ml:1 user guide
10
Common Caveats
Although we kept the use of the ml:1 as simple and intuitive as possible, there are a few
things we consider to be important enough to be mentioned in this manual.
Clock signal
In a digital transmission system, both sender and receiver have to agree on a common
clock. The digital AES output of the ml:1 is synced by its internal PLL that derives its clock
from the USB signal. So synchronizing the ml:1 digital AES output to a system with a digital
AES input requires one of the following configurations:
1. The system with the digital AES input is equipped with an ASRC (asynchronous sample
rate converter) option.
In this case, the ASRC takes care of any synchronization mismatch between sender and
receiver. This is the most common and preferred mode of operation. Disconnecting the
ml:1 will not induce any synchronization issues and allows for different sample rate
settings between the individual components.
2. The system with the digital AES input locks on to the inherent clock signal of the ml:1
AES output and the ml:1 becomes the global clock master.
This means the system with the digital AES input has to be configured as clock slave and
both sample rates have to match perfectly. While this offers bit perfect transmission,
synchronization issues may be induced if the ml:1 is not permanently installed.
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