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Appendix A: Parameter Lists
DM2000—Owner’s Manual
Effects Parameters
REVERB HALL, REVERB ROOM, REVERB STAGE, REVERB PLATE
One input, two output hall, room, stage, and plate reverb simulations, all with gates.
EARLY REF.
One input, two output early reflections.
GATE REVERB, REVERSE GATE
One input, two output early reflections with gate, and early reflections with reverse gate.
Parameter
Range
Description
REV TIME
0.3–99.0 s
Reverb time
INI. DLY
0.0–500.0 ms
Initial delay before reverb begins
HI. RATIO
0.1–1.0
High-frequency reverb time ratio
LO. RATIO
0.1–2.4
Low-frequency reverb time ratio
DIFF.
0–10
Reverb diffusion (left–right reverb spread)
DENSITY
0–100%
Reverb density
E/R DLY
0.0–100.0 ms
Delay between early reflections and reverb
E/R BAL.
0–100%
Balance of early reflections and reverb
(0% = all reverb, 100% = all early reflections)
HPF
THRU, 21.2 Hz–8.00 kHz
High-pass filter cutoff frequency
LPF
50.0 Hz–16.0 kHz, THRU
Low-pass filter cutoff frequency
GATE LVL
OFF, –60 to 0 dB
Level at which gate kicks in
ATTACK
0–120 ms
Gate opening speed
HOLD
1
1. 0.02 ms–2.13 s (fs=44.1 kHz), 0.02 ms–1.96 s (fs=48 kHz), 0.01 ms–1.06 s (fs=88.2 kHz), 0.01 ms–981 ms
(fs=96 kHz)
Gate open time
DECAY
2
2. 6.0 ms–46.0 s (fs=44.1 kHz), 5.0 ms–42.3 s (fs=48 kHz), 3 ms–23.0 s (fs=88.2 kHz), 3 ms–21.1 s (fs=96 kHz)
Gate closing speed
Parameter
Range
Description
TYPE
S-Hall, L-Hall, Random,
Revers, Plate, Spring
Type of early reflection simulation
ROOMSIZE
0.1–20.0
Reflection spacing
LIVENESS
0–10
Early reflections decay characteristics (0 = dead, 10 = live)
INI. DLY
0.0–500.0 ms
Initial delay before reverb begins
DIFF.
0–10
Reflection diffusion (left–right reflection spread)
DENSITY
0–100%
Reflection density
ER NUM.
1–19
Number of early reflections
FB GAIN
–99 to +99%
Feedback gain
HI. RATIO
0.1–1.0
High-frequency feedback ratio
HPF
THRU, 21.2 Hz–8.00 kHz
High-pass filter cutoff frequency
LPF
50.0 Hz–16.0 kHz, THRU
Low-pass filter cutoff frequency
Parameter
Range
Description
TYPE
Type-A, Type-B
Type of early reflection simulation
ROOMSIZE
0.1–20.0
Reflection spacing
LIVENESS
0–10
Early reflections decay characteristics (0 = dead, 10 = live)
INI. DLY
0.0–500.0 ms
Initial delay before reverb begins
DIFF.
0–10
Reflection diffusion (left–right reflection spread)
DENSITY
0–100%
Reflection density
HI. RATIO
0.1–1.0
High-frequency feedback ratio
ER NUM.
1–19
Number of early reflections
FB GAIN
–99 to +99%
Feedback gain
HPF
THRU, 21.2 Hz–8.00 kHz
High-pass filter cutoff frequency
LPF
50.0 Hz–16.0 kHz, THRU
Low-pass filter cutoff frequency