55
Pitch/pulse width DRE
This DRE can sweep the pitch and/or the pulse width of the note. Pulse
width can only be modulated if the pulse waveform is selected. There are
separate devices for selecting whether the pitch and/or pulse width are to
be swept.
There are three independent sections each of which are specified by a step
height (or rate) and a number of steps (section length). There is an overall
step time which governs the actual rate of change of the pitch/pulse width
with time. The smaller the step time the greater the rate of change.
A DRE section is ignored if the step number is zero. Each section follows
on from the next.
Select box
[
]
=
↑
Sweep pitch
off
on
4
2
10
1
-27
4
1
Sweep
pulsewidth
off
on
Repeat pattern
off
on
Steptime
Rate
Steps
2
10
-4
5
10
0
Pitch change with DRE active
initial
pitch of
note
10 steps
5 steps
no further change
1
2
