Word Clock Sync; Switching Between Adat And Word Clock; What The Smux - Arturia AUDIOFUSE X8 OUT User Manual

5.3. Word Clock Sync

The rear panel BNC WCLOCK port is used to connect the AudioFuse X8 OUT to multiple
devices in a digital audio network.
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If no BNC cable is connected to the rear panel WCLOCK input, the SYNC button will only select
between ADAT and ADAT SMUX. And again, if no ADAT sync signal is detected, the ADAT LED will blink,
indicating that the AudioFuse X8 OUT is not properly synchronized.
The HiZ switch determines how the connection is "seen" by other devices that are cabled
together.
When the HiZ switch is in the down position, the connection's input impedance
•
is 75 Ohms. This is used when the AudioFuse X8 OUT is at the end of a chain of
word clock cables.
When the HiZ switch is in the up position, the connection has a very high
•
impedance, which prevents reflections in all other hookup configurations.

5.3.1. Switching between ADAT and Word Clock

If the AudioFuse X8 OUT is receiving Word Clock over a BNC cable connection, you can
switch between it and the ADAT clock with the SYNC button.

5.4. What the SMUX?

SMUX ( Sample Multiplexing , often written S/MUX) is a subset of the ADAT optical audio
specification that allows for an ADAT connection to carry data at higher sample rates by
sacrificing channel count.
An ADAT connection can carry 8 channels of 24-bit data at either 44.1 kHz or 48 kHz. Using
SMUX, that same connection can carry 4 channels of data at up to 96 kHz, or 2 channels of
data at up to 192 kHz.
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The highest sample rate provided by the AudioFuse X8 OUT (or the X8 IN) is 96 kHz. If it's fed a
sample rate higher than that, the ADAT LED will blink to indicate that the clock isn't usable.
The two ADAT inputs on the AudioFuse X8 OUT allow for 8 channels of conventional ADAT
over one port or 8 channels of ADAT SMUX over two ports. When using SMUX, channels 1–4
are available at the first port and channels 5–8 are available at the second port, as indicated
on the rear panel labels.
10 Arturia - User Manual AudioFuse X8 OUT - Synchronization