Effects and Plug-Ins : Dynamics Processing
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Sets the limit threshold (and ceiling).
Ratios / Slope
Limit and Gate have fixed ratios, tending to infinity. Ratio settings for the Expander and Compressors are to the left
of their respective Threshold controls.
Compression Bar Graph Meter
The Compression bar graph indicator, above the ratio controls, shows the amount of overall gain reduction or
increase applied to the input signal. No change is in the middle of the scale. Green ‘leds’ above the middle indicate
gain increase, red ‘leds’ below indicate gain reduction. The display range of the indicator can be toggled between
+/-10dB, +/- 20dB, and +/-40dB by clicking on it.
Time
The speed at which the dynamics processor responds when signals go above or below any of the threshold set-
tings are in this section. Careful setting of these parameters make dynamics processing more subtle and less
obtrusive.
Delay
Allows the main program signal to be delayed by 0.01ms to 10ms. Allows ‘brick-wall’ limiting since the processor
has time to respond to fast transients.
Attack
Attack Time sets the response speed of the processor when a threshold level is reached within the range of .01 mil-
liseconds to 600 milliseconds.
Release
Release Time sets the rate at which applied gain change returns to unity after the threshold is no longer exceeded.
Range is 5 milliseconds to 5 seconds.
Equalizer
The equalizer is in the side-chain. I.e. it affects the key signal which triggers the effect of the dynamics processor,
but does not alter the tonal balance of the main signal. This enables the response of the processor to be made
more sensitive to certain frequencies than others. This is typically used to produce a de-essing effect, used to con-
trol excessive sibilance. E.g. boosting frequencies 3kHz to 8kHz range so that a compressor acts when the signal
has components in this range thus reducing signal level and making the sibilance less obtrusive.
Q
Sets the bandwidth of the eq.
Frequency
Sets the equalizer center frequency in the range 20Hz to 20kHz. 24dB of Boost/Cut are available. The Te st button
toggles the output of the EQ between side and program chains. When
On, the output of the EQ is heard. This can
be useful when identifying sibilance etc.
On/Off toggles the equalizer on and off in the side chain. When Off, the
program material triggers the processor. When
On, the signal is in effect, split. The portion sent via the equalizer is
used to trigger or ‘key’ the operation of the dynamics processor on the normal program material.
X/Y Dynamics Response Display
This shows the threshold and ratio settings for the gate, expander, compressor 1, compressor 2, and limiter pro-
cesses, and the Dynamics Processor's reference level. These are shown as a series of colored lines with control han-
dles on a grid representing input level in dB below unity gain (0dB) on the horizontal axis, and output gain in dB
below unity gain (0dB) on the vertical axis.
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