Which allow access to sampling frequencies of up to 8, 12, 16 or 24 kHz respectively the larger numbers are only available in the higher modes. SILK is used by an application in one of four modes: ![]() It can also reduce its bandwidth requirements to try and alleviate any congestion it comes across, although this does have a degree of an impact on the audio quality. It can include redundant data if the network suffers from packet loss, to try and ensure data gets through. SILK is an advanced codec, capable of adapting to the environmental conditions its working within. It’s released under an open license and was used as the basis for the more recent OPUS codec (which is awesome). SILK is the audio codec used by Skype since about 2009. I thought I should share the results of my research. For the latest client updates, we just have to either guess or assume how this behaves. For reference, TechNet and the Networking guide have some excellent information, but there’s no reference to the Skype audio codec, SILK, in there. ![]() ![]() When undergoing a network assessment for a Lync or Skype for Business, it’s important to understand the behavior and attributes of the underlying RTP traffic for each profile.
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