a bp/lp/hp selector
> >> > with cutoff and Q control, and adsr sliders.  I have 8 copies of this,
> >> > each of which only runs when it is changed, and writes its results to
> >> > a graph, which the sequencer reads.  Thus it is also possible to draw
> >> > the waveform with the mouse, which I've found can make it a little
> >> > less predictable.  But too much of that makes it inharmonic, and even
> >> > so it still sounds very 80's.  I'd like the freedom to work in more
> >> > sophisticated synthesis.
> >> > What can I do?
> >> there are various other ways to shape synthetic sounds, particularly as
> >> a part in a subtractive synth: have a look at frequency modulation,
> >> amplitude/ring modulation, oscillator hardsyncing (resetting the phase
> >> of an oscillator by another oscillator), or pulsewidth modulation. you
> >> can create very interesting sounds if you gently combine these methods,
> >> for example feeding a hardsynced oscillator output as a frequency
> >> modulator into it's own sync source... something that works good on more
> >> complex signals than sinewaves is having a signal delayed by a (maybe
> >> amplified, dc'd and shaped) form of itself (having the signal as a
> >> source for the delay length of a vd~). be sure to check if lfos and
> >> (adsr-)envelopes applied in any part of your construction (modulation
> >> depths, frequency microtunings, filter cutoffs, pulsewidths, etc.) can
> >> do any good. with such techniques, your synths won't sound like mario,
> >> but more like luigi or princess toadstool.
> >> another approach might be simple physical modeling: you can create a
> >> plucked string which sounds crappy in the bass region but fairly
> >> harp-ish in the upper octaves by sending a short, single triangle- (or
> >> whatever-) shaped impulse into a feedback loop the length of the note
> >> frequency^-1. with a slight lowpass applied on each iteration the signal
> >> will warmly fade out.
> >> just ask if you have any questions about implementing these techniques.
> >>
> >> some synthesis links ->
> >> http://www.theprojectstudiohandbook.com/articles17.htm
> >>
> >> mfg
> >> charlie
> >>
> >
> >
> >
> > --
> > "It is not when truth is dirty, but when it is shallow, that the lover of
> > knowledge is reluctant to step into its waters."
> > -Friedrich Nietzsche, "Thus Spoke Zarathustra"
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> 
> 
> 
> 
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