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Click the Bus FX button
located on the bus control or the bus’s audio bus track. The Plug-in Chooser window appears.
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Select each plug-in you want to add and click the Add button, or browse to an FX package.
To reorder the plug-ins within the chain, simply drag a plug-in button to a new location, or click the Move Plug-In Left 
or Move Plug-In Right 
buttons.
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When you have finished adding the plug-ins, click the OK button.
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Click the Bus FX button
located on the bus control or the audio bus track. If the bus has an effects chain, the Audio Plug-In window is displayed.
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Use the Audio Plug-In window to enable/bypass effects, edit effect parameters, and add/remove effects from a chain.
If a plug-in supports it, you can use envelopes to automatically adjust effect parameters over time. Automation envelopes can be added to tracks and bus tracks to control individual effect parameters for track effects, bus effects, and assignable effects.
For more information about using automation envelopes on tracks, click here.
When you add a plug-in that supports automation (effects that can be automated are indicated by the 
icon in the Plug-In Chooser), the Bypass FX Automation button 
is displayed in the Audio Plug-In window:
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After you’ve added effect automation envelopes, the Bypass FX Automation button is deselected, and effect parameters are automated using the envelope settings.
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When the button is selected, effect automation envelopes are ignored and the effect’s initial state is used for the duration of the track.
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If you delete all automation envelopes from a plug-in, the Bypass FX Automation button is unavailable.
For more information about using specific plug-ins, click the Plug-In Help button 
in the Audio Plug-In Window to display the plug-in’s help file.
Using Bus Effects |
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In addition to assigning effects to individual tracks, you may also apply DirectX and VST effects to busses.
Bus effects will be applied to all tracks assigned to that bus. If a track contains track effects and bus effects, track effects will be processed before the bus effects. For more information about the audio signal flow, click here.
To specify whether the bus level is applied before or after the bus effects chain, do one of the following:
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Right-click output volume fader in the bus track or bus control and choose Pre FX or Post FX from the shortcut menu.
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Right-click the
button in the bus track or bus control and choose Post Volume from the shortcut menu if you want to apply the effects chain after the bus volume. This has the same effect as right-clicking the bus output fader and choosing Pre FX from the shortcut menu.
When you’re working with 5.1 surround projects, the Master bus supports 5.1-channel audio effects.
Tips:
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To add effects quickly, you can drag plug-ins and plug-in packages from the Plug-In Manager window to busses in the Mixer window or a bus track header.
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If you want to add effects to all audio in your project, you can add effects to the Master bus.
When input monitoring is on during audio recording, audio effects chains that contain non-in-place plug-ins are displayed in yellow (
0" class="hcp9">) to indicate that automatic plug-in delay compensation is being used. Chains that cannot be used for live monitoring are automatically bypassed and are displayed in red (
).
What do you want to do?
Apply effects to a bus
Edit effects on a bus
Automate effect parameters
Learn more about a specific plug-in
