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Using Wave Sequences Modulating Wave Sequences
157
2. In the dialog box, set the Expand/Compress %
parameter as desired.
100% means the current duration and crossfade times.
Values 99 and below make the times shorter, and
values 101 and above make them longer.
3. Press the OK button.
The step durations and crossfade times will be
adjusted by the selected percentage.
Note: the Exp/Comp button appears only when the
Mode is set to Time.
You can also stretch and compress Wave Sequences in
real-time, via AMS. For more information, see
“Duration modulation” on page 157.
Modulating Wave Sequences
Position modulation
Position modulation lets you offset the Wave Sequence
from the current step. If Run is turned On, The Wave
Sequence will continue to progress through its steps
during modulation, kind of like fast-forwarding while
playing a tape or CD.
To sweep through a sequence manually, creating the
distinctive sound of a famous German synthesizer:
1. Set Run to Off.
This means that the Wave Sequence will stay on the
current step, until you modulate the position.
2. Under Modulation and Position, select an AMS
source, such as the ribbon or an EG.
3. Set the Intensity to a positive value to move
forward through the steps, or a negative value to
move backwards.
For instance, if Intensity is set to +14, the maximum
amount of modulation will move 14 steps forward in
the Wave Sequence.
Position modulation and loops
Position AMS affects only the current step, and does
not change the loop start or loop end. This means that
Position AMS can make the Wave Sequence jump into
the middle of the loop, or jump back out of the loop
again.
Duration modulation
Duration modulation lets you dynamically control the
step duration and crossfade times. You can speed up or
slow down the Wave Sequence so that it runs between
1% and 400% of the original rate.
By using Velocity, key tracking, or note number as the
AMS source, you can make the Wave Sequences on
every note have slightly different timing (or
dramatically different timing, for that matter!) This can
be very useful for making a cross-faded Wave
Sequence sound more organic. For instance, to make
the Wave Sequence move faster when you play at
higher velocities:
1. Go to the Sequence Parameters page.
2. Under Modulation and Duration, select Velocity
as the AMS source.
3. Set the Intensity to a value less than 100%, such as
90%.
Values below 100% make the durations shorter, so the
Wave Sequence moves more quickly. Values above
100% make the durations longer, so the sequence
moves more slowly.
Start Step modulation
You can use a MIDI controller, such as Velocity, to
select a different start step for each note, to introduce
more variety into the timbre. You can move the start
step either forwards or backwards. For instance:
1. Make sure that Note-On Advance is Off.
When Note-On Advance is On, Start Step modulation
is disabled.
2. Set the Start Step to 10, and the End Step to 25.
3. Set the Loop Start and Loop End to the same
points –10 and 25.
The sequence will now loop through 16 steps, from 10
to 25.
4. Set the Start Step AMS (to the right of the Start
Step parameter) to Velocity.
5. Set the Intensity to –9.
Playing at the highest velocities will now start the
sequence at step 1 (moving it forward by 9 steps); at
the lowest velocities, the sequence will still start at step
10.
In general, negative modulation moves the Start Step
earlier in the sequence, to the limit of Step 1. Positive
modulation moves the Start Step later in the sequence,
to the limit of the End Step.
Note-On Advance
This feature lets you advance the start point of the
Wave Sequence by one step with each new note-on. If
Loop Repeats is not set to Off, Note-On Advance will
step through the loop, paying attention to the loop
direction and number of repeats.
For instance, let’s say that the Wave Sequence Start
Step is 2, and the End Step is 6. Also, the Loop Start is
set to 3, the Loop End is set to 5, and the Loop
Direction is set to Forward.
If Repeat Times is Off, Note-On Advance will make
the Wave Sequence play as follows:
1st note: 2, 3, 4, 5, 6
2nd note: 3, 4, 5, 6
3rd note: 4, 5, 6
4th note: 5, 6
5th note: 6