User Guide

62 Chapter 4 Dynamics
Extended Parameters
 Mode pop-up menu: Choose which type of peak smoothing the Adaptive Limiter uses
from the menu. The choices are OptFit, in which limiting follows a linear curve, which
allows signal peaks exceeding 0 dB, and NoOver, which avoids distortion artifacts
from the output hardware by ensuring that the signal does not exceed 0 dB.
 Lookahead field and slider: Adjusts how far ahead the Adaptive Limiter analyzes the
file for peaks.
 Remove DC pop-up menu: Choose On to active a highpass filter that removes DC
(direct current) from the signal. DC can be introduced by lower-quality audio
hardware.
Compressor
The Compressor is designed to emulate the sound and response of a professional-level
analog (hardware) compressor. It tightens up your audio by reducing sounds that
exceed a certain threshold level, smoothing out the dynamics and increasing the
overall volume—the perceived loudness. Compression helps bring the key parts of a
track or a mix into focus while preventing softer parts from being inaudible. It is
probably the most versatile and widely used sound-shaping tool used in mixing, next
to EQ.
You can use the Compressor with individual tracks, including vocal, instrumental, and
effects tracks, as well as on the overall mix. In most cases, you’ll want to insert the
Compressor directly into a channel.
Compressor Parameters
 Circuit Type slider and field: Choose the type of circuit emulated by the Compressor.
The choices are Platinum, Classic A_R, Classic A_U, VCA, FET, and Opto (optical).
 Gain Reduction display: Shows the amount of compression applied as the audio
plays.
 Attack knob and field: Sets the attack time (the amount of time it takes for the
compressor to react when the signal exceeds the threshold).