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Chapter 6 Filter eects 118
The main areas of the AutoFilter window are the Threshold, Envelope, LFO, Filter, Distortion, and
Output parameter sections.
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Threshold slider: Sets an input level that—if exceeded—triggers the envelope or LFO that
dynamically modulates lter cuto frequency. See AutoFilter threshold on page 118 .
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Envelope parameters: Dene how the lter cuto frequency is modulated over time. See
AutoFilter envelope on page 118 .
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LFO parameters: Dene how the lter cuto frequency is modulated by the LFO. See AutoFilter
LFO on page 119 .
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Filter parameters: Control the tonal color of the ltered sound. See AutoFilter lter on page 120 .
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Distortion parameters: Distort the signal both before and after the lter. See AutoFilter
distortion on page 121.
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Output parameters: Set the level of both the dry and eect signal. See AutoFilter output on
page 121.
AutoFilter threshold
The Threshold parameter analyzes the level of the input signal. If the input signal level exceeds
the set threshold level, the envelope and LFO are retriggered.
Note: Retriggering of the envelope or LFO occurs only if the Retrigger button is active.
You can use the envelope and LFO to modulate the lter cuto frequency.
AutoFilter envelope
The envelope is used to shape the lter cuto over time. When the input signal exceeds the set
threshold level, the envelope is triggered.
Envelope parameters
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Attack knob and eld: Rotate to set the attack time for the envelope.
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Decay knob and eld: Rotate to set the decay time for the envelope.