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AVB is already shipping on current Macs —
■
Apple supports AVB on all current shipping Macs,
and your MOTU interface can operate as a
standard AVB audio interface when connected to
your Mac's AVB-equipped Ethernet port.
MOTU'S AVB IMPLEMENTATION
MOTU engineering has faithfully implemented
the IEEE 802.1 AVB standard for the MOTU AVB
products. This means that MOTU devices are fully
inter-operable with any 3rd party AVB-compatible
device. In addition, MOTU has fine-tuned AVB
operation among MOTU AVB devices for
optimum performance, within the AVB specifi-
cation. Here is a brief summary of advantages you
will enjoy when using MOTU AVB-equipped
audio devices together in a network:
Support for multiple computer hosts — All
■
computers and all network devices run in sync
with each other, resolved to the network's master
clock.
Gigabit Ethernet — The MOTU AVB Switch
■
delivers 1 Gbit Ethernet performance, which
provides substantially higher bandwidth than
100 Mbit Ethernet. This allows you to have many
more devices on the AVB network.
Over 500 channels of network audio —
■
MOTU's AVB network can stream over 500
channels of audio throughout the network.
Depending on the model, some MOTU AVB
devices can broadcast sixteen 8-channel network
streams and simultaneously listen to sixteen
8-channel network streams.
Exceptionally low network latency — Standard
■
AVB network latency is 2 ms. MOTU AVB
network latency is an astonishing 0.6 ms, even
over six "hops" (switches) and hundreds of meters
of cable. By comparison, other commercially
available, proprietary audio network protocols
have variable (unpredictable) network latency in
the range of 2-5 ms.
N E T W O R K I N G
Star configuration — MOTU AVB supports a
■
star network configuration, which is much more
flexible than daisy-chain scenarios, which
depends on all devices in the chain.
Web interface — MOTU AVB devices can be
■
controlled from the MOTU Pro Audio Control
web app, which runs within any web browser on
any networked laptop, tablet, or smart phone.
Although the web app shares the network with
AVB, AVB audio streams are never compromised
because AVB streams over the network traffic.
Support to standard Ethernet — the MOTU
■
AVB Switch supports standard Ethernet operation
on the same network for command and control,
Internet access, and other standard network
traffic. All ports allow connection to standard
(non-AVB) network devices. If needed, any port
can be configured to operation as a non-AVB
Ethernet port.
NETWORKING EXAMPLES
Networking comes into play as soon as you
connect a second MOTU interface to your first
one, as explained in "Setup for two interfaces" on
page 27, to add more I/O to your studio. Here are
just a few examples of what is possible.
Personal studio expansion
Let's say you have a 1248 mounted in a rack next to
your computer. You could add an 8M interface
and position it across the room, near your drum
kit, for placing up to 8 mics on the drums. All the
mic cabling is kept near the drums, and you have
one simple, clean network cable running back to
your computer system. Despite the distance, the
two interfaces operate as a seamless system,
controlled from your computer or iPad.
Studio installation
A studio installation of three to five interfaces can
be handled with a single MOTU AVB Switch. See
"Setup for three to five interfaces" on page 28.
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