OmniTek OTR 1001, User Manual

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OmniTek OTR 1001 User Guide, v3.1a K-26
K.8 AES/EBU Audio
Analysis of AES/EBU standard audio is in many respects identical to the analysis of embedded
audio. Where it differs is in the requirement for an AES card to be fitted to the OTR 1001 (to
handle the audio input) and some configuration settings that are needed to work with this board.
Note: To avoid digital errors, the whole of the AES card needs to be driven from the same clock
source. To ensure that this happens, the OTR 1001 requires the card to be configured to work
with a specific analyser. Where the OTR 1001 incorporates two analysers, the AES card can be
used with either analyser but the analyser being used must be recorded as part of the system
configuration (see ‘Configuration’ below).
Adding the AES card
The AES card needed to analyse AES/EBU audio is provided as part of the AUDIO_AES option
that is available for the OTR 1001. Where ordered with the OTR 1001, the OTR will be supplied
with the AES card already fitted. When ordered subsequently, you may need to return the OTR
either to OmniTek or to your dealer to have the card fitted. Your OmniTek dealer can advise you
on this.
Any additional steps you need to take will be advised when you purchase the AUDIO_AES
option.
Cabling
The AES card offers two ports referred to as I/O Ports A and B, and is provided together with a
break-out cable suitable for connecting one of the ports to equipment with XLR connectors.
(Additional cables can be ordered separately if required.)
The cabling that is supported is shown in the following diagram.
Figure K-18: AES Card cabling