Tremolo with filter

blondinou · July 28, 2017, 6:42pm

I’ve added a new patch here:

blondinou/OwlPatches/blob/master/Tremolo.hpp

////////////////////////////////////////////////////////////////////////////////////////////////////
// 2014-01-18 - blondinou - first version
// 2014-02-15 - blondinou - soft knobs
////////////////////////////////////////////////////////////////////////////////////////////////////

#ifndef __TremoloPatch_hpp__
#define __TremoloPatch_hpp__

#include "StompBox.h"

#define TREM_TWOPI 6.2831853071f
#define TREM_HALFPI	1.5707963268f

#define TREM_SPEED_MIN	0.5f
#define TREM_SPEED_RATE	8.0f
#define TREM_DEPTH_MIN	0.35f
#define TREM_DEPTH_MAX	0.95f
#define TREM_CUTOFF_MIN	0.018f
#define TREM_CUTOFF_RATE	0.18f
#define TREM_OSC_SOFTNESS	0.01f

This file has been truncated. show original

It’s a tremolo with 4 waveforms available and an optional bandpass filter.
Knob 1 : Speed - the tremolo speed
Knob 2 : Depth - the tremolo depth
Knob 3 : Wave - the progressive waveform (with the knob at 0 triangle, 1/3 sine, 2/3 square, 1 saw)
Knob 4 : Filter - the amount of a bandpass filter mixed in the signal, the cutoff frequency changes with the waveform

I’m planning to do some samples for my different patches.

giom · July 28, 2017, 6:42pm

Hey Blondinou, this is great !
If you want to do some audio samples, the best is to follow the soundcloud examples we already have here

It starts with a few seconds of dry sound, then the wet sound.

You can upload your examples on soundcloud and we’ll be able to link them in the table.

Cheers
Giom

blondinou · July 28, 2017, 6:42pm

Pull request sent

blondinou · July 28, 2017, 6:42pm

Here is a sample :