P.81, Chorus → flanger, Sympathetic reso (sympathetic resonance) – Roland Prelude User Manual

Page 81

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81

fig.MFX-77

On an acoustic piano, holding down the damper pedal allows other
strings to resonate in sympathy with the notes you play, creating rich
and spacious resonances. This effect simulates these sympathetic
resonances.

fig.MFX-78

77:

CHORUS FLANGER

Parameter

Value

Description

Chorus Pre
Delay

0.0–100.0 ms

Adjusts the delay time from the direct
sound until the chorus sound is heard.

Chorus Rate

0.05–10.00 Hz, note

Modulation frequency of the chorus
effect

Chorus Depth

0–127

Modulation depth of the chorus effect

Chorus Balance

D100:0W–D0:100W

Volume balance between the direct
sound (D) and the chorus sound (W)

Flanger Pre
Delay

0.0–100.0 ms

Adjusts the delay time from when
the direct sound begins until the
flanger sound is heard.

Flanger Rate

0.05–10.00 Hz, note

Modulation frequency of the flanger
effect

Flanger Depth

0–127

Modulation depth of the flanger effect

Flanger
Feedback

-98– +98%

Adjusts the proportion of the flanger
sound that is fed back into the ef-
fect. Negative (-) settings will invert
the phase.

Flanger Balance D100:0W–D0:100W

Adjusts the volume balance between
the sound that is sent through the
flanger (W) and the sound that is not
sent through the flanger (D).

Level

0–127

Output Level

Feedback

Flanger

L in

R in

L out

R out

Balance W

Balance W

Balance D

Balance D

Chorus

Balance W

Balance W

Balance D

Balance D

78:

SYMPATHETIC RESO
(SYMPATHETIC RESONANCE)

Parameter

Range

Explanation

Depth

0–127

Depth of the effect

Damper

0–127

Depth to which the damper pedal is
pressed (controls the resonant
sound)

Pre LPF

16–15000 Hz,
BYPASS

Frequency of the filter that cuts the
high-frequency content of the input
sound (BYPASS: no cut)

Pre HPF

BYPASS,
16–15000 Hz

Frequency of the filter that cuts the
low-frequency content of the input
sound (BYPASS: no cut)

Peaking Freq

200–8000 Hz

Frequency of the filter that boosts/
cuts a specific frequency region of
the input sound

Peaking Gain

-15– +15 dB

Amount of boost/cut produced by
the filter at the specified frequency
region of the input sound

Peaking Q

0.5, 1.0, 2.0, 4.0,
8.0

Width of the frequency region
boosted/cut by the ‘Peaking Gain’
parameter (larger values make the
region narrower)

HF Damp

16–15000 Hz,
BYPASS

Frequency at which the high-fre-
quency content of the resonant
sound will be cut (BYPASS: no cut)

LF Damp

BYPASS,
16–15000 Hz

Frequency at which the low-frequen-
cy content of the resonant sound will
be cut (BYPASS: no cut)

Lid

6–1

This simulates the actual changes in
sound that occur when the lid of a
grand piano is set at different
heights.

EQ Low Freq

200, 400 Hz

Frequency of the low-range EQ

EQ Low Gain

-15– +15 dB

Amount of low-range boost/cut

EQ Mid Freq

200–8000 Hz

Frequency of the midrange EQ

EQ Mid Gain

-15– +15 dB

Amount of midrange boost/cut

EQ Mid Q

0.5, 1.0, 2.0, 4.0,
8.0

Width of midrange (larger values
make the region narrower)

EQ High Freq

2000, 4000, 8000
Hz

Frequency of the high-range EQ

EQ High Gain

-15–+15 dB

Amount of high-range boost/cut

Level

0–127

Output Level

L in

R in

L out

R out

Sym. Resonance

3-Band

EQ

3-Band

EQ

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