[PD] breath synthesizer

Thomas Grill gr at grrrr.org
Tue Jul 10 11:31:44 CEST 2007

And if you really want to go into details, beyond PD, you could try PRAAT.

greetings, Thomas

Andy Farnell schrieb:
> Breathing could be as easy as pushing a bit of
> rising and falling noise through some parallel
> bandpass filters. 
> To model the human vocal tract, mouth and lungs, and
> the air pressure at all places inside is the tricky
> bit to make it sound convincing. Is it for singing
> or a synthesised instrument like flute?.. because for 
> playing an instrument there is forced breathing where
> the lips are more closed and that needs a slightly 
> different model. Open breathing is more related to
> singing synthesis, two deep sources to mine are this thesis
> http://www.cs.princeton.edu/~prc/SingingSynth.html
> and this one 
> http://web.media.mit.edu/~moo/thesis/YEK_thesis.pdf
> What you probably are *not* interested in are
> fof, paf, vosim type methods, which are more
> for voiced sounds. One that would be good
> for breathing is vocoder (filter bank).
> If you have a good tract model it's gonna be good for
> breathing, replace the voiced oscillator with different
> kinds of noise. There's a pvoc example in the Pd help files.
> Take snapshots for "oooh" and "aah" formants and try those
> filters with noise. To make it efficient crossfading
> between a few fixed filters might be okay. I haven't researched
> it much further, but you'd suppose different forces are at
> work breathing in and out, so they will be different sounds
> with different noise/pressure curves.
> On Tue, 10 Jul 2007 01:13:40 +0200
> "alexandre r. decoupigny" <alex.decoupigny at gmail.com> wrote:
>> hello there...
>> i want to build a patch that synthesizes
>> the sound of breathing.. i know some pd
>> and some synthesis.. any idea where and
>> how to start ?
>> best
>> alexandre
>> -- 
>> alexandre r. decoupigny
>> www.listeningart.blogspot.com
>> www.myspace.com/alexandredecoupigny
>> Adore Apples. Love Green Apples.
>> http://www.greenpeace.org/apple/

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