Yamaha MY4-AEC Owner's Manual page 8

The Connectors and Their Functions
AES/EBU IN and OUT Connectors
These connectors support four channels of AES/EBU format digital audio input and output to
and from the host DME64N/24N unit, but those signals are not directly routed via the MY4-AEC
processing section. Signals from the host's analog or digital inputs must be routed to the MY4-
AEC card's AEC processing section via the host's processing section in order to apply echo
cancellation, as shown in the illustration below. Operational details are provided in the DME
Designer owner's manual. Built-in sample rate conversion is provided for all inputs and outputs
(sample rate conversion settings are also made via the DME Designer software).
Use the supplied Euroblock plugs for connection (refer to "Euroblock Connection" on
page 10).
NOTE
The channel 3 and channel 4 inputs and outputs ([IN3/4] and [OUT3/4] in the above illustration)
cannot be used when the DME64N/24N word clock sampling rate is set to 88.2 kHz or 96 kHz.
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MY4-AEC Owner's Manual