Roland Prelude - Manual (Page 67)

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This applies a 3D effect to the flanger sound. The flanger sound will
be positioned 90 degrees left and 90 degrees right.
fig.MFX-30
This applies a 3D effect to the step flanger sound. The flanger sound
will be positioned 90 degrees left and 90 degrees right.
fig.MFX-31
A chorus effect that lets you apply an effect independently to the low-
frequency and high-frequency ranges.
fig.MFX-32
30: 3D FLANGER
Parameter Value Description
Filter Type OFF, LPF, HPF
Type of filter
OFF: no filter is used
LPF: cuts the frequency range
above the Cutoff Freq
HPF: cuts the frequency range
below the Cutoff Freq
Cutoff Freq 200–8000 Hz Basic frequency of the filter
Pre Delay 0.0–100.0 ms
Adjusts the delay time from when
the direct sound begins until the
flanger sound is heard.
Rate 0.05–10.00 Hz, note Frequency of modulation
Depth 0–127 Depth of modulation
Phase 0–180 deg Spatial spread of the sound
Feedback -98– +98%
Adjusts the proportion of the
flanger sound that is fed back into
the effect. Negative (-) settings will
invert the phase.
Output Mode SPEAKER, PHONES
Adjusts the method that will be
used to hear the sound that is out-
put to the OUTPUT jacks. The opti-
mal 3D effect will be achieved if
you select SPEAKER when using
speakers, or PHONES when using
headphones.
Low Gain -15– +15 dB Gain of the low range
High Gain -15– +15 dB Gain of the high range
Balance D100:0W–D0:100W
Volume balance between the di-
rect sound (D) and the flanger
sound (W)
Level 0–127 Output Level
31: 3D STEP FLANGER
Parameter Value Description
Filter Type OFF, LPF, HPF
Type of filter
OFF: no filter is used
LPF: cuts the frequency range
above the Cutoff Freq
HPF: cuts the frequency range
below the Cutoff Freq
Cutoff Freq 200–8000 Hz Basic frequency of the filter
Pre Delay 0.0–100.0 ms
Adjusts the delay time from when
the direct sound begins until the
flanger sound is heard.
Rate 0.05–10.00 Hz, note Frequency of modulation
Depth 0–127 Depth of modulation
Phase 0–180 deg Spatial spread of the sound
L
R
3D Flanger
2-Band
EQ
2-Band
EQ
R out
L out
L
R
3D Step Flanger
2-Band
EQ
2-Band
EQ
R out
L out
Feedback -98– +98%
Adjusts the proportion of the
flanger sound that is fed back into
the effect. Negative (-) settings will
invert the phase.
Step Rate 0.10–20.00 Hz, note Rate (period) of pitch change
Output Mode SPEAKER, PHONES
Adjusts the method that will be
used to hear the sound that is out-
put to the OUTPUT jacks. The opti-
mal 3D effect will be achieved if
you select SPEAKER when using
speakers, or PHONES when using
headphones.
Low Gain -15– +15 dB Gain of the low range
High Gain -15– +15 dB Gain of the high range
Balance D100:0W–D0:100W
Volume balance between the di-
rect sound (D) and the flanger
sound (W)
Level 0–127 Output Level
32: 2BAND CHORUS
Parameter Range Explanation
Split Freq 200–8000 Hz
Frequency at which the low and
high ranges will be divided
Low Pre Delay 0.0–100.0 ms
Delay time from when the origi-
nal sound is heard to when the
low-range chorus sound is heard
Low Rate 0.05–10.00 Hz, note
Rate at which the low-range cho-
rus sound is modulated
Low Depth 0–127
Modulation depth for the low-
range chorus sound
Low Phase 0–180 deg
Spaciousness of the low-range
chorus sound
High Pre Delay 0.0–100.0 ms
Delay time from when the origi-
nal sound is heard to when the
high-range chorus sound is
heard
High Rate 0.05–10.00 Hz, note
Rate at which the low-range cho-
rus sound is modulated
High Depth 0–127
Modulation depth for the high-
range chorus sound
High Phase 0–180 deg
Spaciousness of the high-range
chorus sound
Balance D100:0W–D0:100W
Volume balance of the original
sound (D) and chorus sound (W)
Level 0–127 Output volume
Parameter Value Description
R in R out
L in L out
Split
High Band Chorus
Low Band Chorus
High Band Chorus
Low Band Chorus
Split
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