Soundtoys PhaseMistress - Manual (Page 24)

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Mod
The "Mod" control determines the amount of modulation signal that will be used to
sweep the phaser Frequency. Increasing the Mod will increase the amount of modula-
tion and determine the mod (how far) the frequency will be swept either above
and/or below the center frequency. The amount of Mod used will often be dependent
on where the Frequency knob is set as well as the type of modulation signal being
used. Usually the faster the modulation the less Mod you will want to use as phase
shifting can create a "vibrato-like" effect and make the signal sounds out of tune.
Please Note: The Mod knob on the front panel is directly linked to the Freq Mod
parameter located under the "Tweak" button. The total available modulation depth as
well as the direction of the modulation is set by the Freq Mod parameter in the
Tweak menu (based on having the Mod knob full up). The front panel Mod knob allows
you to "scale" the amount of available modulation based on the Freq Mod setting.
This will all be covered in detail when we discuss the Tweak menu features but we
thought it would be worth mentioning now.
Rate, Shape and LFO
The Rate knob allows you to alter the speed or rate of the modulation signal via the
front panel and the setting of this knob is saved within a standard PhaseMistress
preset. However, the Modulation section within PhaseMistress is REALLY powerful
and there is a whole world of modulation possibilities that are waiting to be accessed
and abused. These are covered in detail in the section called "Choosing a Modulation
Type and Source" on page 32. But for now just note that the Rate knob sets the
speed of the modulation.