Other Mac Os X Software; Choosing The Motu Firewire Core Audio Driver - MOTU UltraLite- mk3 User Manual

If you are slaving the UltraLite-mk3 and your host
software to SMPTE time code, follow the
directions in "Syncing to SMPTE time code" on
page 94.
Phones
This UltraLite-mk3 setting lets you choose what
you'll hear from the headphone jack. For example,
if you choose Main Out 1-2, the headphones will
duplicate the main outs. Or you can choose any
other output pair. If you choose Phones 1-2, this
setting makes the headphone jack serve as its own
independent output pair. As a result, you'll see
Phones 1-2 as an additional audio destination in
your host's audio output menus.
Main Outs Assign
Use the Main Outs Assign setting to determine
what audio you will hear on the XLR main outs of
the UltraLite-mk3. If you would like to treat them
as their own separate output pair, choose Main
Outs. Note that when operating at 176.4 or 192
kHz, the main outs must mirror one of the TRS
analog output pairs.
Return Assign
In your OS X host audio software audio input
menus, you'll see an UltraLite-mk3 input called
Return 1-2. This is a stereo feed from the
UltraLite-mk3 that matches the signal of one of its
output pairs. Use the Return Assign menu in
MOTU Audio Setup to choose which output pair
you would like to hear on this return. This can be
used, for example, to record back a final stereo mix
that includes effects processing from the
UltraLite-mk3 DSP (such as the Leveler) for
reference and archiving purposes.
☛
Warning: the Return inputs can cause
feedback loops! DO NOT assign this input to a
track that shares the same UltraLite-mk3 output
pair as the returns.
52
Reverb return
The UltraLite-mk3 also supplies a return to your
host software that carries the output of its reverb
processor. This return can be used for any purpose
you wish.
CHOOSING THE MOTU FIREWIRE CORE
AUDIO DRIVER
Once you've made the preparations described so
far in this chapter, you're ready to run your audio
software and enable the MOTU UltraLite-mk3
Core Audio driver. Check the audio system or
audio hardware configuration window in your
software. There will be a menu there that lets you
choose among various drivers that may be in your
system. Choose the MOTU UltraLite-mk3 from
this menu.
Logic Pro and Logic Express
In Logic Pro and Logic Express, go to the
Preferences window, click the Audio tab, click the
Drivers tab and click the Core Audio tab as shown
in Figure 9-2. Choose the MOTU UltraLite-mk3
from the Driver menu. For information about the
I/O Buffer Size setting, see "Adjusting the audio I/O
buffer" on page 59.
Figure 9-2: Enabling the UltraLite-mk3 in Logic Pro or Logic Express.
O T H E R M A C O S X S O F T W A R E