Emax II operation manual
156
DYNAMIC PROCESSING 14 FILTER ENVELOPE
This function sets the attack, decay, sustain, and release characteristics of the
filter AHDSR envelope generator.
Application: Change the filter cutoff frequency dynamically over time.
1. Activate DYNAMIC PROCESSING 14. The display will say:
F: A H D S R
XX XX XX XX XX
...where XX is a two-digit numeral between 00 and 32.
Hint: Filter and VCA settings interact. For example, if the VCA is set for an extremely
short decay and 0 sustain level, then you won’t hear the effects of setting a long filter
decay.
2. Select the desired parameter for adjustment with the cursor buttons, then use the data
slider to change the parameter value.
The envelope generators for the VCA and Filter are identical. Refer to the AHDSR
diagram for the VCA as you read the following descriptions of the five parameters.
■ A (Attack): Varies the Filter envelope attack time from 01 to 32 (higher values increase
the attack time).
■ H (Hold): Sets the duration of the peak attained during the attack phase. If a key is held
down longer than the hold duration, the decay phase will begin. If a key is released
during the hold duration, the release phase will begin.
■ D (Decay): Varies the initial decay time from 01 to 32 (higher values increase the initial
decay time). 32 gives “infinite decay” (envelope stays at maximum amplitude for as long
as you hold down keys).
■ S (Sustain): Varies the envelope sustain level from 01 to 32 (higher values give higher
sustain levels).
■ R (Release): Varies the release time from 01 to 32 (higher values increase the release
time). A setting of 32 inhibits the release phase of the envelope, thus keeping the Filter
open at the previously selected Sustain level. This is useful if you want to trigger a long
sound by simply tapping a key.
3. After making your selections, press ENTER to return to the module identifier.
DYNAMIC PROCESSING
Filter Envelope
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