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Synchronization Overview
SONAR supports several different types of synchronization, which rely on a
variety of different clock sources:
When you use either the internal or audio clock, SONAR can control other MIDI
devices using MIDI Sync. In this case, SONAR is the “master” device and the other
MIDI devices are the “slaves.”
When MIDI Sync is the clock source, SONAR operates either in response to
incoming MIDI messages or as the sender. In this case, SONAR can be either the
master or the slave. Note that audio playback is not supported when using MIDI
Sync with SONAR as the slave.
When SMPTE/MIDI Time Code (SMPTE/MTC) is the source of timing
information, SONAR operates in response to incoming MTC messages. These
messages could be generated by:
• An external MIDI device that is capable of generating MIDI Time Code (like
the Roland VS880)
• A MIDI interface that is converting other time code signals (like SMPTE,
EBU, or film time code) into MIDI Time Code
When you use some of these synchronization options, some SONAR commands
work differently. This chapter describes each of the synchronization options, how
and why each is useful, and the effect each option has on other features and
commands.
Clock source… Timing is determined by…
Internal The clock on the computer motherboard
Audio The clock on the computer’s sound card
MIDI Sync The clock on an external MIDI device
SMPTE/MIDI Time Code (MTC) A time code signal (in SMPTE or some
other format) recorded on some external
medium or generated and sent by
SONAR
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