turning a tremolo into a stuttering pedal?

Started by bryantabuteau, October 07, 2005, 12:50:55 AM

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bryantabuteau

I've decided I need something that emulates me flicking my pickup selector on and off rapidly to get a stuttering effect.    I've got an anderton tremolo built that I don't use because i just can't get it to sound like my twins tremolo.   I assume the anderton tremolo is basically generating a sine type response for it s LFO to achieve the tremolo function.  So would i be correct in assuming if I can get a nice square wave from the LFO I can get a nice on/off quick stutter?  It would sorta be cool to use with high gain/sustain and tweaking the speed knob while playing or maybe even connecting a foot-peda speedl controller.  Add a momentary mute switch to it, and it would be kinda cool for noise making purposes.  Maybe with a 'total sonic annihilation' type feedback loop to it, it could do even weirder things

Now, has anybody built something like this (variable stutter) before?  links?
Would it be easier to make from scratch rather than mod my anderton tremolo? 

any extra ideas that would be kinda cool to include?

SonicVI

Have a look at the Tremulus Lune at commonsound.net  or Tonepad.com. It can do pretty much any tremolo sound you could want and there are lots of mods for the basic circuit.

R.G.

You could start with the "Variable Stuttering Pedal" at GEO.
R.G.

In response to the questions in the forum - PCB Layout for Musical Effects is available from The Book Patch. Search "PCB Layout" and it ought to appear.

gez

Quote from: bryantabuteau on October 07, 2005, 12:50:55 AMSo would i be correct in assuming if I can get a nice square wave from the LFO I can get a nice on/off quick stutter?

Yes, you'll get stutter/pseudo echo but eliminating click/tick can be a bit of a problem. 

The way I got round it was by feeding the square wave to an integrator designed to clip.  This shapes the wave into a trapezoid.  The sloping of the sides that results can eliminate ticking, all depends how you do the modulation.  It's possible to get really steep sides so that the end result sounds identical to a square wave, i.e. chop/stutter (depending on depth), but minus the tick.


"They always say there's nothing new under the sun.  I think that that's a big copout..."  Wayne Shorter

moosapotamus

moosapotamus.net
"I tend to like anything that I think sounds good."

bryantabuteau

Quote from: R.G. on October 07, 2005, 08:55:33 AM
You could start with the "Variable Stuttering Pedal" at GEO.

:icon_redface:  cheers. 

Oh, and thanks for the links/advise to the others, I will see what I can come up with.