Polyverse Filtron Manuale utente

Table of Contents
About Filtron 3
Getting Started 4
Installation 4
Main Controls 5
Control Tips 5
Shift-Drag To Fine Tune 5
Double-Click for Default 5
Direct Entry 5
Main Controls List 6
In 6
Out 6
Cuto 6
Type 6
Res 7
Drive 7
Drive Mode 7
Modulation 8
Modulation Popup Buttons 8
Modulation Pop-up Sliders 8
Stereo Modulation 8
Settings 9
General Settings 9
GUI Scale 9
Knob Mode 10
MIDI Learn 11
1

The information in this document is subject to change without notice and
does not represent a commitment on the part of Polyverse Music. The
software described by this document is subject to a License Agreement and
may not be copied to other media. No part of this publication may be copied,
reproduced or otherwise transmitted or recorded, for any purpose, without
prior written permission by Polyverse Music.
Polyverse Music and associated logos are registered trademarks of Polyverse
Music Inc.
Mac, Mac OS, GarageBand, LogicPro, iTunes, and iPod are registered
trademarks of Apple Inc., registered in the U.S. and other countries. Windows
is a registered trademark of Microsoft Corporation in the United States and/or
other countries.
All other trademarks are the property of their respective owners and use of
them does not imply any aliation with or endorsement by them.
Special thanks to our Beta Test Team, who were invaluable not just in tracking
down bugs, but in making this a better product.
2

About Filtron
Filtron is a 12dB state variable filter that can smoothly transition between
lowpass, bandpass, and highpass. It is capable of self-oscillation with
resonance levels that can reach up to 11.
Filtron also features a fat sounding internal saturation algorithm and a sizzly
post overdrive with two modes to choose from: cold and hot.
Filtron’s parameters can be modulated via sidechain by CV generators such as
Gatekeeper. Each channel in a stereo pair is treated as a separate modulation
source and can be split to stereo. Filtron is also optimized for audio rate
modulation.
3

Getting Started
Installation
To install Filtron, simply run the installer and follow the instructions on your
screen. For free tutorials and videos about setting up and using Filtron with
your favorite DAW (Digital Audio Workstation), please visit our website at
http://polyversemusic.com/support
Compatibility:
Windows: 64 bit VST, AAX
OSX: 10.13+ 64 bit VST, AAX, AU
4

Main Controls
The main panel of Filtron is where you adjust all the controls that have the
most impact on its sound.
Control Tips
The controls in Filtron have a few common behaviors meant to make working
with the plug-in quicker and easier. Generally, you can do the following:
Shift-Drag To Fine Tune
Hold the shift key while dragging on a control to move it more slowly and thus
make fine adjustments.
Double-Click for Default
Double-click on any graphical control to return it to its default value. Another
double click will return it to the previous value.
Direct Entry
While you can drag up or down on any numerical or field, double-click on the
field to enter a specific value right from your computer keyboard.
5

Main Controls List
In
Adjusts the input volume of the filter and oers up to a 12dB boost of
the input signal. Filtron’s filters have internal saturation, and boosting
the input signal takes advantage of this feature.
Out
Adjusts the output volume of the processed signal. This can be very
useful for taming the resulting gain in your track without having to
reach for the fader in your DAW’s mix window.
Cuto
Adjusts the frequency of the filter.
The filter curve corresponds to pitch. The middle position is
tuned to 640hz.
You can click on the frequency (Hertz) field in the center of
the knob as well.
Type
This slider crossfades between the filter’s three filter types:
lowpass, bandpass, and highpass. Click on the LP, BP, or HP
icons if you want purely that type of filter.
6

Res
Resonance is a peak of frequencies around the cuto
frequency (lowpass and highpass) or center frequency
(bandpass) of a filter, and is responsible for the “whistling” or
“rubbery” character of many classic analog synth patches. This
control applies resonance to the Classic Filter only. This filter
is capable of self-oscillating and can go beyond that point. It
has enough headroom for its resonance to be displaced by
audio — if pushed with enough gain. Be careful with this!
Drive
This will drive the output by up to 30dB.
Drive Mode
Select between two modes of drive: cold, and hot!
7

Modulation
Filtron’s main parameters can all be modulated by external CV via the Side
Chain input.
Modulation Popup Buttons
To open the modulation Popup click underneath any main control that’s
eligible to be a modulation source. These appear as small vertical lines.
Modulation Pop-up Sliders
The modulation Pop-up contains modulation amount sliders.
Again, modulation controls have the same color as the
Modulation Source Slot they represent and will appear only if
the slot is enabled.
The controls are bipolar, so sliding them up to the maximum
will result in positive modulation, while sliding them down to
the minimum will result in negative modulation. Double Click
to set to 0 - and turn the modulation o.
Most modulation amount sliders have the following curve -
which enables more resolution in values that are closer to zero
until the 25% mark, and then linear action afterwards.
Stereo Modulation
Notice that Mod slot 2 looks dierent in the image of the sliders above. Click
the circle icon below any modulation slider to toggle modulation from that
source between mono and stereo. In stereo mode, you can set dierent
modulation depths — even one positive and the other negative — for the left
and right sides of a stereo signal. This can result in some truly wild
modulation eects. Want the filter cuto to sweep up for the left side as it
goes down for the right? You can do that!
8

Settings
Click the gear-shaped icon to open the Settings panel, where three useful
categories of settings reside: General, Tuning and MIDI.
These are global settings, meaning they aect all Presets equally and do not
change at the Preset level.
General Settings
These govern the size of the Filtron plug-in window and the behavior of its
controls.
GUI Scale
You can resize the Filtron window from 50% to 200% in five
steps. Smaller sizes are good for situations where you may
want to cram a lot of plug-ins onscreen. Larger ones are ideal
for multi-display setups or working with Filtron as a sound
design tool all by itself.
9
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