E-Mu orbit v2 Manual De Usuario
Orbit V2 Operation Manual
40
PROGRAMMING BASICS
ENVELOPE GENERATORS
An envelope can be described as a “contour” which can be used to
shape the sound in some way over time. Each channel of the Orbit
contains two envelope generators. One of the envelope generators, the
Alternate Volume Envelope, controls the volume of the primary or
secondary instrument over time and has 5 stages, Attack, Hold, Decay,
Sustain, and Release. The other envelope, the Auxiliary Envelope, can
be routed to any realtime control destination and is a general purpose
envelope. The Auxiliary Envelope has 6 stages: Delay, Attack, Hold,
Decay, Sustain, and Release. The time of each stage can be adjusted to
create myriad envelope shapes, which in turn shape the sound. The
Envelope parameters can be described as follows:
shape the sound in some way over time. Each channel of the Orbit
contains two envelope generators. One of the envelope generators, the
Alternate Volume Envelope, controls the volume of the primary or
secondary instrument over time and has 5 stages, Attack, Hold, Decay,
Sustain, and Release. The other envelope, the Auxiliary Envelope, can
be routed to any realtime control destination and is a general purpose
envelope. The Auxiliary Envelope has 6 stages: Delay, Attack, Hold,
Decay, Sustain, and Release. The time of each stage can be adjusted to
create myriad envelope shapes, which in turn shape the sound. The
Envelope parameters can be described as follows:
• Delay
The time between when a key is played and when the attack
phase begins.
phase begins.
• Attack
The time it takes to go from zero to the peak (full) level.
• Hold
The time the envelope will stay at the peak level before starting
the decay phase.
the decay phase.
• Decay
The time it takes the envelope to go from the peak level to the
sustain level.
sustain level.
• Sustain
The level at which the envelope remains as long as a key is held
down.
down.
• Release
The time it takes the envelope to fall to the zero level after the
key is released.
key is released.
Percussion
Organ
String
Plucked
••• The generalized envelope
shapes of a few types of
sounds are shown above.
shapes of a few types of
sounds are shown above.
D
e
l
a
y
level
time
key
down
down
A
t
t
a
c
k
H
o
l
d
D
e
c
a
y
Sustain
R
e
l
e
a
s
e
key
released