Roland VS-1680 User Manual download pdf (Page 115)

NS (Noise Suppressor)

The noise suppressor leaves the original sound

unmodified, but mutes only the noise during the silent

intervals.

Sw (Switch)

Turn the Noise Suppressor on/off.

Thresh (Threshold)

Adjust the level at which the noise suppressor will

begin to take effect. When the signal drops below the

specified level, it will be muted.

Release

Adjust the time over which the volume will drop to 0

after the noise suppressor begins to take effect.

Wah (Auto Wah)

Wah is an effect that modifies the frequency character-

istics of a filter over time, producing a unique tone.

The wah effect can change in relation to the volume of

the input signal, and/or cyclically.

Sw (Switch)

Turn the Auto Wah on/off.

Mode

Select either BPF (band pass filter) or LPF (low pass fil-

ter). When BPF is selected, the wah effect will be pro-

duced in a narrow frequency range. When LPF is

selected, the wah effect will be produced in a wide fre-

quency range.

Pol (Polarity)

When using the volume of the input signal to control

the wah effect, this setting determines whether the fre-

quency of the filter will be moved upward (Up) or

downward (Down).

Sens (Sensitivity)

When using the volume of the input signal to control

the wah effect, this adjusts the sensitivity. As this

value is increased, the response to the input level will

become stronger. If you do not want the volume of the

input sound to affect the wah effect, set this to 0.

Freq (Frequency)

Adjust the frequency at which the wah effect will

apply.

Peak

Adjust the degree to which the wah effect will apply

to the region around the center frequency. With lower

values, the wah effect will affect a broad area around

the center frequency. With higher values, the wah

effect will affect a narrow area around the center fre-

quency.

Rate

Adjust the rate at which the wah effect will be cyclical-

ly modulated.

Depth

Adjust the depth at which the wah effect will be cycli-

cally modulated. If you do not want the wah effect to

be cyclically modulated, set this to 0.

Level

Adjust the volume.

Sim (Guitar Amp Simulator)

This effect simulates a guitar amp.

Sw (Switch)

Turn the Guitar Amp Simulator on/off.

Mode

Select the Guitar Amp

Small: small amp

Built In: a built-in type amp

2 Stack: a large two-level amp stack

3 Stack: a large three-level amp stack

Flg (Flanger)

A flanger produces a “sweeping” effect somewhat like

the sound of a jet airplane taking off and landing.

Sw (Switch)

Turn the Flanger on/off.

Pol (Polarity)

Select whether the left and right phase of the modula-

tion will be the same or the opposite.

Inv: The left and right phase will be opposite. When

inputting a mono source, this spreads the sound.

Sync:The left and right phase will be the same. Select

this when inputting a stereo source.

Function of Each Effect Parameter

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Roland VS-1680 User Manual Page 115

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