2.0

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Decay
Allows you to control how long it takes for the Gate to close after the
signal falls below the threshold level.
Range
Sets the depth of the Gate when closed. This parameter has a
maximum depth of –80 dB. Setting the Gate to higher range levels
allows more of the gated audio that falls below the threshold to peek
through the gate at all times. This is useful for problems such as drum
leakage, where you might want to suppress the overall drum kit
sound by a specific amount while emphasizing the gated instrument
such as a snare.
Graph
Displays the response curve set by the Gate’s Threshold and Range
settings. As you adjust these parameters, refer to the graph to see how
the shape of this curve changes. It allows you to see the effect of your
settings.
External Key
This parameter has no effect on the AudioSuite plug-ins.
Key Listen
This parameter has no effect on the AudioSuite plug-ins.
Expander/Gate
The Expander/Gate plug-in reduces noise by decreasing the gain of
signals that fall below a user-selectable threshold. Expanders are
particularly useful for reducing noise or signal leakage that creeps into
recorded material as the its level falls, which often occurs with
headphone leakage.