Ableton Live - 9.0 Bedienungsanleitung Seite 411

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411 Live Instrument Reference
filter, but this depends on the nature of the sound itself and cannot generally be predicted. If you
want to familiarize yourself with the sound of aliasing, turn Tone up fully and play a few very
high notes. You will most likely notice that some notes sound completely different from other
notes. Now, turn Tone down and the effect will be reduced, but the sound will be less bright.
24.6.3 LFO Section
Operator’s LFO Parameters.
The LFO in Operator can practically be thought of as a fifth oscillator. It runs at audio rates, and
it modulates the frequency of the other oscillators. It is possible to switch LFO modulation on or
off for each individual oscillator (and the filter) using the Dest. A buttons in the LFO’s display. The
intensity of the LFO’s modulation of these targets can be adjusted by the Dest. A slider. The LFO
can also be turned off entirely if it is unused.
The Dest. B chooser allows the LFO to modulate an additional parameter. The intensity of this
modulation is determined by the Dest. B slider.
The LFO offers a choice of classic LFO waveforms, sample and hold (S&H), and noise. Sample
and hold uses random numbers chosen at the rate of the LFO, creating the random steps useful
for typical retro-futuristic sci-fi sounds. The noise waveform is simply bandpass-filtered noise.
Tip: FM synthesis can be used to create fantastic percussion sounds, and using the LFO with the
noise waveform is the key to great hi-hats and snares.
The frequency of the LFO is determined by the LFO Rate control in the shell, as well as the low/
high/sync setting of the adjacent LFO Range chooser. The frequency of the LFO can follow note
pitch, be fixed or be set to something in between. This is defined by the Rate<Key parameter in
the LFO’s display. With the R (Retrigger) button enabled, the LFO restarts at the same position in
its phase each time a note is triggered. With R disabled, the LFO is free-running.
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