Helpful ReplyFrozen LFO Cake (DimPro; Rapture; z3ta+ 2)

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b rock
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2013/07/04 21:27:38 (permalink)

Frozen LFO Cake (DimPro; Rapture; z3ta+ 2)

Inspired by my Oberheim VCF in the S/H mode, and the programming brainchild of RGC:
 
 
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Dimension Pro
Program Handling (file folder icon#1 of four) - Initialize Program
Load Multisample - 00. Wavetables - Square Ober.wav (or any oscillator with some 'meat' on it)
Filter - LP4.  Turn the CUTOFF knob to about midway
RESO knob to midpoint (optional)
 
CUT LFO
Status - On
Freq - 0.00
(Sync should be OFF by default)
Depth - 6000 cents (Hold CTRL + mouse up)
 
Show/Hide MIDI Matrix (MIDI jack icon #3 of four).
Source - MIDI CC - CC 1 (Mod Wheel).
Destination: LFO Freq - Cutoff LFO Freq 1.
Depth - 1.0
Smooth - 0.0
 
Play and hold a note or chord throughout.  Nudge your Mod Wheel up about halfway, and immediately snap it back.
Repeat several times.  Each time the Mod Wheel snaps back, the LFO position is 'frozen' at the last point in its travel sweep.
 
Here, that yields a frozen filter, with a variable cutoff frequency position.
 
Experiment with the 20 LFO shapes in the CUT display for variable freeze point access.
For more rhythmic freezing of your LFO, increase the MIDI Matrix Destination to 3.0-5.0.
 
Arpeggiate several notes in a chord in an 'unfrozen' Mod Wheel position to hear the per-note LFOs in action.
The rate of the arpeggiation can be varied by moving the Mod Wheel with a held chord.
 
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Rapture
Program Handling (file folder icon#1 of four) - Initialize Program
Load Multisample - 009 Square Ober.wav (or any oscillator with some 'meat' on it)
DSP - 01. routing (or any routing without a parallel || branch)
F1 - LP4.  Turn the CUTOFF knob to about midway
RESO knob to midpoint (optional)
 
CUT1 LFO
Status - On
Left+right-click on Sync (moves to OFF).
Freq - 0.00
Depth - 6000 cents
 
Show/Hide Modulation Matrix (MIDI jack icon #3 of four).
Source - CC 1 (Mod Wheel).
Destination: LFO Freq - F1 Cutoff LFO Freq 1
Depth - 1.0
Smooth - 0.0
 
Play and hold a note or chord throughout.  Nudge your Mod Wheel up about halfway, and immediately snap it back.
Repeat several times.  Each time the Mod Wheel snaps back, the LFO position is 'frozen' at the last point in its travel sweep.
 
Here, that yields a frozen filter, with a variable cutoff frequency position.
 
Right-click on the CUT1 LFO display (switches from 00 - Triangle to 101 - Random Bipolar).
Repeat the continuous note + Mod Wheel snapping described above, for a bit more rhythmic method for freezing your LFO.  Increase the Mod Matrix Destination to 3.0-5.0 (faster filter position selection).
 
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For something a little different, use the Formant filters in z3ta+ 2.  Any of the LFO waveforms apply (triangle used here for consistency with the other Cake synth descriptions). The same Frozen LFO process applies to any other LFO-sourced destination - frozen pitch, panning, resonance, etc. - in any of these synths.
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z3ta+ 2
Program - Initialize
OSC1 - WAVE - VINT SQR 1 (or any oscillator with some 'meat' on it)
FILTER - LINK (button)
FILTER - TYPE - Format
FILTER - RESO to midpoint (optional)
 
LFO1 - WAVE1 - Triangle
(LFO) SPEED - .53 Hz.
 
MOD Matrix Slot 1
SOURCE - LFO1
RANGE - 100%
DESTINATION - Filters - All Filters - Cutoff
MOD Matrix Slot 2
SOURCE - On
RANGE - 100%
CURVE - Linear - Unipolar-Linear+
CONTROL - Mod Wheel
DESTINATION - LFO - LFO1 Speed
 
Play and hold a note or chord throughout.  Nudge your Mod Wheel up about halfway, and immediately snap it back.
Repeat several times.  Each time the Mod Wheel snaps back, the LFO position is 'frozen' at the last point in its travel sweep.
 
Here, that yields a frozen formant filter, with a variable cutoff frequency position (resonant 'vowel' sound).
 
The LFO1 Speed was slowed down to .53 Hz. specifically for the Formant filter resonant peaks.  Adjust the LFO1 Speed control over several Hertz to get the best match for other Filter Type selections, and other LFO waveform choices.  This Speed control matching becomes especially critical when using the LFO Wave 1 and Wave 2 Mode combinations.
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#1
scook
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/04 21:37:09 (permalink)
Thanks, another post to save in my files.
#2
AT
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/04 22:17:19 (permalink)
Cool.

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http://www.bnoir-film.com/  
 
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#3
chad
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/08 11:10:53 (permalink)
Very cool tutorial!
 
I'll take a bite of the Frozen LFO Cake
 
 

#4
chad
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/09 12:05:20 (permalink)
Here is my first shot at a custom Rapture program following this tutorial:
 
Frozen LFO Cake.prog
 
I added some extra flavors:
 
- Filter Env retrig on random stepgen speed
- amplitude S&H style LFO
- a little filtering on channel aftertouch
 
#5
fr4ncesco
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/09 16:39:41 (permalink) ☄ Helpfulby chad 2013/07/09 17:02:09
Thanks Tom,
this is a very interesting trick.
 
Here are three variations for pads:
 
Frozen LFO Pads

Pad - Frozen Voices
I set LFOs for almost everything: filter sweep, autopan, vibrato (pitch) and tremolo (volume), all with rates set to 0.
The only difference is that in the modulation matrix I replaced the modwheel with channel aftertouch.
Now press a chord, you hear a nice but quite static pad. Now, keeping the key pressed, increase the pressure: the pad starts moving

Pad - Random Voices
Same as before, but with an important changes.
For the modulation sources, I replaced aftertouch with Random Unipolar.
This means that now each voice of the chord has its own vibrato, its own autopan, its own vibrato...
Or better, each voice has these modulations set at its own speed, so the same chord can be quite lush
 
Pad - Frozen+Random Voices
Using both modulation sources at the same time (aftertouch and Random Unipolar), each contribuing
for half of the total modulation amount.
 
 
#6
dubdisciple
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/09 21:38:24 (permalink)
Big thanks.  I like that you included instructions for several synths.  Great way to compare how similar objectives are handled with different synths.  I'm going to try each instrument.
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b rock
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Re: Frozen LFO Cake (DimPro; Rapture; z3ta+ 2) 2013/07/17 20:37:59 (permalink)
Well, shucks.  And here I thought this was going to be another 'throwaway' tutorial.  Now you guys start raising the bar, and tossing out preset applications.  I guess that I'm going to have to refine the Frozen Shot LFO presets that I was working on now.
#8
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