.-"'-
Section 4 - Algorithms
REVERSE REVERB
00
- Reverse Reverb produces a reverberation that gradually increases, simulating a backwards
sound
with
a
maximum
duration
of several seconds.
When
a signal enters this algorithm, the
plate reverb (from which this algorithm is derived) is almost instantaneously
turned
on,
and
then
the
output
volume is
ramped
up. This algorithm will only trigger one time. Reverse Reverb is
triggered
by
an
input
signal level (threshold) determined
by
the user. Once triggered the reverse
envelope will proceed to completion,
and
will ignore
subsequent
trigger levels.
If
you
are
looking for a reverse effect
that
will retrigger,
try
using
the
Reverse Reverb
2.
The topology of the
Reverse Reverb
is similar to the Plate Reverb.
The
parameters
available for this algorithm are:
01-Mix
02-Volume
See
the
descriptions
under
the Mix
and
Volume Parameters,
found
earlier
in
this section.
LEVEL
TIME
03
- Envelope Hold Time
Range: 1 ms to 10.0s
This
parameter
controls the
amount
of time that the reverse
will
sound
after it has
been
triggered.
Rule of thumb:
Don't
set the
hold
time
much
longer
than
the
attack time (see
diagram
above).
04 - Envelope Attack Range: 1 ms to 10.0s
This
parameter
sets the
duration
over
which the reverb builds.
It
is recommended that
you
set
this
value
less
than
the
hold
time (parameter
03).
05 - Envelope Release
Range: 1 ms to 10.0s
This
parameter
determines the release time after the
hold
time
has
elapsed. Generally this time is
very short. Lower values offer
an
abrupt
cutoff.
ENSONIQ DP/4 Musician's Manual 63
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