Korg Bicycle PS60 사용자 설명서
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Filter Pitch EG
35
Filter
Filtering can make subtle or dramatic changes to the oscilla‐
tor’s timbre. Each oscillator has two multimode resonant fil‐
ters, A and B, as well as a dedicated filter envelope and
keyboard tracking generator.
These pages let you control all aspects of the filters. Among
other things, you can:
tor’s timbre. Each oscillator has two multimode resonant fil‐
ters, A and B, as well as a dedicated filter envelope and
keyboard tracking generator.
These pages let you control all aspects of the filters. Among
other things, you can:
• Adjust basic settings for each oscillator’s filters,
including routing, modes, cutoff, resonance, etc.
• Set up filter modulation, including keyboard tracking,
the filter envelope, LFO modulation, and AMS control.
Note that when the “Oscillator Mode” is set to Single, only
Oscillator 1’s filters are active; the pages for Oscillator 2’s fil‐
ters will be grayed out.
Oscillator 1’s filters are active; the pages for Oscillator 2’s fil‐
ters will be grayed out.
Filter1
This page contains all of the basic settings for Oscillator 1’s
Filter A and Filter B. For example, you can:
Filter A and Filter B. For example, you can:
• Set up the filters to produce a single 12 dB/oct filter, dual
12 dB/oct filters in either serial or parallel routing, or a
single 24 dB/oct filter.
single 24 dB/oct filter.
• Set each of the two filters to Low Pass, High Pass, Band
Pass, or Band Reject modes.
Routing
[Single, Serial, Parallel, 24dB(4Pole)]
Each oscillator has two filters, Filter A and Filter B. This
parameter controls whether one or both of the filters are
used, and if both are used, it controls how they are con‐
nected to each other.
Single: This uses only Filter A as a single 2‐pole, 12 dB/
octave filter (6 dB for Band Pass and Band Reject). When this
option is selected, the controls for Filter B will be grayed
out.
Serial: This uses both Filter A and Filter B. The oscillator
first goes through Filter A, and then the output of Filter A is
processed through Filter B.
Parallel: This also uses both Filter A and Filter B. The oscil‐
lator feeds both filters directly, and the outputs of the two
filters are then summed together.
24dB/oct: This merges both filters to create a single 4‐pole,
24 dB/octave filter (12 dB for Band Pass and Band Reject). In
comparison to Single, this option produces a sharper roll‐off
beyond the cutoff frequency, as well as a slightly more deli‐
cate resonance. Many classic analog synths used this general
type of filter.
When 24 dB/oct is selected, only the controls for Filter A are
active; the controls for Filter B will be grayed out.
parameter controls whether one or both of the filters are
used, and if both are used, it controls how they are con‐
nected to each other.
Single: This uses only Filter A as a single 2‐pole, 12 dB/
octave filter (6 dB for Band Pass and Band Reject). When this
option is selected, the controls for Filter B will be grayed
out.
Serial: This uses both Filter A and Filter B. The oscillator
first goes through Filter A, and then the output of Filter A is
processed through Filter B.
Parallel: This also uses both Filter A and Filter B. The oscil‐
lator feeds both filters directly, and the outputs of the two
filters are then summed together.
24dB/oct: This merges both filters to create a single 4‐pole,
24 dB/octave filter (12 dB for Band Pass and Band Reject). In
comparison to Single, this option produces a sharper roll‐off
beyond the cutoff frequency, as well as a slightly more deli‐
cate resonance. Many classic analog synths used this general
type of filter.
When 24 dB/oct is selected, only the controls for Filter A are
active; the controls for Filter B will be grayed out.