Spectral Coloration Equalizer
In the previous section, a ``graphical equalizer'' was used to set the
reverberator decay time independently in each spectral band slice.
While this gives much control over decay time, there is no control
over the initial spectral gain in each band. Therefore, another good
place for a graphical equalizer is at the reverberator input or
output. Such an equalizer allows control of the initial
spectral coloration of the reverberator. In the example of
Fig.3.10, a spectral coloration equalizer is most efficiently
applied to the input signal 
, before entering the FDN (but after
splitting off the direct signal to be scaled by 
and added to the
output), or the output of 
in Fig.3.10.
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Tonal Correction Filter
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Delay-Line Damping Filter Design
