User Guide

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14 Utility
The Utility plug-ins are handy tools that can help you with
routine tasks and situations that you may encounter when
producing music.
This includes the following tasks:
 Adjusting the input format of a channel (see “Down Mixer” on page 199).
 Adjusting the level or phase of input signals (see “Gain” on page 200 and
“Multichannel Gain” on page 202).
 Integrating external audio effects into Logic Pro (see “I/O” on page 201).
 Generating a static frequency or sine sweep (see “Test Oscillator” on page 202).
Down Mixer
You can use the Down Mixer plug-in to adjust the input format of the surround master
channel strip. This allows you to quickly check the surround mix in stereo, for example.
Channel mapping, panning, and mixing is handled “behind the scenes.” You do,
however, have some control over the mix:
 Destination Format: Choose the desired surround format from the menu, which
includes To Stereo, To Quad, To LCRS, and others.
 Generic level sliders: These sliders control the respective channel levels. The number,
and names, of sliders is dependent on the chosen plug-in format.