any tips on fart synthesis?

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Claude Heiland-Allen

1 Feb 2008 1 Feb '08

2:16 p.m.

Hi all,

Anyone got any advice on how to make sounds similar to the basses in this excerpt from Nightwalker - Rolling Through [NWR005]?

http://claudiusmaximus.goto10.org/files/temp/fartstep.ogg (80kB)

Really stinky wet fart noises.

Thanks,

Claude

http://claudiusmaximus.goto10.org

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Andy Farnell

1 Feb 1 Feb

4:13 p.m.

Ring modulation! (\cymbal splash)

Quasi-periodic clusters of unidirectional parabolic pulses with a cylindrical formant having having a center frequency inversely proportional to peak pulse amplitude. Narrowing the pulse width and increasing the cluster density adds more juicyness.

Subverting the VOSIM algorithm should yield some results.

(seriously) - actually farts are very complex and a bit difficult to synthesise accurately.

Dr Boff Ripper Ass. Professor of Fartology, Dept. of Trouser Coughs British University of Methane Supply

On Fri, 01 Feb 2008 13:16:20 +0000 Claude Heiland-Allen claudiusmaximus@goto10.org wrote:

...

Hi all,

Anyone got any advice on how to make sounds similar to the basses in this excerpt from Nightwalker - Rolling Through [NWR005]?

http://claudiusmaximus.goto10.org/files/temp/fartstep.ogg (80kB)

Really stinky wet fart noises.

Thanks,

Claude

http://claudiusmaximus.goto10.org

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

-- Use the source

hard off

4:41 p.m.

my guess...

for the wave generation, use a buzzy sawtooth (or maybe square wave?) and modify the pitch of the oscillator with an envelope.

then,

use a 'wetfilter'

it's basically a spectrum of bandpass filters each attached to a delay line. the lower frequencies have a shorter delay and then the higher frequencies get delayed more and more. (or it might be the other way round,,,,lower freq's delayed more, higher freq's delayed less...i can't remember exactly)

Andy Farnell

5:56 p.m.

Try adding more cabbage and beans to this.

-- Use the source

marius schebella

2 Feb 2 Feb

11:39 a.m.

did you try to sample what it sounds like? I got similar sounds also from recordings in a wash basin using empty plastic bottles or hands, or mouth sounds (like trumpet blowing, but under water). or really try to rebuilt it synthetically, probably two amplitude modulated waveshaped signals. would be nice to see synthetic solutions for it. marius.

Claude Heiland-Allen wrote:

...

Hi all,

Anyone got any advice on how to make sounds similar to the basses in this excerpt from Nightwalker - Rolling Through [NWR005]?

http://claudiusmaximus.goto10.org/files/temp/fartstep.ogg (80kB)

Really stinky wet fart noises.

Thanks,

Claude

Chuckk Hubbard

5 Feb 5 Feb

1:05 p.m.

I think physical modeling might hold some answers. And as always, lots of research can't but help: http://en.wikipedia.org/wiki/Flatulence

Lots of things to consider there.

-Chuckk

On Feb 1, 2008 3:16 PM, Claude Heiland-Allen claudiusmaximus@goto10.org wrote:

...

Hi all,

Anyone got any advice on how to make sounds similar to the basses in this excerpt from Nightwalker - Rolling Through [NWR005]?

http://claudiusmaximus.goto10.org/files/temp/fartstep.ogg (80kB)

Really stinky wet fart noises.

Thanks,

Claude

http://claudiusmaximus.goto10.org

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

-- http://www.badmuthahubbard.com

Olivier Heinry

2:01 p.m.

Le Tue, 5 Feb 2008 14:05:51 +0200, "Chuckk Hubbard" badmuthahubbard@gmail.com a écrit :

...

I think physical modeling might hold some answers. And as always, lots of research can't but help: http://en.wikipedia.org/wiki/Flatulence

Here is a kind of artistic modeling: http://www.incipitblog.com/index.php/2005/08/01/serge-gainsbourg-evguenie-so...

you better listen to the MP3 than smell it!

