An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
The Separator
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filters gain
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This is an effect I've always wanted to try that I built on DreamMaker FX. Essentially, the low guitar string notes are filtered and sent through a marching delay line and the higher notes pass through unaffected. You can create an automatic bass line without any controls.
Arduino Code
Knob and button functions
Delay loop time
Low cutoff
Low note gain
Bypass
(nothing)
The Separator
Copy / paste this code into the Arduino IDE, download and run this effect
.
#include <dreammakerfx.h>
fx_biquad_filter low_cutoff(250.0, // Initial filter cutoff freq
1.0, // Normal resonance
BIQUAD_TYPE_LPF, // Filter type
BIQUAD_ORDER_8);
fx_compressor compressor(-30, // Threshold in dB
40, // Ratio
20, // Attack time (ms)
1000, // Release time (ms)
1.0); // Output gain
fx_pitch_shift pitch_down(0.50); // Pitch shift down by one octave
fx_delay bass_delay(3000.0, 0.93);
fx_gain bass_gain(2.0);
fx_mixer_2 mix2; // Mixer utility
void setup() {
// put your setup code here, to run once:
pedal.init();
pedal.route_audio(pedal.instr_in, low_cutoff.input);
pedal.route_audio(low_cutoff.output, compressor.input);
pedal.route_audio(compressor.output, bass_delay.input);
pedal.route_audio(bass_delay.output, bass_gain.input);
pedal.route_audio(bass_gain.output, mix2.input_1);
pedal.route_audio(pedal.instr_in, mix2.input_2);
pedal.route_audio(mix2.output, pedal.amp_out);
// Left foot switch is bypass
pedal.add_bypass_button(FOOTSWITCH_LEFT);
pedal.run();
}
void loop() {
// put your main code here, to run repeatedly:
if (pedal.pot_left.has_changed()) {
low_cutoff.set_freq(50 + pedal.pot_left.val*300.0);
}
if (pedal.pot_center.has_changed()) {
float steps = round(pedal.pot_center.val * 8.0)/8.0;
bass_delay.set_length_ms(500 + 2000 * steps);
}
if (pedal.pot_right.has_changed()) {
bass_gain.set_gain(1.0 + pedal.pot_right.val*4.0);
}
// Run pedal service to take care of stuff
pedal.service();
}
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