Midi Sync Reference; Audio I/O - Lexicon 12T User Manual

• These settings are a good starting point for all systems. Systems with very fast CPUs, such as
333 mHz machines may get increased performance by decreasing the Disk Block Buffer size,
and in some cases the Memory per Channel as well. Experiment with your system to
determine the optimum settings for your particular machine. Consult the Lexicon Website
(www.lexicon.com) for new information regarding all machines, setups, and optimizations.

MIDI Sync Reference

• Use the Audio Clock setting to synchronize MIDI with recorded digital audio. This may also
yield superior results in digital I/O situations.
• Use the Timecode setting when using timecode in a session.

Audio I/O

ASIO Control
details on the features controlled by these panels.
Sample
monitoring at incorrect pitch, the sampling frequency may be incorrect. A 48kHz file played back at
44.1kHz will sound slow and at a lower pitch, while a 44.1kHz file played back at 48kHz will sound
fast and high pitched.
Audio Clock
the analog inputs while locked to an external clock source, but make sure that you know where
your audio clock is coming from, and that you are properly locked to it. When recording from a
digital source, you
The playback device is usually the clock master, and the record device is usually the clock slave.
Panel: This button will open the Core-32 Control Panel. See your manual for more
Rate: This selects the sample rate of the current job. If your playback seems to be
Source: For analog-only recordings, this should be set to Internal. You may also use
must lock to the incoming Word Clock . This is true for both S/PDIF and ADAT.
A-3