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Electricity / Sparks / Arc Welder Sound Synthesis
MUFF WIGGLER Forum Index -> Production Techniques  
Author Electricity / Sparks / Arc Welder Sound Synthesis
???
Hi!

I tried to record sparks from cut wires. I got shocked and thought that it might not be safe. I'm looking for cues to synthesize those sounds. I would like to get something that sound like gigantic wires sparking 100000000000000V.

Any ideas where to start?
wsy
??? wrote:
Hi!

I tried to record sparks from cut wires. I got shocked and thought that it might not be safe. I'm looking for cues to synthesize those sounds. I would like to get something that sound like gigantic wires sparking 100000000000000V.

Any ideas where to start?


Well, for a big arc welder, you've got a 60 Hz wave that's mostly clipped off and
lowpass filtered (that's the power supply; use 50 Hz if you're in Europe. smile ), plus
a crackling "frying bacon" sound that's the sound of the electrode melting and the
droplets actually shorting the arc several tens of times per second.

Then add some resonances at unrelated frequencies, to map out where the parts
of what you're welding get stimulated into oscillation.

That's where I'd start...

- Bill
Dcramer
Osc sync and or wave folding across the right sweet spots can do it.
???
Thanks for the cues!!! Ok I got a fairly realistic noisy / buzzy electrical background with little sparks going on and moving around. Think huge unstable tranformers in an underground facility.

Now I need the "sparks" but I don't know if this can be synthesized... I'd like to be able to make something close to this sound, but more variations of it:

http://freesound.org/people/Connum/sounds/11709/

I'll post the result later!

w00t
scozbor
??? wrote:

I got shocked and thought that it might not be safe.


You seem to have left out the most interesting part of the story lol
sygor
If you wanna cheat and use recordings, this looks like a good set.

Tonsturm Electricity

I haven't actually got it myself, I'm waiting for a suitable project so I can justify buying it!
Liddlepud
It was a while ago but if I remember correctly I got good electrical sparking sounds by running a saw wave into a HP filter and then modulating the cut off frequency of the filter with noise. I ran that into a VCA which was controlled by an envelope from Maths. The envelope was triggered from a random output of the A-149-2 Digital Random Voltages. I also sent a random voltage from the A-149-1 Quantized/Stored Random Voltages into the decay control input on the maths envelope. It didn't have the same initial thwack that you get when you're arc welding but it got close enough for me and you don't get arc-eye.
Raytracer
Here's my attempt:
[s]https://soundcloud.com/very-angry-mobster/electricity[/s]
Hainbach
I made this patch for Aalto a year back and recorded it for this thread:

http://soundcloud.com/hainbach/high-voltage-synthesis-experiment-with- aalto

Maybe not very realistic but dramatic.
screaming goo yo
Kent
Tesla Coils, baby. Tesla Coils.








???
Heyhey nice!

Here are two attempts, one using only the modular and one with massive. It's not really an arc welder, but it sound like electricity...

https://soundcloud.com/faderunner/electricity

It's hard to make something realistic, but I'm pretty happy with the massive patch Guinness ftw!
mikehenry147
You can get help about it from here
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