Yamaha EL-500 Owner's Manual - Page 119

Envelope Parameters, Feedback

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Envelope Parameters By using the modulators and setting them to various output levels, you can create all kinds of sounds. These sounds will be static, however, unless you have the output levels change in time. That is precisely what an envelope does. It varies the output of an Operator in time so that you can vary the tone or the level. If the output of the modulator changes, the tone will change. If the output level of the carrier changes, the volume will change. 23 AR D1R 5 6 D2R RR 1 OUTPUT LEVEL 4 D1L Key on Key off Feedback The output of a modulator can also be circled back to its input, allowing it to modulate itself as well as the Operator below it. This is called feedback, and it adds harmonic complexity to the tone. Operators using feedback are indicated by a line that encircles the right side of the Operator. Feedback cannot be directly controlled; however, you can adjust the parameters of Operators that have 8 feedback to change the characteristics of the feedback sound. Voice Edit 119

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119
Voice Edit
8
Envelope Parameters
By using the modulators and setting them to various output levels, you
can create all kinds of sounds.
These sounds will be static, however,
unless you have the output levels change in time.
That is precisely what
an envelope does.
It varies the output of an Operator in time so that you
can vary the tone or the level.
If the output of the modulator changes,
the tone will change.
If the output level of the carrier changes, the
volume will change.
Key on
Key off
AR
D1R
D1L
D2R
RR
OUTPUT
LEVEL
2
3
4
1
5
6
Feedback
The output of a modulator can also be circled back to its input,
allowing it to modulate itself as well as the Operator below it.
This is
called feedback, and it adds harmonic complexity to the tone.
Operators using feedback are indicated by a line that encircles the
right side of the Operator.
Feedback cannot be directly controlled;
however, you can adjust the parameters of Operators that have
feedback to change the characteristics of the feedback sound.