Echo Audio MiaMIDI Owner's Manual download pdf (Page 69)

VxD console- Mia and MiaMIDI

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 or that will be affected by clock drift.

Mia/MiaMIDI can slave to or generate synchronization signals with its digital

(S/PDIF) interface. The S/PDIF (Sony/Phillips Digital Interchange Format) is a

serial bit stream that has a clock signal embedded in the data stream. When

recording from an S/PDIF source Mia/MiaMIDI will utilize the synchronization

clock that is embedded in the S/PDIF while it decodes the bit stream.

Note: When recording from a S/PDIF port, you must select Digital as the

input clock. For greater flexibility, this is not done automatically. If you

find that your S/PDIF recordings contain pops or skips, be sure that you

have selected Digital as your input clock.

Now let’s take a look at some possible configurations and how you might set them

up from a synchronization standpoint.

Let’s start simple. Suppose that Mia is the only audio device used in your system.

Since you have no other devices to synchronize with, simply select “Internal” for

Mia’s input clock. Mia will then use its own clock to control its operation.

Now a little more complicated set-up: You have two Mias connected. Simply set

Mia #1 to “Internal” for its input clock. Now connect the first Mia to the second

one via an S/PDIF cable running from DOUT on Mia #1 to DIN on Mia #2. Now

select Digital for Mia #2’s clock source. Your Mias will now operate in unison.

No matter how many devices you are synchronizing, the concept is essentially the

same. You are merely “daisy-chaining” devices together using compatible clocks.

One device will operate as the source of the master clock, with each successive

device using that clock to sync.

VxD console – Mia and MiaMIDI

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Echo Audio MiaMIDI Owner's Manual Page 69