Algorithms - GFI System ROSSIE User Manual

8. Algorithms

8.1 ENVELOPE FILTER
This is a highly flexible envelope-controlled filter that follows the dynamic of your picking. Direc-
tion of the filter sweep may be set to UP (standard envelope filter) or DOWN. Vast pallete of
sound is readily accessible through a selection of four distinct filter types: lowpass, bandpass,
highpass, and peaking.
PARAM knob - adjusts the sensitivity of the envelope detector. Set it to lower values when
RANGE knob - adjusts the range of the frequency sweep.
MIX knob - adjusts the wet and dry mix.
Secondary parameters
Direction:
Up

Down

your guitar has higher pickup output level, and set it to higher values if the
pickup has lower output level.
Q (filter bandwidth)
Low

Medium

High

Sharp

Higher setting gives more pronounced
filtering
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User Manual
R O S S I E
FILTER
Filter Types:
Lowpass

Bandpass

Highpass

Peaking
