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Soundtrack Pro 3 Effects Reference (en).pdf - Help Library - Apple

Soundtrack Pro 3 Effects Reference (en).pdf - Help Library - Apple

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Noise Gate Parameters<br />

The Noise Gate has the following parameters.<br />

• Threshold slider and field: Sets the threshold level. Signals that fall below the threshold<br />

will be reduced in level.<br />

• Reduction slider and field: Sets the amount of signal reduction.<br />

• Attack knob and field: Sets the amount of time it takes to fully op<strong>en</strong> the gate after the<br />

signal exceeds the threshold.<br />

• Hold knob and field: Sets the amount of time the gate is kept op<strong>en</strong> after the signal falls<br />

below the threshold.<br />

• Release knob and field: Sets the amount of time it takes to reach maximum att<strong>en</strong>uation<br />

after the signal falls below the threshold.<br />

• Hysteresis slider and field: Sets the differ<strong>en</strong>ce (in decibels) betwe<strong>en</strong> the threshold values<br />

that op<strong>en</strong> and close the gate. This prev<strong>en</strong>ts the gate from rapidly op<strong>en</strong>ing and closing<br />

wh<strong>en</strong> the input signal is close to the threshold.<br />

• Lookahead slider and field: Sets how far ahead the Noise Gate analyzes the incoming<br />

signal, allowing the effect to respond more quickly to peak levels.<br />

• Monitor button: Enable to hear the side-chain signal, including the effect of the High<br />

Cut and Low Cut filters.<br />

• High Cut slider and field: Sets the upper cutoff frequ<strong>en</strong>cy for the side-chain signal.<br />

• Low Cut slider and field: Sets the lower cutoff frequ<strong>en</strong>cy for the side-chain signal.<br />

Note: Wh<strong>en</strong> no external side chain is selected, the input signal is used as the side chain.<br />

Chapter 3 Dynamics <strong>Pro</strong>cessors<br />

55

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