TC Electronic Finalizer 96K User Manual page 28

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The Attack time is the response time that the Compressor uses
to reach the gain reduction specified by the Ratio parameter.
Example: If the Input signal increases to 4dB above Threshold
with the Ratio set to 2:1 and the Attack set to 20ms, the
Compressor will use 20ms to reach the gain reduction of 2dB.
Release sets the fall-back time of the Compressor, after the
signal drops below the Threshold.
This parameter adjusts the look-ahead delay. This means that
your audio signal is delayed, e.g., 10ms.
By slightly delaying the audio signal, you enable the processor
to look ahead at the signal, and it will therefore react more
accurately than a standard Compressor/Limiter/Expander.
The actual look-ahead delay time is scaled automatically with
the Attack time, individually on all three bands.
Note: This delay time parameter is common for the Compressor,
Limiter and Expander.
This parameter determines whether the Compressor should react
to peaks or RMS (average), or something in between. E.g. if the
Crest parameter is set to 6dB, the Compressor is reacting to
RMS values and to peaks 6dB higher than the current RMS
value.
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Compressor
Make-up gain
Make-up gain is automatically calculated in the Finalizer as a
function of your Threshold and Ratio settings. If for instance you
set the Threshold to -9dB with a Ratio of 1:Infinity, 9dB of
Make-up gain is added automatically. If the Ratio then is altered
to 1:2, 4.5dB of Make-up gain is added. In the Compressor User
page, you can now counteract the automatic gain, if you wish to
maintain e.g. Unity gain:
On the Compressor display, Band levels are shown as three bars
with Unity gain in the centre.
To have full automatic Make-up gain, all levels must be set to 0.
To have Unity gain simply position the three indicators on the
centre line.
To have Make-up gain with a flat spectrum below the Threshold
of Compression you should balance the bars.