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Korg Microkorg Owner's Manual - zZounds.com

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7. FILTER EG — SYNTH<br />

Here you can make settings for the filter EG, which applies time-variant change to the tone (➝Figure 7-1). Make these settings to specify the<br />

"shape" of the EG, and use the FILTER parameter "FILTER EG INT" to specify the amount of effect that the EG will have (➝p.24). By making<br />

FILTER EG settings, you can make the tone change as time passes. Create the desired tonal curve by adjusting the ADSR parameters;<br />

ATTACK (knob 1), DECAY (knob 2), SUSTAIN (knob 3), RELEASE (knob 4).<br />

For details on how an EG (Envelope Generator) works, refer to AMP EG (➝p.28).<br />

You can use the FILTER EG as a Virtual Patch source modulate a parameter other than the filter cutoff frequency. (➝p.30)<br />

ATTACK [0...127]<br />

Specifies the time from note-on<br />

(when the key is pressed) until the<br />

attack level (maximum value of the<br />

envelope) is reached.<br />

Figure 7-1<br />

Cutoff<br />

Attack Level<br />

0<br />

Note on<br />

[1]<br />

[2]<br />

[3]<br />

Note off<br />

DECAY [0...127]<br />

Specifies the time from when the attack<br />

level is reached until the sustain<br />

level (SUSTAIN) is reached.<br />

[4]<br />

[1]: Attack Time [3]: Sustain Level<br />

[2]: Decay Time [4]: Release Time<br />

Time<br />

SUSTAIN [0...127]<br />

Specifies the cutoff frequency that<br />

will be maintained after the decay<br />

time has elapsed, until you release<br />

the key.<br />

RELEASE [0...127]<br />

Specifies the time from note-off<br />

(when the key is released) until the<br />

level reaches 0.<br />

Filter EG and Amplifier EG<br />

When the Filter EG changes the cutoff frequency, the tone will change.<br />

However depending on the volume changes produced by the Amplifier<br />

EG, this can be heard in different ways. For example by changing the<br />

speed at which the tone and volume begin (attack) or decay, you can<br />

significantly vary the character of the tonal change. It is a good idea to<br />

adjust the changes of both the Filter EG (tone) and the Amplifier EG<br />

(volume) as you proceed with editing.<br />

EG RESET<br />

[OFF, ON]<br />

Specifies whether or not the EG will<br />

be reset for the second and subsequent<br />

note-on. If a new note is<br />

played before the previous note has<br />

finished its release stage, the envelope<br />

can either start over from zero,<br />

or continue from the current value.<br />

OFF ( ):<br />

The note will start from the current<br />

EG level.<br />

ON ( ):<br />

The second note-on will start from<br />

a level of 0.<br />

OFF<br />

ON<br />

Note on<br />

Note off<br />

Note on (Retrigger)<br />

The "EG RESET" parameter is<br />

only available if "VOICE AS-<br />

SIGN" is set to Poly, or if "VOICE<br />

ASSIGN" is set to Mono or Unison<br />

and "TRIGGER" is set to<br />

Multi.<br />

26

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