6.3.3. Wavetable oscillator (Wavetable)
Description:
In the early '80s advances in computer technology made it possible to scan
through waveforms stored in memory. A waveform consists of short snippets called
samples. 256 samples form a cycle of the wave. Each wave table stores 32 cycles. When
you move the Timbre knob, you move through these cycles.
Once you have a waveform stored in memory, you can do things with it that are not possible
with an analog oscillator. For example, you can change its pitch by changing the speed with
which you read the waveform from memory.
Table:
The Wave knob enables you to select a wave from the 16 waves stored in the table.
Position:
Allows you to browse the 32 cycles.
Chorus:
Activates a chorus, which adds a chorus effect to the wavetable.
Tip:
To hear the real sonic power of this oscillator, modulate the wave parameter with the
LFO or the Cycling Envelope. This modulation technique is called wavesequencing.
6.3.4. Harmonic OSC (Harmo)
Description:
Harmonic oscillators recreate sound by creating and summing harmonics.
By varying the amplitude of the individual harmonics, the timbre changes. The Harmonic
Oscillator is unique in that is does not only sum up to eight harmonices but sums complete
waveforms. This results in more complex sounds than possible with traditional harmonic
oscillators.
Content:
When turning the wave knob you morph through different tables of harmonic
amplitudes and switch between these. Higher values provide tones with richer harmonic
content.
Sculpting:
When turning the timbre knob you morph between a sine and a triangle wave.
A harmonic derived from a sine wave will sound different from a harmonic built from a
triangle wave.
Chorus:
Adds chorus to the oscillator sound, making it wider.
The Wavetable Oscillator
Model
Harmonic Oscillator
Model
Arturia - User Manual MicroFreak - The Digital Oscillator
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