Propellerhead Reason - 1.0.1 Provozní příručka stáhnout pdf (Strana 164)

THE EFFECT DEVICES

162

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 Re-

lease 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

device) for triggering the envelope.

Parameter

Description

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

available: 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 af-

fected 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 lowering 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 en-

velope 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

signal to drop from its current value to the start value (set

by the Freq parameter).

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