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C2
Operators Manual
Page 17
DE-Eq
MODE
Below is the block diagram showing how the De-EQ mode works.
Following the input section, the signal is split into two paths, which
are eventually recombined to form the main signal path again.
One signal passes through the equalisation sections that, in this mode,
operate slightly differently to the sidechain EQ for the compressor
mode. In compressor mode, the EQ can be used to cut or boost a band of
frequencies, but in De-EQ mode, these filters are only used to ‘home in’ on a band,
to make the signal more sensitive in this area.
This filtered signal is then used to control the threshold at which it is recombined
with the other unfiltered signal. Note that the gain control element is in this part of
the signal path with the control signal adjusting its level.
The crucial part is following the gain control element. The filtered signal is now
inverted
so that, when it is re-combined with the other signal, it will cancel out some
of the overall level around the selected band, so compressing just those frequencies.
Summary of Contents for C2
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