Mono, Stereo, and Multichannel Processing
AudioSuite plug-ins allow you to select the following types of processing:
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Mono processing only: This option is available for plug-ins that
operate on only one audio track at a time. The other option (Stereo)
appears dimmed. The plug-in applies the effect to each source track
individually, in a serial manner.
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Mono and stereo processing: These options are available for plug-ins
that can treat two tracks as a stereo pair. This allows the system to
apply the audio effect simultaneously to each track. For example, Time
Compression Expansion plug-ins typically operate on a stereo pair.
You can select mono if you want the plug-in to operate on each track
individually, in a serial manner.
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Single-track and multiple-track processing: These options are
available for plug-ins that can process multiple tracks simultaneously.
For example, the Normalize plug-in allows you to adjust the volume
separately for each track or to adjust the volume for all tracks at the
same time. In the latter case, the system examines all enabled tracks
for the loudest volume and then adjusts all tracks relative to that value.
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You can think of stereo processing as a special case of multichannel
processing.
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For mono processing, the system creates a new master clip with the same number of tracks that you selected in the AudioSuite window.
For stereo and multichannel processing, the plug-in creates a master clip with the number of tracks equal to the number of output streams from the plug-in. For example, a plug-in that operates on stereo pairs creates a two-channel master clip. A plug-in such as Normalize, which operates on multiple channels, creates a master clip with as many tracks as were selected in the AudioSuite window.
The Status display at the bottom of the AudioSuite Plug-in window indicates how many tracks the plug-in can process. If more tracks are enabled than can be processed, the plug-in automatically selects the correct number of tracks. You can change the track selection based on your needs.
Most AudioSuite plug-ins automatically select the appropriate processing mode and label the values in the Processing Mode Selection pop-up menu. For example, the Normalize plug-in offers two choices: Peak On Each Track and Peak From All Tracks. The default is Peak From All Tracks.
You select the processing mode from a menu in the AudioSuite window as described in
Using Plug-Ins to Create New Master Clips.
