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21
OPTIMIZER
of the audio spectrum to contrive a bandpass filter for the
production of ‘telephone’ effects and similar treatments.
In the High-pass and Low-pass modes, the Q control
changes the filter characteristic from over damped to under
damped, with the higher Q settings producing a tighter,
more focused sound.
Fig. 12:
Curve 1:
Low-pass, Q = 1,5;
Roll-Off = steep
Curve 2:
High-pass; Q = 1,5;
Roll-Off = steep
Curve 3:
Band-pass; Q = 1,5;
Roll-Off = steep
Fig. 13:
Curve 1:
Low-pass, Q = 1,5;
Roll-Off = gentle
Curve 2:
High-pass; Q = 1,5;
Roll-Off = gentle
Curve 3:
Band-pass; Q = 1,5;
Roll-Off = gentle
Fig. 14:
Curve 1:
Low-pass; Q = 0,2;
Roll-Off = gentle
Curve 2:
High-pass; Q = 0,2;
Roll-Off = gentle
Curve 3:
Band-pass; Q = 0,2;
Roll-Off = gentle
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