17.2.1: REVERBS
17.2.1: REVERBS
LEXICON FX > REVERBS
Reverb Parameters
Pre Delay
Adjust time delay between the source signal and the onset of reverberation.
This control is not intended to precisely mimic the time delays in natural spaces, as the build-up of reverberation is
gradual, and the initial time gap is usually relatively short. For the most natural eect, the Pre Delay values should
be set in the range of 10-25 milliseconds. However, if a mix is very busy or overly cluttered, increasing the Pre
Delay time may help clarify it, and set each instrument apart from each other.
Size
Build-up rate of diffusion after the initial period (which is controlled by Diffusion).
The Size control changes reverb sound from very large to very small. Generally, set this control to the approximate
size of the acoustic space being created, before adjusting anything else. The size in meters is roughly equal to the
longest dimension of the space. Audio is temporarily muted when Size is changed.
Reverb Time
Adjust the amount of time the reverb can be heard.
Higher settings increase reverberation times which are usually associated with larger acoustical environments,
but can decrease intelligibility. Lower settings shorten reverb times and should be used when a smaller apparent
space or a more subtle eect is desired.
Diffusion
Initial echo density.
High settings of Diusion result in high initial echo density, and low settings cause low initial density. In a re-
al-world situation, irregular walls cause high diusion, while large flat walls cause low diusion. For drums and
percussion, try using higher Diusion settings.
Shape
Adjust the ‘contour’ of the reverberation envelope.
With Shape all the way down, reverberation builds explosively, and decays quickly. As Shape is advanced, rever-
beration builds up more slowly and sustains for the time set by Spread. With Shape in the middle, the build-up
and sustain of the reverberation envelope emulates a large concert hall (assuming that Spread is at least halfway
up, and that Size is 30 meters or larger).
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