X75HD/X75SD Installation and Operation Manual 57
Chapter 3: Module and Back Panel Descriptions
Table 3-2. Audio Limiter Options
Option Description
Soft Limit Level
• Sets the threshold level for the input audio signal, measured in dB (decibels),
where the audio signal limiter's attack and decaying function will be based
• When a signal exceeds this level, compression will be applied
Slope
• Sets the amount a signal is reduced by the compressor
• When the slope is set to 0.25, the audio input signal exceeding the soft limit
threshold level will be reduced by the factor of 4 at the output.
Attack Rate Controls the rate of attack soft limiting
Attack Time
• Activates limiter only after the input audio level remains over the Soft Limit
Level for the duration specified in the Attack Time option
• Audio that exceeds the specified Soft Limit Level for less than the specified
Attack time will not activate the limiter
• Attack Time indicates how long it takes for the compressor to act after a signal
has exceeded the threshold level
Decay Rate Controls the rate of decay soft limiting.
Decay Time
• Once the input audio signal has exceeded the Soft Limit Level and the limiter
has been activated, the limiter remains active until the audio signal has returned
below the Soft Limit Level for the duration specified in the Decay Time option
• If the input audio signal returns below the Soft Limit Level for less than the
specified Decay Time, the limiter remains active
Noise Gate Level
• Sets the noise gate threshold level, measured in dB.
• When an input signal falls below this level, the noise gate will be applied.
Noise Gate Time Indicates how long it takes for the noise gate to start or stop acting after the input
signal has fallen below or risen above the threshold level.
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