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PROGRAMMING BASICS
30
Proteus operation manual
level
time
key
down
A
H
D
S
R
key
released
D
Envelope Generators
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 Proteus contains
two envelope generators. One of the envelope generators, the Alternate
Volume Envelope, controls the volume of the primary or secondary
instrument 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 Envelope parameters can be described as follows:
■
Delay
-
The time between when a key is played and when the attack
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.
■
Decay
-
The time it takes the envelope to go from the peak level to the
sustain level.
■
Sustain
-
The level at which the envelope remains as long as a key is
held down.
■
Release
-
The time it takes the envelope to fall to the zero level after the
key is released.
Percussion
Organ
String
Plucked
■
The generalized
envelope shapes
of a few types of
sounds are shown
above.
Summary of Contents for Proteus
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Page 5: ...Proteus operation manual 5 INTRODUCTION Introduction ...
Page 6: ...Proteus operation manual 6 ...
Page 13: ...11 Proteus operation manual BASICOPERATION Basic Operation ...
Page 14: ...12 Proteus operation manual ...
Page 27: ...PROGRAMMINGBASICS 25 Proteus operation manual Programming Basics PROGRAMMING BASICS ...
Page 28: ...PROGRAMMINGBASICS 26 Proteus operation manual ...
Page 41: ...EDITMENU 39 Proteus operation manual Edit Menu EDIT MENU ...
Page 42: ...EDITMENU 40 Proteus operation manual ...
Page 63: ...61 Proteus operation manual PROGRAMMING PROTEUS Programming Proteus ...
Page 64: ...62 Proteus operation manual ...
Page 75: ...73 Proteus operation manual Reference REFERENCE SECTION ...
Page 87: ...85 Proteus operation manual PROTEUS 1 Plus 2 PRESETS and INSTRUMENTS ...
Page 92: ...90 Proteus operation manual ...
Page 93: ...91 Proteus operation manual PROTEUS 2 PRESETS and INSTRUMENTS ...
Page 104: ...Proteus operation manual 102 ...
Page 105: ...Proteus operation manual 103 PROTEUS 3 PRESETS and INSTRUMENTS ...