Synchronizing Multiple Devices - Echo Layla24 Owner's Manual

WDM console – all products

Synchronizing Multiple Devices

Layla24, Gina24, Mia, and MiaMIDI are designed to work alongside other audio
equipment. If you are planning on using your card with other audio equipment,
please note the following:
The Windows drivers included in this package support multiple Echo cards within
the same system. In addition, your new Echo hardware will operate alongside other
Echo products. Echo hardware can also 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) in your system 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 or
that will be affected by clock drift.
Let's take a brief look at the various synchronization types.
Word Clock – This is a synchronization signal that connects to the BNC
connector labeled Word Clock on Layla24's back panel. This synchronization
clock runs at the 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. Layla24 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, Layla24 can only sync to Word
Clock if the master device is set to a sample rate between 30kHz and 100kHz.
Otherwise you will get noise and/or loss of sync.
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WDM console – all products