When moving AES signals between the Black Magic de-embedder and the S-Core, what impedance change is specified?

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Prepare for Cycle 10 Broadcast Exam with flashcards and multiple choice questions. Each query comes with hints and explanations. Get exam-ready now!

Multiple Choice

When moving AES signals between the Black Magic de-embedder and the S-Core, what impedance change is specified?

Explanation:
The key idea is proper impedance matching when moving an AES signal between interfaces that use different physical connectors. AES/EBU digital audio runs as 110-ohm, balanced data, typically on XLR. In many video setups, the signal path uses 75-ohm coax with BNC connectors. So the required change is from 75-ohm BNC to 110-ohm XLR. This transition preserves signal integrity by preventing reflections and ensuring the AES signal is presented to the next device in its standard 110-ohm, balanced form. The other impedance pairings don’t align with how AES is defined or with the typical BNC/SDI vs. XLR AES pathways.

The key idea is proper impedance matching when moving an AES signal between interfaces that use different physical connectors. AES/EBU digital audio runs as 110-ohm, balanced data, typically on XLR. In many video setups, the signal path uses 75-ohm coax with BNC connectors. So the required change is from 75-ohm BNC to 110-ohm XLR. This transition preserves signal integrity by preventing reflections and ensuring the AES signal is presented to the next device in its standard 110-ohm, balanced form. The other impedance pairings don’t align with how AES is defined or with the typical BNC/SDI vs. XLR AES pathways.

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