Yamaha REV7 REV7 Owners Manual Image - Page 15

Delay

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DELAY TYPE (dB) DIRECT SIGNAL 100% 1ST REFLECTION 1ST REF. LEVEL ECHO TYPE DELAY LEVEL LEFT CHANNEL DELAY RIGHT CHANNEL DELAY DIRECT SIGNAL 1ST REFLECTION (dB) 100% 1ST REF. LEVEL L R L R L R L R 1ST REF. DELAY INITIAL DELAY LEFT DELAY TIME RIGHT DELAY TIME (TIME) 1ST REF. DELAY INITIAL DELAY L-ch DELAY •1 R ch DELAY (TIME) 1. INITIAL DELAY. Range: 0.1 - 100 msec. Key: INITIAL DELAY. Allows you to program in an additional delay time which equally affects both output channels. This brings the total possible delay time up to 1 full second. 2. 1ST REFLECTION DELAY. Range: 0.1 - 100 msec. Key: 1ST REF. 3. 1ST REFLECTION LEVEL. Range: 0 - 100% of direct signal level. Key: 1ST REF. Same as for REV type presets. 4. LEFT CHANNEL DELAY TIME. Range: 0.1 - 900 msec. Key: Fl. 5. RIGHT CHANNEL DELAY TIME. Range: 0.1 - 900 msec. Key: F2. Permits highly accurate independent setting of the left and right delays. Note that the Initial Delay time is added onto these delay times. 6. DELAY LEVEL. Range: 0 - 100% of direct signal level. Key: F3. Permits simultaneous setting of left and right delay level, as a proportion of direct signal level. 1. INITIAL DELAY. Range: 0.1 - 100 msec. Key: INITIAL DELAY. Allows you to program in an additional delay time which equally affects both output channels. The first echo will not appear until this delay time and the echo delay time have elapsed. 2. 1ST REFLECTION DELAY. Range: 0.1 - 100 msec. Key: 1ST REF. 3. 1ST REFLECTION LEVEL. Range: 0 '- 100% of direct signal level. Key: 1ST REF. Same as for REV type presets. 4. LEFT CHANNEL DELAY TIME. Range: 0.1 - 450 msec. Key: Fl. 5. RIGHT CHANNEL DELAY TIME. Range: 0.1 - 450 msec. Key: F2. Permits highly accurate independent setting of the left and right delays. After this delay time has elapsed (plus the Initial Delay time) the first echo will appear. Subsequent echoes will appear at the same time interval, the number of echoes depending on how the Feedback Gain parameter is set. 6. FEEDBACK GAIN. Range: 0 - 99%. Key: REV TIME. This parameter permits adjustment of the number of echoes that follow the direct signal, from zero to a virtually infinite repeat at the maximum setting. The overall decay time of the effect is proportional to the Feedback Gain setting. 7. HIGH DAMP. Range: 0 ^ 10. Key: F3. This effect is produced by inserting a low-pass filter in the R EV7 feedback loop. This causes a gradual suppression of the high frequency content at each echo. Effectively, this means that the high frequency reverb time becomes shorter in relation to the midrange reverb time. A bright, unfiltered direct signal blended with a more muted echo can often create an authentic and pleasing acoustic effect. 14

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(dB)
DELAY
TYPE
DIRECT
SIGNAL
100
%
1ST
REFLECTION
1ST
REF.
LEVEL
DELAY
LEVEL
LEFT
CHANNEL
DELAY
RIGHT
CHANNEL
DELAY
1ST
REF.
DELAY
INITIAL
DELAY
LEFT
DELAY
TIME
RIGHT
DELAY
TIME
(TIME)
1.
INITIAL
DELAY.
Range:
0.1
-
100
msec.
Key:
INITIAL
DELAY.
Allows
you
to
program
in
an
additional
delay
time
which
equally
affects
both
output
channels.
This
brings
the
total
possible
delay
time
up
to
1
full
second.
2.
1ST
REFLECTION
DELAY.
Range:
0.1
-
100
msec.
Key:
1ST
REF.
3.
1ST
REFLECTION
LEVEL.
Range:
0
-
100%
of
direct
signal
level.
Key:
1ST
REF.
Same
as
for
REV
type
presets.
4.
LEFT
CHANNEL
DELAY
TIME.
Range:
0.1
-
900
msec.
Key:
Fl.
5.
RIGHT
CHANNEL
DELAY
TIME.
Range:
0.1
-
900
msec.
Key:
F2.
Permits
highly
accurate
independent
setting
of
the
left
and
right
delays.
Note
that
the
Initial
Delay
time
is
added
onto
these
delay
times.
6.
DELAY
LEVEL.
Range:
0
-
100%
of
direct
signal
level.
Key:
F3.
Permits
simultaneous
setting
of
left
and
right
delay
level,
as
a
proportion
of
direct
signal
level.
ECHO
TYPE
(dB)
100%
1ST
REF.
LEVEL
DIRECT
SIGNAL
1ST
REFLECTION
L
R
L
R
L
R
L
R
1ST
REF.
DELAY
INITIAL
DELAY
L-ch
DELAY
•1
R
ch
DELAY
(TIME)
1.
INITIAL
DELAY.
Range:
0.1
-
100
msec.
Key:
INITIAL
DELAY.
Allows
you
to
program
in
an
additional
delay
time
which
equally
affects
both
output
channels.
The
first
echo
will
not
appear
until
this
delay
time
and
the
echo
delay
time
have
elapsed.
2.
1ST
REFLECTION
DELAY.
Range:
0.1
-
100
msec.
Key:
1ST
REF.
3.
1ST
REFLECTION
LEVEL.
Range:
0
'-
100%
of
direct
signal
level.
Key:
1ST
REF.
Same
as
for
REV
type
presets.
4.
LEFT
CHANNEL
DELAY
TIME.
Range:
0.1
-
450
msec.
Key:
Fl.
5.
RIGHT
CHANNEL
DELAY
TIME.
Range:
0.1
-
450
msec.
Key:
F2.
Permits
highly
accurate
independent
setting
of
the
left
and
right
delays.
After
this
delay
time
has
elapsed
(plus
the
Initial
Delay
time)
the
first
echo
will
appear.
Sub-
sequent
echoes
will
appear
at
the
same
time
interval,
the
number
of
echoes
depending
on
how
the
Feedback
Gain
parameter
is
set.
6.
FEEDBACK
GAIN.
Range:
0
—
99%.
Key:
REV
TIME.
This
parameter
permits
adjustment
of
the
number
of
echoes
that
follow
the
direct
signal,
from
zero
to
a
vir-
tually
infinite
repeat
at
the
maximum
setting.
The
overall
decay
time
of
the
effect
is
proportional
to
the
Feedback
Gain
setting.
7.
HIGH
DAMP.
Range:
0
^
10.
Key:
F3.
This
effect
is
produced
by
inserting
a
low-pass
filter
in
the
R
EV7
feedback
loop.
This
causes
a
gradual
suppression
of
the
high
frequency
content
at
each
echo.
Effectively,
this
means
that
the
high
frequency
reverb
time
becomes
shorter
in
relation
to
the
midrange
reverb
time.
A
bright,
unfiltered
direct
signal
blended
with
a
more
muted
echo
can
often
create
an
authentic
and
pleasing
acoustic
effect.
14