Reference Manual

235 Working with Instruments and Effects
you will find the Plug-In Sources section. Turning on the Use Audio Units option activates Audio
Units Plug-ins so that they appear in Live’s browser.
Note that you can always turn this option off later if you decide not to use Audio Units.
Activating Audio Units Plug-Ins.
Audio Units Plug-ins sometimes have a feature that allows choosing between different modes for
the device. You might be able to choose, for example, between different levels of quality in the
rendering of a reverb. Choosers for these device modes can only be accessed through the origi-
nal plug-in panel, which is opened using the Plug-In Edit button.
Opening an Audio Units Plug-In Window.
Audio Units have presets that function just like those for the Live effects. However, some AU pre-
sets cannot be dragged to different locations in the browser, as they are read-only.
Audio Units presets have an .aupreset extension and are stored in the following directory ac-
cording to their manufacturer’s name:
[Home]/Library/Audio/Presets/[Manufacturer Name]/[Plug-in Name]
17.5 Device Delay Compensation
Live automatically compensates for delays caused by Live and plug-in instruments and effects,
including those on the return tracks. These delays can arise from the time taken by devices to