MOTU UltraLite User's Guide download pdf (Page 31)

MOTU AUDIO SETUP

S/PDIF

The S/PDIF clock source setting refers to the

S/PDIF RCA input jack on the UltraLite. This

setting allows the UltraLite to slave to another

S/PDIF device.

Use this setting whenever you are recording input

from a DAT deck or other S/PDIF device into the

UltraLite. It is not necessary in the opposite

direction (when you are transferring from the

UltraLite to the DAT machine).

For further details about this setting, see

“Connecting and syncing S/PDIF devices” on

page 21.

Macintosh built-in

Choose this setting to resolve the UltraLite to your

Mac’s built-in audio. Doing so will ensure that

audio streams playing back from or recorded by

the UltraLite will not drift apart from audio

streams simultaneously played or recorded by the

Mac’s built-in mic, speakers or audio output. For

complete details, see “Resolving to other Core

audio drivers” on page 22.

Other audio devices (drivers)

The MOTU FireWire Audio Driver has the ability

to resolve to other Core Audio drivers. Doing so

will ensure that audio streams playing back from or

recorded by the UltraLite will not drift apart from

audio streams simultaneously played or recorded

by the other devices. For complete details, see

“Resolving to other Core audio drivers” on

page 22.

Default Stereo Input/Output

In the System Preferences window, Mac OS X lets

you choose third-party hardware such as the

UltraLite for your Macintosh sound input and

output. The system input and output can be used

for alert sounds and general audio I/O for

applications like iTunes, iMovie, etc.

Figure 5-2: The Mac OS X sound preferences let you use the UltraLite

for general stereo audio input and output for your Mac.

The Default Stereo Input and Default Stereo Output

settings in MOTU Audio Setup (Figure 5-1 on

page 30) let you specify the stereo input and output

on the UltraLite to be used when it is chosen as the

audio I/O device in the system preferences.

Phones

The Phones setting lets you choose what you will

hear from the headphone jack. Choose

Main Out 1-2 if you’d like the headphone output to

match the main outs. Choose Phones 1-2 if you

would like the headphones to serve as their own

independent output, which you can access as an

!UltraLite Manual/Mac Page 31 Monday, September 12, 2005 6:52 PM

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