C2
Operators Manual
Page 19
Having used EQ to tame the bottom end in the sidechain, the compressor will now
be much less sensitive to low frequencies and so won’t start applying gain reduction in
response to only bass.
Traditional sidechain EQ
is normally only featured
in noise gates, and is
limited to high and low
pass filters. In this
situation, whilst a high
pass filter could have
been used to remove some of the low frequency weight present, a wide shelving cut
band would be better, offering much more accurate control of the amount of bass
removed. The curve imposed by a high pass filter is shown in orange, and that of a
shelving filter in red. This highlights the advantage to incorporating more flexible EQ
into the sidechain than that normally offered. The high and low pass filters may be
used to perform quite
severe tailoring of the
frequency response, but
for accurate highlighting
of a small band of
frequencies, parametric
filters are much better.
How would sidechain EQ normally be implemented?
Typically, sidechain EQ would be patched into the in/out external path as offered by
the dynamics processor. The
C2
obviates the need for this external processing for
any of the dynamics modules.
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