BSS 366T OmniDrive [74/112] Input channels deq dynamics screen

BSS 366T OmniDrive [74/112] Input channels deq dynamics screen
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FDS-366T
The first EQ in each output can be programmed to work dynamically. The first
DEQ screen sets up the parameters of the EQ's compressor; the EQ screen that
follows sets the EQ parameters.
"On" or "Off"
Determines whether the Dynamic equaliser on this output channel is enabled
for dynamic operation. When set to OFF, the equaliser will operate as a
conventional equaliser. When set to ON, the boost/cut value of the equaliser is
dynamically varied according to the amplitude of the signal. If the DEQ
parameter is selected as "Off" then the other parameters on this DEQ screen are
not selectable - switch DEQ to "On" to adjust them.
(-30dBu to +20dBu in 0.1dB steps)
Sets the signal level that is required to trigger compressor operation.
If a signal is below threshold in 'boost' mode, or above threshold in 'cut' mode,
the Dynamic Equaliser will not compress it. Adjusting the threshold control
downwards brings a signal closer to, or takes it above, the threshold level
respectively.
Once the input signal is above the threshold level in 'boost' mode, or below
threshold in 'cut' mode, gain reduction or compression will occur. The amount
of effective boost/cut is indicated on the bargraph meter to the left of the DEQ
parameters screen or on the curve itself in the DEQ Equaliser window. What
actually happens to the sound when compressing is to a large extent governed
by the Ratio parameter setting.
In use the threshold and ratio controls are generally adjusted as a pair whilst
listening to the result. The attack and release parameters also change the
characteristics.
(2:1, 5:1, 10:1, 20:1, INF)
Determines the aggressiveness of the dynamic equaliser. Higher settings
control the boost-cut very tightly, just like a limiter. Lower settings produce a
more relaxed result.
In applications where gentle compression is required, it is advantageous to
change from the linear to compression region in a very gradual manner, rather
than the more conventional abrupt manner. The FDS-366T Dynamic Equaliser
has been configured so that for low settings of the ratio control and low levels
of compression, the transfer is soft. For high ratio settings and high levels of
compression the transfer becomes harder.
This ‘progressive knee’ gives inaudible compression for low levels of ratio and
gain reduction, whilst allowing harder compression for limiting and extreme
control when required. It is also an important characteristic of the FDS-366T
Dynamic Equaliser (and all other BSS Audio compressors) and is why a ‘soft
knee’ or other similarly labeled control is not required. Progressive knee is also
Input Channels - DEQ Dynamics Screen
Ratio
DEQ
Thr (Threshold)

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