Propellerhead Reason - 2.0 Instrukcja Operacji Pobierz pdf (Strona 216)

The Effect Devices

214

The Filter Parameters

The ECF-42 filter section has the following parameters:

The Envelope Parameters

This is a standard envelope generator with Attack, Decay, Sustain and Release

parameters. It is triggered by a gate signal connected to the Env Gate input on

the back panel, or by MIDI notes on a sequencer track connected to the ECF-

42. The parameters have the following functionality:

The Gate indicator lights up when the device receives a signal to the

Env. Gate input on the back panel or a MIDI note from a sequencer

track.

CV/Gate Inputs

On the back panel of the ECF-42, you can find the following CV/Gate inputs:

Freq CV.

Use this for controlling the filter frequency from another device. For smooth

filter modulation, try connecting an LFO to this input.

Decay CV.

For controlling the envelope decay parameter from another device.

Res CV.

Allows you to control the filter resonance from another device. Can be very

effective in combination with filter frequency sweeps.

Env. Gate.

This is where you connect a gate signal (e.g. from a Matrix or Redrum de-

vice) for triggering the envelope.

Parameter

Description

Mode This button sets the desired filter mode. Three modes are avail-

able: 24dB/octave lowpass, 12dB/octave lowpass and 12dB/

octave bandpass.

Freq This is the filter cutoff frequency.

When using the ECF-42 in “static” mode (without triggering

the envelope), this parameter adjusts the frequency content of

the sound.

When using the envelope, the Freq parameter serves as the

start and end frequency for the filter sweep.

Res This is the filter resonance. Raising this produces a more ex-

treme, “synthy” effect.

Env Amt Determines how much the filter frequency should be affected

when the envelope is triggered. The higher the value, the more

drastic the effect.

Note though, that if the Freq parameter is set high, raising the

Envelope Amount will not make any difference over a certain

value! This is because the filter is already fully opened - try low-

ering the Freq parameter in that case.

Velocity This parameter determines how much the gate velocity value

should affect the envelope amount.

Parameter

Description

A (Attack) When the envelope is triggered, this is the time it takes be-

fore the envelope signal reaches its max value.

D (Decay) After reaching its max value, this is the time it takes for the

envelope signal to reach the sustain level.

S (Sustain) If the gate remains open (or the MIDI note is held), the enve-

lope signal will remain on this level.

R (Release) When the gate is closed (gate CV goes back to 0) or the

MIDI note ends, this is the time it takes for the envelope sig-

nal to drop from its current value to the start value (set by the

Freq parameter).

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