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Effects List
18: Space Chorus
This effect reproduces the sound of Roland’s SDD-320 spatial
expression effects. Greater breadth is added.
fig.MFX-18
19: Hexa Chorus
Hexa-chorus is a six-stage chorus which adds depth and
spaciousness to the sound. (Six chorus sounds with different delay
times are overlaid.) An equalizer is provided before (Pre) and after
(Post) the hexa chorus.
fig.MFX-19
20: Analog Flanger
This effect reproduces the sound of Roland’s SBF-325 analog flanger.
You can get three different types of flanger sounds (adding a
metallic swelling sound to the source sound) and chorus like effect.
fig.MFX-20
Parameter Value Description
Mode 1, 2, 3, 4, 1+4,
2+4, 3+4
Selects the way in the chorus
will change.
The SDD-320 features four
mode buttons for changing the
effect. This setting determines
which buttons are to be pressed.
(“1+4” represents the condition
when Buttons 1 and 4 are
pressed simultaneously.)
Chorus Level #1 0–127 Volume level of the chorus
sound
Ps Low Freq 50–4000 Hz Frequency of the low range
Ps Low Gain -15– +15 dB Gain of the low range
Ps Hi Freq 2000–20000 Hz Frequency of the high range
Ps Hi Gain -15– +15 dB Gain of the high range
Parameter Value Description
Pre Dly Time 0–50.0 ms Adjusts the delay time from the
direct sound until the chorus
sound is heard.
Pre Dly Dev 0–50.0 ms Specifies the differences in Pre
Delay time for each of the chorus
sounds
Rate #1 0.05–10.0 Hz,
note
Specifies the modulation fre-
quency of the chorus sound.
Depth 0–127 Specifies the modulation depth
of the chorus sound.
Depth Devia-
tion
0–127 Specifies the difference in mod-
ulation depth between each of
the chorus sounds.
L
R
Space
Chorus
2-Band
EQ
L
R
2-Band
EQ
Hexa
Chorus
2-Band
EQ
Pan Deviation L63–63R Specifies the difference in stereo
position between each of the
chorus sounds.
0: All of the chorus sounds will
be panned to the center.
L20/R20: each chorus sound
will be placed in 30 degree inter-
vals relative to the center posi-
tion.
Chorus Level #2 0–127 Volume level of the chorus
sound
Pre Low Freq 50–4000 Hz Frequency of the low range (Pre)
Pre Low Gain -15– +15 dB Gain of the low range (Pre)
Pre Hi Freq 2000–20000 Hz Frequency of the high range
(Pre)
Pre Hi Gain -15– +15 dB Gain of the high range (Pre)
Ps Low Freq 50–4000 Hz Frequency of the low range
Ps Low Gain -15– +15 dB Gain of the low range
Ps Hi Freq 2000–20000 Hz Frequency of the high range
Ps Hi Gain -15– +15 dB Gain of the high range
Parameter Value Description
Mode FL1, FL2, FL3,
CHO
Sets the effect type.
FL1: A general monaural flanger
FL2: A stereo flanger that utiliz-
es the stereo placement of the
source sound
FL3: A cross mix flanger that
providing a more intense effect
CHO: Chorus effect
Rate #1 0.02–5.00 Hz,
note
Sets the rate of the swelling of
the flanger sound.
Depth #2 0–127 Specifies the modulation depth
of the flanger sound.
Manual 0–127 Adjusts the center frequency to
which the flanger effect is ap-
plied.
Feedback #3 0–127 Sets the intensity of the flanger’s
effect.
* When the mode is set to CHO,
this setting will be ignored.
CH-R Mod
Phase
NORM, INV Sets the phase of the right chan-
nel.
This is usually set to Normal
(NORM). Setting this to Invert
(INV) inverts the phase of the
modulation (rise and fall) in the
right channel.
CH-L Phase NORM, INV Sets the phase of the left and
right channels when the source
sound is mixed with the flang-
ing sound.
NORM: Positive phase (+)
INV: negative phase (-)
CH-R Phase
Parameter Value Description
L
R
Analog
Flanger