SQ-80 — Musician's Manual
[ENV 1] ENVELOPE PAGE
[ENV 2]
[ENV 3]
[ENV 4]
Controls the parameters of the four Envelopes.
The format of the Envelope Page is the same for [ENV 1], [ENV 2], [ENV 3] and [ENV 4], although
each Page is independent. The Envelopes are used as Modulators, and may be applied wherever a
Modulation Source is selected.
All Envelope parameters are expressed in terms of TIME and LEVEL. It is important to note that the
Time components of the Envelopes ([T1], [T2], [T3], and [T4]) each define a fixed Time
, not a Rate.
Thus, if you raise the value of LEVEL 1 but leave TIME 1 the same, the Envelope will still take the same
amount of Time to reach the new, higher,
LEVEL 1,
Also note that the Level parameters can be positive or negative. This allows for a wide variety of
Envelope shapes, especially useful for modulating the Filter Frequency, the pitch of an Oscillator, etc.
The
SQ-80's four Envelopes feature a special Second Release mode, which can be used to create a
Simulated Reverb effect within the Program, particularly when used on Envelope 4. Setting T4 to any
value which is followed by an "R" calls the Second Release into play. (See
"Second Release" in the
revious Section for more details,)
ACTIVE CONTROLS:
1. Li - LEVEL 1
This is the LEVEL that the Envelope will reach at the end of the Time defined by TIME 1. All
Envelopes start at a level of Zero and proceed toward LEVEL 1 when a key is pressed.
Range:
-63 To +63.
2. L2 - LEVEL 2
The LEVEL that the Envelope will reach at the end of TIME 2.
Range:
-63 To +63.
Section 3 — Voice Programming 65
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