DSP Components 361
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apart with three filters to an octave. Equalizers with half as many filters per octave are common
where there is less precise control and is called a 2/3-octave equalizer, and the 1 Octave GEQ is
one filter to an octave.
Bypass all: Disable all the EQ frequency
bands.
Bypass: Disable the selected frequency
band.
Gain: Set the gain of the selected frequency
band.
Graphical Control Window
Axis:
o X: Frequency of output signal(Hz).
o Y: Gain of output signal(dB).
Control Points:
o Blue: Adjust the Gain.
6.3.2 PEQ/PEQ Stereo
PEQ(Parametric Equalizer) is a multi-band variable equalizers which controls the three primary
parameters: amplitude, center frequency and bandwidth, making more precise adjustments to sound
than other equalizers. The amplitude of each band can be controlled, the center frequency can be
shifted, and bandwidth ("Q") can be widened or narrowed.
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