great work andy, many thanx for the tutorials. best wishes 2008/1/12 giucant <[EMAIL PROTECTED]>:
> Thanks Andy, great examples! > > Your rain is very close to fire crackle, isn't it? > > Maybe there are other parameters to make difference, > like ambience and pulse tones... > > ciao > j > > --- Andy Farnell <[EMAIL PROTECTED]> ha > scritto: > > > Something new to share for a bit of fun. It's for an > > exercise in the synthetic > > sound design book and it's about causality in sound. > > Some bits are old and maybe > > you've heard them before on my site, but the final > > ensemble is fresh. > > > > The first part is a wind model. It starts with a > > global (world) variable for > > windspeed and adds local gusts according to > > buildings nearby. Then objects are > > placed in the scene like telephone poles, trees and > > rocks. This is a new version > > that works by doing rule of thumb calculations on > > turbulence (critical > > Reynolds number from size and texture) to > > guesstimate the frequency (quasi- > > oscillation from vortex shedding). Thin wires > > whistle with a high sound and big > > buildings groan and wail with a much lower sound. > > > > Okay here's that... > > > > http://www.obiwannabe.co.uk/sounds/effect-wind3.mp3 > > > > Next there's rain > > > > If you're into graphics then the best way of > > thinking about this is as a > > "particle system", or rather it's about statistical > > distributions. Normally > > the rain just falls down in a regular stream and > > makes the sound of whatever > > it hits (usually ground, leaves or puddles of > > water). Noise is treated to > > get a certain distribution and width of clicks in a > > Gabor/Stockhausen sense, > > some things in the scene can be simple resonantors > > driven by the droplets. > > > > > http://www.obiwannabe.co.uk/sounds/effect-plainrain.mp3 > > > > Now, another model in my box of tricks is a window > > pane I've built (from > > Perrys square lamina description... that's a glass > > laminar model made with > > banded waveguides.) > > > > Here's a few knocks on the virtual window with a > > virtual stick. > > > > > http://www.obiwannabe.co.uk/sounds/effect-knockonwindow.mp3 > > > > So I sit here looking out of my real window, and I > > guess artists mimic their > > surroundings, so this sound is an insight into where > > I live. Tonight the rain > > is lashing down and the wind is howling in the trees > > like a typical British > > winter. I thought this would make a good example of > > causality. What if we > > take the wind environment, put the rain particles > > into the wind and add a > > window? Here's what it sounds like inside on a > > stormy day (the wind is > > deliberately modulated in a periodic way to > > accentuate the effect). > > > > > http://www.obiwannabe.co.uk/sounds/effect-rainywindow.mp3 > > > > I hope this gives something interesting about > > potential of procedural > > audio fx with Pd, maybe this isn't the sort of thing > > one can do so easily > > with traditional sound design. > > > > best 2 all, > > andy > > > > --- > > Use the source > > > > _______________________________________________ > > [email protected] mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > > > > ___________________________________ > L'email della prossima generazione? Puoi averla con la nuova Yahoo! Mail: > http://it.docs.yahoo.com/nowyoucan.html > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > -- Pulsações http://betamultimidia.com/brunotarin/ Usuário Linux 456763
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