Korg pa 900 User Manual page 370

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Effects
366
EQ and Filters (EQ/Filter)
14: St. Sub Oscillator
(Stereo Sub Oscillator)
This effect adds very low frequencies to the input signal. It is
very useful when simulating a roaring drum sound or emphasiz-
ing powerful low range. This effect is different from the equal-
izer in that you can add very low range harmonics. You can also
adjust the oscillator frequency to match a particular note num-
ber, for use as an octaver.
Stereo In - Stereo Out
Left
Envelope Shape
Envelope Sens
Pre LPF
D
-mod
Fixed Frequency
Note Interval, Fine
Note No.
Note (Key Follow)
Envelope Sens Pre LPF
Envelope Shape
Right
Note (Key
a
OSC Mode
Follow), Fixed
Note Interval
–48...0
b
Note Fine
–100...+100
Fixed
10.0...80.0
Frequency [Hz]
Src
Off...Tempo
c
Amt
–80...+80
Envelope Pre
d
1...100
LPF
Envelope Sens 0...100
e
Envelope
–100...+100
Shape
Dry, 1:99...99:1,
Wet/Dry
Wet
f
Src
Off...Tempo
Amt
–100...+100
a: OSC Mode
b: Note Interval
b: Note Fine
The "OSC Mode" parameter selects the oscillator operation
mode. When Note (Key Follow) is selected, the oscillator's fre-
quency is determined based on the note number, allowing you to
use it as an octaver. The "Note Interval" parameter sets the pitch
offset from the original note number by semitone steps. The
"Note Fine" parameter allows you to fine-tune in steps of cents.
d: Envelope Pre LPF
This parameter sets the upper limit of the frequency range to
which very low harmonics are added. Adjust this parameter if
you do not want to add lower harmonics to the higher range.
FX Amt
Sine Oscillator
Fixed
Pitch
OSC Mode
FX Amt
Determines whether the oscillator
frequency follows the note number
or whether it is fixed
Sets the pitch difference from the
note number when OSC
Mode=Note (Key Follow)
Fine adjustment of the oscillator
frequency
Sets the oscillator frequency when
OSC Mode=Fixed
Selects the modulation source for
the oscillator frequency when OSC
Mode=Fixed
Sets the oscillator frequency
modulation amount when OSC
Mode=Fixed
Sets the upper limit of the frequency
range for which very low harmonics
are added
Sets the sensitivity with which very
low harmonics are added
Sets the oscillator's volume
envelope curve
Balance between the wet and dry
signal
Table , "Dynamic Modulation
sources, " on page 357
Amount of modulation source
15: Talking Modulator
This effect adds an unusual character, like a human voice, to the
input signal. Modulating the tone via dynamic modulation, you
can create an interesting effect that sounds as if the guitar or syn-
thesizer is talking.
FX Amt = 100: Mono In - Mono Out / FX Amt = 0: Stereo In - Stereo Out
Left
+
Talking Modulator
Right
Sweep Mode
Voice Top: A
D
-mod
Voice Center: I
D-mod
Voice Bottom: U
LFO
LFO
a
Sweep Mode
D-mod, LFO
Bottom, 1...49,
Manual Voice
Center, 51...99,
Control
Top
b
Src
Off...Tempo
c
Voice Top
A, I, U, E, O
d Voice Center
A, I, U, E, O
e
Voice Bottom
A, I, U, E, O
Formant Shift
–100...+100
f
Resonance
0...100
LFO Frequency
0.02...20.00
[Hz]
g
Src
Off...Tempo
–20.00...
Amt
+20.00
MIDI Sync
Off, On
MIDI,
BPM
40.00...
h
300.00
Base Note
r...w
Times
x1...x32
Dry, 1:99...99:1,
Wet/Dry
Wet
i
Src
Off...Tempo
Amt
–100...+100
FX Amt
A - I - U - E - O
FX Amt
Switches between modulation
source control and LFO control
Voice pattern control
Selects the modulation source that
controls the voice pattern
Selects a vowel sound at the top
end of control
Selects a vowel sound in the center
of control
Selects a vowel sound at the bottom
end of control
Sets the frequency to which the
effect is applied
Sets the Level of resonance of the
voice pattern
Sets the speed of the LFO
Selects a modulation source for LFO
speed
Sets the modulation amount of LFO
speed
When this is on, the LFO speed is set
by BPM, Base Note, and Times,
instead of Frequency
MIDI syncs to the system tempo; 40–
300 sets the tempo manually for this
individual effect
Selects the type of notes that
specify the LFO speed
Sets the number of notes that
specify the LFO speed
Balance between the wet and dry
signal
Table , "Dynamic Modulation
sources, " on page 357
Amount of modulation source

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