Steinberg HALION4 Mode D'emploi page 168

Reverb and Delay Effects
Size
This adjusts the length of the early reflections pattern. At a setting of 100 % the
pattern is applied with its original length and the room sounds the most natural. At
settings smaller than 100 % the early reflections pattern is compressed and the room
is perceived smaller.
Low Cut
This attenuates the low frequencies of the early reflections. The higher this value, the
less low frequencies the early reflections will have.
High Cut
This attenuates the high frequencies of the early reflections. The lower this value, the
less high frequencies the early reflections will have.
Delay
This delays the onset of the reverb tail.
Room Size
This parameter controls the dimensions of the simulated room. At a setting of 100 %
the dimensions correspond to a cathedral or a large concert hall. At a setting of 50 %
the dimensions correspond to a medium sized room or studio. Settings below 50 %
simulate the dimensions of small rooms or a booth.
Main Time
This controls the overall reverb time of the tail. The higher this value, the longer the
reverb tail will decay. At a setting of 100 % the reverb time is infinitely long. The Tail
Main Time parameter also represents the mid band of the reverb tail.
High Time
This controls the reverb time for the high frequencies of the reverb tail. When you set
positive values the decay time of the high frequencies is longer, when you set negative
values it is shorter. Frequencies are affected depending on the Tail High Freq
parameter.
High Freq
This sets the cross-over frequency between the mid and the high band of the reverb
tail. You can offset the reverb time for frequencies above this value from the main
reverb time with the Tail High Time parameter.
Low Time
This controls the reverb time for the low frequencies of the reverb tail. When you set
positive values the decay time of the low frequencies is longer, when you set negative
values it is shorter. Frequencies are affected depending on the Tail Low Freq parameter.
Low Freq
This sets the cross-over frequency between the low and the mid band of the reverb
tail. You can offset the reverb time for frequencies below this value from the main
reverb time with the Tail Low Time parameter.
Shape
This controls the attack of the reverb tail. At a setting of 0 % the attack is more
immediate, which is a good setting for drums. The higher this value, the less
immediate the attack.
Density
This adjusts the echo density of the reverb tail. At a setting of 100 % single reflections
from walls cannot be heard. Lower this value to hear more single reflections.
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Effects Reference