Roland Prelude User Manual download pdf (Page 76)

In addition to a Lo-Fi effect, this effect also generates radio noise.

fig.MFX-58

fig.MFX-59

Simulates a sound recorded on an analog record and played back on a

record player. This effect also simulates the various types of noise that are

typical of a record, and even the rotational irregularities of an old turntable.

fig.MFX-60

A stereo pitch shifter.

fig.MFX-61

58: LOFI RADIO

Parameter Value Description

LoFi Type 1–9

Degrades the sound quality. The sound qual-

ity grows poorer as this value is increased.

Filter Type

OFF, LPF,

HPF

Type of filter

OFF: no filter is used

LPF: cuts the frequency range above the

Cutoff

HPF: cuts the frequency range below the

Cutoff

Filter Cutoff 200–8000 Hz Basic frequency of the Post Filter

Radio

Detune

0–127

Simulates the tuning noise of a radio. As this

value is raised, the tuning drifts further.

Radio Noise

Level

0–127 Volume of the radio noise

Balance

D100:0W–

D0:100W

Volume balance between the direct sound

(D) and the effect sound (W)

Level 0–127 Output level

59: TELEPHONE

Parameter Value Description

Voice

Quality

0–15 Audio quality of the telephone voice

Treble -15– +15 dB Bandwidth of the telephone voice

Balance

D100:0–

D0:100W

Volume balance between the direct sound

(D) and the effect sound (W)

Level 0–127 Output level

60: PHONOGRAPH

R in

R out

L in

L out

Lo-Fi

Radio

2-Band

L in

R in

L out

R out

Telephone

L in

R in

Phonograph

L out

R out

Balance W

Balance D

Parameter Value Description

Signal

Distortion

0–127 Depth of distortion

Frequency

Range

0–127

Frequency response of the playback system

Decreasing this value will produce the im-

pression of an old system with a poor fre-

quency response.

Disc Type LP, EP, SP

Rotational speed of the turntable

This will affect the frequency of the

scratch noise.

Scratch

Noise

Level

0–127

Amount of noise due to scratches on the

record

Dust Noise

Level

0–127 Volume of noise due to dust on the record

Hiss Noise

Level

0–127 Volume of continuous “hiss”

Total Noise

Level

0–127 Volume of overall noise

Wow 0–127 Depth of long-cycle rotational irregularity

Flutter 0–127 Depth of short-cycle rotational irregularity

Random 0–127

Depth of indefinite-cycle rotational irregular-

ity

Total Wow/

Flutter

0–127 Depth of overall rotational irregularity

Balance

D100:0W–

D0:100W

Volume balance between the direct sound

(D) and the effect sound (W)

Level 0–127 Output level

61:

PITCH SHIFTER

(Feedback Pitch Shifter)

Parameter Value Description

Coarse -24– +12 semi

Adjusts the pitch of the pitch shift-

ed sound in semitone steps.

Fine -100– +100 cent

Adjusts the pitch of the pitch shift-

ed sound in 2-cent steps.

Delay Time 0–1300 ms, note

Adjusts the delay time from the

direct sound until the pitch shifted

sound is heard.

Feedback -98– +98%

Adjusts the proportion of the

pitch shifted 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 di-

rect sound (D) and the pitch shift-

ed sound (W)

Level 0–127 Output Level

L in

R in

Pitch Shifter

L out

R out

2-Band EQ

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