Parameter: Amplitude Level Track
Displayed As: AmpLvlTk
Default value: 0
Range of adjustment: -64 to +63
This parameter works in a similar way to the other “tracking” parameters Attack Track and
Decay Track, but it is the volume of the note which is changed, according to the interval
between it and the Level Track Note (see below). With a positive value, notes higher than
the Track Note get progressively louder the further from the Track Note they are, and vice-
versa. With a negative value, notes higher than the Track Note get progressively quieter
the further from the Track Note they are, and again, vice-versa. Note that this volume
modification is applied to all phases of the amplitude envelope equally; it is the overall
volume of the note which changes with Amp Level Track. The effect should be used
sparingly; low values have a better effect.
Note that although Amplitude Level Track appears to operate in a very similar
manner to Amplitude Attack Track and Amplitude Decay Track, only
Amplitude Level Track uses a user-definable note as the reference (set by Level
Track Note), above which, for positive values, notes get louder, and below which they get
softer. With negative values, the inverse relationship will apply.
Common Envelope Parameter
Parameter: Level Track Note
Displayed As: LvlTkNte
Default value: C3
Range of adjustment: C-2 to G8
This parameter is common to all the envelopes. This sets the reference note used for all
Level Track parameters, including Amp Level Track. When active, this parameter increases
the volume for notes above the chosen Track Note, and reduces it for notes below it. C 3,
the default value, is Middle C on the keyboard; this is the C one octave above the lowest
note on the keyboard (also C), providing no OC TAVE buttons [24] are selected.
Filter Envelope
The following parameters apply only to the Filter Envelope, and will be available if Env n
(page 20) is set to Fltr Env.
The 16 parameters available for adjustment with the Filter Envelope closely match those
for the Amplitude Envelope. Whereas the Amplitude Envelope is concerned with modifying
the sound’s amplitude, the Filter Envelope gives you “dynamic” filtering, by establishing
a relationship between the filter section and ADSR Filter Envelope, resulting in the filter
frequency being varied by the shape of the envelope.
In order to hear the effect of any of the Filter Envelope parameters, you will first
need to go to the Filter Menus and set up some filtering. Then set F1Env2 or
F2Env2 to an initial value of approx. +30 and ensure that the filter is not fully open
– i.e., set F1Freq to mid-range.
Parameter: Filter Attack Time
Displayed As: FltAtt
Default value: 2
Range of adjustment: 0 to 127
This parameter sets how the filter section acts during the note’s Attack phase. The higher
the value, the longer it takes for the filter to react during this phase.
P
FltAtt can be also adjusted directly from Row 4 of the PERFORM section
of the control panel with Tweak Control RC1.
Parameter: Filter Decay Time
Displayed As: FltDec
Default value: 75
Range of adjustment: 0 to 127
This parameter sets how the filter section acts during the note’s Decay phase. Again, the
higher the parameter value, the longer the period for which filtering is applied.
P
FltDec can be also adjusted directly from Row 4 of the PERFORM section
of the control panel with Tweak Control RC2.
Parameter: Filter Sustain Level
Displayed As: FltSus
Default value: 35
Range of adjustment: 0 to 127
The frequency of the filter (cut-off or centre, depending on filter type) “settles” at a value
set by the Filter Sustain Level. Thus, once the Attack and Decay stages of the envelope
are completed, the harmonic content that will be most evident in the sound will be
determined by this parameter. Remember that if the filter frequency parameter (as set in the
Filter Menu) is set at a too low or too high a value, the envelope’s effect will be limited.
P
FltSus can be also adjusted directly from Row 4 of the PERFORM section
of the control panel with Tweak Control RC3.
Parameter: Filter Release Time
Displayed As: Flt R el
Default value: 45
Range of adjustment: 0 to 127
As Filter Release is increased in value, the note undergoes increasingly more filter action
once the key is released.
Note that the Amplitude Release time (adjusted in the Amplitude Envelope
submenu) must be set sufficiently high to produce an audible “fade-out” before
the effect of filtering on the “tail” of the note is evident.
Parameter: Filter Velocity
Displayed As: FltVeloc
Default value: 0
Range of adjustment: -64 to +63
As Amplitude Velocity adds touch sensitivity to volume, so Filter Velocity can be set to
make filter action touch sensitive. With positive parameter values, the harder you play the
keys, the greater will be the effect of the filter. With Filter Velocity set to zero, the sound’s
characteristics are the same regardless of how the keys are played. Note that negative
values have the inverse effect.
Parameter: Filter Repeat
Displayed As: FltRept
Default value: Off
Range of adjustment: Off, 1-126, KeyOff
When Filter Repeat is set to a value other than Off, the Attack and Decay phases of the
envelope are repeated before the Sustain phase is initiated. This has a similar effect to
Amplitude Repeat and use of either or both repeat parameters can create some quite
striking sounds.
Parameter: Filter Touch Trigger
Displayed As: FltT Trig
Default value: Off
Range of adjustment: Off, T1ReTrig…T8ReTrig, T1Triggr…T8Triggr,
T1Enable…T8Enable
Unlike Amplitude Touch Trigger, Filter Touch Trigger has three options per Pad
control: Trigger, Re-trigger and Enable. However, as with Amplitude Touch Trigger, it
is necessary to enable the ANIMATE mode for the Pads to be operative (see “Using the
Pads as performance controls” on page 7).
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