MOTU 828es, Руководство пользователя

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H A R D W A R E I N S T A L L A T I O N
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Figure 5-12: Routing streams from your MOTU interface to the Mac.
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Leave Media Clock Input Stream set to None .
(This setting can be used to sync the Mac to
certain 3rd-party AVB devices that support Media
Clock. This setting is not needed for MOTU
devices.)
Clocking
In the example in Figure 5-12, the 1248 is the clock
master and the Mac is clocking to the 1248’s
Output Stream 1. You can also reverse this
scenario, where the Mac becomes the master and
the 1248 clocks to Mac’s Output Stream 1. The
Mac does not follow the web app’s
Become Clock
Master button, so you must set the Mac’s Clock
Mode manually.
AVB stream and channel counts
Each AVB stream is a group of eight audio
channels. While testing is on-going, OS X AVB
performance varies with different Mac models.
Models such as the Mac Pro (late 2013) are able to
handle eight streams (64 channels) in and out
simultaneously, for MOTU interface models that
support eight streams. (Check
motu.com/proaudio for a summary of supported
stream counts for each MOTU interface model.)
For older Macs, we recommend one or two
streams in each direction. Generally speaking, it is
best to enable only as many streams as you need.