Alesis 7-51-0214-b User Manual
5
Using the Control Panel
34
synchronize their clocks using dedicated cables; then choose
one of the as the clock master.
Note that ADAT2 on the IO|26 cannot be the clock master.
If you are only using one ADAT input on the IO|26, use the
first input. If you are using both ADAT1 and ADAT2 with
two different hardware devices, be sure to clock one device to
the other.
3. FIREWIRE. Use this setting if you have another Firewire
audio devices connected to the IO14/26 and you want that
device’s clock to drive the IO14/26’s clock. No additional
cables are necessary—the IO14/26 will read the clock signal
coming from the other device over the Firewire cable.
Your IO|14/26 includes a state-of-the-art clock recovery circuit
that generally eliminates clocking-induced glitch artifacts even
when clock sources are incorrectly assigned. Nevertheless, do take
care to assign the clock source correctly. Otherwise, sample
accuracy is likely to suffer.
9. Set the sample rate
Set the sample rate here. Note that this setting must be made even
if you are using an external device (ADAT, S/PDIF or Firewire) as
your clock master.
Some audio programs require that you change the sample rate
under their Project Setup or similar menus as well. For instance, in
Cubase, be sure that the sample rate selected here matches that
under the “Project” | “Project Setup…” menu.
When you use two or three
digital input sources, lock the
devices together. Most
commonly, you will use the
devices’ BNC Word Clock
connectors for this purpose.
Start with one device and
cable its Word Clock Output
to the Word Clock Input of
the second device. If you
have a third device, connect
the second device’s Word
Clock Output to the third
device’s Word Clock Input.
For each device, if there is a
“master/slave” setting, be
sure to set it appropriately.
(Only the first device in the
chain should be the
“master.”)
There are other ways to lock
your clocks together, such as
using a dedicated clock
distribution hardware device.
However, the method
outlined here is perfectly fine,
as well as being the most
simple and economical.
digital input sources, lock the
devices together. Most
commonly, you will use the
devices’ BNC Word Clock
connectors for this purpose.
Start with one device and
cable its Word Clock Output
to the Word Clock Input of
the second device. If you
have a third device, connect
the second device’s Word
Clock Output to the third
device’s Word Clock Input.
For each device, if there is a
“master/slave” setting, be
sure to set it appropriately.
(Only the first device in the
chain should be the
“master.”)
There are other ways to lock
your clocks together, such as
using a dedicated clock
distribution hardware device.
However, the method
outlined here is perfectly fine,
as well as being the most
simple and economical.