Telos Zephyr Xstream User Manual page 207

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IMPORTANT TIP!
When the AES SAMPLE setting is set to Sync or Input there will be no AES output signal
unless there is a valid signal at the Sync-IN or AES In jack, respectively.
48kHz, 44.1, & 32 kHz
These options sample rate convert the codec receive audio (set in the Audio
menu) to the selected rate. An internal locally generated clock reference in the
Xstream is used. This option should only be used if the device connected to the
Zephyr Xstream's AES/EBU OUT jack performs sample rate conversion, or
dropouts due to buffer overflow or underflow will occur.
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DEEP TECH NOTE!
The Sample Rate conversion and AES Sync capabilities allow you to prevent problems with
"clock slip" due to different clock rates within a digital facility. Typically a "house clock"
reference would be fed to the SYNC-IN jack of the Zephyr Xstream, as well as to other
equipment, to prevent drop outs due to buffer "overflow" or "underflow" conditions.
It is important to understand that the while the Zephyr Xstream provides frequency
synchronization, it does not provide byte alignment. Your digital mixing equipment should
provide this capability, if required.
SEND MIX
This determines how the two inputs are treated when a mono send mode is used.
Discrete:
When Discrete is selected the A audio input will be used and the B audio input
will be ignored. This is the default setting.
Mono A+B
This option sums the two audio inputs with the resulting mono signal being sent
both inputs of the encoder system.
USER'S MANUAL
Section 11: THE WORKS – Detailed Menu Reference 195