E-Mu Morpheus Specifications download pdf (Page 186)

176 E-MU Systems

Effects

Effect Types

Decay

The Decay parameter is used when setting “A” type effects. Decay sets the

length of time it takes an effect to fade out. When setting up reverb effects,

Decay controls the room size and the reﬂectivity of the room. For larger

room sizes and greater reﬂectivity, set the Decay value higher. When setting

up delay effects, the Decay parameter controls how many echoes are

produced or how long the echoes last. The greater the value, the more

echoes and longer lengths of time. The Decay value range is from 0 through

90.

High Frequency Damping

The HF Damping parameter is used when setting “A” type effects. High

Frequency energy tends to fade away ﬁrst as a sound is dissipated in a room.

the HF Damping parameter adjusts the amount of damping applied to the

signal’s high frequency elements which, in turn, changes the characteristics

of the room. Rooms with smooth, hard surfaces are more reﬂective and

have less high frequency damping. Rooms ﬁlled with sound absorbing

materials, such as curtains or people, have more high frequency damping.

The value range for High Frequency Damping is from 0 through 127.

Feedback

The Feedback parameter is used when setting “B” type effects. The Chorus

and Flange effects have a controllable feedback loop after the delay

element. Feeding back a small amount of the signal intensiﬁes the effect by

creating multiple cancellations or images. Higher feedback values increase

the amount of the Feedback loop. The Feedback value range is from 0 to

127.

LFO Rate

The LFO Rate parameter is used when setting “B” type effects. Both Chorus

and Flange effects use a Low Frequency Oscillator (LFO) to animate the

effect. LFO applied to a chorus effect creates the slight changes necessary

for a realistic choral effect. Applied to a ﬂanger effect, the LFO moves the

comb ﬁlter notches and adds animation to the sound. The LFO Rate value

range is from 0 to 127.

Delay

Flanging, chorus and echoes are all based on a delay line where the signal is

delayed by some time period and then mixed back with the unaltered

signal. This parameter speciﬁes the how much time passes before you hear

the delayed signal. On some effects, this value cannot be changed. In this

case, the ﬁeld contains a dash. The Delay value range is from 0ms to 635ms.

Synchronize the delay time to the master clock by setting the delay time

below zero. The delay time can be set to any of the standard clock divisors

(listed on page 50) in order to lock the echos to the beat of the song.

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E-Mu Morpheus Specifications Page 186

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