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Synchronizing Multiple Devices
AudioFire8 and AudioFire12 are designed to work alongside other audio
equipment. If you are planning on using AudioFire8 or AudioFire12 with other
audio equipment, please note the following:
Echo hardware can peacefully coexist with audio equipment from other
manufacturers, but be aware that operating
alongside
another product is not the
same as operating
with
it. In order for accurate synchronization to occur, the other
audio product(s) must support a synchronization mode that is compatible with your
particular Echo hardware. Without such synchronization, the individual pieces of
equipment will act independently of each other. This scenario may be fine for some
musical applications; however, it is not appropriate for situations where sample-
accurate synchronization is required.
Let’s take a brief look at the various synchronization types.
Word Clock
–
The
Word Clock
connectors can be found on the back panel.
When your AudioFire product is set to “Internal” this synchronization clock runs at
the AudioFire product’s selected sample rate. Think of it as a kind of electronic
metronome, which clicks back and forth at the digital sample rate. It is one of the
most widely used forms of synchronization in digital audio. Your AudioFire
product is always generating Word Clock on its Word Clock output BNC
connector. Although it can generate Word Clock at any sample rate it is set to, your
AudioFire product can only sync to Word Clock if the master device is set to a
sample rate between 30kHz and 100kHz (200kHz for AudioFire12). Otherwise you
will get noise and/or loss of sync.
Note:
When synchronizing your AudioFire product to an external device via
S/PDIF or Word Clock, if the sample rate is changed on the external device
then you may have to reset the input clock setting on your AudioFire
product. To do this, merely click on the input clock button again (S/PDIF or
Word).
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