Chapter 8—Insert Effect Parameters
To access the Parameters described on this page (unless otherwise noted):
Press Effects, turn the Parameter knob to select Insert Effect, and press Enter. Turn the Parameter
knob to select the parameter, and use the Value knob to change the parameter's Setting.
8 ENSONIQ MR-Rack Musician’s Manual
09 Gated Reverb
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Parameter Range Description
Gate Thresh -96.0dB to 0.0dB Sets the signal level that triggers the gated reverb. When the incoming
signal reaches this value, it triggers (starts) the gated reverb. Higher
values would require a stronger incoming signal. Set this parameter as
low as possible to work with your particular source, but not so low as to
cause false triggering.
Gate Hysteresis 0dB to 48dB Sets the lower threshold level relative to Gate Thresh below which the
Gate Hold Time begins.
If the difference between Gate Thresh and Gate Hysteresis is lower than
the level of the incoming signal, the gated reverb will continue to
retrigger. With a high Decay rate, this adds a cavernous quality to
percussion instruments.
Gate Attack 50us to 10.0s Sets the attack time of the gated reverb once the incoming signal has
reached the trigger level. Generally the attack should be short and not set
longer than the Gate Hold time.
Gate Release 50us to 10.0s Sets the amount of time after the Gate Hold time has elapsed for the
gated reverb to shut down. Generally these times are very short.
Gate Hold 50us to 10.0s Sets the amount of time that the reverb will hold after the retrigger and
before the release. The Gate Hold time will begin again if retriggered.
Decay 0sec to 10.0sec Sets the decay rate. In general, the decay rate is set very high.
HF Damping 100Hz to 21.2kHz Controls the rate of attenuation of high frequencies in the decay of the
reverb. Increasing the value of this parameter will gradually filter out
increasing amounts of high frequency energy.
Diffusion 1 0 to 100 Smears the transients, so as to diffuse and smooth the sound. Lower
values will cause impulsive sounds to appear as a series of discrete
echoes, while higher values tend to increase the smear (smoother
sounding). Recommended setting is approximately 50.
Diffusion 2 0 to 100 This parameter, similar to and in series with Diffusion 1, performs the
same way but controls lower frequency ranges. Recommended setting is
approximately 50.
Definition 0 to 100 Controls the rate of echo density build up in the reverb decay. If set too
high, the echo density will build at a rate that exceeds the decay rate. A
general rule of thumb: Definition should not exceed the Decay Rate. We
recommend settings between 25 and 50.
Slap Time 0ms to 108ms Controls the delay time of an internal dry stereo signal to create a
slapback. In general, the slapback is greater or equal to the Gate Hold
time to achieve a reverse effect.
Slap Level Off, -49.5dB to +12.0dB Adjusts the volume of the slapback (internal dry) signal.
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