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5.2.6. Waveshaper
The Waveshaper Oscillator combines two techniques for waveform manipulation, once
again with the goal of creating interesting harmonic content.
A
waveshaper
alters the rise and fall time of a waveform's cycle. For example, applying a
waveshaper to a triangle wave and shortening the rise time of each cycle turns the triangle
wave into a falling sawtooth wave. Further, a waveshaper can affect the curvature of a
rising or falling signal, producing even more unusual harmonic changes.
A
wavefolder
, pioneered by Don Buchla in the 1970s, does what it sounds like: it takes the
top and bottom of a waveform and folds it back on itself, rather than simply clipping it off as
one might hear on a wave being run at too high a level. This is a different sort of harmonic
creation.
Wave: controls the waveform coming out of the waveshaper.
Amount: sets the amount of wavefolding.
Asym: sets the asymmetry of the waveform.
Freak Out: each of the three knobs causes a wide and distinctive change in timbre over its range. Try
modulating all three of them at once, with control signals that all repeat at different rates – for example,
the two LFOs and the Cycling Envelope set to Loop.
25 Arturia - User Manual MiniFreak - The Digital Oscillators
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