Chapter 6: I/O Setup 73
Last Used I/O Settings
If any changes are made to the I/O Setup dialog,
these changes are saved to the Last Used settings
file when the I/O Setup dialog is closed (by click-
ing OK).
Changes to I/O Setup are saved along with the
current session (if one is open). Custom I/O Set-
tings files will not contain recent changes unless
you export an updated settings file.
The Last Used setting is available as a choice
when creating a session or when importing I/O
Settings in the I/O Setup dialog.
Factory I/O Settings
Pro Tools provides I/O Settings files for Stereo
and Surround mixing. These files provide ge-
neric main and sub-path definitions for either
mixing format.
Factory I/O Settings are available as a choice
when creating a session or when importing I/O
Settings in the I/O Setup dialog.
Stereo Mix Settings File
The Stereo Mix settings file consists of all possi-
ble stereo and mono paths for your session.
Specifically, the Stereo Mix settings file creates
the maximum number paths of each type, as de-
termined by the available system’s I/O Setup
and hardware configuration.
Surround Mix Settings File
(Pro Tools HD and Pro Tools LE with Complete
Production Toolkit Only)
The Surround Mix provides additional, sur-
round-specific Output and Bus settings files. See
“Surround Mix Settings Files” on page 977 for
more information.
Custom I/O Settings
Custom I/O Settings files can be created by
changing I/O Setup controls and then exporting
the I/O Setup configuration (see “Exporting I/O
Settings” on page 72). Custom I/O settings are
available as a choice when creating a session or
when importing I/O Settings in the I/O Setup
dialog.
Audio Interfaces and Session
Transfer
Pro Tools sessions store the type and order of au-
dio interfaces connected and active when the
session was last saved. When opening a session
on a system with different audio interfaces, the
I/O Setup may need to be updated.
Unavailable I/O
When opening a session, Pro Tools checks to see
if the hardware configuration has changed since
the session was last saved. If the current hard-
ware configuration differs from that saved in the
session, paths associated with the unavailable
I/O are made inactive.
Remapping
Remapping occurs when a session’s original
I/O Setup does not match that of the current
system and session paths are remapped to cur-
rent hardware.
Using the “Stereo Mix” settings file has the
same effect as clicking Default for every in-
dividual tab in I/O Settings. See “Creating
New Paths” on page 65 for details.
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