Roland Prelude User Manual download pdf (Page 65)

This is a stereo flanger. (The LFO has the same phase for left and

right.) It produces a metallic resonance that rises and falls like a jet

airplane taking off or landing. A filter is provided so that you can

adjust the timbre of the flanged sound.

fig.MFX-24

This is a flanger in which the flanger pitch changes in steps. The speed

at which the pitch changes can also be specified in terms of a note-

value of a specified tempo.

fig.MFX-25

Uses a six-phase chorus (six layers of chorused sound) to give richness

and spatial spread to the sound.

fig.MFX-26

24: 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.

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 direct

sound (D) and the flanger sound (W)

Level 0–127 Output Level

25: 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

R in

R out

L in

L out

Flanger

Feedback

Flanger

Balance W

Balance D

Balance W

Balance D

2-Band

R in

R out

L in

L out

Feedback

Balance W

Balance D

Balance W

Balance D

2-Band

Step Flanger

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.

Step Rate 0.10–20.00 Hz, note Rate (period) of pitch change

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

26: HEXA-CHORUS

Parameter Value Description

Pre Delay 0.0–100.0 ms

Adjusts the delay time from the di-

rect sound until the chorus sound is

heard.

Rate 0.05–10.00 Hz, note Frequency of modulation

Depth 0–127 Depth of modulation

Pre Delay

Deviation

0–20

Adjusts the differences in Pre Delay

between each chorus sound.

Depth

Deviation

-20– +20

Adjusts the difference in modulation

depth between each chorus sound.

Pan Deviation 0–20

Adjusts the difference in stereo loca-

tion between each chorus sound.

0: All chorus sounds will be in the

center.

20: Each chorus sound will be

spaced at 60 degree intervals

relative to the center.

Balance D100:0W–D0:100W

Volume balance between the direct

sound (D) and the chorus sound (W)

Level 0–127 Output Level

Parameter Value Description

Balance W

L in

R in

L out

R out

Hexa Chorus

Balance D

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