Matrix: New Install - Network Requirements for AES67 Audio

Clear-Com uses AES67 audio extensively within our products and for two major reasons:

  1. It is considered to be broadcast-quality audio.

  2. The latency is incredibly low.

In order to support high quality audio with low latency, a timing clock called PTP is used to keep everything properly synced. There is normally 1x PTP GM reference clock in the system

PTP, or Precision Timed Protocol, is a network standard that is used extensively within the audio/visual world and requires your attention before deploying.

Here are some items to keep in mind:

  1. Recommend 1Gb or more of bandwidth for each switch port.

  2. Switch capacity that is 2x the number of ports. For example, if you have a 10-port switch, it should have switching capacity of 20 Gb/s.

  3. EEE (Energy Efficient Ethernet) or Green Ethernet disabled.

  4. IGMP snooping properly configured.

  5. QoS (Quality of Service) properly configured.

  6. AES67 devices cannot be more than 3 eth-switch hops from the PTP GM reference clock

Ideally place all of your Clear-Com AES67 devices on a dedicated set of Ethernet switches

Depending on the number of AES67 devices on the network and or network topology you may need to use Ethernet switches which can be configured in Boundary clock or Transparent clock mode

 

Please consider checking out the following links to ensure you are prepared for AES67 on your network and to see which network switches are known to work (and not work) with AES67 and PTP.

 

AES67 Guide


Eclipse Training Material

Most Recent Network Solutions

Search Eclipse & Networking Solutions

 

If you have any questions or want to discuss your AES67 install / project please contact support@clearcom.com

 

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