AMS NEVE 8051 - Manual (Page 13)

Attack
This is the time between a signal 6dB above the threshold level
being applied, and the output signal falling to within 2dB of its
final level. With slower attack settings compression is more
dependant on the average signal level, while with faster settings
it is more dependant on the peaks. Setting of 2ms, 4ms, 6ms,
8ms and 16ms are available.
Recovery
If a signal 6dB above the threshold has been applied for long
enough that the output has reached its steady-state level,
recovery is the time taken for it to get to within 2dB of its final level
if the input is dropped by 6dB. Recovery compliments the attack
control by filtering the control voltage; longer recovery times
prevent pumping effects where gain reduction follows the
program material too closely. Settings of 100ms, 200ms,
400ms, 800ms, 1.5s and 3s are available.
Gain Reduction Meters
Gain reduction meters are provided post the A/B Bias control and pre the CV Link routing buttons to
show the level of attenuation being applied. The meters have 20dB f.s.d.
8051 5.1 Compressor User Guide
Issue 2 Page 11
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
..2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
..2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1..5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1..5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6::1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6::1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
1 12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
1 12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
THRESHOLD dBu
THRESHOLD dBu
MAKE-UP
GAIN dB
MAKE-UP
GAIN dB
RATIO
RATIO
ATTACK
ATTACK
RECOVERY
RECOVERY
GAIN REDUCTION
GAIN REDUCTION
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+1 16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
8
dB
4
0
12 16
20
8
dB
4
0
12 16
20
A
B
-10
-10
+20
+20
2ms
2ms
4ms
4ms
6ms
6ms
8ms
8ms
16ms
16ms
-20
-20
+16
+1 16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s
-20
-20
+16
+16
1.5:1
1.5:1
2:1
2:1
8
8
8
8
8
8
8
8
12
12
12
12
12
12
16
16
16
16
4
4
4
4
4
4
4
4
0
0
0
0
3:1
3:1
4:1
4:1
6:1
6:1
max
max
.1s
.1s
.2s
.2s
.4s
.4s
.8s
.8s
1.5s
1.5s
3s
3s