...

Lots of things to consider there.

-Chuckk

On Feb 1, 2008 3:16 PM, Claude Heiland-Allen claudiusmaximus@goto10.org wrote:

...
Hi all,

Anyone got any advice on how to make sounds similar to the basses in this excerpt from Nightwalker - Rolling Through [NWR005]?

http://claudiusmaximus.goto10.org/files/temp/fartstep.ogg (80kB)

Really stinky wet fart noises.

Thanks,

Claude

http://claudiusmaximus.goto10.org

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

Frank Barknecht

6:56 p.m.

Hallo, Chuckk Hubbard hat gesagt: // Chuckk Hubbard wrote:

...

I think physical modeling might hold some answers. And as always, lots of research can't but help: http://en.wikipedia.org/wiki/Flatulence

Lots of things to consider there.

... among these especially the amazing flatulist Le PÃ©tomane/Joseph Pujol: http://en.wikipedia.org/wiki/Le_P%C3%A9tomane He was a huge star in his time and some even believe, part of Sigmund Freud's theories was influenced by Freud seeing (hearing, smelling?) Le PÃ©tomane's performances.

Le Grande Le PÃ©tomane was a great synthesizer himself, who besides various instruments like the tuba also managed to bringe the great San Francisco earthquake of 1906 to life again using his behind!

Ciao

Frank Barknecht _ ______footils.org__

Ypatios Grigoriadis

5:59 p.m.

Hello!

Here is another fine example, featuring pitch control.

http://www.fileden.com/files/2008/2/5/1741776/XmasJingle.mp3

alabala

-- Ypatios.

Phil Stone

6:08 p.m.

Oh man, that brought tears to my eyes (as I'm sure a live performance would also do)!

Phil pkstonemusic.com

Ypatios Grigoriadis wrote:

...

Hello!

Here is another fine example, featuring pitch control.

http://www.fileden.com/files/2008/2/5/1741776/XmasJingle.mp3

alabala

-- Ypatios.

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

hard off

6:47 p.m.

aaahh!! that last one is so wrong! i can't stop laughing.

Andy Farnell

7:34 p.m.

LMAO, the squits at the end are hilarious.

Okay, good waveform to analyse in that mp3

So, going at it literally...

Quartic rise, underdamped resonance on top of a linear return on the negative half-cycle.

Faking the resonance with a cosine at a+N * Fc and making N a function of amplitude.

Try messing with the offset A for more wetness.

On Tue, 05 Feb 2008 09:08:31 -0800 Phil Stone pkstone@ucdavis.edu wrote:

...

Oh man, that brought tears to my eyes (as I'm sure a live performance would also do)!

Phil pkstonemusic.com

Ypatios Grigoriadis wrote:

...
Hello!

Here is another fine example, featuring pitch control.

http://www.fileden.com/files/2008/2/5/1741776/XmasJingle.mp3

alabala

-- Ypatios.

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

-- Use the source

Chuckk Hubbard

9 Feb 9 Feb

1:18 a.m.

I wonder, would a bandpass help to get a good duck sound? I mean the crying baby fart, like "wwwwwaa!". I hear a few good ones in there. I'm guessing that, as the abdominal muscles tighten, more pressure is applied to the sphincter, causing it to relax and generate a lower tone. But at the same time it sounds like there's a formant getting higher, to go from "oo" as in "spoon" to "a" as in "bad".

-Chuckk

On Feb 5, 2008 6:59 PM, Ypatios Grigoriadis ypatios@gmail.com wrote:

...

Hello!

Here is another fine example, featuring pitch control.

http://www.fileden.com/files/2008/2/5/1741776/XmasJingle.mp3

alabala

-- Ypatios. _______________________________________________ PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

-- http://www.badmuthahubbard.com

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participants (9)

Andy Farnell
Chuckk Hubbard
Claude Heiland-Allen
Frank Barknecht
hard off
marius schebella
Olivier Heinry
Phil Stone
Ypatios Grigoriadis