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NOX
IOUS - User Manual
Keyboard Tracking
When set to 0 (the default), the pitch of the oscillator follows the note pressed on the
keyboards. Set to 100, the pitch changes at twice the normal note rate : two keys
separated by an octave will give a two octave oscillator pitch difference. Finally, when set
to -100, the pitch is constant across all keys.
Filters
Filter mode
The filters can be applied to the modified waveform in serial (the default) or in parallel. In
the latter case, each filtered version (or the original modified waveform, if a filter is not
activated) is then remixed to form the final output.
Keyboard Tracking
This controls how the filter frequency is adjusted for each note. By default, the value is 50
which corresponds to a frequency adjusted exactly with the note frequency. When the
value is 0, the frequency is identical along all the note range. Negative values indicate that
the frequency increases with low notes.
Amplitude and Output
This section of the front panel groups all the controls associated with the volume. The
amplitude envelope is a classic ADSR envelope with attack time, decay time, sustain level
and release time controls.
Filter mix
The influence of each filter in the final output can be controlled here. To the left, only the
influence of the first filter is heard, if it is on, and the right, only the influence of the second
filter.
Modulation
LFO
Two low frequency oscillators (LFO) can be used to modulate one or many parameters
with a bipolar curve. All shapes oscillate between -1 and +1. Both LFO's have the same
settings:
•
Frequency: controls the rate of the LFO in hertz or in note lengths, if it is synced to
the tempo,
•
Shape: there are six different available wave shapes:
•
Sine
•
Triangle
•
Saw
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