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0130: compressor, 0131: limiter, 0142: stereo chorus – Roland MIDI Implementation DP990F User Manual

Page 23: 0140: hexa chorus, 0141: tremolo chorus

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0130: Compressor

Flattens out high levels and boosts low levels, smoothing out fluctuations in

volume.

No

Parameter

Value

Description

1 Attack

#2

0-127 0-127

Sets the speed at which

compression starts

2 Threshold

#1

0-127 0-127

Adjusts the volume at which

compression begins

3

Post Gain

0-18

0 - +18 dB

Adjusts the output gain.

4

Low Gain

0-30

-15 - +15 dB

Gain of the low frequency range

5

High Gain

0-30

-15 - +15 dB

Gain of the high frequency range

6 Level

0-127 0-127

Output

level

0131: Limiter

Compresses signals that exceed a specified volume level, preventing distortion

from occurring.

No

Parameter

Value

Description

1 Release

0-127 0-127

Adjusts the time after the signal

volume falls below the Threshold

Level until compression is no

longer applied.

2 Threshold

#1

0-127 0-127

Adjusts the volume at which

compression begins

3 Ratio

#2

0-3

1.5:1, 2:1, 4:1,

100:1

Compression ratio

4

Post Gain

0-18

0 - +18 dB

Adjusts the output gain.

5

Low Gain

0-30

-15 - +15 dB

Gain of the low frequency range

6

High Gain

0-30

-15 - +15 dB

Gain of the high frequency range

7 Level

0-127 0-127

Output

level

0142: Stereo Chorus

This is a stereo chorus. A filter is provided so that you can adjust the timbre of

the chorus sound.

No

Parameter

Value

Description

1

Filter Type

0-2

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

2

Cutoff Freq

0-16

200-8000 Hz

Basic frequency of the filter

3

Pre Delay

0-125

0.0-100.0 ms

Adjusts the delay time from the

direct sound until the chorus

sound is heard.

4

Rate Mode

0-1

Hz, note

When this is set to “note,” the

effect is synchronized with the

tempo.

5

Rate #1

1-127

0.05-10.00 Hz

Frequency of modulation (Hz)

6

Rate

0-21

note

Frequency of modulation (note)

7 Depth

#2

0-127 0-127

Depth of modulation

8

Phase

0-90

0-180 deg

Spatial spread of the sound

9

Low Gain

0-30

-15 - +15 dB

Gain of the low range

10

High Gain

0-30

-15 - +15 dB

Gain of the high range

11 Balance

0-100

D100:0W -

D0:100W

Volume balance between the direct

sound (D) and the chorus sound

(W)

12 Level

0-127 0-127

Output

Level

0140: Hexa Chorus

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

spatial spread to the sound.

No

Parameter

Value

Description

1

Pre Delay

0-125

0.0-100.0 ms

Adjusts the delay time from the

direct sound until the chorus

sound is heard.

2

Rate Mode

0-1

Hz, note

When this is set to “note,” the

effect is synchronized with the

tempo.

3

Rate #1

1-127

0.05-10.00 Hz

Frequency of modulation (Hz)

4

Rate

0-21

note

Frequency of modulation (note)

5 Depth

#2

0-127 0-127

Depth of modulation

6

Pre Delay Deviation

0-20

0-20

Adjusts the differences in Pre

Delay between each chorus

sound.

7

Depth Deviation

0-40

-20 - +20

Adjusts the difference in

modulation depth between each

chorus sound.

8 Pan

Deviation

0-20 0-20

Adjusts the difference in stereo

location 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.

9 Balance

0-100

D100:0W -

D0:100W

Volume balance between the direct

sound (D) and the chorus sound

(W)

10 Level

0-127 0-127

Output

Level

0141: Tremolo Chorus

This is a chorus effect with added Tremolo (cyclic modulation of volume).

No

Parameter

Value

Description

1

Pre Delay

0-125

0.0-100.0 ms

Adjusts the delay time from the

direct sound until the chorus

sound is heard.

2

Chorus Rate Mode

0-1

Hz, note

When this is set to “note,” the

effect is synchronized with the

tempo.

3

Chorus Rate

1-127

0.05-10.00 Hz

Modulation frequency of the

chorus effect (Hz)

4 Chorus

Rate

0-21 note

Modulation frequency of the

chorus effect (note)

5

Chorus Depth #1

0-127

0-127

Modulation depth of the chorus

effect

6

Tremolo Rate Mode

0-1

Hz, note

When this is set to “note,” the

effect is synchronized with the

tempo.

7

Tremolo Rate #2

1-127

0.05-10.00 Hz

Modulation frequency of the

tremolo effect (Hz)

8 Tremolo

Rate

0-21 note

Modulation frequency of the

tremolo effect (note)

9

Tremolo Separation

0-127

0-127

Spread of the tremolo effect

10

Tremolo Phase

0-90

0-180 deg

Spread of the tremolo effect

11 Balance

0-100

D100:0W -

D0:100W

Volume balance between the direct

sound (D) and the tremolo chorus

sound (W)

12 Level

0-127 0-127

Output

Level