Slope; Spin; Treble Dcy - Lexicon LDI 12T User Manual

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Lexicon Studio 12T System User Guide

Slope

In the Inverse algorithm, Slope determines the shape of the reverb envelope. When set to 0, the level

of reverb remains unchanged over its duration, then cuts off abruptly (depending upon the amount

of Diffusion in use). Setting Slope above 0 causes the level of reverb to rise smoothly from soft to loud

until the sound is cut off. The greater the slope, the softer the initial reverberation and the more

pronounced its rise. With negative values, the reverb drops from its initial level to a quieter one before

cutoff. The lower the slope, the more pronounced the drop-off.

Spin affects the movement of the reverberation tail. The object of Spin is to continuously alter the

timbre of the reverberant sound. This makes the result more natural, without making the position of

the instruments unstable. Spin should typically be set to values between 10% and 50%. Higher values

may make the timbre of piano, guitar and other precisely pitched instruments unstable.

Treble Dcy sets the frequency above which a 6dB/octave low-pass filter attenuates the reverberated

signal. It does not attenuate Reflection Delays. High frequencies are often rolled off with this

parameter, resulting in more natural-sounding reverberation. Setting a low frequency for this

parameter can actually shorten the reverb time, as it damps the audio as it recirculates.

Reference

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