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reacts to signals above the threshold level, while releaSe sets how much
time it takes for the compression to stop after the signal drops below
the threshold. Optimum settings depend on the audio material being
compressed. Longer attaCK times let through more percussive transients,
but with the trade off of letting peaks pass that might distort subsequent
stages. Shorter releaSe times can work well with percussive sounds. When
processing more complex or sustained material, releaSe times have to be
longer. Note that even at the shortest attaCK time, the compressor needs
some time to analyse the signal and react to it.
Activating the l
ooK
a
Head
button delays the audio by a very short amount
(32 samples) so that the compression algorithm can foresee peaks before
they happen, and be ready to process them instantly.
Label Function Range Unit
Threshold Sets the level above which compression begins. -48...0 dB
Gain L, Gain LM, Gain
HM, Gain H
Sets the amount of post-compression amplication for each band. -24..+24 dB
Ratio L, Ratio LM,
Ratio HM, Ratio H
Sets the amount by which the signal is compressed. At 1 there is no compres-
sion and the output signal equals the input signal. At the maximum setting
signal levels are “clamped” to the threshold level (i.e., the compressor acts as a
limiter).
1..[inf]
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