Apple Logic Pro 8 User Manual
Page 813
Chapter 35
Working With Surround
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Note: The surround format chosen here only alters the layout/routing of channels to
speakers in the assignment section. The actual project surround format is determined
by the Surround format Audio project setting (see “
To determine what speakers the Logic Pro outputs are sent to, do one of the
following in the Output tab:
m
Choose the desired output of your audio interface from each of the active pop-up
menus; Left, Center, Right, and so on.
You can choose outputs that don’t exist for your hardware, allowing you to work on, or
create, a surround project with a computer that is not equipped for surround playback.
These are shown in brackets. As examples: (Output 17) or (Output 32).
m
Click one of the three buttons below the Show As menu.
 Default: Click to activate the default setup of Logic Pro. As an example: For the 5.1
format, this means that output 1 is routed to the left speaker, output 2 to the right
one, output 3 is assigned to left surround, output 4 to right surround, output 5 to the
center speaker, and output 6 to the LFE channel.
 ITU: Click to assign the International Telecommunications Union standard, used by
many professionals.
 WG -4: Click to use the WG-4 standard, set by the DVD Forum for DVD-Audio.
To determine what inputs are used for each surround channel:
m
Open the Input tab, and use the procedures outlined above for the Output tab.